module changed

+import {voicoding} from './voicoding.js'
+
+const start = voicoding()
\ No newline at end of file

+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  "$basedir/node"  "$basedir/../mkdirp/bin/cmd.js" "$@"
+  ret=$?
+else 
+  node  "$basedir/../mkdirp/bin/cmd.js" "$@"
+  ret=$?
+fi
+exit $ret

+@ECHO off
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+"%_prog%"  "%dp0%\..\mkdirp\bin\cmd.js" %*
+ENDLOCAL
+EXIT /b %errorlevel%
+:find_dp0
+SET dp0=%~dp0
+EXIT /b

+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  & "$basedir/node$exe"  "$basedir/../mkdirp/bin/cmd.js" $args
+  $ret=$LASTEXITCODE
+} else {
+  & "node$exe"  "$basedir/../mkdirp/bin/cmd.js" $args
+  $ret=$LASTEXITCODE
+}
+exit $ret

@@ -8,7 +8,7 @@ This package contains type definitions for Node.js (http://nodejs.org/).
 Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/node.
 Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/node.
 
 
 ### Additional Details
 ### Additional Details
- * Last updated: Fri, 21 May 2021 10:32:02 GMT
+ * Last updated: Wed, 02 Jun 2021 07:31:33 GMT
  * Dependencies: none
  * Dependencies: none
  * Global values: `AbortController`, `AbortSignal`, `Buffer`, `__dirname`, `__filename`, `clearImmediate`, `clearInterval`, `clearTimeout`, `console`, `exports`, `global`, `module`, `process`, `queueMicrotask`, `require`, `setImmediate`, `setInterval`, `setTimeout`
  * Global values: `AbortController`, `AbortSignal`, `Buffer`, `__dirname`, `__filename`, `clearImmediate`, `clearInterval`, `clearTimeout`, `console`, `exports`, `global`, `module`, `process`, `queueMicrotask`, `require`, `setImmediate`, `setInterval`, `setTimeout`
 
 

@@ -167,7 +167,7 @@ declare module 'http' {
         finished: boolean;
         finished: boolean;
         headersSent: boolean;
         headersSent: boolean;
         /**
         /**
-         * @deprecate Use `socket` instead.
+         * @deprecated Use `socket` instead.
          */
          */
         connection: Socket | null;
         connection: Socket | null;
         socket: Socket | null;
         socket: Socket | null;

 {
 {
   "_from": "@types/node@*",
   "_from": "@types/node@*",
-  "_id": "@types/node@15.6.0",
+  "_id": "@types/node@15.6.2",
   "_inBundle": false,
   "_inBundle": false,
-  "_integrity": "sha512-gCYSfQpy+LYhOFTKAeE8BkyGqaxmlFxe+n4DKM6DR0wzw/HISUE/hAmkC/KT8Sw5PCJblqg062b3z9gucv3k0A==",
+  "_integrity": "sha512-dxcOx8801kMo3KlU+C+/ctWrzREAH7YvoF3aoVpRdqgs+Kf7flp+PJDN/EX5bME3suDUZHsxes9hpvBmzYlWbA==",
   "_location": "/@types/node",
   "_location": "/@types/node",
   "_phantomChildren": {},
   "_phantomChildren": {},
   "_requested": {
   "_requested": {
@@ -22,8 +22,8 @@
     "/@types/pumpify",
     "/@types/pumpify",
     "/protobufjs"
     "/protobufjs"
   ],
   ],
-  "_resolved": "https://registry.npmjs.org/@types/node/-/node-15.6.0.tgz",
-  "_shasum": "f0ddca5a61e52627c9dcb771a6039d44694597bc",
+  "_resolved": "https://registry.npmjs.org/@types/node/-/node-15.6.2.tgz",
+  "_shasum": "c61d49f38af70da32424b5322eee21f97e627175",
   "_spec": "@types/node@*",
   "_spec": "@types/node@*",
   "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\@types\\pumpify",
   "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\@types\\pumpify",
   "bugs": {
   "bugs": {
@@ -199,7 +199,7 @@
   "dependencies": {},
   "dependencies": {},
   "deprecated": false,
   "deprecated": false,
   "description": "TypeScript definitions for Node.js",
   "description": "TypeScript definitions for Node.js",
-  "homepage": "https://github.com/DefinitelyTyped/DefinitelyTyped#readme",
+  "homepage": "https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/node",
   "license": "MIT",
   "license": "MIT",
   "main": "",
   "main": "",
   "name": "@types/node",
   "name": "@types/node",
@@ -209,9 +209,9 @@
     "directory": "types/node"
     "directory": "types/node"
   },
   },
   "scripts": {},
   "scripts": {},
-  "typeScriptVersion": "3.5",
+  "typeScriptVersion": "3.6",
   "types": "index.d.ts",
   "types": "index.d.ts",
-  "typesPublisherContentHash": "fe5d90fe4c06a65d482f400f205828b1280c7062026d5afdccc3b2bbccf4adcd",
+  "typesPublisherContentHash": "f62422deccbd466260cb63740d207022259eb7fc7b6e7c406be463b9d1b0cd19",
   "typesVersions": {
   "typesVersions": {
     "<=3.6": {
     "<=3.6": {
       "*": [
       "*": [
@@ -219,5 +219,5 @@
       ]
       ]
     }
     }
   },
   },
-  "version": "15.6.0"
+  "version": "15.6.2"
 }
 }

@@ -88,7 +88,10 @@ declare module 'perf_hooks' {
      * @param util1 The result of a previous call to eventLoopUtilization()
      * @param util1 The result of a previous call to eventLoopUtilization()
      * @param util2 The result of a previous call to eventLoopUtilization() prior to util1
      * @param util2 The result of a previous call to eventLoopUtilization() prior to util1
      */
      */
-    type EventLoopUtilityFunction = (util1?: EventLoopUtilization, util2?: EventLoopUtilization) => EventLoopUtilization;
+    type EventLoopUtilityFunction = (
+        util1?: EventLoopUtilization,
+        util2?: EventLoopUtilization,
+    ) => EventLoopUtilization;
 
 
     interface Performance {
     interface Performance {
         /**
         /**
@@ -122,7 +125,7 @@ declare module 'perf_hooks' {
          * @param startMark
          * @param startMark
          * @param endMark
          * @param endMark
          */
          */
-        measure(name: string, startMark: string, endMark: string): void;
+        measure(name: string, startMark?: string, endMark?: string): void;
 
 
         /**
         /**
          * An instance of the PerformanceNodeTiming class that provides performance metrics for specific Node.js operational milestones.
          * An instance of the PerformanceNodeTiming class that provides performance metrics for specific Node.js operational milestones.

+node_modules/

+The MIT License (MIT)
+
+Copyright (c) 2015 Linus Unnebäck
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

+# `append-field`
+
+A [W3C HTML JSON forms spec](http://www.w3.org/TR/html-json-forms/) compliant
+field appender (for lack of a better name). Useful for people implementing
+`application/x-www-form-urlencoded` and `multipart/form-data` parsers.
+
+It works best on objects created with `Object.create(null)`. Otherwise it might
+conflict with variables from the prototype (e.g. `hasOwnProperty`).
+
+## Installation
+
+```sh
+npm install --save append-field
+```
+
+## Usage
+
+```javascript
+var appendField = require('append-field')
+var obj = Object.create(null)
+
+appendField(obj, 'pets[0][species]', 'Dahut')
+appendField(obj, 'pets[0][name]', 'Hypatia')
+appendField(obj, 'pets[1][species]', 'Felis Stultus')
+appendField(obj, 'pets[1][name]', 'Billie')
+
+console.log(obj)
+```
+
+```text
+{ pets:
+   [ { species: 'Dahut', name: 'Hypatia' },
+     { species: 'Felis Stultus', name: 'Billie' } ] }
+```
+
+## API
+
+### `appendField(store, key, value)`
+
+Adds the field named `key` with the value `value` to the object `store`.
+
+## License
+
+MIT

+var parsePath = require('./lib/parse-path')
+var setValue = require('./lib/set-value')
+
+function appendField (store, key, value) {
+  var steps = parsePath(key)
+
+  steps.reduce(function (context, step) {
+    return setValue(context, step, context[step.key], value)
+  }, store)
+}
+
+module.exports = appendField

+var reFirstKey = /^[^\[]*/
+var reDigitPath = /^\[(\d+)\]/
+var reNormalPath = /^\[([^\]]+)\]/
+
+function parsePath (key) {
+  function failure () {
+    return [{ type: 'object', key: key, last: true }]
+  }
+
+  var firstKey = reFirstKey.exec(key)[0]
+  if (!firstKey) return failure()
+
+  var len = key.length
+  var pos = firstKey.length
+  var tail = { type: 'object', key: firstKey }
+  var steps = [tail]
+
+  while (pos < len) {
+    var m
+
+    if (key[pos] === '[' && key[pos + 1] === ']') {
+      pos += 2
+      tail.append = true
+      if (pos !== len) return failure()
+      continue
+    }
+
+    m = reDigitPath.exec(key.substring(pos))
+    if (m !== null) {
+      pos += m[0].length
+      tail.nextType = 'array'
+      tail = { type: 'array', key: parseInt(m[1], 10) }
+      steps.push(tail)
+      continue
+    }
+
+    m = reNormalPath.exec(key.substring(pos))
+    if (m !== null) {
+      pos += m[0].length
+      tail.nextType = 'object'
+      tail = { type: 'object', key: m[1] }
+      steps.push(tail)
+      continue
+    }
+
+    return failure()
+  }
+
+  tail.last = true
+  return steps
+}
+
+module.exports = parsePath

+function valueType (value) {
+  if (value === undefined) return 'undefined'
+  if (Array.isArray(value)) return 'array'
+  if (typeof value === 'object') return 'object'
+  return 'scalar'
+}
+
+function setLastValue (context, step, currentValue, entryValue) {
+  switch (valueType(currentValue)) {
+    case 'undefined':
+      if (step.append) {
+        context[step.key] = [entryValue]
+      } else {
+        context[step.key] = entryValue
+      }
+      break
+    case 'array':
+      context[step.key].push(entryValue)
+      break
+    case 'object':
+      return setLastValue(currentValue, { type: 'object', key: '', last: true }, currentValue[''], entryValue)
+    case 'scalar':
+      context[step.key] = [context[step.key], entryValue]
+      break
+  }
+
+  return context
+}
+
+function setValue (context, step, currentValue, entryValue) {
+  if (step.last) return setLastValue(context, step, currentValue, entryValue)
+
+  var obj
+  switch (valueType(currentValue)) {
+    case 'undefined':
+      if (step.nextType === 'array') {
+        context[step.key] = []
+      } else {
+        context[step.key] = Object.create(null)
+      }
+      return context[step.key]
+    case 'object':
+      return context[step.key]
+    case 'array':
+      if (step.nextType === 'array') {
+        return currentValue
+      }
+
+      obj = Object.create(null)
+      context[step.key] = obj
+      currentValue.forEach(function (item, i) {
+        if (item !== undefined) obj['' + i] = item
+      })
+
+      return obj
+    case 'scalar':
+      obj = Object.create(null)
+      obj[''] = currentValue
+      context[step.key] = obj
+      return obj
+  }
+}
+
+module.exports = setValue

+{
+  "_from": "append-field@^1.0.0",
+  "_id": "append-field@1.0.0",
+  "_inBundle": false,
+  "_integrity": "sha1-HjRA6RXwsSA9I3SOeO3XubW0PlY=",
+  "_location": "/append-field",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "append-field@^1.0.0",
+    "name": "append-field",
+    "escapedName": "append-field",
+    "rawSpec": "^1.0.0",
+    "saveSpec": null,
+    "fetchSpec": "^1.0.0"
+  },
+  "_requiredBy": [
+    "/multer"
+  ],
+  "_resolved": "https://registry.npmjs.org/append-field/-/append-field-1.0.0.tgz",
+  "_shasum": "1e3440e915f0b1203d23748e78edd7b9b5b43e56",
+  "_spec": "append-field@^1.0.0",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\multer",
+  "author": {
+    "name": "Linus Unnebäck",
+    "email": "linus@folkdatorn.se"
+  },
+  "bugs": {
+    "url": "https://github.com/LinusU/node-append-field/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "A [W3C HTML JSON forms spec](http://www.w3.org/TR/html-json-forms/) compliant field appender (for lack of a better name). Useful for people implementing `application/x-www-form-urlencoded` and `multipart/form-data` parsers.",
+  "devDependencies": {
+    "mocha": "^2.2.4",
+    "standard": "^6.0.5",
+    "testdata-w3c-json-form": "^0.2.0"
+  },
+  "homepage": "https://github.com/LinusU/node-append-field#readme",
+  "license": "MIT",
+  "main": "index.js",
+  "name": "append-field",
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/LinusU/node-append-field.git"
+  },
+  "scripts": {
+    "test": "standard && mocha"
+  },
+  "version": "1.0.0"
+}

+/* eslint-env mocha */
+
+var assert = require('assert')
+var appendField = require('../')
+var testData = require('testdata-w3c-json-form')
+
+describe('Append Field', function () {
+  for (var test of testData) {
+    it('handles ' + test.name, function () {
+      var store = Object.create(null)
+
+      for (var field of test.fields) {
+        appendField(store, field.key, field.value)
+      }
+
+      assert.deepEqual(store, test.expected)
+    })
+  }
+})

+MIT License
+
+Copyright (c) 2016, 2018 Linus Unnebäck
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

+var toString = Object.prototype.toString
+
+var isModern = (
+  typeof Buffer.alloc === 'function' &&
+  typeof Buffer.allocUnsafe === 'function' &&
+  typeof Buffer.from === 'function'
+)
+
+function isArrayBuffer (input) {
+  return toString.call(input).slice(8, -1) === 'ArrayBuffer'
+}
+
+function fromArrayBuffer (obj, byteOffset, length) {
+  byteOffset >>>= 0
+
+  var maxLength = obj.byteLength - byteOffset
+
+  if (maxLength < 0) {
+    throw new RangeError("'offset' is out of bounds")
+  }
+
+  if (length === undefined) {
+    length = maxLength
+  } else {
+    length >>>= 0
+
+    if (length > maxLength) {
+      throw new RangeError("'length' is out of bounds")
+    }
+  }
+
+  return isModern
+    ? Buffer.from(obj.slice(byteOffset, byteOffset + length))
+    : new Buffer(new Uint8Array(obj.slice(byteOffset, byteOffset + length)))
+}
+
+function fromString (string, encoding) {
+  if (typeof encoding !== 'string' || encoding === '') {
+    encoding = 'utf8'
+  }
+
+  if (!Buffer.isEncoding(encoding)) {
+    throw new TypeError('"encoding" must be a valid string encoding')
+  }
+
+  return isModern
+    ? Buffer.from(string, encoding)
+    : new Buffer(string, encoding)
+}
+
+function bufferFrom (value, encodingOrOffset, length) {
+  if (typeof value === 'number') {
+    throw new TypeError('"value" argument must not be a number')
+  }
+
+  if (isArrayBuffer(value)) {
+    return fromArrayBuffer(value, encodingOrOffset, length)
+  }
+
+  if (typeof value === 'string') {
+    return fromString(value, encodingOrOffset)
+  }
+
+  return isModern
+    ? Buffer.from(value)
+    : new Buffer(value)
+}
+
+module.exports = bufferFrom

+{
+  "_from": "buffer-from@^1.0.0",
+  "_id": "buffer-from@1.1.1",
+  "_inBundle": false,
+  "_integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==",
+  "_location": "/buffer-from",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "buffer-from@^1.0.0",
+    "name": "buffer-from",
+    "escapedName": "buffer-from",
+    "rawSpec": "^1.0.0",
+    "saveSpec": null,
+    "fetchSpec": "^1.0.0"
+  },
+  "_requiredBy": [
+    "/concat-stream"
+  ],
+  "_resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
+  "_shasum": "32713bc028f75c02fdb710d7c7bcec1f2c6070ef",
+  "_spec": "buffer-from@^1.0.0",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\concat-stream",
+  "bugs": {
+    "url": "https://github.com/LinusU/buffer-from/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "A [ponyfill](https://ponyfill.com) for `Buffer.from`, uses native implementation if available.",
+  "devDependencies": {
+    "standard": "^7.1.2"
+  },
+  "files": [
+    "index.js"
+  ],
+  "homepage": "https://github.com/LinusU/buffer-from#readme",
+  "keywords": [
+    "buffer",
+    "buffer from"
+  ],
+  "license": "MIT",
+  "name": "buffer-from",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/LinusU/buffer-from.git"
+  },
+  "scripts": {
+    "test": "standard && node test"
+  },
+  "version": "1.1.1"
+}

+# Buffer From
+
+A [ponyfill](https://ponyfill.com) for `Buffer.from`, uses native implementation if available.
+
+## Installation
+
+```sh
+npm install --save buffer-from
+```
+
+## Usage
+
+```js
+const bufferFrom = require('buffer-from')
+
+console.log(bufferFrom([1, 2, 3, 4]))
+//=> <Buffer 01 02 03 04>
+
+const arr = new Uint8Array([1, 2, 3, 4])
+console.log(bufferFrom(arr.buffer, 1, 2))
+//=> <Buffer 02 03>
+
+console.log(bufferFrom('test', 'utf8'))
+//=> <Buffer 74 65 73 74>
+
+const buf = bufferFrom('test')
+console.log(bufferFrom(buf))
+//=> <Buffer 74 65 73 74>
+```
+
+## API
+
+### bufferFrom(array)
+
+- `array` &lt;Array&gt;
+
+Allocates a new `Buffer` using an `array` of octets.
+
+### bufferFrom(arrayBuffer[, byteOffset[, length]])
+
+- `arrayBuffer` &lt;ArrayBuffer&gt; The `.buffer` property of a TypedArray or ArrayBuffer
+- `byteOffset` &lt;Integer&gt; Where to start copying from `arrayBuffer`. **Default:** `0`
+- `length` &lt;Integer&gt; How many bytes to copy from `arrayBuffer`. **Default:** `arrayBuffer.length - byteOffset`
+
+When passed a reference to the `.buffer` property of a TypedArray instance, the
+newly created `Buffer` will share the same allocated memory as the TypedArray.
+
+The optional `byteOffset` and `length` arguments specify a memory range within
+the `arrayBuffer` that will be shared by the `Buffer`.
+
+### bufferFrom(buffer)
+
+- `buffer` &lt;Buffer&gt; An existing `Buffer` to copy data from
+
+Copies the passed `buffer` data onto a new `Buffer` instance.
+
+### bufferFrom(string[, encoding])
+
+- `string` &lt;String&gt; A string to encode.
+- `encoding` &lt;String&gt; The encoding of `string`. **Default:** `'utf8'`
+
+Creates a new `Buffer` containing the given JavaScript string `string`. If
+provided, the `encoding` parameter identifies the character encoding of
+`string`.
+
+## See also
+
+- [buffer-alloc](https://github.com/LinusU/buffer-alloc) A ponyfill for `Buffer.alloc`
+- [buffer-alloc-unsafe](https://github.com/LinusU/buffer-alloc-unsafe) A ponyfill for `Buffer.allocUnsafe`

+sudo: false
+language: cpp
+notifications:
+  email: false
+env:
+  matrix:
+  - TRAVIS_NODE_VERSION="0.10"
+  - TRAVIS_NODE_VERSION="0.12"
+  - TRAVIS_NODE_VERSION="4"
+  - TRAVIS_NODE_VERSION="6"
+  - TRAVIS_NODE_VERSION="7"
+install:
+  - rm -rf ~/.nvm && git clone https://github.com/creationix/nvm.git ~/.nvm && source ~/.nvm/nvm.sh && nvm install $TRAVIS_NODE_VERSION
+  - node --version
+  - npm --version
+  - npm install
+script: npm test

+Copyright Brian White. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
\ No newline at end of file

+Description
+===========
+
+A node.js module for parsing incoming HTML form data.
+
+If you've found this module to be useful and wish to support it, you may do so by visiting this pledgie campaign:
+<a href='https://pledgie.com/campaigns/28774'><img alt='Click here to support busboy' src='https://pledgie.com/campaigns/28774.png?skin_name=chrome' border='0'></a>
+
+
+Requirements
+============
+
+* [node.js](http://nodejs.org/) -- v0.8.0 or newer
+
+
+Install
+=======
+
+    npm install busboy
+
+
+Examples
+========
+
+* Parsing (multipart) with default options:
+
+```javascript
+var http = require('http'),
+    inspect = require('util').inspect;
+
+var Busboy = require('busboy');
+
+http.createServer(function(req, res) {
+  if (req.method === 'POST') {
+    var busboy = new Busboy({ headers: req.headers });
+    busboy.on('file', function(fieldname, file, filename, encoding, mimetype) {
+      console.log('File [' + fieldname + ']: filename: ' + filename + ', encoding: ' + encoding + ', mimetype: ' + mimetype);
+      file.on('data', function(data) {
+        console.log('File [' + fieldname + '] got ' + data.length + ' bytes');
+      });
+      file.on('end', function() {
+        console.log('File [' + fieldname + '] Finished');
+      });
+    });
+    busboy.on('field', function(fieldname, val, fieldnameTruncated, valTruncated, encoding, mimetype) {
+      console.log('Field [' + fieldname + ']: value: ' + inspect(val));
+    });
+    busboy.on('finish', function() {
+      console.log('Done parsing form!');
+      res.writeHead(303, { Connection: 'close', Location: '/' });
+      res.end();
+    });
+    req.pipe(busboy);
+  } else if (req.method === 'GET') {
+    res.writeHead(200, { Connection: 'close' });
+    res.end('<html><head></head><body>\
+               <form method="POST" enctype="multipart/form-data">\
+                <input type="text" name="textfield"><br />\
+                <input type="file" name="filefield"><br />\
+                <input type="submit">\
+              </form>\
+            </body></html>');
+  }
+}).listen(8000, function() {
+  console.log('Listening for requests');
+});
+
+// Example output, using http://nodejs.org/images/ryan-speaker.jpg as the file:
+//
+// Listening for requests
+// File [filefield]: filename: ryan-speaker.jpg, encoding: binary
+// File [filefield] got 11971 bytes
+// Field [textfield]: value: 'testing! :-)'
+// File [filefield] Finished
+// Done parsing form!
+```
+
+* Save all incoming files to disk:
+
+```javascript
+var http = require('http'),
+    path = require('path'),
+    os = require('os'),
+    fs = require('fs');
+
+var Busboy = require('busboy');
+
+http.createServer(function(req, res) {
+  if (req.method === 'POST') {
+    var busboy = new Busboy({ headers: req.headers });
+    busboy.on('file', function(fieldname, file, filename, encoding, mimetype) {
+      var saveTo = path.join(os.tmpDir(), path.basename(fieldname));
+      file.pipe(fs.createWriteStream(saveTo));
+    });
+    busboy.on('finish', function() {
+      res.writeHead(200, { 'Connection': 'close' });
+      res.end("That's all folks!");
+    });
+    return req.pipe(busboy);
+  }
+  res.writeHead(404);
+  res.end();
+}).listen(8000, function() {
+  console.log('Listening for requests');
+});
+```
+
+* Parsing (urlencoded) with default options:
+
+```javascript
+var http = require('http'),
+    inspect = require('util').inspect;
+
+var Busboy = require('busboy');
+
+http.createServer(function(req, res) {
+  if (req.method === 'POST') {
+    var busboy = new Busboy({ headers: req.headers });
+    busboy.on('file', function(fieldname, file, filename, encoding, mimetype) {
+      console.log('File [' + fieldname + ']: filename: ' + filename);
+      file.on('data', function(data) {
+        console.log('File [' + fieldname + '] got ' + data.length + ' bytes');
+      });
+      file.on('end', function() {
+        console.log('File [' + fieldname + '] Finished');
+      });
+    });
+    busboy.on('field', function(fieldname, val, fieldnameTruncated, valTruncated) {
+      console.log('Field [' + fieldname + ']: value: ' + inspect(val));
+    });
+    busboy.on('finish', function() {
+      console.log('Done parsing form!');
+      res.writeHead(303, { Connection: 'close', Location: '/' });
+      res.end();
+    });
+    req.pipe(busboy);
+  } else if (req.method === 'GET') {
+    res.writeHead(200, { Connection: 'close' });
+    res.end('<html><head></head><body>\
+               <form method="POST">\
+                <input type="text" name="textfield"><br />\
+                <select name="selectfield">\
+                  <option value="1">1</option>\
+                  <option value="10">10</option>\
+                  <option value="100">100</option>\
+                  <option value="9001">9001</option>\
+                </select><br />\
+                <input type="checkbox" name="checkfield">Node.js rules!<br />\
+                <input type="submit">\
+              </form>\
+            </body></html>');
+  }
+}).listen(8000, function() {
+  console.log('Listening for requests');
+});
+
+// Example output:
+//
+// Listening for requests
+// Field [textfield]: value: 'testing! :-)'
+// Field [selectfield]: value: '9001'
+// Field [checkfield]: value: 'on'
+// Done parsing form!
+```
+
+
+API
+===
+
+_Busboy_ is a _Writable_ stream
+
+Busboy (special) events
+-----------------------
+
+* **file**(< _string_ >fieldname, < _ReadableStream_ >stream, < _string_ >filename, < _string_ >transferEncoding, < _string_ >mimeType) - Emitted for each new file form field found. `transferEncoding` contains the 'Content-Transfer-Encoding' value for the file stream. `mimeType` contains the 'Content-Type' value for the file stream.
+    * Note: if you listen for this event, you should always handle the `stream` no matter if you care about the file contents or not (e.g. you can simply just do `stream.resume();` if you want to discard the contents), otherwise the 'finish' event will never fire on the Busboy instance. However, if you don't care about **any** incoming files, you can simply not listen for the 'file' event at all and any/all files will be automatically and safely discarded (these discarded files do still count towards `files` and `parts` limits).
+    * If a configured file size limit was reached, `stream` will both have a boolean property `truncated` (best checked at the end of the stream) and emit a 'limit' event to notify you when this happens.
+
+* **field**(< _string_ >fieldname, < _string_ >value, < _boolean_ >fieldnameTruncated, < _boolean_ >valueTruncated, < _string_ >transferEncoding, < _string_ >mimeType) - Emitted for each new non-file field found.
+
+* **partsLimit**() - Emitted when specified `parts` limit has been reached. No more 'file' or 'field' events will be emitted.
+
+* **filesLimit**() - Emitted when specified `files` limit has been reached. No more 'file' events will be emitted.
+
+* **fieldsLimit**() - Emitted when specified `fields` limit has been reached. No more 'field' events will be emitted.
+
+
+Busboy methods
+--------------
+
+* **(constructor)**(< _object_ >config) - Creates and returns a new Busboy instance.
+
+    * The constructor takes the following valid `config` settings:
+
+        * **headers** - _object_ - These are the HTTP headers of the incoming request, which are used by individual parsers.
+
+        * **highWaterMark** - _integer_ - highWaterMark to use for this Busboy instance (Default: WritableStream default).
+
+        * **fileHwm** - _integer_ - highWaterMark to use for file streams (Default: ReadableStream default).
+
+        * **defCharset** - _string_ - Default character set to use when one isn't defined (Default: 'utf8').
+
+        * **preservePath** - _boolean_ - If paths in the multipart 'filename' field shall be preserved. (Default: false).
+
+        * **limits** - _object_ - Various limits on incoming data. Valid properties are:
+
+            * **fieldNameSize** - _integer_ - Max field name size (in bytes) (Default: 100 bytes).
+
+            * **fieldSize** - _integer_ - Max field value size (in bytes) (Default: 1MB).
+
+            * **fields** - _integer_ - Max number of non-file fields (Default: Infinity).
+
+            * **fileSize** - _integer_ - For multipart forms, the max file size (in bytes) (Default: Infinity).
+
+            * **files** - _integer_ - For multipart forms, the max number of file fields (Default: Infinity).
+
+            * **parts** - _integer_ - For multipart forms, the max number of parts (fields + files) (Default: Infinity).
+
+            * **headerPairs** - _integer_ - For multipart forms, the max number of header key=>value pairs to parse **Default:** 2000 (same as node's http).
+
+    * The constructor can throw errors:
+
+        * **Unsupported content type: $type** - The `Content-Type` isn't one Busboy can parse.
+
+        * **Missing Content-Type** - The provided headers don't include `Content-Type` at all.

+/*
+   Modifications for better node.js integration:
+    Copyright 2014 Brian White. All rights reserved.
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to
+    deal in the Software without restriction, including without limitation the
+    rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+    sell copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+    IN THE SOFTWARE.
+*/
+/*
+   Original source code:
+    Copyright 2014 Joshua Bell
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+//
+// Utilities
+//
+
+/**
+ * @param {number} a The number to test.
+ * @param {number} min The minimum value in the range, inclusive.
+ * @param {number} max The maximum value in the range, inclusive.
+ * @return {boolean} True if a >= min and a <= max.
+ */
+function inRange(a, min, max) {
+  return min <= a && a <= max;
+}
+
+/**
+ * @param {number} n The numerator.
+ * @param {number} d The denominator.
+ * @return {number} The result of the integer division of n by d.
+ */
+function div(n, d) {
+  return Math.floor(n / d);
+}
+
+
+//
+// Implementation of Encoding specification
+// http://dvcs.w3.org/hg/encoding/raw-file/tip/Overview.html
+//
+
+//
+// 3. Terminology
+//
+
+//
+// 4. Encodings
+//
+
+/** @const */ var EOF_byte = -1;
+/** @const */ var EOF_code_point = -1;
+
+/**
+ * @constructor
+ * @param {Buffer} bytes Array of bytes that provide the stream.
+ */
+function ByteInputStream(bytes) {
+  /** @type {number} */
+  var pos = 0;
+
+  /**
+   * @this {ByteInputStream}
+   * @return {number} Get the next byte from the stream.
+   */
+  this.get = function() {
+    return (pos >= bytes.length) ? EOF_byte : Number(bytes[pos]);
+  };
+
+  /** @param {number} n Number (positive or negative) by which to
+   *      offset the byte pointer. */
+  this.offset = function(n) {
+    pos += n;
+    if (pos < 0) {
+      throw new Error('Seeking past start of the buffer');
+    }
+    if (pos > bytes.length) {
+      throw new Error('Seeking past EOF');
+    }
+  };
+
+  /**
+   * @param {Array.<number>} test Array of bytes to compare against.
+   * @return {boolean} True if the start of the stream matches the test
+   *     bytes.
+   */
+  this.match = function(test) {
+    if (test.length > pos + bytes.length) {
+      return false;
+    }
+    var i;
+    for (i = 0; i < test.length; i += 1) {
+      if (Number(bytes[pos + i]) !== test[i]) {
+        return false;
+      }
+    }
+    return true;
+  };
+}
+
+/**
+ * @constructor
+ * @param {Array.<number>} bytes The array to write bytes into.
+ */
+function ByteOutputStream(bytes) {
+  /** @type {number} */
+  var pos = 0;
+
+  /**
+   * @param {...number} var_args The byte or bytes to emit into the stream.
+   * @return {number} The last byte emitted.
+   */
+  this.emit = function(var_args) {
+    /** @type {number} */
+    var last = EOF_byte;
+    var i;
+    for (i = 0; i < arguments.length; ++i) {
+      last = Number(arguments[i]);
+      bytes[pos++] = last;
+    }
+    return last;
+  };
+}
+
+/**
+ * @constructor
+ * @param {string} string The source of code units for the stream.
+ */
+function CodePointInputStream(string) {
+  /**
+   * @param {string} string Input string of UTF-16 code units.
+   * @return {Array.<number>} Code points.
+   */
+  function stringToCodePoints(string) {
+    /** @type {Array.<number>} */
+    var cps = [];
+    // Based on http://www.w3.org/TR/WebIDL/#idl-DOMString
+    var i = 0, n = string.length;
+    while (i < string.length) {
+      var c = string.charCodeAt(i);
+      if (!inRange(c, 0xD800, 0xDFFF)) {
+        cps.push(c);
+      } else if (inRange(c, 0xDC00, 0xDFFF)) {
+        cps.push(0xFFFD);
+      } else { // (inRange(cu, 0xD800, 0xDBFF))
+        if (i === n - 1) {
+          cps.push(0xFFFD);
+        } else {
+          var d = string.charCodeAt(i + 1);
+          if (inRange(d, 0xDC00, 0xDFFF)) {
+            var a = c & 0x3FF;
+            var b = d & 0x3FF;
+            i += 1;
+            cps.push(0x10000 + (a << 10) + b);
+          } else {
+            cps.push(0xFFFD);
+          }
+        }
+      }
+      i += 1;
+    }
+    return cps;
+  }
+
+  /** @type {number} */
+  var pos = 0;
+  /** @type {Array.<number>} */
+  var cps = stringToCodePoints(string);
+
+  /** @param {number} n The number of bytes (positive or negative)
+   *      to advance the code point pointer by.*/
+  this.offset = function(n) {
+    pos += n;
+    if (pos < 0) {
+      throw new Error('Seeking past start of the buffer');
+    }
+    if (pos > cps.length) {
+      throw new Error('Seeking past EOF');
+    }
+  };
+
+
+  /** @return {number} Get the next code point from the stream. */
+  this.get = function() {
+    if (pos >= cps.length) {
+      return EOF_code_point;
+    }
+    return cps[pos];
+  };
+}
+
+/**
+ * @constructor
+ */
+function CodePointOutputStream() {
+  /** @type {string} */
+  var string = '';
+
+  /** @return {string} The accumulated string. */
+  this.string = function() {
+    return string;
+  };
+
+  /** @param {number} c The code point to encode into the stream. */
+  this.emit = function(c) {
+    if (c <= 0xFFFF) {
+      string += String.fromCharCode(c);
+    } else {
+      c -= 0x10000;
+      string += String.fromCharCode(0xD800 + ((c >> 10) & 0x3ff));
+      string += String.fromCharCode(0xDC00 + (c & 0x3ff));
+    }
+  };
+}
+
+/**
+ * @constructor
+ * @param {string} message Description of the error.
+ */
+function EncodingError(message) {
+  this.name = 'EncodingError';
+  this.message = message;
+  this.code = 0;
+}
+EncodingError.prototype = Error.prototype;
+
+/**
+ * @param {boolean} fatal If true, decoding errors raise an exception.
+ * @param {number=} opt_code_point Override the standard fallback code point.
+ * @return {number} The code point to insert on a decoding error.
+ */
+function decoderError(fatal, opt_code_point) {
+  if (fatal) {
+    throw new EncodingError('Decoder error');
+  }
+  return opt_code_point || 0xFFFD;
+}
+
+/**
+ * @param {number} code_point The code point that could not be encoded.
+ * @return {number} Always throws, no value is actually returned.
+ */
+function encoderError(code_point) {
+  throw new EncodingError('The code point ' + code_point +
+                          ' could not be encoded.');
+}
+
+/**
+ * @param {string} label The encoding label.
+ * @return {?{name:string,labels:Array.<string>}}
+ */
+function getEncoding(label) {
+  label = String(label).trim().toLowerCase();
+  if (Object.prototype.hasOwnProperty.call(label_to_encoding, label)) {
+    return label_to_encoding[label];
+  }
+  return null;
+}
+
+/** @type {Array.<{encodings: Array.<{name:string,labels:Array.<string>}>,
+ *      heading: string}>} */
+var encodings = [
+  {
+    "encodings": [
+      {
+        "labels": [
+          "unicode-1-1-utf-8",
+          "utf-8",
+          "utf8"
+        ],
+        "name": "utf-8"
+      }
+    ],
+    "heading": "The Encoding"
+  },
+  {
+    "encodings": [
+      {
+        "labels": [
+          "864",
+          "cp864",
+          "csibm864",
+          "ibm864"
+        ],
+        "name": "ibm864"
+      },
+      {
+        "labels": [
+          "866",
+          "cp866",
+          "csibm866",
+          "ibm866"
+        ],
+        "name": "ibm866"
+      },
+      {
+        "labels": [
+          "csisolatin2",
+          "iso-8859-2",
+          "iso-ir-101",
+          "iso8859-2",
+          "iso88592",
+          "iso_8859-2",
+          "iso_8859-2:1987",
+          "l2",
+          "latin2"
+        ],
+        "name": "iso-8859-2"
+      },
+      {
+        "labels": [
+          "csisolatin3",
+          "iso-8859-3",
+          "iso-ir-109",
+          "iso8859-3",
+          "iso88593",
+          "iso_8859-3",
+          "iso_8859-3:1988",
+          "l3",
+          "latin3"
+        ],
+        "name": "iso-8859-3"
+      },
+      {
+        "labels": [
+          "csisolatin4",
+          "iso-8859-4",
+          "iso-ir-110",
+          "iso8859-4",
+          "iso88594",
+          "iso_8859-4",
+          "iso_8859-4:1988",
+          "l4",
+          "latin4"
+        ],
+        "name": "iso-8859-4"
+      },
+      {
+        "labels": [
+          "csisolatincyrillic",
+          "cyrillic",
+          "iso-8859-5",
+          "iso-ir-144",
+          "iso8859-5",
+          "iso88595",
+          "iso_8859-5",
+          "iso_8859-5:1988"
+        ],
+        "name": "iso-8859-5"
+      },
+      {
+        "labels": [
+          "arabic",
+          "asmo-708",
+          "csiso88596e",
+          "csiso88596i",
+          "csisolatinarabic",
+          "ecma-114",
+          "iso-8859-6",
+          "iso-8859-6-e",
+          "iso-8859-6-i",
+          "iso-ir-127",
+          "iso8859-6",
+          "iso88596",
+          "iso_8859-6",
+          "iso_8859-6:1987"
+        ],
+        "name": "iso-8859-6"
+      },
+      {
+        "labels": [
+          "csisolatingreek",
+          "ecma-118",
+          "elot_928",
+          "greek",
+          "greek8",
+          "iso-8859-7",
+          "iso-ir-126",
+          "iso8859-7",
+          "iso88597",
+          "iso_8859-7",
+          "iso_8859-7:1987",
+          "sun_eu_greek"
+        ],
+        "name": "iso-8859-7"
+      },
+      {
+        "labels": [
+          "csiso88598e",
+          "csisolatinhebrew",
+          "hebrew",
+          "iso-8859-8",
+          "iso-8859-8-e",
+          "iso-ir-138",
+          "iso8859-8",
+          "iso88598",
+          "iso_8859-8",
+          "iso_8859-8:1988",
+          "visual"
+        ],
+        "name": "iso-8859-8"
+      },
+      {
+        "labels": [
+          "csiso88598i",
+          "iso-8859-8-i",
+          "logical"
+        ],
+        "name": "iso-8859-8-i"
+      },
+      {
+        "labels": [
+          "csisolatin6",
+          "iso-8859-10",
+          "iso-ir-157",
+          "iso8859-10",
+          "iso885910",
+          "l6",
+          "latin6"
+        ],
+        "name": "iso-8859-10"
+      },
+      {
+        "labels": [
+          "iso-8859-13",
+          "iso8859-13",
+          "iso885913"
+        ],
+        "name": "iso-8859-13"
+      },
+      {
+        "labels": [
+          "iso-8859-14",
+          "iso8859-14",
+          "iso885914"
+        ],
+        "name": "iso-8859-14"
+      },
+      {
+        "labels": [
+          "csisolatin9",
+          "iso-8859-15",
+          "iso8859-15",
+          "iso885915",
+          "iso_8859-15",
+          "l9"
+        ],
+        "name": "iso-8859-15"
+      },
+      {
+        "labels": [
+          "iso-8859-16"
+        ],
+        "name": "iso-8859-16"
+      },
+      {
+        "labels": [
+          "cskoi8r",
+          "koi",
+          "koi8",
+          "koi8-r",
+          "koi8_r"
+        ],
+        "name": "koi8-r"
+      },
+      {
+        "labels": [
+          "koi8-u"
+        ],
+        "name": "koi8-u"
+      },
+      {
+        "labels": [
+          "csmacintosh",
+          "mac",
+          "macintosh",
+          "x-mac-roman"
+        ],
+        "name": "macintosh"
+      },
+      {
+        "labels": [
+          "dos-874",
+          "iso-8859-11",
+          "iso8859-11",
+          "iso885911",
+          "tis-620",
+          "windows-874"
+        ],
+        "name": "windows-874"
+      },
+      {
+        "labels": [
+          "cp1250",
+          "windows-1250",
+          "x-cp1250"
+        ],
+        "name": "windows-1250"
+      },
+      {
+        "labels": [
+          "cp1251",
+          "windows-1251",
+          "x-cp1251"
+        ],
+        "name": "windows-1251"
+      },
+      {
+        "labels": [
+          "ansi_x3.4-1968",
+          "ascii",
+          "cp1252",
+          "cp819",
+          "csisolatin1",
+          "ibm819",
+          "iso-8859-1",
+          "iso-ir-100",
+          "iso8859-1",
+          "iso88591",
+          "iso_8859-1",
+          "iso_8859-1:1987",
+          "l1",
+          "latin1",
+          "us-ascii",
+          "windows-1252",
+          "x-cp1252"
+        ],
+        "name": "windows-1252"
+      },
+      {
+        "labels": [
+          "cp1253",
+          "windows-1253",
+          "x-cp1253"
+        ],
+        "name": "windows-1253"
+      },
+      {
+        "labels": [
+          "cp1254",
+          "csisolatin5",
+          "iso-8859-9",
+          "iso-ir-148",
+          "iso8859-9",
+          "iso88599",
+          "iso_8859-9",
+          "iso_8859-9:1989",
+          "l5",
+          "latin5",
+          "windows-1254",
+          "x-cp1254"
+        ],
+        "name": "windows-1254"
+      },
+      {
+        "labels": [
+          "cp1255",
+          "windows-1255",
+          "x-cp1255"
+        ],
+        "name": "windows-1255"
+      },
+      {
+        "labels": [
+          "cp1256",
+          "windows-1256",
+          "x-cp1256"
+        ],
+        "name": "windows-1256"
+      },
+      {
+        "labels": [
+          "cp1257",
+          "windows-1257",
+          "x-cp1257"
+        ],
+        "name": "windows-1257"
+      },
+      {
+        "labels": [
+          "cp1258",
+          "windows-1258",
+          "x-cp1258"
+        ],
+        "name": "windows-1258"
+      },
+      {
+        "labels": [
+          "x-mac-cyrillic",
+          "x-mac-ukrainian"
+        ],
+        "name": "x-mac-cyrillic"
+      }
+    ],
+    "heading": "Legacy single-byte encodings"
+  },
+  {
+    "encodings": [
+      {
+        "labels": [
+          "chinese",
+          "csgb2312",
+          "csiso58gb231280",
+          "gb2312",
+          "gb_2312",
+          "gb_2312-80",
+          "gbk",
+          "iso-ir-58",
+          "x-gbk"
+        ],
+        "name": "gbk"
+      },
+      {
+        "labels": [
+          "gb18030"
+        ],
+        "name": "gb18030"
+      },
+      {
+        "labels": [
+          "hz-gb-2312"
+        ],
+        "name": "hz-gb-2312"
+      }
+    ],
+    "heading": "Legacy multi-byte Chinese (simplified) encodings"
+  },
+  {
+    "encodings": [
+      {
+        "labels": [
+          "big5",
+          "big5-hkscs",
+          "cn-big5",
+          "csbig5",
+          "x-x-big5"
+        ],
+        "name": "big5"
+      }
+    ],
+    "heading": "Legacy multi-byte Chinese (traditional) encodings"
+  },
+  {
+    "encodings": [
+      {
+        "labels": [
+          "cseucpkdfmtjapanese",
+          "euc-jp",
+          "x-euc-jp"
+        ],
+        "name": "euc-jp"
+      },
+      {
+        "labels": [
+          "csiso2022jp",
+          "iso-2022-jp"
+        ],
+        "name": "iso-2022-jp"
+      },
+      {
+        "labels": [
+          "csshiftjis",
+          "ms_kanji",
+          "shift-jis",
+          "shift_jis",
+          "sjis",
+          "windows-31j",
+          "x-sjis"
+        ],
+        "name": "shift_jis"
+      }
+    ],
+    "heading": "Legacy multi-byte Japanese encodings"
+  },
+  {
+    "encodings": [
+      {
+        "labels": [
+          "cseuckr",
+          "csksc56011987",
+          "euc-kr",
+          "iso-ir-149",
+          "korean",
+          "ks_c_5601-1987",
+          "ks_c_5601-1989",
+          "ksc5601",
+          "ksc_5601",
+          "windows-949"
+        ],
+        "name": "euc-kr"
+      }
+    ],
+    "heading": "Legacy multi-byte Korean encodings"
+  },
+  {
+    "encodings": [
+      {
+        "labels": [
+          "csiso2022kr",
+          "iso-2022-cn",
+            "iso-2022-cn-ext",
+            "iso-2022-kr"
+        ],
+        "name": "replacement"
+      },
+      {
+        "labels": [
+          "utf-16be"
+        ],
+        "name": "utf-16be"
+      },
+      {
+        "labels": [
+          "utf-16",
+          "utf-16le"
+        ],
+        "name": "utf-16le"
+      },
+      {
+        "labels": [
+          "x-user-defined"
+        ],
+        "name": "x-user-defined"
+      }
+    ],
+    "heading": "Legacy miscellaneous encodings"
+  }
+];
+
+var name_to_encoding = {};
+var label_to_encoding = {};
+encodings.forEach(function(category) {
+  category.encodings.forEach(function(encoding) {
+    name_to_encoding[encoding.name] = encoding;
+    encoding.labels.forEach(function(label) {
+      label_to_encoding[label] = encoding;
+    });
+  });
+});
+
+//
+// 5. Indexes
+//
+
+/**
+ * @param {number} pointer The |pointer| to search for.
+ * @param {Array.<?number>|undefined} index The |index| to search within.
+ * @return {?number} The code point corresponding to |pointer| in |index|,
+ *     or null if |code point| is not in |index|.
+ */
+function indexCodePointFor(pointer, index) {
+    if (!index) return null;
+    return index[pointer] || null;
+}
+
+/**
+ * @param {number} code_point The |code point| to search for.
+ * @param {Array.<?number>} index The |index| to search within.
+ * @return {?number} The first pointer corresponding to |code point| in
+ *     |index|, or null if |code point| is not in |index|.
+ */
+function indexPointerFor(code_point, index) {
+  var pointer = index.indexOf(code_point);
+  return pointer === -1 ? null : pointer;
+}
+
+/** @type {Object.<string, (Array.<number>|Array.<Array.<number>>)>} */
+var indexes = require('./encoding-indexes');
+
+/**
+ * @param {number} pointer The |pointer| to search for in the gb18030 index.
+ * @return {?number} The code point corresponding to |pointer| in |index|,
+ *     or null if |code point| is not in the gb18030 index.
+ */
+function indexGB18030CodePointFor(pointer) {
+  if ((pointer > 39419 && pointer < 189000) || (pointer > 1237575)) {
+    return null;
+  }
+  var /** @type {number} */ offset = 0,
+      /** @type {number} */ code_point_offset = 0,
+      /** @type {Array.<Array.<number>>} */ idx = indexes['gb18030'];
+  var i;
+  for (i = 0; i < idx.length; ++i) {
+    var entry = idx[i];
+    if (entry[0] <= pointer) {
+      offset = entry[0];
+      code_point_offset = entry[1];
+    } else {
+      break;
+    }
+  }
+  return code_point_offset + pointer - offset;
+}
+
+/**
+ * @param {number} code_point The |code point| to locate in the gb18030 index.
+ * @return {number} The first pointer corresponding to |code point| in the
+ *     gb18030 index.
+ */
+function indexGB18030PointerFor(code_point) {
+  var /** @type {number} */ offset = 0,
+      /** @type {number} */ pointer_offset = 0,
+      /** @type {Array.<Array.<number>>} */ idx = indexes['gb18030'];
+  var i;
+  for (i = 0; i < idx.length; ++i) {
+    var entry = idx[i];
+    if (entry[1] <= code_point) {
+      offset = entry[1];
+      pointer_offset = entry[0];
+    } else {
+      break;
+    }
+  }
+  return pointer_offset + code_point - offset;
+}
+
+
+//
+// 7. API
+//
+
+/** @const */ var DEFAULT_ENCODING = 'utf-8';
+
+// 7.1 Interface TextDecoder
+
+/**
+ * @constructor
+ * @param {string=} opt_encoding The label of the encoding;
+ *     defaults to 'utf-8'.
+ * @param {{fatal: boolean}=} options
+ */
+function TextDecoder(opt_encoding, options) {
+  if (!(this instanceof TextDecoder)) {
+    return new TextDecoder(opt_encoding, options);
+  }
+  opt_encoding = opt_encoding ? String(opt_encoding) : DEFAULT_ENCODING;
+  options = Object(options);
+  /** @private */
+  this._encoding = getEncoding(opt_encoding);
+  if (this._encoding === null || this._encoding.name === 'replacement')
+    throw new TypeError('Unknown encoding: ' + opt_encoding);
+
+  /** @private @type {boolean} */
+  this._streaming = false;
+  /** @private @type {boolean} */
+  this._BOMseen = false;
+  /** @private */
+  this._decoder = null;
+  /** @private @type {{fatal: boolean}=} */
+  this._options = { fatal: Boolean(options.fatal) };
+
+  if (Object.defineProperty) {
+    Object.defineProperty(
+        this, 'encoding',
+        { get: function() { return this._encoding.name; } });
+  } else {
+    this.encoding = this._encoding.name;
+  }
+
+  return this;
+}
+
+// TODO: Issue if input byte stream is offset by decoder
+// TODO: BOM detection will not work if stream header spans multiple calls
+// (last N bytes of previous stream may need to be retained?)
+TextDecoder.prototype = {
+  /**
+   * @param {Buffer=} bytes The buffer of bytes to decode.
+   * @param {{stream: boolean}=} options
+   */
+  decode: function decode(bytes, options) {
+    options = Object(options);
+
+    if (!this._streaming) {
+      this._decoder = this._encoding.getDecoder(this._options);
+      this._BOMseen = false;
+    }
+    this._streaming = Boolean(options.stream);
+
+    var input_stream = new ByteInputStream(bytes);
+
+    var output_stream = new CodePointOutputStream();
+
+    /** @type {number} */
+    var code_point;
+
+    while (input_stream.get() !== EOF_byte) {
+      code_point = this._decoder.decode(input_stream);
+      if (code_point !== null && code_point !== EOF_code_point) {
+        output_stream.emit(code_point);
+      }
+    }
+    if (!this._streaming) {
+      do {
+        code_point = this._decoder.decode(input_stream);
+        if (code_point !== null && code_point !== EOF_code_point) {
+          output_stream.emit(code_point);
+        }
+      } while (code_point !== EOF_code_point &&
+               input_stream.get() != EOF_byte);
+      this._decoder = null;
+    }
+
+    var result = output_stream.string();
+    if (!this._BOMseen && result.length) {
+      this._BOMseen = true;
+      if (UTFs.indexOf(this.encoding) !== -1 &&
+         result.charCodeAt(0) === 0xFEFF) {
+        result = result.substring(1);
+      }
+    }
+
+    return result;
+  }
+};
+
+var UTFs = ['utf-8', 'utf-16le', 'utf-16be'];
+
+// 7.2 Interface TextEncoder
+
+/**
+ * @constructor
+ * @param {string=} opt_encoding The label of the encoding;
+ *     defaults to 'utf-8'.
+ * @param {{fatal: boolean}=} options
+ */
+function TextEncoder(opt_encoding, options) {
+  if (!(this instanceof TextEncoder)) {
+    return new TextEncoder(opt_encoding, options);
+  }
+  opt_encoding = opt_encoding ? String(opt_encoding) : DEFAULT_ENCODING;
+  options = Object(options);
+  /** @private */
+  this._encoding = getEncoding(opt_encoding);
+  if (this._encoding === null || (this._encoding.name !== 'utf-8' &&
+                                  this._encoding.name !== 'utf-16le' &&
+                                  this._encoding.name !== 'utf-16be'))
+    throw new TypeError('Unknown encoding: ' + opt_encoding);
+  /** @private @type {boolean} */
+  this._streaming = false;
+  /** @private */
+  this._encoder = null;
+  /** @private @type {{fatal: boolean}=} */
+  this._options = { fatal: Boolean(options.fatal) };
+
+  if (Object.defineProperty) {
+    Object.defineProperty(
+        this, 'encoding',
+        { get: function() { return this._encoding.name; } });
+  } else {
+    this.encoding = this._encoding.name;
+  }
+
+  return this;
+}
+
+TextEncoder.prototype = {
+  /**
+   * @param {string=} opt_string The string to encode.
+   * @param {{stream: boolean}=} options
+   */
+  encode: function encode(opt_string, options) {
+    opt_string = opt_string ? String(opt_string) : '';
+    options = Object(options);
+    // TODO: any options?
+    if (!this._streaming) {
+      this._encoder = this._encoding.getEncoder(this._options);
+    }
+    this._streaming = Boolean(options.stream);
+
+    var bytes = [];
+    var output_stream = new ByteOutputStream(bytes);
+    var input_stream = new CodePointInputStream(opt_string);
+    while (input_stream.get() !== EOF_code_point) {
+      this._encoder.encode(output_stream, input_stream);
+    }
+    if (!this._streaming) {
+      /** @type {number} */
+      var last_byte;
+      do {
+        last_byte = this._encoder.encode(output_stream, input_stream);
+      } while (last_byte !== EOF_byte);
+      this._encoder = null;
+    }
+    return new Buffer(bytes);
+  }
+};
+
+
+//
+// 8. The encoding
+//
+
+// 8.1 utf-8
+
+/**
+ * @constructor
+ * @param {{fatal: boolean}} options
+ */
+function UTF8Decoder(options) {
+  var fatal = options.fatal;
+  var /** @type {number} */ utf8_code_point = 0,
+      /** @type {number} */ utf8_bytes_needed = 0,
+      /** @type {number} */ utf8_bytes_seen = 0,
+      /** @type {number} */ utf8_lower_boundary = 0;
+
+  /**
+   * @param {ByteInputStream} byte_pointer The byte stream to decode.
+   * @return {?number} The next code point decoded, or null if not enough
+   *     data exists in the input stream to decode a complete code point.
+   */
+  this.decode = function(byte_pointer) {
+    var bite = byte_pointer.get();
+    if (bite === EOF_byte) {
+      if (utf8_bytes_needed !== 0) {
+        return decoderError(fatal);
+      }
+      return EOF_code_point;
+    }
+    byte_pointer.offset(1);
+
+    if (utf8_bytes_needed === 0) {
+      if (inRange(bite, 0x00, 0x7F)) {
+        return bite;
+      }
+      if (inRange(bite, 0xC2, 0xDF)) {
+        utf8_bytes_needed = 1;
+        utf8_lower_boundary = 0x80;
+        utf8_code_point = bite - 0xC0;
+      } else if (inRange(bite, 0xE0, 0xEF)) {
+        utf8_bytes_needed = 2;
+        utf8_lower_boundary = 0x800;
+        utf8_code_point = bite - 0xE0;
+      } else if (inRange(bite, 0xF0, 0xF4)) {
+        utf8_bytes_needed = 3;
+        utf8_lower_boundary = 0x10000;
+        utf8_code_point = bite - 0xF0;
+      } else {
+        return decoderError(fatal);
+      }
+      utf8_code_point = utf8_code_point * Math.pow(64, utf8_bytes_needed);
+      return null;
+    }
+    if (!inRange(bite, 0x80, 0xBF)) {
+      utf8_code_point = 0;
+      utf8_bytes_needed = 0;
+      utf8_bytes_seen = 0;
+      utf8_lower_boundary = 0;
+      byte_pointer.offset(-1);
+      return decoderError(fatal);
+    }
+    utf8_bytes_seen += 1;
+    utf8_code_point = utf8_code_point + (bite - 0x80) *
+        Math.pow(64, utf8_bytes_needed - utf8_bytes_seen);
+    if (utf8_bytes_seen !== utf8_bytes_needed) {
+      return null;
+    }
+    var code_point = utf8_code_point;
+    var lower_boundary = utf8_lower_boundary;
+    utf8_code_point = 0;
+    utf8_bytes_needed = 0;
+    utf8_bytes_seen = 0;
+    utf8_lower_boundary = 0;
+    if (inRange(code_point, lower_boundary, 0x10FFFF) &&
+        !inRange(code_point, 0xD800, 0xDFFF)) {
+      return code_point;
+    }
+    return decoderError(fatal);
+  };
+}
+
+/**
+ * @constructor
+ * @param {{fatal: boolean}} options
+ */
+function UTF8Encoder(options) {
+  var fatal = options.fatal;
+  /**
+   * @param {ByteOutputStream} output_byte_stream Output byte stream.
+   * @param {CodePointInputStream} code_point_pointer Input stream.
+   * @return {number} The last byte emitted.
+   */
+  this.encode = function(output_byte_stream, code_point_pointer) {
+    /** @type {number} */
+    var code_point = code_point_pointer.get();
+    if (code_point === EOF_code_point) {
+      return EOF_byte;
+    }
+    code_point_pointer.offset(1);
+    if (inRange(code_point, 0xD800, 0xDFFF)) {
+      return encoderError(code_point);
+    }
+    if (inRange(code_point, 0x0000, 0x007f)) {
+      return output_byte_stream.emit(code_point);
+    }
+    var count, offset;
+    if (inRange(code_point, 0x0080, 0x07FF)) {
+      count = 1;
+      offset = 0xC0;
+    } else if (inRange(code_point, 0x0800, 0xFFFF)) {
+      count = 2;
+      offset = 0xE0;
+    } else if (inRange(code_point, 0x10000, 0x10FFFF)) {
+      count = 3;
+      offset = 0xF0;
+    }
+    var result = output_byte_stream.emit(
+        div(code_point, Math.pow(64, count)) + offset);
+    while (count > 0) {
+      var temp = div(code_point, Math.pow(64, count - 1));
+      result = output_byte_stream.emit(0x80 + (temp % 64));
+      count -= 1;
+    }
+    return result;
+  };
+}
+
+/** @param {{fatal: boolean}} options */
+name_to_encoding['utf-8'].getEncoder = function(options) {
+  return new UTF8Encoder(options);
+};
+/** @param {{fatal: boolean}} options */
+name_to_encoding['utf-8'].getDecoder = function(options) {
+  return new UTF8Decoder(options);
+};
+
+//
+// 9. Legacy single-byte encodings
+//
+
+/**
+ * @constructor
+ * @param {Array.<number>} index The encoding index.
+ * @param {{fatal: boolean}} options
+ */
+function SingleByteDecoder(index, options) {
+  var fatal = options.fatal;
+  /**
+   * @param {ByteInputStream} byte_pointer The byte stream to decode.
+   * @return {?number} The next code point decoded, or null if not enough
+   *     data exists in the input stream to decode a complete code point.
+   */
+  this.decode = function(byte_pointer) {
+    var bite = byte_pointer.get();
+    if (bite === EOF_byte) {
+      return EOF_code_point;
+    }
+    byte_pointer.offset(1);
+    if (inRange(bite, 0x00, 0x7F)) {
+      return bite;
+    }
+    var code_point = index[bite - 0x80];
+    if (code_point === null) {
+      return decoderError(fatal);
+    }
+    return code_point;
+  };
+}
+
+/**
+ * @constructor
+ * @param {Array.<?number>} index The encoding index.
+ * @param {{fatal: boolean}} options
+ */
+function SingleByteEncoder(index, options) {
+  var fatal = options.fatal;
+  /**
+   * @param {ByteOutputStream} output_byte_stream Output byte stream.
+   * @param {CodePointInputStream} code_point_pointer Input stream.
+   * @return {number} The last byte emitted.
+   */
+  this.encode = function(output_byte_stream, code_point_pointer) {
+    var code_point = code_point_pointer.get();
+    if (code_point === EOF_code_point) {
+      return EOF_byte;
+    }
+    code_point_pointer.offset(1);
+    if (inRange(code_point, 0x0000, 0x007F)) {
+      return output_byte_stream.emit(code_point);
+    }
+    var pointer = indexPointerFor(code_point, index);
+    if (pointer === null) {
+      encoderError(code_point);
+    }
+    return output_byte_stream.emit(pointer + 0x80);
+  };
+}
+
+(function() {
+  encodings.forEach(function(category) {
+    if (category.heading !== 'Legacy single-byte encodings')
+      return;
+    category.encodings.forEach(function(encoding) {
+      var idx = indexes[encoding.name];
+      /** @param {{fatal: boolean}} options */
+      encoding.getDecoder = function(options) {
+        return new SingleByteDecoder(idx, options);
+      };
+      /** @param {{fatal: boolean}} options */
+      encoding.getEncoder = function(options) {
+        return new SingleByteEncoder(idx, options);
+      };
+    });
+  });
+}());
+
+//
+// 10. Legacy multi-byte Chinese (simplified) encodings
+//
+
+// 9.1 gbk
+
+/**
+ * @constructor
+ * @param {boolean} gb18030 True if decoding gb18030, false otherwise.
+ * @param {{fatal: boolean}} options
+ */
+function GBKDecoder(gb18030, options) {
+  var fatal = options.fatal;
+  var /** @type {number} */ gbk_first = 0x00,
+      /** @type {number} */ gbk_second = 0x00,
+      /** @type {number} */ gbk_third = 0x00;
+  /**
+   * @param {ByteInputStream} byte_pointer The byte stream to decode.
+   * @return {?number} The next code point decoded, or null if not enough
+   *     data exists in the input stream to decode a complete code point.
+   */
+  this.decode = function(byte_pointer) {
+    var bite = byte_pointer.get();
+    if (bite === EOF_byte && gbk_first === 0x00 &&
+        gbk_second === 0x00 && gbk_third === 0x00) {
+      return EOF_code_point;
+    }
+    if (bite === EOF_byte &&
+        (gbk_first !== 0x00 || gbk_second !== 0x00 || gbk_third !== 0x00)) {
+      gbk_first = 0x00;
+      gbk_second = 0x00;
+      gbk_third = 0x00;
+      decoderError(fatal);
+    }
+    byte_pointer.offset(1);
+    var code_point;
+    if (gbk_third !== 0x00) {
+      code_point = null;
+      if (inRange(bite, 0x30, 0x39)) {
+        code_point = indexGB18030CodePointFor(
+            (((gbk_first - 0x81) * 10 + (gbk_second - 0x30)) * 126 +
+             (gbk_third - 0x81)) * 10 + bite - 0x30);
+      }
+      gbk_first = 0x00;
+      gbk_second = 0x00;
+      gbk_third = 0x00;
+      if (code_point === null) {
+        byte_pointer.offset(-3);
+        return decoderError(fatal);
+      }
+      return code_point;
+    }
+    if (gbk_second !== 0x00) {
+      if (inRange(bite, 0x81, 0xFE)) {
+        gbk_third = bite;
+        return null;
+      }
+      byte_pointer.offset(-2);
+      gbk_first = 0x00;
+      gbk_second = 0x00;
+      return decoderError(fatal);
+    }
+    if (gbk_first !== 0x00) {
+      if (inRange(bite, 0x30, 0x39) && gb18030) {
+        gbk_second = bite;
+        return null;
+      }
+      var lead = gbk_first;
+      var pointer = null;
+      gbk_first = 0x00;
+      var offset = bite < 0x7F ? 0x40 : 0x41;
+      if (inRange(bite, 0x40, 0x7E) || inRange(bite, 0x80, 0xFE)) {
+        pointer = (lead - 0x81) * 190 + (bite - offset);
+      }
+      code_point = pointer === null ? null :
+          indexCodePointFor(pointer, indexes['gbk']);
+      if (pointer === null) {
+        byte_pointer.offset(-1);
+      }
+      if (code_point === null) {
+        return decoderError(fatal);
+      }
+      return code_point;
+    }
+    if (inRange(bite, 0x00, 0x7F)) {
+      return bite;
+    }
+    if (bite === 0x80) {
+      return 0x20AC;
+    }
+    if (inRange(bite, 0x81, 0xFE)) {
+      gbk_first = bite;
+      return null;
+    }
+    return decoderError(fatal);
+  };
+}
+
+/**
+ * @constructor
+ * @param {boolean} gb18030 True if decoding gb18030, false otherwise.
+ * @param {{fatal: boolean}} options
+ */
+function GBKEncoder(gb18030, options) {
+  var fatal = options.fatal;
+  /**
+   * @param {ByteOutputStream} output_byte_stream Output byte stream.
+   * @param {CodePointInputStream} code_point_pointer Input stream.
+   * @return {number} The last byte emitted.
+   */
+  this.encode = function(output_byte_stream, code_point_pointer) {
+    var code_point = code_point_pointer.get();
+    if (code_point === EOF_code_point) {
+      return EOF_byte;
+    }
+    code_point_pointer.offset(1);
+    if (inRange(code_point, 0x0000, 0x007F)) {
+      return output_byte_stream.emit(code_point);
+    }
+    var pointer = indexPointerFor(code_point, indexes['gbk']);
+    if (pointer !== null) {
+      var lead = div(pointer, 190) + 0x81;
+      var trail = pointer % 190;
+      var offset = trail < 0x3F ? 0x40 : 0x41;
+      return output_byte_stream.emit(lead, trail + offset);
+    }
+    if (pointer === null && !gb18030) {
+      return encoderError(code_point);
+    }
+    pointer = indexGB18030PointerFor(code_point);
+    var byte1 = div(div(div(pointer, 10), 126), 10);
+    pointer = pointer - byte1 * 10 * 126 * 10;
+    var byte2 = div(div(pointer, 10), 126);
+    pointer = pointer - byte2 * 10 * 126;
+    var byte3 = div(pointer, 10);
+    var byte4 = pointer - byte3 * 10;
+    return output_byte_stream.emit(byte1 + 0x81,
+                                   byte2 + 0x30,
+                                   byte3 + 0x81,
+                                   byte4 + 0x30);
+  };
+}
+
+name_to_encoding['gbk'].getEncoder = function(options) {
+  return new GBKEncoder(false, options);
+};
+name_to_encoding['gbk'].getDecoder = function(options) {
+  return new GBKDecoder(false, options);
+};
+
+// 9.2 gb18030
+name_to_encoding['gb18030'].getEncoder = function(options) {
+  return new GBKEncoder(true, options);
+};
+name_to_encoding['gb18030'].getDecoder = function(options) {
+  return new GBKDecoder(true, options);
+};
+
+// 10.2 hz-gb-2312
+
+/**
+ * @constructor
+ * @param {{fatal: boolean}} options
+ */
+function HZGB2312Decoder(options) {
+  var fatal = options.fatal;
+  var /** @type {boolean} */ hzgb2312 = false,
+      /** @type {number} */ hzgb2312_lead = 0x00;
+  /**
+   * @param {ByteInputStream} byte_pointer The byte stream to decode.
+   * @return {?number} The next code point decoded, or null if not enough
+   *     data exists in the input stream to decode a complete code point.
+   */
+  this.decode = function(byte_pointer) {
+    var bite = byte_pointer.get();
+    if (bite === EOF_byte && hzgb2312_lead === 0x00) {
+      return EOF_code_point;
+    }
+    if (bite === EOF_byte && hzgb2312_lead !== 0x00) {
+      hzgb2312_lead = 0x00;
+      return decoderError(fatal);
+    }
+    byte_pointer.offset(1);
+    if (hzgb2312_lead === 0x7E) {
+      hzgb2312_lead = 0x00;
+      if (bite === 0x7B) {
+        hzgb2312 = true;
+        return null;
+      }
+      if (bite === 0x7D) {
+        hzgb2312 = false;
+        return null;
+      }
+      if (bite === 0x7E) {
+        return 0x007E;
+      }
+      if (bite === 0x0A) {
+        return null;
+      }
+      byte_pointer.offset(-1);
+      return decoderError(fatal);
+    }
+    if (hzgb2312_lead !== 0x00) {
+      var lead = hzgb2312_lead;
+      hzgb2312_lead = 0x00;
+      var code_point = null;
+      if (inRange(bite, 0x21, 0x7E)) {
+        code_point = indexCodePointFor((lead - 1) * 190 +
+                                       (bite + 0x3F), indexes['gbk']);
+      }
+      if (bite === 0x0A) {
+        hzgb2312 = false;
+      }
+      if (code_point === null) {
+        return decoderError(fatal);
+      }
+      return code_point;
+    }
+    if (bite === 0x7E) {
+      hzgb2312_lead = 0x7E;
+      return null;
+    }
+    if (hzgb2312) {
+      if (inRange(bite, 0x20, 0x7F)) {
+        hzgb2312_lead = bite;
+        return null;
+      }
+      if (bite === 0x0A) {
+        hzgb2312 = false;
+      }
+      return decoderError(fatal);
+    }
+    if (inRange(bite, 0x00, 0x7F)) {
+      return bite;
+    }
+    return decoderError(fatal);
+  };
+}
+
+/**
+ * @constructor
+ * @param {{fatal: boolean}} options
+ */
+function HZGB2312Encoder(options) {
+  var fatal = options.fatal;
+  /** @type {boolean} */
+  var hzgb2312 = false;
+  /**
+   * @param {ByteOutputStream} output_byte_stream Output byte stream.
+   * @param {CodePointInputStream} code_point_pointer Input stream.
+   * @return {number} The last byte emitted.
+   */
+  this.encode = function(output_byte_stream, code_point_pointer) {
+    var code_point = code_point_pointer.get();
+    if (code_point === EOF_code_point) {
+      return EOF_byte;
+    }
+    code_point_pointer.offset(1);
+    if (inRange(code_point, 0x0000, 0x007F) && hzgb2312) {
+      code_point_pointer.offset(-1);
+      hzgb2312 = false;
+      return output_byte_stream.emit(0x7E, 0x7D);
+    }
+    if (code_point === 0x007E) {
+      return output_byte_stream.emit(0x7E, 0x7E);
+    }
+    if (inRange(code_point, 0x0000, 0x007F)) {
+      return output_byte_stream.emit(code_point);
+    }
+    if (!hzgb2312) {
+      code_point_pointer.offset(-1);
+      hzgb2312 = true;
+      return output_byte_stream.emit(0x7E, 0x7B);
+    }
+    var pointer = indexPointerFor(code_point, indexes['gbk']);
+    if (pointer === null) {
+      return encoderError(code_point);
+    }
+    var lead = div(pointer, 190) + 1;
+    var trail = pointer % 190 - 0x3F;
+    if (!inRange(lead, 0x21, 0x7E) || !inRange(trail, 0x21, 0x7E)) {
+      return encoderError(code_point);
+    }
+    return output_byte_stream.emit(lead, trail);
+  };
+}
+
+/** @param {{fatal: boolean}} options */
+name_to_encoding['hz-gb-2312'].getEncoder = function(options) {
+  return new HZGB2312Encoder(options);
+};
+/** @param {{fatal: boolean}} options */
+name_to_encoding['hz-gb-2312'].getDecoder = function(options) {
+  return new HZGB2312Decoder(options);
+};
+
+//
+// 11. Legacy multi-byte Chinese (traditional) encodings
+//
+
+// 11.1 big5
+
+/**
+ * @constructor
+ * @param {{fatal: boolean}} options
+ */
+function Big5Decoder(options) {
+  var fatal = options.fatal;
+  var /** @type {number} */ big5_lead = 0x00,
+      /** @type {?number} */ big5_pending = null;
+
+  /**
+   * @param {ByteInputStream} byte_pointer The byte steram to decode.
+   * @return {?number} The next code point decoded, or null if not enough
+   *     data exists in the input stream to decode a complete code point.
+   */
+  this.decode = function(byte_pointer) {
+    // NOTE: Hack to support emitting two code points
+    if (big5_pending !== null) {
+      var pending = big5_pending;
+      big5_pending = null;
+      return pending;
+    }
+    var bite = byte_pointer.get();
+    if (bite === EOF_byte && big5_lead === 0x00) {
+      return EOF_code_point;
+    }
+    if (bite === EOF_byte && big5_lead !== 0x00) {
+      big5_lead = 0x00;
+      return decoderError(fatal);
+    }
+    byte_pointer.offset(1);
+    if (big5_lead !== 0x00) {
+      var lead = big5_lead;
+      var pointer = null;
+      big5_lead = 0x00;
+      var offset = bite < 0x7F ? 0x40 : 0x62;
+      if (inRange(bite, 0x40, 0x7E) || inRange(bite, 0xA1, 0xFE)) {
+        pointer = (lead - 0x81) * 157 + (bite - offset);
+      }
+      if (pointer === 1133) {
+        big5_pending = 0x0304;
+        return 0x00CA;
+      }
+      if (pointer === 1135) {
+        big5_pending = 0x030C;
+        return 0x00CA;
+      }
+      if (pointer === 1164) {
+        big5_pending = 0x0304;
+        return 0x00EA;
+      }
+      if (pointer === 1166) {
+        big5_pending = 0x030C;
+        return 0x00EA;
+      }
+      var code_point = (pointer === null) ? null :
+          indexCodePointFor(pointer, indexes['big5']);
+      if (pointer === null) {
+        byte_pointer.offset(-1);
+      }
+      if (code_point === null) {
+        return decoderError(fatal);
+      }
+      return code_point;
+    }
+    if (inRange(bite, 0x00, 0x7F)) {
+      return bite;
+    }
+    if (inRange(bite, 0x81, 0xFE)) {
+      big5_lead = bite;
+      return null;
+    }
+    return decoderError(fatal);
+  };
+}
+
+/**
+ * @constructor
+ * @param {{fatal: boolean}} options
+ */
+function Big5Encoder(options) {
+  var fatal = options.fatal;
+  /**
+   * @param {ByteOutputStream} output_byte_stream Output byte stream.
+   * @param {CodePointInputStream} code_point_pointer Input stream.
+   * @return {number} The last byte emitted.
+   */
+  this.encode = function(output_byte_stream, code_point_pointer) {
+    var code_point = code_point_pointer.get();
+    if (code_point === EOF_code_point) {
+      return EOF_byte;
+    }
+    code_point_pointer.offset(1);
+    if (inRange(code_point, 0x0000, 0x007F)) {
+      return output_byte_stream.emit(code_point);
+    }
+    var pointer = indexPointerFor(code_point, indexes['big5']);
+    if (pointer === null) {
+      return encoderError(code_point);
+    }
+    var lead = div(pointer, 157) + 0x81;
+    //if (lead < 0xA1) {
+    //  return encoderError(code_point);
+    //}
+    var trail = pointer % 157;
+    var offset = trail < 0x3F ? 0x40 : 0x62;
+    return output_byte_stream.emit(lead, trail + offset);
+  };
+}
+
+/** @param {{fatal: boolean}} options */
+name_to_encoding['big5'].getEncoder = function(options) {
+  return new Big5Encoder(options);
+};
+/** @param {{fatal: boolean}} options */
+name_to_encoding['big5'].getDecoder = function(options) {
+  return new Big5Decoder(options);
+};
+
+
+//
+// 12. Legacy multi-byte Japanese encodings
+//
+
+// 12.1 euc.jp
+
+/**
+ * @constructor
+ * @param {{fatal: boolean}} options
+ */
+function EUCJPDecoder(options) {
+  var fatal = options.fatal;
+  var /** @type {number} */ eucjp_first = 0x00,
+      /** @type {number} */ eucjp_second = 0x00;
+  /**
+   * @param {ByteInputStream} byte_pointer The byte stream to decode.
+   * @return {?number} The next code point decoded, or null if not enough
+   *     data exists in the input stream to decode a complete code point.
+   */
+  this.decode = function(byte_pointer) {
+    var bite = byte_pointer.get();
+    if (bite === EOF_byte) {
+      if (eucjp_first === 0x00 && eucjp_second === 0x00) {
+        return EOF_code_point;
+      }
+      eucjp_first = 0x00;
+      eucjp_second = 0x00;
+      return decoderError(fatal);
+    }
+    byte_pointer.offset(1);
+
+    var lead, code_point;
+    if (eucjp_second !== 0x00) {
+      lead = eucjp_second;
+      eucjp_second = 0x00;
+      code_point = null;
+      if (inRange(lead, 0xA1, 0xFE) && inRange(bite, 0xA1, 0xFE)) {
+        code_point = indexCodePointFor((lead - 0xA1) * 94 + bite - 0xA1,
+                                       indexes['jis0212']);
+      }
+      if (!inRange(bite, 0xA1, 0xFE)) {
+        byte_pointer.offset(-1);
+      }
+      if (code_point === null) {
+        return decoderError(fatal);
+      }
+      return code_point;
+    }
+    if (eucjp_first === 0x8E && inRange(bite, 0xA1, 0xDF)) {
+      eucjp_first = 0x00;
+      return 0xFF61 + bite - 0xA1;
+    }
+    if (eucjp_first === 0x8F && inRange(bite, 0xA1, 0xFE)) {
+      eucjp_first = 0x00;
+      eucjp_second = bite;
+      return null;
+    }
+    if (eucjp_first !== 0x00) {
+      lead = eucjp_first;
+      eucjp_first = 0x00;
+      code_point = null;
+      if (inRange(lead, 0xA1, 0xFE) && inRange(bite, 0xA1, 0xFE)) {
+        code_point = indexCodePointFor((lead - 0xA1) * 94 + bite - 0xA1,
+                                       indexes['jis0208']);
+      }
+      if (!inRange(bite, 0xA1, 0xFE)) {
+        byte_pointer.offset(-1);
+      }
+      if (code_point === null) {
+        return decoderError(fatal);
+      }
+      return code_point;
+    }
+    if (inRange(bite, 0x00, 0x7F)) {
+      return bite;
+    }
+    if (bite === 0x8E || bite === 0x8F || (inRange(bite, 0xA1, 0xFE))) {
+      eucjp_first = bite;
+      return null;
+    }
+    return decoderError(fatal);
+  };
+}
+
+/**
+ * @constructor
+ * @param {{fatal: boolean}} options
+ */
+function EUCJPEncoder(options) {
+  var fatal = options.fatal;
+  /**
+   * @param {ByteOutputStream} output_byte_stream Output byte stream.
+   * @param {CodePointInputStream} code_point_pointer Input stream.
+   * @return {number} The last byte emitted.
+   */
+  this.encode = function(output_byte_stream, code_point_pointer) {
+    var code_point = code_point_pointer.get();
+    if (code_point === EOF_code_point) {
+      return EOF_byte;
+    }
+    code_point_pointer.offset(1);
+    if (inRange(code_point, 0x0000, 0x007F)) {
+      return output_byte_stream.emit(code_point);
+    }
+    if (code_point === 0x00A5) {
+      return output_byte_stream.emit(0x5C);
+    }
+    if (code_point === 0x203E) {
+      return output_byte_stream.emit(0x7E);
+    }
+    if (inRange(code_point, 0xFF61, 0xFF9F)) {
+      return output_byte_stream.emit(0x8E, code_point - 0xFF61 + 0xA1);
+    }
+
+    var pointer = indexPointerFor(code_point, indexes['jis0208']);
+    if (pointer === null) {
+      return encoderError(code_point);
+    }
+    var lead = div(pointer, 94) + 0xA1;
+    var trail = pointer % 94 + 0xA1;
+    return output_byte_stream.emit(lead, trail);
+  };
+}
+
+/** @param {{fatal: boolean}} options */
+name_to_encoding['euc-jp'].getEncoder = function(options) {
+  return new EUCJPEncoder(options);
+};
+/** @param {{fatal: boolean}} options */
+name_to_encoding['euc-jp'].getDecoder = function(options) {
+  return new EUCJPDecoder(options);
+};
+
+// 12.2 iso-2022-jp
+
+/**
+ * @constructor
+ * @param {{fatal: boolean}} options
+ */
+function ISO2022JPDecoder(options) {
+  var fatal = options.fatal;
+  /** @enum */
+  var state = {
+    ASCII: 0,
+    escape_start: 1,
+    escape_middle: 2,
+    escape_final: 3,
+    lead: 4,
+    trail: 5,
+    Katakana: 6
+  };
+  var /** @type {number} */ iso2022jp_state = state.ASCII,
+      /** @type {boolean} */ iso2022jp_jis0212 = false,
+      /** @type {number} */ iso2022jp_lead = 0x00;
+  /**
+   * @param {ByteInputStream} byte_pointer The byte stream to decode.
+   * @return {?number} The next code point decoded, or null if not enough
+   *     data exists in the input stream to decode a complete code point.
+   */
+  this.decode = function(byte_pointer) {
+    var bite = byte_pointer.get();
+    if (bite !== EOF_byte) {
+      byte_pointer.offset(1);
+    }
+    switch (iso2022jp_state) {
+      default:
+      case state.ASCII:
+        if (bite === 0x1B) {
+          iso2022jp_state = state.escape_start;
+          return null;
+        }
+        if (inRange(bite, 0x00, 0x7F)) {
+          return bite;
+        }
+        if (bite === EOF_byte) {
+          return EOF_code_point;
+        }
+        return decoderError(fatal);
+
+      case state.escape_start:
+        if (bite === 0x24 || bite === 0x28) {
+          iso2022jp_lead = bite;
+          iso2022jp_state = state.escape_middle;
+          return null;
+        }
+        if (bite !== EOF_byte) {
+          byte_pointer.offset(-1);
+        }
+        iso2022jp_state = state.ASCII;
+        return decoderError(fatal);
+
+      case state.escape_middle:
+        var lead = iso2022jp_lead;
+        iso2022jp_lead = 0x00;
+        if (lead === 0x24 && (bite === 0x40 || bite === 0x42)) {
+          iso2022jp_jis0212 = false;
+          iso2022jp_state = state.lead;
+          return null;
+        }
+        if (lead === 0x24 && bite === 0x28) {
+          iso2022jp_state = state.escape_final;
+          return null;
+        }
+        if (lead === 0x28 && (bite === 0x42 || bite === 0x4A)) {
+          iso2022jp_state = state.ASCII;
+          return null;
+        }
+        if (lead === 0x28 && bite === 0x49) {
+          iso2022jp_state = state.Katakana;
+          return null;
+        }
+        if (bite === EOF_byte) {
+          byte_pointer.offset(-1);
+        } else {
+          byte_pointer.offset(-2);
+        }
+        iso2022jp_state = state.ASCII;
+        return decoderError(fatal);
+
+      case state.escape_final:
+        if (bite === 0x44) {
+          iso2022jp_jis0212 = true;
+          iso2022jp_state = state.lead;
+          return null;
+        }
+        if (bite === EOF_byte) {
+          byte_pointer.offset(-2);
+        } else {
+          byte_pointer.offset(-3);
+        }
+        iso2022jp_state = state.ASCII;
+        return decoderError(fatal);
+
+      case state.lead:
+        if (bite === 0x0A) {
+          iso2022jp_state = state.ASCII;
+          return decoderError(fatal, 0x000A);
+        }
+        if (bite === 0x1B) {
+          iso2022jp_state = state.escape_start;
+          return null;
+        }
+        if (bite === EOF_byte) {
+          return EOF_code_point;
+        }
+        iso2022jp_lead = bite;
+        iso2022jp_state = state.trail;
+        return null;
+
+      case state.trail:
+        iso2022jp_state = state.lead;
+        if (bite === EOF_byte) {
+          return decoderError(fatal);
+        }
+        var code_point = null;
+        var pointer = (iso2022jp_lead - 0x21) * 94 + bite - 0x21;
+        if (inRange(iso2022jp_lead, 0x21, 0x7E) &&
+            inRange(bite, 0x21, 0x7E)) {
+          code_point = (iso2022jp_jis0212 === false) ?
+              indexCodePointFor(pointer, indexes['jis0208']) :
+              indexCodePointFor(pointer, indexes['jis0212']);
+        }
+        if (code_point === null) {
+          return decoderError(fatal);
+        }
+        return code_point;
+
+      case state.Katakana:
+        if (bite === 0x1B) {
+          iso2022jp_state = state.escape_start;
+          return null;
+        }
+        if (inRange(bite, 0x21, 0x5F)) {
+          return 0xFF61 + bite - 0x21;
+        }
+        if (bite === EOF_byte) {
+          return EOF_code_point;
+        }
+        return decoderError(fatal);
+    }
+  };
+}
+
+/**
+ * @constructor
+ * @param {{fatal: boolean}} options
+ */
+function ISO2022JPEncoder(options) {
+  var fatal = options.fatal;
+  /** @enum */
+  var state = {
+    ASCII: 0,
+    lead: 1,
+    Katakana: 2
+  };
+  var /** @type {number} */ iso2022jp_state = state.ASCII;
+  /**
+   * @param {ByteOutputStream} output_byte_stream Output byte stream.
+   * @param {CodePointInputStream} code_point_pointer Input stream.
+   * @return {number} The last byte emitted.
+   */
+  this.encode = function(output_byte_stream, code_point_pointer) {
+    var code_point = code_point_pointer.get();
+    if (code_point === EOF_code_point) {
+      return EOF_byte;
+    }
+    code_point_pointer.offset(1);
+    if ((inRange(code_point, 0x0000, 0x007F) ||
+         code_point === 0x00A5 || code_point === 0x203E) &&
+        iso2022jp_state !== state.ASCII) {
+      code_point_pointer.offset(-1);
+      iso2022jp_state = state.ASCII;
+      return output_byte_stream.emit(0x1B, 0x28, 0x42);
+    }
+    if (inRange(code_point, 0x0000, 0x007F)) {
+      return output_byte_stream.emit(code_point);
+    }
+    if (code_point === 0x00A5) {
+      return output_byte_stream.emit(0x5C);
+    }
+    if (code_point === 0x203E) {
+      return output_byte_stream.emit(0x7E);
+    }
+    if (inRange(code_point, 0xFF61, 0xFF9F) &&
+        iso2022jp_state !== state.Katakana) {
+      code_point_pointer.offset(-1);
+      iso2022jp_state = state.Katakana;
+      return output_byte_stream.emit(0x1B, 0x28, 0x49);
+    }
+    if (inRange(code_point, 0xFF61, 0xFF9F)) {
+      return output_byte_stream.emit(code_point - 0xFF61 - 0x21);
+    }
+    if (iso2022jp_state !== state.lead) {
+      code_point_pointer.offset(-1);
+      iso2022jp_state = state.lead;
+      return output_byte_stream.emit(0x1B, 0x24, 0x42);
+    }
+    var pointer = indexPointerFor(code_point, indexes['jis0208']);
+    if (pointer === null) {
+      return encoderError(code_point);
+    }
+    var lead = div(pointer, 94) + 0x21;
+    var trail = pointer % 94 + 0x21;
+    return output_byte_stream.emit(lead, trail);
+  };
+}
+
+/** @param {{fatal: boolean}} options */
+name_to_encoding['iso-2022-jp'].getEncoder = function(options) {
+  return new ISO2022JPEncoder(options);
+};
+/** @param {{fatal: boolean}} options */
+name_to_encoding['iso-2022-jp'].getDecoder = function(options) {
+  return new ISO2022JPDecoder(options);
+};
+
+// 12.3 shift_jis
+
+/**
+ * @constructor
+ * @param {{fatal: boolean}} options
+ */
+function ShiftJISDecoder(options) {
+  var fatal = options.fatal;
+  var /** @type {number} */ shiftjis_lead = 0x00;
+  /**
+   * @param {ByteInputStream} byte_pointer The byte stream to decode.
+   * @return {?number} The next code point decoded, or null if not enough
+   *     data exists in the input stream to decode a complete code point.
+   */
+  this.decode = function(byte_pointer) {
+    var bite = byte_pointer.get();
+    if (bite === EOF_byte && shiftjis_lead === 0x00) {
+      return EOF_code_point;
+    }
+    if (bite === EOF_byte && shiftjis_lead !== 0x00) {
+      shiftjis_lead = 0x00;
+      return decoderError(fatal);
+    }
+    byte_pointer.offset(1);
+    if (shiftjis_lead !== 0x00) {
+      var lead = shiftjis_lead;
+      shiftjis_lead = 0x00;
+      if (inRange(bite, 0x40, 0x7E) || inRange(bite, 0x80, 0xFC)) {
+        var offset = (bite < 0x7F) ? 0x40 : 0x41;
+        var lead_offset = (lead < 0xA0) ? 0x81 : 0xC1;
+        var code_point = indexCodePointFor((lead - lead_offset) * 188 +
+                                           bite - offset, indexes['jis0208']);
+        if (code_point === null) {
+          return decoderError(fatal);
+        }
+        return code_point;
+      }
+      byte_pointer.offset(-1);
+      return decoderError(fatal);
+    }
+    if (inRange(bite, 0x00, 0x80)) {
+      return bite;
+    }
+    if (inRange(bite, 0xA1, 0xDF)) {
+      return 0xFF61 + bite - 0xA1;
+    }
+    if (inRange(bite, 0x81, 0x9F) || inRange(bite, 0xE0, 0xFC)) {
+      shiftjis_lead = bite;
+      return null;
+    }
+    return decoderError(fatal);
+  };
+}
+
+/**
+ * @constructor
+ * @param {{fatal: boolean}} options
+ */
+function ShiftJISEncoder(options) {
+  var fatal = options.fatal;
+  /**
+   * @param {ByteOutputStream} output_byte_stream Output byte stream.
+   * @param {CodePointInputStream} code_point_pointer Input stream.
+   * @return {number} The last byte emitted.
+   */
+  this.encode = function(output_byte_stream, code_point_pointer) {
+    var code_point = code_point_pointer.get();
+    if (code_point === EOF_code_point) {
+      return EOF_byte;
+    }
+    code_point_pointer.offset(1);
+    if (inRange(code_point, 0x0000, 0x0080)) {
+      return output_byte_stream.emit(code_point);
+    }
+    if (code_point === 0x00A5) {
+      return output_byte_stream.emit(0x5C);
+    }
+    if (code_point === 0x203E) {
+      return output_byte_stream.emit(0x7E);
+    }
+    if (inRange(code_point, 0xFF61, 0xFF9F)) {
+      return output_byte_stream.emit(code_point - 0xFF61 + 0xA1);
+    }
+    var pointer = indexPointerFor(code_point, indexes['jis0208']);
+    if (pointer === null) {
+      return encoderError(code_point);
+    }
+    var lead = div(pointer, 188);
+    var lead_offset = lead < 0x1F ? 0x81 : 0xC1;
+    var trail = pointer % 188;
+    var offset = trail < 0x3F ? 0x40 : 0x41;
+    return output_byte_stream.emit(lead + lead_offset, trail + offset);
+  };
+}
+
+/** @param {{fatal: boolean}} options */
+name_to_encoding['shift_jis'].getEncoder = function(options) {
+  return new ShiftJISEncoder(options);
+};
+/** @param {{fatal: boolean}} options */
+name_to_encoding['shift_jis'].getDecoder = function(options) {
+  return new ShiftJISDecoder(options);
+};
+
+//
+// 13. Legacy multi-byte Korean encodings
+//
+
+// 13.1 euc-kr
+
+/**
+ * @constructor
+ * @param {{fatal: boolean}} options
+ */
+function EUCKRDecoder(options) {
+  var fatal = options.fatal;
+  var /** @type {number} */ euckr_lead = 0x00;
+  /**
+   * @param {ByteInputStream} byte_pointer The byte stream to decode.
+   * @return {?number} The next code point decoded, or null if not enough
+   *     data exists in the input stream to decode a complete code point.
+   */
+  this.decode = function(byte_pointer) {
+    var bite = byte_pointer.get();
+    if (bite === EOF_byte && euckr_lead === 0) {
+      return EOF_code_point;
+    }
+    if (bite === EOF_byte && euckr_lead !== 0) {
+      euckr_lead = 0x00;
+      return decoderError(fatal);
+    }
+    byte_pointer.offset(1);
+    if (euckr_lead !== 0x00) {
+      var lead = euckr_lead;
+      var pointer = null;
+      euckr_lead = 0x00;
+
+      if (inRange(lead, 0x81, 0xC6)) {
+        var temp = (26 + 26 + 126) * (lead - 0x81);
+        if (inRange(bite, 0x41, 0x5A)) {
+          pointer = temp + bite - 0x41;
+        } else if (inRange(bite, 0x61, 0x7A)) {
+          pointer = temp + 26 + bite - 0x61;
+        } else if (inRange(bite, 0x81, 0xFE)) {
+          pointer = temp + 26 + 26 + bite - 0x81;
+        }
+      }
+
+      if (inRange(lead, 0xC7, 0xFD) && inRange(bite, 0xA1, 0xFE)) {
+        pointer = (26 + 26 + 126) * (0xC7 - 0x81) + (lead - 0xC7) * 94 +
+            (bite - 0xA1);
+      }
+
+      var code_point = (pointer === null) ? null :
+          indexCodePointFor(pointer, indexes['euc-kr']);
+      if (pointer === null) {
+        byte_pointer.offset(-1);
+      }
+      if (code_point === null) {
+        return decoderError(fatal);
+      }
+      return code_point;
+    }
+
+    if (inRange(bite, 0x00, 0x7F)) {
+      return bite;
+    }
+
+    if (inRange(bite, 0x81, 0xFD)) {
+      euckr_lead = bite;
+      return null;
+    }
+
+    return decoderError(fatal);
+  };
+}
+
+/**
+ * @constructor
+ * @param {{fatal: boolean}} options
+ */
+function EUCKREncoder(options) {
+  var fatal = options.fatal;
+  /**
+   * @param {ByteOutputStream} output_byte_stream Output byte stream.
+   * @param {CodePointInputStream} code_point_pointer Input stream.
+   * @return {number} The last byte emitted.
+   */
+  this.encode = function(output_byte_stream, code_point_pointer) {
+    var code_point = code_point_pointer.get();
+    if (code_point === EOF_code_point) {
+      return EOF_byte;
+    }
+    code_point_pointer.offset(1);
+    if (inRange(code_point, 0x0000, 0x007F)) {
+      return output_byte_stream.emit(code_point);
+    }
+    var pointer = indexPointerFor(code_point, indexes['euc-kr']);
+    if (pointer === null) {
+      return encoderError(code_point);
+    }
+    var lead, trail;
+    if (pointer < ((26 + 26 + 126) * (0xC7 - 0x81))) {
+      lead = div(pointer, (26 + 26 + 126)) + 0x81;
+      trail = pointer % (26 + 26 + 126);
+      var offset = trail < 26 ? 0x41 : trail < 26 + 26 ? 0x47 : 0x4D;
+      return output_byte_stream.emit(lead, trail + offset);
+    }
+    pointer = pointer - (26 + 26 + 126) * (0xC7 - 0x81);
+    lead = div(pointer, 94) + 0xC7;
+    trail = pointer % 94 + 0xA1;
+    return output_byte_stream.emit(lead, trail);
+  };
+}
+
+/** @param {{fatal: boolean}} options */
+name_to_encoding['euc-kr'].getEncoder = function(options) {
+  return new EUCKREncoder(options);
+};
+/** @param {{fatal: boolean}} options */
+name_to_encoding['euc-kr'].getDecoder = function(options) {
+  return new EUCKRDecoder(options);
+};
+
+
+//
+// 14. Legacy miscellaneous encodings
+//
+
+// 14.1 replacement
+
+// Not needed - API throws TypeError
+
+// 14.2 utf-16
+
+/**
+ * @constructor
+ * @param {boolean} utf16_be True if big-endian, false if little-endian.
+ * @param {{fatal: boolean}} options
+ */
+function UTF16Decoder(utf16_be, options) {
+  var fatal = options.fatal;
+  var /** @type {?number} */ utf16_lead_byte = null,
+      /** @type {?number} */ utf16_lead_surrogate = null;
+  /**
+   * @param {ByteInputStream} byte_pointer The byte stream to decode.
+   * @return {?number} The next code point decoded, or null if not enough
+   *     data exists in the input stream to decode a complete code point.
+   */
+  this.decode = function(byte_pointer) {
+    var bite = byte_pointer.get();
+    if (bite === EOF_byte && utf16_lead_byte === null &&
+        utf16_lead_surrogate === null) {
+      return EOF_code_point;
+    }
+    if (bite === EOF_byte && (utf16_lead_byte !== null ||
+                              utf16_lead_surrogate !== null)) {
+      return decoderError(fatal);
+    }
+    byte_pointer.offset(1);
+    if (utf16_lead_byte === null) {
+      utf16_lead_byte = bite;
+      return null;
+    }
+    var code_point;
+    if (utf16_be) {
+      code_point = (utf16_lead_byte << 8) + bite;
+    } else {
+      code_point = (bite << 8) + utf16_lead_byte;
+    }
+    utf16_lead_byte = null;
+    if (utf16_lead_surrogate !== null) {
+      var lead_surrogate = utf16_lead_surrogate;
+      utf16_lead_surrogate = null;
+      if (inRange(code_point, 0xDC00, 0xDFFF)) {
+        return 0x10000 + (lead_surrogate - 0xD800) * 0x400 +
+            (code_point - 0xDC00);
+      }
+      byte_pointer.offset(-2);
+      return decoderError(fatal);
+    }
+    if (inRange(code_point, 0xD800, 0xDBFF)) {
+      utf16_lead_surrogate = code_point;
+      return null;
+    }
+    if (inRange(code_point, 0xDC00, 0xDFFF)) {
+      return decoderError(fatal);
+    }
+    return code_point;
+  };
+}
+
+/**
+ * @constructor
+ * @param {boolean} utf16_be True if big-endian, false if little-endian.
+ * @param {{fatal: boolean}} options
+ */
+function UTF16Encoder(utf16_be, options) {
+  var fatal = options.fatal;
+  /**
+   * @param {ByteOutputStream} output_byte_stream Output byte stream.
+   * @param {CodePointInputStream} code_point_pointer Input stream.
+   * @return {number} The last byte emitted.
+   */
+  this.encode = function(output_byte_stream, code_point_pointer) {
+    /**
+     * @param {number} code_unit
+     * @return {number} last byte emitted
+     */
+    function convert_to_bytes(code_unit) {
+      var byte1 = code_unit >> 8;
+      var byte2 = code_unit & 0x00FF;
+      if (utf16_be) {
+        return output_byte_stream.emit(byte1, byte2);
+      }
+      return output_byte_stream.emit(byte2, byte1);
+    }
+    var code_point = code_point_pointer.get();
+    if (code_point === EOF_code_point) {
+      return EOF_byte;
+    }
+    code_point_pointer.offset(1);
+    if (inRange(code_point, 0xD800, 0xDFFF)) {
+      encoderError(code_point);
+    }
+    if (code_point <= 0xFFFF) {
+      return convert_to_bytes(code_point);
+    }
+    var lead = div((code_point - 0x10000), 0x400) + 0xD800;
+    var trail = ((code_point - 0x10000) % 0x400) + 0xDC00;
+    convert_to_bytes(lead);
+    return convert_to_bytes(trail);
+  };
+}
+
+// 14.3 utf-16be
+/** @param {{fatal: boolean}} options */
+name_to_encoding['utf-16be'].getEncoder = function(options) {
+  return new UTF16Encoder(true, options);
+};
+/** @param {{fatal: boolean}} options */
+name_to_encoding['utf-16be'].getDecoder = function(options) {
+  return new UTF16Decoder(true, options);
+};
+
+// 14.4 utf-16le
+/** @param {{fatal: boolean}} options */
+name_to_encoding['utf-16le'].getEncoder = function(options) {
+  return new UTF16Encoder(false, options);
+};
+/** @param {{fatal: boolean}} options */
+name_to_encoding['utf-16le'].getDecoder = function(options) {
+  return new UTF16Decoder(false, options);
+};
+
+// 14.5 x-user-defined
+// TODO: Implement this encoding.
+
+// NOTE: currently unused
+/**
+ * @param {string} label The encoding label.
+ * @param {ByteInputStream} input_stream The byte stream to test.
+ */
+function detectEncoding(label, input_stream) {
+  if (input_stream.match([0xFF, 0xFE])) {
+    input_stream.offset(2);
+    return 'utf-16le';
+  }
+  if (input_stream.match([0xFE, 0xFF])) {
+    input_stream.offset(2);
+    return 'utf-16be';
+  }
+  if (input_stream.match([0xEF, 0xBB, 0xBF])) {
+    input_stream.offset(3);
+    return 'utf-8';
+  }
+  return label;
+}
+
+exports.TextEncoder = TextEncoder;
+exports.TextDecoder = TextDecoder;
+exports.encodingExists = getEncoding;

+var fs = require('fs'),
+    WritableStream = require('stream').Writable
+                     || require('readable-stream').Writable,
+    inherits = require('util').inherits;
+
+var parseParams = require('./utils').parseParams;
+
+function Busboy(opts) {
+  if (!(this instanceof Busboy))
+    return new Busboy(opts);
+  if (opts.highWaterMark !== undefined)
+    WritableStream.call(this, { highWaterMark: opts.highWaterMark });
+  else
+    WritableStream.call(this);
+
+  this._done = false;
+  this._parser = undefined;
+  this._finished = false;
+
+  this.opts = opts;
+  if (opts.headers && typeof opts.headers['content-type'] === 'string')
+    this.parseHeaders(opts.headers);
+  else
+    throw new Error('Missing Content-Type');
+}
+inherits(Busboy, WritableStream);
+
+Busboy.prototype.emit = function(ev) {
+  if (ev === 'finish') {
+    if (!this._done) {
+      this._parser && this._parser.end();
+      return;
+    } else if (this._finished) {
+      return;
+    }
+    this._finished = true;
+  }
+  WritableStream.prototype.emit.apply(this, arguments);
+};
+
+Busboy.prototype.parseHeaders = function(headers) {
+  this._parser = undefined;
+  if (headers['content-type']) {
+    var parsed = parseParams(headers['content-type']),
+        matched, type;
+    for (var i = 0; i < TYPES.length; ++i) {
+      type = TYPES[i];
+      if (typeof type.detect === 'function')
+        matched = type.detect(parsed);
+      else
+        matched = type.detect.test(parsed[0]);
+      if (matched)
+        break;
+    }
+    if (matched) {
+      var cfg = {
+        limits: this.opts.limits,
+        headers: headers,
+        parsedConType: parsed,
+        highWaterMark: undefined,
+        fileHwm: undefined,
+        defCharset: undefined,
+        preservePath: false
+      };
+      if (this.opts.highWaterMark)
+        cfg.highWaterMark = this.opts.highWaterMark;
+      if (this.opts.fileHwm)
+        cfg.fileHwm = this.opts.fileHwm;
+      cfg.defCharset = this.opts.defCharset;
+      cfg.preservePath = this.opts.preservePath;
+      this._parser = type(this, cfg);
+      return;
+    }
+  }
+  throw new Error('Unsupported content type: ' + headers['content-type']);
+};
+
+Busboy.prototype._write = function(chunk, encoding, cb) {
+  if (!this._parser)
+    return cb(new Error('Not ready to parse. Missing Content-Type?'));
+  this._parser.write(chunk, cb);
+};
+
+var TYPES = [
+  require('./types/multipart'),
+  require('./types/urlencoded'),
+];
+
+module.exports = Busboy;

+// TODO:
+//  * support 1 nested multipart level
+//    (see second multipart example here:
+//     http://www.w3.org/TR/html401/interact/forms.html#didx-multipartform-data)
+//  * support limits.fieldNameSize
+//     -- this will require modifications to utils.parseParams
+
+var ReadableStream = require('stream').Readable || require('readable-stream'),
+    inherits = require('util').inherits;
+
+var Dicer = require('dicer');
+
+var parseParams = require('../utils').parseParams,
+    decodeText = require('../utils').decodeText,
+    basename = require('../utils').basename;
+
+var RE_BOUNDARY = /^boundary$/i,
+    RE_FIELD = /^form-data$/i,
+    RE_CHARSET = /^charset$/i,
+    RE_FILENAME = /^filename$/i,
+    RE_NAME = /^name$/i;
+
+Multipart.detect = /^multipart\/form-data/i;
+function Multipart(boy, cfg) {
+  if (!(this instanceof Multipart))
+    return new Multipart(boy, cfg);
+  var i,
+      len,
+      self = this,
+      boundary,
+      limits = cfg.limits,
+      parsedConType = cfg.parsedConType || [],
+      defCharset = cfg.defCharset || 'utf8',
+      preservePath = cfg.preservePath,
+      fileopts = (typeof cfg.fileHwm === 'number'
+                  ? { highWaterMark: cfg.fileHwm }
+                  : {});
+
+  for (i = 0, len = parsedConType.length; i < len; ++i) {
+    if (Array.isArray(parsedConType[i])
+        && RE_BOUNDARY.test(parsedConType[i][0])) {
+      boundary = parsedConType[i][1];
+      break;
+    }
+  }
+
+  function checkFinished() {
+    if (nends === 0 && finished && !boy._done) {
+      finished = false;
+      process.nextTick(function() {
+        boy._done = true;
+        boy.emit('finish');
+      });
+    }
+  }
+
+  if (typeof boundary !== 'string')
+    throw new Error('Multipart: Boundary not found');
+
+  var fieldSizeLimit = (limits && typeof limits.fieldSize === 'number'
+                        ? limits.fieldSize
+                        : 1 * 1024 * 1024),
+      fileSizeLimit = (limits && typeof limits.fileSize === 'number'
+                       ? limits.fileSize
+                       : Infinity),
+      filesLimit = (limits && typeof limits.files === 'number'
+                    ? limits.files
+                    : Infinity),
+      fieldsLimit = (limits && typeof limits.fields === 'number'
+                     ? limits.fields
+                     : Infinity),
+      partsLimit = (limits && typeof limits.parts === 'number'
+                    ? limits.parts
+                    : Infinity);
+
+  var nfiles = 0,
+      nfields = 0,
+      nends = 0,
+      curFile,
+      curField,
+      finished = false;
+
+  this._needDrain = false;
+  this._pause = false;
+  this._cb = undefined;
+  this._nparts = 0;
+  this._boy = boy;
+
+  var parserCfg = {
+    boundary: boundary,
+    maxHeaderPairs: (limits && limits.headerPairs)
+  };
+  if (fileopts.highWaterMark)
+    parserCfg.partHwm = fileopts.highWaterMark;
+  if (cfg.highWaterMark)
+    parserCfg.highWaterMark = cfg.highWaterMark;
+
+  this.parser = new Dicer(parserCfg);
+  this.parser.on('drain', function() {
+    self._needDrain = false;
+    if (self._cb && !self._pause) {
+      var cb = self._cb;
+      self._cb = undefined;
+      cb();
+    }
+  }).on('part', function onPart(part) {
+    if (++self._nparts > partsLimit) {
+      self.parser.removeListener('part', onPart);
+      self.parser.on('part', skipPart);
+      boy.hitPartsLimit = true;
+      boy.emit('partsLimit');
+      return skipPart(part);
+    }
+
+    // hack because streams2 _always_ doesn't emit 'end' until nextTick, so let
+    // us emit 'end' early since we know the part has ended if we are already
+    // seeing the next part
+    if (curField) {
+      var field = curField;
+      field.emit('end');
+      field.removeAllListeners('end');
+    }
+
+    part.on('header', function(header) {
+      var contype,
+          fieldname,
+          parsed,
+          charset,
+          encoding,
+          filename,
+          nsize = 0;
+
+      if (header['content-type']) {
+        parsed = parseParams(header['content-type'][0]);
+        if (parsed[0]) {
+          contype = parsed[0].toLowerCase();
+          for (i = 0, len = parsed.length; i < len; ++i) {
+            if (RE_CHARSET.test(parsed[i][0])) {
+              charset = parsed[i][1].toLowerCase();
+              break;
+            }
+          }
+        }
+      }
+
+      if (contype === undefined)
+        contype = 'text/plain';
+      if (charset === undefined)
+        charset = defCharset;
+
+      if (header['content-disposition']) {
+        parsed = parseParams(header['content-disposition'][0]);
+        if (!RE_FIELD.test(parsed[0]))
+          return skipPart(part);
+        for (i = 0, len = parsed.length; i < len; ++i) {
+          if (RE_NAME.test(parsed[i][0])) {
+            fieldname = decodeText(parsed[i][1], 'binary', 'utf8');
+          } else if (RE_FILENAME.test(parsed[i][0])) {
+            filename = decodeText(parsed[i][1], 'binary', 'utf8');
+            if (!preservePath)
+              filename = basename(filename);
+          }
+        }
+      } else
+        return skipPart(part);
+
+      if (header['content-transfer-encoding'])
+        encoding = header['content-transfer-encoding'][0].toLowerCase();
+      else
+        encoding = '7bit';
+
+      var onData,
+          onEnd;
+      if (contype === 'application/octet-stream' || filename !== undefined) {
+        // file/binary field
+        if (nfiles === filesLimit) {
+          if (!boy.hitFilesLimit) {
+            boy.hitFilesLimit = true;
+            boy.emit('filesLimit');
+          }
+          return skipPart(part);
+        }
+
+        ++nfiles;
+
+        if (!boy._events.file) {
+          self.parser._ignore();
+          return;
+        }
+
+        ++nends;
+        var file = new FileStream(fileopts);
+        curFile = file;
+        file.on('end', function() {
+          --nends;
+          checkFinished();
+          if (self._cb && !self._needDrain) {
+            var cb = self._cb;
+            self._cb = undefined;
+            cb();
+          }
+        });
+        file._read = function(n) {
+          if (!self._pause)
+            return;
+          self._pause = false;
+          if (self._cb && !self._needDrain) {
+            var cb = self._cb;
+            self._cb = undefined;
+            cb();
+          }
+        };
+        boy.emit('file', fieldname, file, filename, encoding, contype);
+
+        onData = function(data) {
+          if ((nsize += data.length) > fileSizeLimit) {
+            var extralen = (fileSizeLimit - (nsize - data.length));
+            if (extralen > 0)
+              file.push(data.slice(0, extralen));
+            file.emit('limit');
+            file.truncated = true;
+            part.removeAllListeners('data');
+          } else if (!file.push(data))
+            self._pause = true;
+        };
+
+        onEnd = function() {
+          curFile = undefined;
+          file.push(null);
+        };
+      } else {
+        // non-file field
+        if (nfields === fieldsLimit) {
+          if (!boy.hitFieldsLimit) {
+            boy.hitFieldsLimit = true;
+            boy.emit('fieldsLimit');
+          }
+          return skipPart(part);
+        }
+
+        ++nfields;
+        ++nends;
+        var buffer = '',
+            truncated = false;
+        curField = part;
+
+        onData = function(data) {
+          if ((nsize += data.length) > fieldSizeLimit) {
+            var extralen = (fieldSizeLimit - (nsize - data.length));
+            buffer += data.toString('binary', 0, extralen);
+            truncated = true;
+            part.removeAllListeners('data');
+          } else
+            buffer += data.toString('binary');
+        };
+
+        onEnd = function() {
+          curField = undefined;
+          if (buffer.length)
+            buffer = decodeText(buffer, 'binary', charset);
+          boy.emit('field', fieldname, buffer, false, truncated, encoding, contype);
+          --nends;
+          checkFinished();
+        };
+      }
+
+      /* As of node@2efe4ab761666 (v0.10.29+/v0.11.14+), busboy had become
+         broken. Streams2/streams3 is a huge black box of confusion, but
+         somehow overriding the sync state seems to fix things again (and still
+         seems to work for previous node versions).
+      */
+      part._readableState.sync = false;
+
+      part.on('data', onData);
+      part.on('end', onEnd);
+    }).on('error', function(err) {
+      if (curFile)
+        curFile.emit('error', err);
+    });
+  }).on('error', function(err) {
+    boy.emit('error', err);
+  }).on('finish', function() {
+    finished = true;
+    checkFinished();
+  });
+}
+
+Multipart.prototype.write = function(chunk, cb) {
+  var r;
+  if ((r = this.parser.write(chunk)) && !this._pause)
+    cb();
+  else {
+    this._needDrain = !r;
+    this._cb = cb;
+  }
+};
+
+Multipart.prototype.end = function() {
+  var self = this;
+  if (this._nparts === 0 && !self._boy._done) {
+    process.nextTick(function() {
+      self._boy._done = true;
+      self._boy.emit('finish');
+    });
+  } else if (this.parser.writable)
+    this.parser.end();
+};
+
+function skipPart(part) {
+  part.resume();
+}
+
+function FileStream(opts) {
+  if (!(this instanceof FileStream))
+    return new FileStream(opts);
+  ReadableStream.call(this, opts);
+
+  this.truncated = false;
+}
+inherits(FileStream, ReadableStream);
+
+FileStream.prototype._read = function(n) {};
+
+module.exports = Multipart;

+var Decoder = require('../utils').Decoder,
+    decodeText = require('../utils').decodeText;
+
+var RE_CHARSET = /^charset$/i;
+
+UrlEncoded.detect = /^application\/x-www-form-urlencoded/i;
+function UrlEncoded(boy, cfg) {
+  if (!(this instanceof UrlEncoded))
+    return new UrlEncoded(boy, cfg);
+  var limits = cfg.limits,
+      headers = cfg.headers,
+      parsedConType = cfg.parsedConType;
+  this.boy = boy;
+
+  this.fieldSizeLimit = (limits && typeof limits.fieldSize === 'number'
+                         ? limits.fieldSize
+                         : 1 * 1024 * 1024);
+  this.fieldNameSizeLimit = (limits && typeof limits.fieldNameSize === 'number'
+                             ? limits.fieldNameSize
+                             : 100);
+  this.fieldsLimit = (limits && typeof limits.fields === 'number'
+                      ? limits.fields
+                      : Infinity);
+
+  var charset;
+  for (var i = 0, len = parsedConType.length; i < len; ++i) {
+    if (Array.isArray(parsedConType[i])
+        && RE_CHARSET.test(parsedConType[i][0])) {
+      charset = parsedConType[i][1].toLowerCase();
+      break;
+    }
+  }
+
+  if (charset === undefined)
+    charset = cfg.defCharset || 'utf8';
+
+  this.decoder = new Decoder();
+  this.charset = charset;
+  this._fields = 0;
+  this._state = 'key';
+  this._checkingBytes = true;
+  this._bytesKey = 0;
+  this._bytesVal = 0;
+  this._key = '';
+  this._val = '';
+  this._keyTrunc = false;
+  this._valTrunc = false;
+  this._hitlimit = false;
+}
+
+UrlEncoded.prototype.write = function(data, cb) {
+  if (this._fields === this.fieldsLimit) {
+    if (!this.boy.hitFieldsLimit) {
+      this.boy.hitFieldsLimit = true;
+      this.boy.emit('fieldsLimit');
+    }
+    return cb();
+  }
+
+  var idxeq, idxamp, i, p = 0, len = data.length;
+
+  while (p < len) {
+    if (this._state === 'key') {
+      idxeq = idxamp = undefined;
+      for (i = p; i < len; ++i) {
+        if (!this._checkingBytes)
+          ++p;
+        if (data[i] === 0x3D/*=*/) {
+          idxeq = i;
+          break;
+        } else if (data[i] === 0x26/*&*/) {
+          idxamp = i;
+          break;
+        }
+        if (this._checkingBytes && this._bytesKey === this.fieldNameSizeLimit) {
+          this._hitLimit = true;
+          break;
+        } else if (this._checkingBytes)
+          ++this._bytesKey;
+      }
+
+      if (idxeq !== undefined) {
+        // key with assignment
+        if (idxeq > p)
+          this._key += this.decoder.write(data.toString('binary', p, idxeq));
+        this._state = 'val';
+
+        this._hitLimit = false;
+        this._checkingBytes = true;
+        this._val = '';
+        this._bytesVal = 0;
+        this._valTrunc = false;
+        this.decoder.reset();
+
+        p = idxeq + 1;
+      } else if (idxamp !== undefined) {
+        // key with no assignment
+        ++this._fields;
+        var key, keyTrunc = this._keyTrunc;
+        if (idxamp > p)
+          key = (this._key += this.decoder.write(data.toString('binary', p, idxamp)));
+        else
+          key = this._key;
+
+        this._hitLimit = false;
+        this._checkingBytes = true;
+        this._key = '';
+        this._bytesKey = 0;
+        this._keyTrunc = false;
+        this.decoder.reset();
+
+        if (key.length) {
+          this.boy.emit('field', decodeText(key, 'binary', this.charset),
+                                 '',
+                                 keyTrunc,
+                                 false);
+        }
+
+        p = idxamp + 1;
+        if (this._fields === this.fieldsLimit)
+          return cb();
+      } else if (this._hitLimit) {
+        // we may not have hit the actual limit if there are encoded bytes...
+        if (i > p)
+          this._key += this.decoder.write(data.toString('binary', p, i));
+        p = i;
+        if ((this._bytesKey = this._key.length) === this.fieldNameSizeLimit) {
+          // yep, we actually did hit the limit
+          this._checkingBytes = false;
+          this._keyTrunc = true;
+        }
+      } else {
+        if (p < len)
+          this._key += this.decoder.write(data.toString('binary', p));
+        p = len;
+      }
+    } else {
+      idxamp = undefined;
+      for (i = p; i < len; ++i) {
+        if (!this._checkingBytes)
+          ++p;
+        if (data[i] === 0x26/*&*/) {
+          idxamp = i;
+          break;
+        }
+        if (this._checkingBytes && this._bytesVal === this.fieldSizeLimit) {
+          this._hitLimit = true;
+          break;
+        }
+        else if (this._checkingBytes)
+          ++this._bytesVal;
+      }
+
+      if (idxamp !== undefined) {
+        ++this._fields;
+        if (idxamp > p)
+          this._val += this.decoder.write(data.toString('binary', p, idxamp));
+        this.boy.emit('field', decodeText(this._key, 'binary', this.charset),
+                               decodeText(this._val, 'binary', this.charset),
+                               this._keyTrunc,
+                               this._valTrunc);
+        this._state = 'key';
+
+        this._hitLimit = false;
+        this._checkingBytes = true;
+        this._key = '';
+        this._bytesKey = 0;
+        this._keyTrunc = false;
+        this.decoder.reset();
+
+        p = idxamp + 1;
+        if (this._fields === this.fieldsLimit)
+          return cb();
+      } else if (this._hitLimit) {
+        // we may not have hit the actual limit if there are encoded bytes...
+        if (i > p)
+          this._val += this.decoder.write(data.toString('binary', p, i));
+        p = i;
+        if ((this._val === '' && this.fieldSizeLimit === 0)
+            || (this._bytesVal = this._val.length) === this.fieldSizeLimit) {
+          // yep, we actually did hit the limit
+          this._checkingBytes = false;
+          this._valTrunc = true;
+        }
+      } else {
+        if (p < len)
+          this._val += this.decoder.write(data.toString('binary', p));
+        p = len;
+      }
+    }
+  }
+  cb();
+};
+
+UrlEncoded.prototype.end = function() {
+  if (this.boy._done)
+    return;
+
+  if (this._state === 'key' && this._key.length > 0) {
+    this.boy.emit('field', decodeText(this._key, 'binary', this.charset),
+                           '',
+                           this._keyTrunc,
+                           false);
+  } else if (this._state === 'val') {
+    this.boy.emit('field', decodeText(this._key, 'binary', this.charset),
+                           decodeText(this._val, 'binary', this.charset),
+                           this._keyTrunc,
+                           this._valTrunc);
+  }
+  this.boy._done = true;
+  this.boy.emit('finish');
+};
+
+module.exports = UrlEncoded;

+var jsencoding = require('../deps/encoding/encoding');
+
+var RE_ENCODED = /%([a-fA-F0-9]{2})/g;
+function encodedReplacer(match, byte) {
+  return String.fromCharCode(parseInt(byte, 16));
+}
+function parseParams(str) {
+  var res = [],
+      state = 'key',
+      charset = '',
+      inquote = false,
+      escaping = false,
+      p = 0,
+      tmp = '';
+
+  for (var i = 0, len = str.length; i < len; ++i) {
+    if (str[i] === '\\' && inquote) {
+      if (escaping)
+        escaping = false;
+      else {
+        escaping = true;
+        continue;
+      }
+    } else if (str[i] === '"') {
+      if (!escaping) {
+        if (inquote) {
+          inquote = false;
+          state = 'key';
+        } else
+          inquote = true;
+        continue;
+      } else
+        escaping = false;
+    } else {
+      if (escaping && inquote)
+        tmp += '\\';
+      escaping = false;
+      if ((state === 'charset' || state === 'lang') && str[i] === "'") {
+        if (state === 'charset') {
+          state = 'lang';
+          charset = tmp.substring(1);
+        } else
+          state = 'value';
+        tmp = '';
+        continue;
+      } else if (state === 'key'
+                 && (str[i] === '*' || str[i] === '=')
+                 && res.length) {
+        if (str[i] === '*')
+          state = 'charset';
+        else
+          state = 'value';
+        res[p] = [tmp, undefined];
+        tmp = '';
+        continue;
+      } else if (!inquote && str[i] === ';') {
+        state = 'key';
+        if (charset) {
+          if (tmp.length) {
+            tmp = decodeText(tmp.replace(RE_ENCODED, encodedReplacer),
+                             'binary',
+                             charset);
+          }
+          charset = '';
+        }
+        if (res[p] === undefined)
+          res[p] = tmp;
+        else
+          res[p][1] = tmp;
+        tmp = '';
+        ++p;
+        continue;
+      } else if (!inquote && (str[i] === ' ' || str[i] === '\t'))
+        continue;
+    }
+    tmp += str[i];
+  }
+  if (charset && tmp.length) {
+    tmp = decodeText(tmp.replace(RE_ENCODED, encodedReplacer),
+                     'binary',
+                     charset);
+  }
+
+  if (res[p] === undefined) {
+    if (tmp)
+      res[p] = tmp;
+  } else
+    res[p][1] = tmp;
+
+  return res;
+};
+exports.parseParams = parseParams;
+
+
+function decodeText(text, textEncoding, destEncoding) {
+  var ret;
+  if (text && jsencoding.encodingExists(destEncoding)) {
+    try {
+      ret = jsencoding.TextDecoder(destEncoding)
+                      .decode(new Buffer(text, textEncoding));
+    } catch(e) {}
+  }
+  return (typeof ret === 'string' ? ret : text);
+}
+exports.decodeText = decodeText;
+
+
+var HEX = [
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
+  0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+], RE_PLUS = /\+/g;
+function Decoder() {
+  this.buffer = undefined;
+}
+Decoder.prototype.write = function(str) {
+  // Replace '+' with ' ' before decoding
+  str = str.replace(RE_PLUS, ' ');
+  var res = '';
+  var i = 0, p = 0, len = str.length;
+  for (; i < len; ++i) {
+    if (this.buffer !== undefined) {
+      if (!HEX[str.charCodeAt(i)]) {
+        res += '%' + this.buffer;
+        this.buffer = undefined;
+        --i; // retry character
+      } else {
+        this.buffer += str[i];
+        ++p;
+        if (this.buffer.length === 2) {
+          res += String.fromCharCode(parseInt(this.buffer, 16));
+          this.buffer = undefined;
+        }
+      }
+    } else if (str[i] === '%') {
+      if (i > p) {
+        res += str.substring(p, i);
+        p = i;
+      }
+      this.buffer = '';
+      ++p;
+    }
+  }
+  if (p < len && this.buffer === undefined)
+    res += str.substring(p);
+  return res;
+};
+Decoder.prototype.reset = function() {
+  this.buffer = undefined;
+};
+exports.Decoder = Decoder;
+
+
+var RE_SPLIT_POSIX =
+      /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/,
+    RE_SPLIT_DEVICE =
+      /^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?([\\\/])?([\s\S]*?)$/,
+    RE_SPLIT_WINDOWS =
+      /^([\s\S]*?)((?:\.{1,2}|[^\\\/]+?|)(\.[^.\/\\]*|))(?:[\\\/]*)$/;
+function splitPathPosix(filename) {
+  return RE_SPLIT_POSIX.exec(filename).slice(1);
+}
+function splitPathWindows(filename) {
+  // Separate device+slash from tail
+  var result = RE_SPLIT_DEVICE.exec(filename),
+      device = (result[1] || '') + (result[2] || ''),
+      tail = result[3] || '';
+  // Split the tail into dir, basename and extension
+  var result2 = RE_SPLIT_WINDOWS.exec(tail),
+      dir = result2[1],
+      basename = result2[2],
+      ext = result2[3];
+  return [device, dir, basename, ext];
+}
+function basename(path) {
+  var f = splitPathPosix(path)[2];
+  if (f === path)
+    f = splitPathWindows(path)[2];
+  return f;
+}
+exports.basename = basename;
\ No newline at end of file

+{
+  "_from": "busboy@^0.2.11",
+  "_id": "busboy@0.2.14",
+  "_inBundle": false,
+  "_integrity": "sha1-bCpiLvz0fFe7vh4qnDetNseSVFM=",
+  "_location": "/busboy",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "busboy@^0.2.11",
+    "name": "busboy",
+    "escapedName": "busboy",
+    "rawSpec": "^0.2.11",
+    "saveSpec": null,
+    "fetchSpec": "^0.2.11"
+  },
+  "_requiredBy": [
+    "/multer"
+  ],
+  "_resolved": "https://registry.npmjs.org/busboy/-/busboy-0.2.14.tgz",
+  "_shasum": "6c2a622efcf47c57bbbe1e2a9c37ad36c7925453",
+  "_spec": "busboy@^0.2.11",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\multer",
+  "author": {
+    "name": "Brian White",
+    "email": "mscdex@mscdex.net"
+  },
+  "bugs": {
+    "url": "https://github.com/mscdex/busboy/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "dicer": "0.2.5",
+    "readable-stream": "1.1.x"
+  },
+  "deprecated": false,
+  "description": "A streaming parser for HTML form data for node.js",
+  "engines": {
+    "node": ">=0.8.0"
+  },
+  "homepage": "https://github.com/mscdex/busboy#readme",
+  "keywords": [
+    "uploads",
+    "forms",
+    "multipart",
+    "form-data"
+  ],
+  "licenses": [
+    {
+      "type": "MIT",
+      "url": "http://github.com/mscdex/busboy/raw/master/LICENSE"
+    }
+  ],
+  "main": "./lib/main",
+  "name": "busboy",
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/mscdex/busboy.git"
+  },
+  "scripts": {
+    "test": "node test/test.js"
+  },
+  "version": "0.2.14"
+}

+var Busboy = require('..');
+
+var path = require('path'),
+    inspect = require('util').inspect,
+    assert = require('assert');
+
+var EMPTY_FN = function() {};
+
+var t = 0,
+    group = path.basename(__filename, '.js') + '/';
+var tests = [
+  { source: [
+      ['-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="file_name_0"',
+       '',
+       'super alpha file',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="file_name_1"',
+       '',
+       'super beta file',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="upload_file_0"; filename="1k_a.dat"',
+       'Content-Type: application/octet-stream',
+       '',
+       'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="upload_file_1"; filename="1k_b.dat"',
+       'Content-Type: application/octet-stream',
+       '',
+       'BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k--'
+      ].join('\r\n')
+    ],
+    boundary: '---------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+    expected: [
+      ['field', 'file_name_0', 'super alpha file', false, false, '7bit', 'text/plain'],
+      ['field', 'file_name_1', 'super beta file', false, false, '7bit', 'text/plain'],
+      ['file', 'upload_file_0', 1023, 0, '1k_a.dat', '7bit', 'application/octet-stream'],
+      ['file', 'upload_file_1', 1023, 0, '1k_b.dat', '7bit', 'application/octet-stream']
+    ],
+    what: 'Fields and files'
+  },
+  { source: [
+      ['------WebKitFormBoundaryTB2MiQ36fnSJlrhY',
+       'Content-Disposition: form-data; name="cont"',
+       '',
+       'some random content',
+       '------WebKitFormBoundaryTB2MiQ36fnSJlrhY',
+       'Content-Disposition: form-data; name="pass"',
+       '',
+       'some random pass',
+       '------WebKitFormBoundaryTB2MiQ36fnSJlrhY',
+       'Content-Disposition: form-data; name="bit"',
+       '',
+       '2',
+       '------WebKitFormBoundaryTB2MiQ36fnSJlrhY--'
+      ].join('\r\n')
+    ],
+    boundary: '----WebKitFormBoundaryTB2MiQ36fnSJlrhY',
+    expected: [
+      ['field', 'cont', 'some random content', false, false, '7bit', 'text/plain'],
+      ['field', 'pass', 'some random pass', false, false, '7bit', 'text/plain'],
+      ['field', 'bit', '2', false, false, '7bit', 'text/plain']
+    ],
+    what: 'Fields only'
+  },
+  { source: [
+      ''
+    ],
+    boundary: '----WebKitFormBoundaryTB2MiQ36fnSJlrhY',
+    expected: [],
+    what: 'No fields and no files'
+  },
+  { source: [
+      ['-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="file_name_0"',
+       '',
+       'super alpha file',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="upload_file_0"; filename="1k_a.dat"',
+       'Content-Type: application/octet-stream',
+       '',
+       'ABCDEFGHIJKLMNOPQRSTUVWXYZ',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k--'
+      ].join('\r\n')
+    ],
+    boundary: '---------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+    limits: {
+      fileSize: 13,
+      fieldSize: 5
+    },
+    expected: [
+      ['field', 'file_name_0', 'super', false, true, '7bit', 'text/plain'],
+      ['file', 'upload_file_0', 13, 2, '1k_a.dat', '7bit', 'application/octet-stream']
+    ],
+    what: 'Fields and files (limits)'
+  },
+  { source: [
+      ['-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="file_name_0"',
+       '',
+       'super alpha file',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="upload_file_0"; filename="1k_a.dat"',
+       'Content-Type: application/octet-stream',
+       '',
+       'ABCDEFGHIJKLMNOPQRSTUVWXYZ',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k--'
+      ].join('\r\n')
+    ],
+    boundary: '---------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+    limits: {
+      files: 0
+    },
+    expected: [
+      ['field', 'file_name_0', 'super alpha file', false, false, '7bit', 'text/plain']
+    ],
+    what: 'Fields and files (limits: 0 files)'
+  },
+  { source: [
+      ['-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="file_name_0"',
+       '',
+       'super alpha file',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="file_name_1"',
+       '',
+       'super beta file',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="upload_file_0"; filename="1k_a.dat"',
+       'Content-Type: application/octet-stream',
+       '',
+       'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="upload_file_1"; filename="1k_b.dat"',
+       'Content-Type: application/octet-stream',
+       '',
+       'BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k--'
+      ].join('\r\n')
+    ],
+    boundary: '---------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+    expected: [
+      ['field', 'file_name_0', 'super alpha file', false, false, '7bit', 'text/plain'],
+      ['field', 'file_name_1', 'super beta file', false, false, '7bit', 'text/plain'],
+    ],
+    events: ['field'],
+    what: 'Fields and (ignored) files'
+  },
+  { source: [
+      ['-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="upload_file_0"; filename="/tmp/1k_a.dat"',
+       'Content-Type: application/octet-stream',
+       '',
+       'ABCDEFGHIJKLMNOPQRSTUVWXYZ',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="upload_file_1"; filename="C:\\files\\1k_b.dat"',
+       'Content-Type: application/octet-stream',
+       '',
+       'ABCDEFGHIJKLMNOPQRSTUVWXYZ',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="upload_file_2"; filename="relative/1k_c.dat"',
+       'Content-Type: application/octet-stream',
+       '',
+       'ABCDEFGHIJKLMNOPQRSTUVWXYZ',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k--'
+      ].join('\r\n')
+    ],
+    boundary: '---------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+    expected: [
+      ['file', 'upload_file_0', 26, 0, '1k_a.dat', '7bit', 'application/octet-stream'],
+      ['file', 'upload_file_1', 26, 0, '1k_b.dat', '7bit', 'application/octet-stream'],
+      ['file', 'upload_file_2', 26, 0, '1k_c.dat', '7bit', 'application/octet-stream']
+    ],
+    what: 'Files with filenames containing paths'
+  },
+  { source: [
+      ['-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="upload_file_0"; filename="/absolute/1k_a.dat"',
+       'Content-Type: application/octet-stream',
+       '',
+       'ABCDEFGHIJKLMNOPQRSTUVWXYZ',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="upload_file_1"; filename="C:\\absolute\\1k_b.dat"',
+       'Content-Type: application/octet-stream',
+       '',
+       'ABCDEFGHIJKLMNOPQRSTUVWXYZ',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+       'Content-Disposition: form-data; name="upload_file_2"; filename="relative/1k_c.dat"',
+       'Content-Type: application/octet-stream',
+       '',
+       'ABCDEFGHIJKLMNOPQRSTUVWXYZ',
+       '-----------------------------paZqsnEHRufoShdX6fh0lUhXBP4k--'
+      ].join('\r\n')
+    ],
+    boundary: '---------------------------paZqsnEHRufoShdX6fh0lUhXBP4k',
+    preservePath: true,
+    expected: [
+      ['file', 'upload_file_0', 26, 0, '/absolute/1k_a.dat', '7bit', 'application/octet-stream'],
+      ['file', 'upload_file_1', 26, 0, 'C:\\absolute\\1k_b.dat', '7bit', 'application/octet-stream'],
+      ['file', 'upload_file_2', 26, 0, 'relative/1k_c.dat', '7bit', 'application/octet-stream']
+    ],
+    what: 'Paths to be preserved through the preservePath option'
+  },
+  { source: [
+      ['------WebKitFormBoundaryTB2MiQ36fnSJlrhY',
+       'Content-Disposition: form-data; name="cont"',
+       'Content-Type: ',
+       '',
+       'some random content',
+       '------WebKitFormBoundaryTB2MiQ36fnSJlrhY',
+       'Content-Disposition: ',
+       '',
+       'some random pass',
+       '------WebKitFormBoundaryTB2MiQ36fnSJlrhY--'
+      ].join('\r\n')
+    ],
+    boundary: '----WebKitFormBoundaryTB2MiQ36fnSJlrhY',
+    expected: [
+      ['field', 'cont', 'some random content', false, false, '7bit', 'text/plain']
+    ],
+    what: 'Empty content-type and empty content-disposition'
+  },
+  { source: [
+      ['--asdasdasdasd\r\n',
+       'Content-Type: text/plain\r\n',
+       'Content-Disposition: form-data; name="foo"\r\n',
+       '\r\n',
+       'asd\r\n',
+       '--asdasdasdasd--'
+      ].join(':)')
+    ],
+    boundary: 'asdasdasdasd',
+    expected: [],
+    shouldError: 'Unexpected end of multipart data',
+    what: 'Stopped mid-header'
+  },
+  { source: [
+      ['------WebKitFormBoundaryTB2MiQ36fnSJlrhY',
+       'Content-Disposition: form-data; name="cont"',
+       'Content-Type: application/json',
+       '',
+       '{}',
+       '------WebKitFormBoundaryTB2MiQ36fnSJlrhY--',
+      ].join('\r\n')
+    ],
+    boundary: '----WebKitFormBoundaryTB2MiQ36fnSJlrhY',
+    expected: [
+      ['field', 'cont', '{}', false, false, '7bit', 'application/json']
+    ],
+    what: 'content-type for fields'
+  },
+  { source: [
+      '------WebKitFormBoundaryTB2MiQ36fnSJlrhY--\r\n'
+    ],
+    boundary: '----WebKitFormBoundaryTB2MiQ36fnSJlrhY',
+    expected: [],
+    what: 'empty form'
+  }
+];
+
+function next() {
+  if (t === tests.length)
+    return;
+
+  var v = tests[t];
+
+  var busboy = new Busboy({
+        limits: v.limits,
+        preservePath: v.preservePath,
+        headers: {
+          'content-type': 'multipart/form-data; boundary=' + v.boundary
+        }
+      }),
+      finishes = 0,
+      results = [];
+
+  if (v.events === undefined || v.events.indexOf('field') > -1) {
+    busboy.on('field', function(key, val, keyTrunc, valTrunc, encoding, contype) {
+      results.push(['field', key, val, keyTrunc, valTrunc, encoding, contype]);
+    });
+  }
+  if (v.events === undefined || v.events.indexOf('file') > -1) {
+    busboy.on('file', function(fieldname, stream, filename, encoding, mimeType) {
+      var nb = 0,
+          info = ['file',
+                  fieldname,
+                  nb,
+                  0,
+                  filename,
+                  encoding,
+                  mimeType];
+      results.push(info);
+      stream.on('data', function(d) {
+        nb += d.length;
+      }).on('limit', function() {
+        ++info[3];
+      }).on('end', function() {
+        info[2] = nb;
+        if (stream.truncated)
+          ++info[3];
+      });
+    });
+  }
+  busboy.on('finish', function() {
+    assert(finishes++ === 0, makeMsg(v.what, 'finish emitted multiple times'));
+    assert.deepEqual(results.length,
+                     v.expected.length,
+                     makeMsg(v.what, 'Parsed result count mismatch. Saw '
+                                     + results.length
+                                     + '. Expected: ' + v.expected.length));
+
+    results.forEach(function(result, i) {
+      assert.deepEqual(result,
+                       v.expected[i],
+                       makeMsg(v.what,
+                               'Result mismatch:\nParsed: ' + inspect(result)
+                               + '\nExpected: ' + inspect(v.expected[i]))
+                      );
+    });
+    ++t;
+    next();
+  }).on('error', function(err) {
+    if (!v.shouldError || v.shouldError !== err.message)
+      assert(false, makeMsg(v.what, 'Unexpected error: ' + err));
+  });
+
+  v.source.forEach(function(s) {
+    busboy.write(new Buffer(s, 'utf8'), EMPTY_FN);
+  });
+  busboy.end();
+}
+next();
+
+function makeMsg(what, msg) {
+  return '[' + group + what + ']: ' + msg;
+}
+
+process.on('exit', function() {
+  assert(t === tests.length,
+         makeMsg('_exit',
+                 'Only finished ' + t + '/' + tests.length + ' tests'));
+});

+var Busboy = require('..');
+
+var path = require('path'),
+    inspect = require('util').inspect,
+    assert = require('assert');
+
+var EMPTY_FN = function() {};
+
+var t = 0,
+    group = path.basename(__filename, '.js') + '/';
+
+var tests = [
+  { source: ['foo'],
+    expected: [['foo', '', false, false]],
+    what: 'Unassigned value'
+  },
+  { source: ['foo=bar'],
+    expected: [['foo', 'bar', false, false]],
+    what: 'Assigned value'
+  },
+  { source: ['foo&bar=baz'],
+    expected: [['foo', '', false, false],
+               ['bar', 'baz', false, false]],
+    what: 'Unassigned and assigned value'
+  },
+  { source: ['foo=bar&baz'],
+    expected: [['foo', 'bar', false, false],
+               ['baz', '', false, false]],
+    what: 'Assigned and unassigned value'
+  },
+  { source: ['foo=bar&baz=bla'],
+    expected: [['foo', 'bar', false, false],
+               ['baz', 'bla', false, false]],
+    what: 'Two assigned values'
+  },
+  { source: ['foo&bar'],
+    expected: [['foo', '', false, false],
+               ['bar', '', false, false]],
+    what: 'Two unassigned values'
+  },
+  { source: ['foo&bar&'],
+    expected: [['foo', '', false, false],
+               ['bar', '', false, false]],
+    what: 'Two unassigned values and ampersand'
+  },
+  { source: ['foo=bar+baz%2Bquux'],
+    expected: [['foo', 'bar baz+quux', false, false]],
+    what: 'Assigned value with (plus) space'
+  },
+  { source: ['foo=bar%20baz%21'],
+    expected: [['foo', 'bar baz!', false, false]],
+    what: 'Assigned value with encoded bytes'
+  },
+  { source: ['foo%20bar=baz%20bla%21'],
+    expected: [['foo bar', 'baz bla!', false, false]],
+    what: 'Assigned value with encoded bytes #2'
+  },
+  { source: ['foo=bar%20baz%21&num=1000'],
+    expected: [['foo', 'bar baz!', false, false],
+               ['num', '1000', false, false]],
+    what: 'Two assigned values, one with encoded bytes'
+  },
+  { source: ['foo=bar&baz=bla'],
+    expected: [],
+    what: 'Limits: zero fields',
+    limits: { fields: 0 }
+  },
+  { source: ['foo=bar&baz=bla'],
+    expected: [['foo', 'bar', false, false]],
+    what: 'Limits: one field',
+    limits: { fields: 1 }
+  },
+  { source: ['foo=bar&baz=bla'],
+    expected: [['foo', 'bar', false, false],
+               ['baz', 'bla', false, false]],
+    what: 'Limits: field part lengths match limits',
+    limits: { fieldNameSize: 3, fieldSize: 3 }
+  },
+  { source: ['foo=bar&baz=bla'],
+    expected: [['fo', 'bar', true, false],
+               ['ba', 'bla', true, false]],
+    what: 'Limits: truncated field name',
+    limits: { fieldNameSize: 2 }
+  },
+  { source: ['foo=bar&baz=bla'],
+    expected: [['foo', 'ba', false, true],
+               ['baz', 'bl', false, true]],
+    what: 'Limits: truncated field value',
+    limits: { fieldSize: 2 }
+  },
+  { source: ['foo=bar&baz=bla'],
+    expected: [['fo', 'ba', true, true],
+               ['ba', 'bl', true, true]],
+    what: 'Limits: truncated field name and value',
+    limits: { fieldNameSize: 2, fieldSize: 2 }
+  },
+  { source: ['foo=bar&baz=bla'],
+    expected: [['fo', '', true, true],
+               ['ba', '', true, true]],
+    what: 'Limits: truncated field name and zero value limit',
+    limits: { fieldNameSize: 2, fieldSize: 0 }
+  },
+  { source: ['foo=bar&baz=bla'],
+    expected: [['', '', true, true],
+               ['', '', true, true]],
+    what: 'Limits: truncated zero field name and zero value limit',
+    limits: { fieldNameSize: 0, fieldSize: 0 }
+  },
+  { source: ['&'],
+    expected: [],
+    what: 'Ampersand'
+  },
+  { source: ['&&&&&'],
+    expected: [],
+    what: 'Many ampersands'
+  },
+  { source: ['='],
+    expected: [['', '', false, false]],
+    what: 'Assigned value, empty name and value'
+  },
+  { source: [''],
+    expected: [],
+    what: 'Nothing'
+  },
+];
+
+function next() {
+  if (t === tests.length)
+    return;
+
+  var v = tests[t];
+
+  var busboy = new Busboy({
+        limits: v.limits,
+        headers: {
+          'content-type': 'application/x-www-form-urlencoded; charset=utf-8'
+        }
+      }),
+      finishes = 0,
+      results = [];
+
+  busboy.on('field', function(key, val, keyTrunc, valTrunc) {
+    results.push([key, val, keyTrunc, valTrunc]);
+  });
+  busboy.on('file', function() {
+    throw new Error(makeMsg(v.what, 'Unexpected file'));
+  });
+  busboy.on('finish', function() {
+    assert(finishes++ === 0, makeMsg(v.what, 'finish emitted multiple times'));
+    assert.deepEqual(results.length,
+                     v.expected.length,
+                     makeMsg(v.what, 'Parsed result count mismatch. Saw '
+                                     + results.length
+                                     + '. Expected: ' + v.expected.length));
+
+    var i = 0;
+    results.forEach(function(result) {
+      assert.deepEqual(result,
+                       v.expected[i],
+                       makeMsg(v.what,
+                               'Result mismatch:\nParsed: ' + inspect(result)
+                               + '\nExpected: ' + inspect(v.expected[i]))
+                      );
+      ++i;
+    });
+    ++t;
+    next();
+  });
+
+  v.source.forEach(function(s) {
+    busboy.write(new Buffer(s, 'utf8'), EMPTY_FN);
+  });
+  busboy.end();
+}
+next();
+
+function makeMsg(what, msg) {
+  return '[' + group + what + ']: ' + msg;
+}
+
+process.on('exit', function() {
+  assert(t === tests.length, makeMsg('_exit', 'Only finished ' + t + '/' + tests.length + ' tests'));
+});

+var Decoder = require('../lib/utils').Decoder;
+
+var path = require('path'),
+    assert = require('assert');
+
+var group = path.basename(__filename, '.js') + '/';
+
+[
+  { source: ['Hello world'],
+    expected: 'Hello world',
+    what: 'No encoded bytes'
+  },
+  { source: ['Hello%20world'],
+    expected: 'Hello world',
+    what: 'One full encoded byte'
+  },
+  { source: ['Hello%20world%21'],
+    expected: 'Hello world!',
+    what: 'Two full encoded bytes'
+  },
+  { source: ['Hello%', '20world'],
+    expected: 'Hello world',
+    what: 'One full encoded byte split #1'
+  },
+  { source: ['Hello%2', '0world'],
+    expected: 'Hello world',
+    what: 'One full encoded byte split #2'
+  },
+  { source: ['Hello%20', 'world'],
+    expected: 'Hello world',
+    what: 'One full encoded byte (concat)'
+  },
+  { source: ['Hello%2Qworld'],
+    expected: 'Hello%2Qworld',
+    what: 'Malformed encoded byte #1'
+  },
+  { source: ['Hello%world'],
+    expected: 'Hello%world',
+    what: 'Malformed encoded byte #2'
+  },
+  { source: ['Hello+world'],
+    expected: 'Hello world',
+    what: 'Plus to space'
+  },
+  { source: ['Hello+world%21'],
+    expected: 'Hello world!',
+    what: 'Plus and encoded byte'
+  },
+  { source: ['5%2B5%3D10'],
+    expected: '5+5=10',
+    what: 'Encoded plus'
+  },
+  { source: ['5+%2B+5+%3D+10'],
+    expected: '5 + 5 = 10',
+    what: 'Spaces and encoded plus'
+  },
+].forEach(function(v) {
+  var dec = new Decoder(), result = '';
+  v.source.forEach(function(s) {
+    result += dec.write(s);
+  });
+  var msg = '[' + group + v.what + ']: decoded string mismatch.\n'
+            + 'Saw: ' + result + '\n'
+            + 'Expected: ' + v.expected;
+  assert.deepEqual(result, v.expected, msg);
+});

+var parseParams = require('../lib/utils').parseParams;
+
+var path = require('path'),
+    assert = require('assert'),
+    inspect = require('util').inspect;
+
+var group = path.basename(__filename, '.js') + '/';
+
+[
+  { source: 'video/ogg',
+    expected: ['video/ogg'],
+    what: 'No parameters'
+  },
+  { source: 'video/ogg;',
+    expected: ['video/ogg'],
+    what: 'No parameters (with separator)'
+  },
+  { source: 'video/ogg; ',
+    expected: ['video/ogg'],
+    what: 'No parameters (with separator followed by whitespace)'
+  },
+  { source: ';video/ogg',
+    expected: ['', 'video/ogg'],
+    what: 'Empty parameter'
+  },
+  { source: 'video/*',
+    expected: ['video/*'],
+    what: 'Subtype with asterisk'
+  },
+  { source: 'text/plain; encoding=utf8',
+    expected: ['text/plain', ['encoding', 'utf8']],
+    what: 'Unquoted'
+  },
+  { source: 'text/plain; encoding=',
+    expected: ['text/plain', ['encoding', '']],
+    what: 'Unquoted empty string'
+  },
+  { source: 'text/plain; encoding="utf8"',
+    expected: ['text/plain', ['encoding', 'utf8']],
+    what: 'Quoted'
+  },
+  { source: 'text/plain; greeting="hello \\"world\\""',
+    expected: ['text/plain', ['greeting', 'hello "world"']],
+    what: 'Quotes within quoted'
+  },
+  { source: 'text/plain; encoding=""',
+    expected: ['text/plain', ['encoding', '']],
+    what: 'Quoted empty string'
+  },
+  { source: 'text/plain; encoding="utf8";\t   foo=bar;test',
+    expected: ['text/plain', ['encoding', 'utf8'], ['foo', 'bar'], 'test'],
+    what: 'Multiple params with various spacing'
+  },
+  { source: "text/plain; filename*=iso-8859-1'en'%A3%20rates",
+    expected: ['text/plain', ['filename', '£ rates']],
+    what: 'Extended parameter (RFC 5987) with language'
+  },
+  { source: "text/plain; filename*=utf-8''%c2%a3%20and%20%e2%82%ac%20rates",
+    expected: ['text/plain', ['filename', '£ and € rates']],
+    what: 'Extended parameter (RFC 5987) without language'
+  },
+  { source: "text/plain; filename*=utf-8''%E6%B5%8B%E8%AF%95%E6%96%87%E6%A1%A3",
+    expected: ['text/plain', ['filename', '测试文档']],
+    what: 'Extended parameter (RFC 5987) without language #2'
+  },
+  { source: "text/plain; filename*=iso-8859-1'en'%A3%20rates; altfilename*=utf-8''%c2%a3%20and%20%e2%82%ac%20rates",
+    expected: ['text/plain', ['filename', '£ rates'], ['altfilename', '£ and € rates']],
+    what: 'Multiple extended parameters (RFC 5987) with mixed charsets'
+  },
+  { source: "text/plain; filename*=iso-8859-1'en'%A3%20rates; altfilename=\"foobarbaz\"",
+    expected: ['text/plain', ['filename', '£ rates'], ['altfilename', 'foobarbaz']],
+    what: 'Mixed regular and extended parameters (RFC 5987)'
+  },
+  { source: "text/plain; filename=\"foobarbaz\"; altfilename*=iso-8859-1'en'%A3%20rates",
+    expected: ['text/plain', ['filename', 'foobarbaz'], ['altfilename', '£ rates']],
+    what: 'Mixed regular and extended parameters (RFC 5987) #2'
+  },
+  { source: 'text/plain; filename="C:\\folder\\test.png"',
+    expected: ['text/plain', ['filename', 'C:\\folder\\test.png']],
+    what: 'Unescaped backslashes should be considered backslashes'
+  },
+  { source: 'text/plain; filename="John \\"Magic\\" Smith.png"',
+    expected: ['text/plain', ['filename', 'John "Magic" Smith.png']],
+    what: 'Escaped double-quotes should be considered double-quotes'
+  },
+  { source: 'multipart/form-data; charset=utf-8; boundary=0xKhTmLbOuNdArY',
+    expected: ['multipart/form-data', ['charset', 'utf-8'], ['boundary', '0xKhTmLbOuNdArY']],
+    what: 'Multiple non-quoted parameters'
+  },
+].forEach(function(v) {
+  var result = parseParams(v.source),
+      msg = '[' + group + v.what + ']: parsed parameters mismatch.\n'
+            + 'Saw: ' + inspect(result) + '\n'
+            + 'Expected: ' + inspect(v.expected);
+  assert.deepEqual(result, v.expected, msg);
+});

+require('fs').readdirSync(__dirname).forEach(function(f) {
+  if (f.substr(0, 5) === 'test-')
+    require('./' + f);
+});
\ No newline at end of file

+The MIT License
+
+Copyright (c) 2013 Max Ogden
+
+Permission is hereby granted, free of charge, 
+to any person obtaining a copy of this software and 
+associated documentation files (the "Software"), to 
+deal in the Software without restriction, including 
+without limitation the rights to use, copy, modify, 
+merge, publish, distribute, sublicense, and/or sell 
+copies of the Software, and to permit persons to whom 
+the Software is furnished to do so, 
+subject to the following conditions:
+
+The above copyright notice and this permission notice 
+shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR 
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file

+var Writable = require('readable-stream').Writable
+var inherits = require('inherits')
+var bufferFrom = require('buffer-from')
+
+if (typeof Uint8Array === 'undefined') {
+  var U8 = require('typedarray').Uint8Array
+} else {
+  var U8 = Uint8Array
+}
+
+function ConcatStream(opts, cb) {
+  if (!(this instanceof ConcatStream)) return new ConcatStream(opts, cb)
+
+  if (typeof opts === 'function') {
+    cb = opts
+    opts = {}
+  }
+  if (!opts) opts = {}
+
+  var encoding = opts.encoding
+  var shouldInferEncoding = false
+
+  if (!encoding) {
+    shouldInferEncoding = true
+  } else {
+    encoding =  String(encoding).toLowerCase()
+    if (encoding === 'u8' || encoding === 'uint8') {
+      encoding = 'uint8array'
+    }
+  }
+
+  Writable.call(this, { objectMode: true })
+
+  this.encoding = encoding
+  this.shouldInferEncoding = shouldInferEncoding
+
+  if (cb) this.on('finish', function () { cb(this.getBody()) })
+  this.body = []
+}
+
+module.exports = ConcatStream
+inherits(ConcatStream, Writable)
+
+ConcatStream.prototype._write = function(chunk, enc, next) {
+  this.body.push(chunk)
+  next()
+}
+
+ConcatStream.prototype.inferEncoding = function (buff) {
+  var firstBuffer = buff === undefined ? this.body[0] : buff;
+  if (Buffer.isBuffer(firstBuffer)) return 'buffer'
+  if (typeof Uint8Array !== 'undefined' && firstBuffer instanceof Uint8Array) return 'uint8array'
+  if (Array.isArray(firstBuffer)) return 'array'
+  if (typeof firstBuffer === 'string') return 'string'
+  if (Object.prototype.toString.call(firstBuffer) === "[object Object]") return 'object'
+  return 'buffer'
+}
+
+ConcatStream.prototype.getBody = function () {
+  if (!this.encoding && this.body.length === 0) return []
+  if (this.shouldInferEncoding) this.encoding = this.inferEncoding()
+  if (this.encoding === 'array') return arrayConcat(this.body)
+  if (this.encoding === 'string') return stringConcat(this.body)
+  if (this.encoding === 'buffer') return bufferConcat(this.body)
+  if (this.encoding === 'uint8array') return u8Concat(this.body)
+  return this.body
+}
+
+var isArray = Array.isArray || function (arr) {
+  return Object.prototype.toString.call(arr) == '[object Array]'
+}
+
+function isArrayish (arr) {
+  return /Array\]$/.test(Object.prototype.toString.call(arr))
+}
+
+function isBufferish (p) {
+  return typeof p === 'string' || isArrayish(p) || (p && typeof p.subarray === 'function')
+}
+
+function stringConcat (parts) {
+  var strings = []
+  var needsToString = false
+  for (var i = 0; i < parts.length; i++) {
+    var p = parts[i]
+    if (typeof p === 'string') {
+      strings.push(p)
+    } else if (Buffer.isBuffer(p)) {
+      strings.push(p)
+    } else if (isBufferish(p)) {
+      strings.push(bufferFrom(p))
+    } else {
+      strings.push(bufferFrom(String(p)))
+    }
+  }
+  if (Buffer.isBuffer(parts[0])) {
+    strings = Buffer.concat(strings)
+    strings = strings.toString('utf8')
+  } else {
+    strings = strings.join('')
+  }
+  return strings
+}
+
+function bufferConcat (parts) {
+  var bufs = []
+  for (var i = 0; i < parts.length; i++) {
+    var p = parts[i]
+    if (Buffer.isBuffer(p)) {
+      bufs.push(p)
+    } else if (isBufferish(p)) {
+      bufs.push(bufferFrom(p))
+    } else {
+      bufs.push(bufferFrom(String(p)))
+    }
+  }
+  return Buffer.concat(bufs)
+}
+
+function arrayConcat (parts) {
+  var res = []
+  for (var i = 0; i < parts.length; i++) {
+    res.push.apply(res, parts[i])
+  }
+  return res
+}
+
+function u8Concat (parts) {
+  var len = 0
+  for (var i = 0; i < parts.length; i++) {
+    if (typeof parts[i] === 'string') {
+      parts[i] = bufferFrom(parts[i])
+    }
+    len += parts[i].length
+  }
+  var u8 = new U8(len)
+  for (var i = 0, offset = 0; i < parts.length; i++) {
+    var part = parts[i]
+    for (var j = 0; j < part.length; j++) {
+      u8[offset++] = part[j]
+    }
+  }
+  return u8
+}

+node_modules

+language: node_js
+node_js:
+  - "0.8"
+  - "0.10"

+
+test:
+	@node_modules/.bin/tape test.js
+
+.PHONY: test
+

+
+# isarray
+
+`Array#isArray` for older browsers.
+
+[![build status](https://secure.travis-ci.org/juliangruber/isarray.svg)](http://travis-ci.org/juliangruber/isarray)
+[![downloads](https://img.shields.io/npm/dm/isarray.svg)](https://www.npmjs.org/package/isarray)
+
+[![browser support](https://ci.testling.com/juliangruber/isarray.png)
+](https://ci.testling.com/juliangruber/isarray)
+
+## Usage
+
+```js
+var isArray = require('isarray');
+
+console.log(isArray([])); // => true
+console.log(isArray({})); // => false
+```
+
+## Installation
+
+With [npm](http://npmjs.org) do
+
+```bash
+$ npm install isarray
+```
+
+Then bundle for the browser with
+[browserify](https://github.com/substack/browserify).
+
+With [component](http://component.io) do
+
+```bash
+$ component install juliangruber/isarray
+```
+
+## License
+
+(MIT)
+
+Copyright (c) 2013 Julian Gruber <julian@juliangruber.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

+{
+  "name" : "isarray",
+  "description" : "Array#isArray for older browsers",
+  "version" : "0.0.1",
+  "repository" : "juliangruber/isarray",
+  "homepage": "https://github.com/juliangruber/isarray",
+  "main" : "index.js",
+  "scripts" : [
+    "index.js"
+  ],
+  "dependencies" : {},
+  "keywords": ["browser","isarray","array"],
+  "author": {
+    "name": "Julian Gruber",
+    "email": "mail@juliangruber.com",
+    "url": "http://juliangruber.com"
+  },
+  "license": "MIT"
+}

+var toString = {}.toString;
+
+module.exports = Array.isArray || function (arr) {
+  return toString.call(arr) == '[object Array]';
+};

+{
+  "_from": "isarray@~1.0.0",
+  "_id": "isarray@1.0.0",
+  "_inBundle": false,
+  "_integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
+  "_location": "/concat-stream/isarray",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "isarray@~1.0.0",
+    "name": "isarray",
+    "escapedName": "isarray",
+    "rawSpec": "~1.0.0",
+    "saveSpec": null,
+    "fetchSpec": "~1.0.0"
+  },
+  "_requiredBy": [
+    "/concat-stream/readable-stream"
+  ],
+  "_resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+  "_shasum": "bb935d48582cba168c06834957a54a3e07124f11",
+  "_spec": "isarray@~1.0.0",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\concat-stream\\node_modules\\readable-stream",
+  "author": {
+    "name": "Julian Gruber",
+    "email": "mail@juliangruber.com",
+    "url": "http://juliangruber.com"
+  },
+  "bugs": {
+    "url": "https://github.com/juliangruber/isarray/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {},
+  "deprecated": false,
+  "description": "Array#isArray for older browsers",
+  "devDependencies": {
+    "tape": "~2.13.4"
+  },
+  "homepage": "https://github.com/juliangruber/isarray",
+  "keywords": [
+    "browser",
+    "isarray",
+    "array"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "name": "isarray",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/juliangruber/isarray.git"
+  },
+  "scripts": {
+    "test": "tape test.js"
+  },
+  "testling": {
+    "files": "test.js",
+    "browsers": [
+      "ie/8..latest",
+      "firefox/17..latest",
+      "firefox/nightly",
+      "chrome/22..latest",
+      "chrome/canary",
+      "opera/12..latest",
+      "opera/next",
+      "safari/5.1..latest",
+      "ipad/6.0..latest",
+      "iphone/6.0..latest",
+      "android-browser/4.2..latest"
+    ]
+  },
+  "version": "1.0.0"
+}

+var isArray = require('./');
+var test = require('tape');
+
+test('is array', function(t){
+  t.ok(isArray([]));
+  t.notOk(isArray({}));
+  t.notOk(isArray(null));
+  t.notOk(isArray(false));
+
+  var obj = {};
+  obj[0] = true;
+  t.notOk(isArray(obj));
+
+  var arr = [];
+  arr.foo = 'bar';
+  t.ok(isArray(arr));
+
+  t.end();
+});
+

+sudo: false
+language: node_js
+before_install:
+  - (test $NPM_LEGACY && npm install -g npm@2 && npm install -g npm@3) || true
+notifications:
+  email: false
+matrix:
+  fast_finish: true
+  include:
+  - node_js: '0.8'
+    env: NPM_LEGACY=true
+  - node_js: '0.10'
+    env: NPM_LEGACY=true
+  - node_js: '0.11'
+    env: NPM_LEGACY=true
+  - node_js: '0.12'
+    env: NPM_LEGACY=true
+  - node_js: 1
+    env: NPM_LEGACY=true
+  - node_js: 2
+    env: NPM_LEGACY=true
+  - node_js: 3
+    env: NPM_LEGACY=true
+  - node_js: 4
+  - node_js: 5
+  - node_js: 6
+  - node_js: 7
+  - node_js: 8
+  - node_js: 9
+script: "npm run test"
+env:
+  global:
+  - secure: rE2Vvo7vnjabYNULNyLFxOyt98BoJexDqsiOnfiD6kLYYsiQGfr/sbZkPMOFm9qfQG7pjqx+zZWZjGSswhTt+626C0t/njXqug7Yps4c3dFblzGfreQHp7wNX5TFsvrxd6dAowVasMp61sJcRnB2w8cUzoe3RAYUDHyiHktwqMc=
+  - secure: g9YINaKAdMatsJ28G9jCGbSaguXCyxSTy+pBO6Ch0Cf57ZLOTka3HqDj8p3nV28LUIHZ3ut5WO43CeYKwt4AUtLpBS3a0dndHdY6D83uY6b2qh5hXlrcbeQTq2cvw2y95F7hm4D1kwrgZ7ViqaKggRcEupAL69YbJnxeUDKWEdI=

+Node.js is licensed for use as follows:
+
+"""
+Copyright Node.js contributors. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""
+
+This license applies to parts of Node.js originating from the
+https://github.com/joyent/node repository:
+
+"""
+Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""

+# readable-stream
+
+***Node-core v8.11.1 streams for userland*** [![Build Status](https://travis-ci.org/nodejs/readable-stream.svg?branch=master)](https://travis-ci.org/nodejs/readable-stream)
+
+
+[![NPM](https://nodei.co/npm/readable-stream.png?downloads=true&downloadRank=true)](https://nodei.co/npm/readable-stream/)
+[![NPM](https://nodei.co/npm-dl/readable-stream.png?&months=6&height=3)](https://nodei.co/npm/readable-stream/)
+
+
+[![Sauce Test Status](https://saucelabs.com/browser-matrix/readable-stream.svg)](https://saucelabs.com/u/readable-stream)
+
+```bash
+npm install --save readable-stream
+```
+
+***Node-core streams for userland***
+
+This package is a mirror of the Streams2 and Streams3 implementations in
+Node-core.
+
+Full documentation may be found on the [Node.js website](https://nodejs.org/dist/v8.11.1/docs/api/stream.html).
+
+If you want to guarantee a stable streams base, regardless of what version of
+Node you, or the users of your libraries are using, use **readable-stream** *only* and avoid the *"stream"* module in Node-core, for background see [this blogpost](http://r.va.gg/2014/06/why-i-dont-use-nodes-core-stream-module.html).
+
+As of version 2.0.0 **readable-stream** uses semantic versioning.
+
+# Streams Working Group
+
+`readable-stream` is maintained by the Streams Working Group, which
+oversees the development and maintenance of the Streams API within
+Node.js. The responsibilities of the Streams Working Group include:
+
+* Addressing stream issues on the Node.js issue tracker.
+* Authoring and editing stream documentation within the Node.js project.
+* Reviewing changes to stream subclasses within the Node.js project.
+* Redirecting changes to streams from the Node.js project to this
+  project.
+* Assisting in the implementation of stream providers within Node.js.
+* Recommending versions of `readable-stream` to be included in Node.js.
+* Messaging about the future of streams to give the community advance
+  notice of changes.
+
+<a name="members"></a>
+## Team Members
+
+* **Chris Dickinson** ([@chrisdickinson](https://github.com/chrisdickinson)) &lt;christopher.s.dickinson@gmail.com&gt;
+  - Release GPG key: 9554F04D7259F04124DE6B476D5A82AC7E37093B
+* **Calvin Metcalf** ([@calvinmetcalf](https://github.com/calvinmetcalf)) &lt;calvin.metcalf@gmail.com&gt;
+  - Release GPG key: F3EF5F62A87FC27A22E643F714CE4FF5015AA242
+* **Rod Vagg** ([@rvagg](https://github.com/rvagg)) &lt;rod@vagg.org&gt;
+  - Release GPG key: DD8F2338BAE7501E3DD5AC78C273792F7D83545D
+* **Sam Newman** ([@sonewman](https://github.com/sonewman)) &lt;newmansam@outlook.com&gt;
+* **Mathias Buus** ([@mafintosh](https://github.com/mafintosh)) &lt;mathiasbuus@gmail.com&gt;
+* **Domenic Denicola** ([@domenic](https://github.com/domenic)) &lt;d@domenic.me&gt;
+* **Matteo Collina** ([@mcollina](https://github.com/mcollina)) &lt;matteo.collina@gmail.com&gt;
+  - Release GPG key: 3ABC01543F22DD2239285CDD818674489FBC127E
+* **Irina Shestak** ([@lrlna](https://github.com/lrlna)) &lt;shestak.irina@gmail.com&gt;

+# streams WG Meeting 2015-01-30
+
+## Links
+
+* **Google Hangouts Video**: http://www.youtube.com/watch?v=I9nDOSGfwZg
+* **GitHub Issue**: https://github.com/iojs/readable-stream/issues/106
+* **Original Minutes Google Doc**: https://docs.google.com/document/d/17aTgLnjMXIrfjgNaTUnHQO7m3xgzHR2VXBTmi03Qii4/
+
+## Agenda
+
+Extracted from https://github.com/iojs/readable-stream/labels/wg-agenda prior to meeting.
+
+* adopt a charter [#105](https://github.com/iojs/readable-stream/issues/105)
+* release and versioning strategy [#101](https://github.com/iojs/readable-stream/issues/101)
+* simpler stream creation [#102](https://github.com/iojs/readable-stream/issues/102)
+* proposal: deprecate implicit flowing of streams [#99](https://github.com/iojs/readable-stream/issues/99)
+
+## Minutes
+
+### adopt a charter
+
+* group: +1's all around
+
+### What versioning scheme should be adopted?
+* group: +1’s 3.0.0
+* domenic+group: pulling in patches from other sources where appropriate
+* mikeal: version independently, suggesting versions for io.js
+* mikeal+domenic: work with TC to notify in advance of changes
+simpler stream creation
+
+### streamline creation of streams
+* sam: streamline creation of streams
+* domenic: nice simple solution posted
+  but, we lose the opportunity to change the model
+  may not be backwards incompatible (double check keys)
+
+  **action item:** domenic will check
+
+### remove implicit flowing of streams on(‘data’)
+* add isFlowing / isPaused
+* mikeal: worrying that we’re documenting polyfill methods – confuses users
+* domenic: more reflective API is probably good, with warning labels for users
+* new section for mad scientists (reflective stream access)
+* calvin: name the “third state”
+* mikeal: maybe borrow the name from whatwg?
+* domenic: we’re missing the “third state”
+* consensus: kind of difficult to name the third state
+* mikeal: figure out differences in states / compat
+* mathias: always flow on data – eliminates third state
+  * explore what it breaks
+
+**action items:**
+* ask isaac for ability to list packages by what public io.js APIs they use (esp. Stream)
+* ask rod/build for infrastructure
+* **chris**: explore the “flow on data” approach
+* add isPaused/isFlowing
+* add new docs section
+* move isPaused to that section
+
+

+module.exports = require('./lib/_stream_duplex.js');

+module.exports = require('./readable').Duplex

+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// a duplex stream is just a stream that is both readable and writable.
+// Since JS doesn't have multiple prototypal inheritance, this class
+// prototypally inherits from Readable, and then parasitically from
+// Writable.
+
+'use strict';
+
+/*<replacement>*/
+
+var pna = require('process-nextick-args');
+/*</replacement>*/
+
+/*<replacement>*/
+var objectKeys = Object.keys || function (obj) {
+  var keys = [];
+  for (var key in obj) {
+    keys.push(key);
+  }return keys;
+};
+/*</replacement>*/
+
+module.exports = Duplex;
+
+/*<replacement>*/
+var util = Object.create(require('core-util-is'));
+util.inherits = require('inherits');
+/*</replacement>*/
+
+var Readable = require('./_stream_readable');
+var Writable = require('./_stream_writable');
+
+util.inherits(Duplex, Readable);
+
+{
+  // avoid scope creep, the keys array can then be collected
+  var keys = objectKeys(Writable.prototype);
+  for (var v = 0; v < keys.length; v++) {
+    var method = keys[v];
+    if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method];
+  }
+}
+
+function Duplex(options) {
+  if (!(this instanceof Duplex)) return new Duplex(options);
+
+  Readable.call(this, options);
+  Writable.call(this, options);
+
+  if (options && options.readable === false) this.readable = false;
+
+  if (options && options.writable === false) this.writable = false;
+
+  this.allowHalfOpen = true;
+  if (options && options.allowHalfOpen === false) this.allowHalfOpen = false;
+
+  this.once('end', onend);
+}
+
+Object.defineProperty(Duplex.prototype, 'writableHighWaterMark', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function () {
+    return this._writableState.highWaterMark;
+  }
+});
+
+// the no-half-open enforcer
+function onend() {
+  // if we allow half-open state, or if the writable side ended,
+  // then we're ok.
+  if (this.allowHalfOpen || this._writableState.ended) return;
+
+  // no more data can be written.
+  // But allow more writes to happen in this tick.
+  pna.nextTick(onEndNT, this);
+}
+
+function onEndNT(self) {
+  self.end();
+}
+
+Object.defineProperty(Duplex.prototype, 'destroyed', {
+  get: function () {
+    if (this._readableState === undefined || this._writableState === undefined) {
+      return false;
+    }
+    return this._readableState.destroyed && this._writableState.destroyed;
+  },
+  set: function (value) {
+    // we ignore the value if the stream
+    // has not been initialized yet
+    if (this._readableState === undefined || this._writableState === undefined) {
+      return;
+    }
+
+    // backward compatibility, the user is explicitly
+    // managing destroyed
+    this._readableState.destroyed = value;
+    this._writableState.destroyed = value;
+  }
+});
+
+Duplex.prototype._destroy = function (err, cb) {
+  this.push(null);
+  this.end();
+
+  pna.nextTick(cb, err);
+};
\ No newline at end of file

+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// a passthrough stream.
+// basically just the most minimal sort of Transform stream.
+// Every written chunk gets output as-is.
+
+'use strict';
+
+module.exports = PassThrough;
+
+var Transform = require('./_stream_transform');
+
+/*<replacement>*/
+var util = Object.create(require('core-util-is'));
+util.inherits = require('inherits');
+/*</replacement>*/
+
+util.inherits(PassThrough, Transform);
+
+function PassThrough(options) {
+  if (!(this instanceof PassThrough)) return new PassThrough(options);
+
+  Transform.call(this, options);
+}
+
+PassThrough.prototype._transform = function (chunk, encoding, cb) {
+  cb(null, chunk);
+};
\ No newline at end of file

+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+/*<replacement>*/
+
+var pna = require('process-nextick-args');
+/*</replacement>*/
+
+module.exports = Readable;
+
+/*<replacement>*/
+var isArray = require('isarray');
+/*</replacement>*/
+
+/*<replacement>*/
+var Duplex;
+/*</replacement>*/
+
+Readable.ReadableState = ReadableState;
+
+/*<replacement>*/
+var EE = require('events').EventEmitter;
+
+var EElistenerCount = function (emitter, type) {
+  return emitter.listeners(type).length;
+};
+/*</replacement>*/
+
+/*<replacement>*/
+var Stream = require('./internal/streams/stream');
+/*</replacement>*/
+
+/*<replacement>*/
+
+var Buffer = require('safe-buffer').Buffer;
+var OurUint8Array = global.Uint8Array || function () {};
+function _uint8ArrayToBuffer(chunk) {
+  return Buffer.from(chunk);
+}
+function _isUint8Array(obj) {
+  return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
+}
+
+/*</replacement>*/
+
+/*<replacement>*/
+var util = Object.create(require('core-util-is'));
+util.inherits = require('inherits');
+/*</replacement>*/
+
+/*<replacement>*/
+var debugUtil = require('util');
+var debug = void 0;
+if (debugUtil && debugUtil.debuglog) {
+  debug = debugUtil.debuglog('stream');
+} else {
+  debug = function () {};
+}
+/*</replacement>*/
+
+var BufferList = require('./internal/streams/BufferList');
+var destroyImpl = require('./internal/streams/destroy');
+var StringDecoder;
+
+util.inherits(Readable, Stream);
+
+var kProxyEvents = ['error', 'close', 'destroy', 'pause', 'resume'];
+
+function prependListener(emitter, event, fn) {
+  // Sadly this is not cacheable as some libraries bundle their own
+  // event emitter implementation with them.
+  if (typeof emitter.prependListener === 'function') return emitter.prependListener(event, fn);
+
+  // This is a hack to make sure that our error handler is attached before any
+  // userland ones.  NEVER DO THIS. This is here only because this code needs
+  // to continue to work with older versions of Node.js that do not include
+  // the prependListener() method. The goal is to eventually remove this hack.
+  if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]];
+}
+
+function ReadableState(options, stream) {
+  Duplex = Duplex || require('./_stream_duplex');
+
+  options = options || {};
+
+  // Duplex streams are both readable and writable, but share
+  // the same options object.
+  // However, some cases require setting options to different
+  // values for the readable and the writable sides of the duplex stream.
+  // These options can be provided separately as readableXXX and writableXXX.
+  var isDuplex = stream instanceof Duplex;
+
+  // object stream flag. Used to make read(n) ignore n and to
+  // make all the buffer merging and length checks go away
+  this.objectMode = !!options.objectMode;
+
+  if (isDuplex) this.objectMode = this.objectMode || !!options.readableObjectMode;
+
+  // the point at which it stops calling _read() to fill the buffer
+  // Note: 0 is a valid value, means "don't call _read preemptively ever"
+  var hwm = options.highWaterMark;
+  var readableHwm = options.readableHighWaterMark;
+  var defaultHwm = this.objectMode ? 16 : 16 * 1024;
+
+  if (hwm || hwm === 0) this.highWaterMark = hwm;else if (isDuplex && (readableHwm || readableHwm === 0)) this.highWaterMark = readableHwm;else this.highWaterMark = defaultHwm;
+
+  // cast to ints.
+  this.highWaterMark = Math.floor(this.highWaterMark);
+
+  // A linked list is used to store data chunks instead of an array because the
+  // linked list can remove elements from the beginning faster than
+  // array.shift()
+  this.buffer = new BufferList();
+  this.length = 0;
+  this.pipes = null;
+  this.pipesCount = 0;
+  this.flowing = null;
+  this.ended = false;
+  this.endEmitted = false;
+  this.reading = false;
+
+  // a flag to be able to tell if the event 'readable'/'data' is emitted
+  // immediately, or on a later tick.  We set this to true at first, because
+  // any actions that shouldn't happen until "later" should generally also
+  // not happen before the first read call.
+  this.sync = true;
+
+  // whenever we return null, then we set a flag to say
+  // that we're awaiting a 'readable' event emission.
+  this.needReadable = false;
+  this.emittedReadable = false;
+  this.readableListening = false;
+  this.resumeScheduled = false;
+
+  // has it been destroyed
+  this.destroyed = false;
+
+  // Crypto is kind of old and crusty.  Historically, its default string
+  // encoding is 'binary' so we have to make this configurable.
+  // Everything else in the universe uses 'utf8', though.
+  this.defaultEncoding = options.defaultEncoding || 'utf8';
+
+  // the number of writers that are awaiting a drain event in .pipe()s
+  this.awaitDrain = 0;
+
+  // if true, a maybeReadMore has been scheduled
+  this.readingMore = false;
+
+  this.decoder = null;
+  this.encoding = null;
+  if (options.encoding) {
+    if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
+    this.decoder = new StringDecoder(options.encoding);
+    this.encoding = options.encoding;
+  }
+}
+
+function Readable(options) {
+  Duplex = Duplex || require('./_stream_duplex');
+
+  if (!(this instanceof Readable)) return new Readable(options);
+
+  this._readableState = new ReadableState(options, this);
+
+  // legacy
+  this.readable = true;
+
+  if (options) {
+    if (typeof options.read === 'function') this._read = options.read;
+
+    if (typeof options.destroy === 'function') this._destroy = options.destroy;
+  }
+
+  Stream.call(this);
+}
+
+Object.defineProperty(Readable.prototype, 'destroyed', {
+  get: function () {
+    if (this._readableState === undefined) {
+      return false;
+    }
+    return this._readableState.destroyed;
+  },
+  set: function (value) {
+    // we ignore the value if the stream
+    // has not been initialized yet
+    if (!this._readableState) {
+      return;
+    }
+
+    // backward compatibility, the user is explicitly
+    // managing destroyed
+    this._readableState.destroyed = value;
+  }
+});
+
+Readable.prototype.destroy = destroyImpl.destroy;
+Readable.prototype._undestroy = destroyImpl.undestroy;
+Readable.prototype._destroy = function (err, cb) {
+  this.push(null);
+  cb(err);
+};
+
+// Manually shove something into the read() buffer.
+// This returns true if the highWaterMark has not been hit yet,
+// similar to how Writable.write() returns true if you should
+// write() some more.
+Readable.prototype.push = function (chunk, encoding) {
+  var state = this._readableState;
+  var skipChunkCheck;
+
+  if (!state.objectMode) {
+    if (typeof chunk === 'string') {
+      encoding = encoding || state.defaultEncoding;
+      if (encoding !== state.encoding) {
+        chunk = Buffer.from(chunk, encoding);
+        encoding = '';
+      }
+      skipChunkCheck = true;
+    }
+  } else {
+    skipChunkCheck = true;
+  }
+
+  return readableAddChunk(this, chunk, encoding, false, skipChunkCheck);
+};
+
+// Unshift should *always* be something directly out of read()
+Readable.prototype.unshift = function (chunk) {
+  return readableAddChunk(this, chunk, null, true, false);
+};
+
+function readableAddChunk(stream, chunk, encoding, addToFront, skipChunkCheck) {
+  var state = stream._readableState;
+  if (chunk === null) {
+    state.reading = false;
+    onEofChunk(stream, state);
+  } else {
+    var er;
+    if (!skipChunkCheck) er = chunkInvalid(state, chunk);
+    if (er) {
+      stream.emit('error', er);
+    } else if (state.objectMode || chunk && chunk.length > 0) {
+      if (typeof chunk !== 'string' && !state.objectMode && Object.getPrototypeOf(chunk) !== Buffer.prototype) {
+        chunk = _uint8ArrayToBuffer(chunk);
+      }
+
+      if (addToFront) {
+        if (state.endEmitted) stream.emit('error', new Error('stream.unshift() after end event'));else addChunk(stream, state, chunk, true);
+      } else if (state.ended) {
+        stream.emit('error', new Error('stream.push() after EOF'));
+      } else {
+        state.reading = false;
+        if (state.decoder && !encoding) {
+          chunk = state.decoder.write(chunk);
+          if (state.objectMode || chunk.length !== 0) addChunk(stream, state, chunk, false);else maybeReadMore(stream, state);
+        } else {
+          addChunk(stream, state, chunk, false);
+        }
+      }
+    } else if (!addToFront) {
+      state.reading = false;
+    }
+  }
+
+  return needMoreData(state);
+}
+
+function addChunk(stream, state, chunk, addToFront) {
+  if (state.flowing && state.length === 0 && !state.sync) {
+    stream.emit('data', chunk);
+    stream.read(0);
+  } else {
+    // update the buffer info.
+    state.length += state.objectMode ? 1 : chunk.length;
+    if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk);
+
+    if (state.needReadable) emitReadable(stream);
+  }
+  maybeReadMore(stream, state);
+}
+
+function chunkInvalid(state, chunk) {
+  var er;
+  if (!_isUint8Array(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
+    er = new TypeError('Invalid non-string/buffer chunk');
+  }
+  return er;
+}
+
+// if it's past the high water mark, we can push in some more.
+// Also, if we have no data yet, we can stand some
+// more bytes.  This is to work around cases where hwm=0,
+// such as the repl.  Also, if the push() triggered a
+// readable event, and the user called read(largeNumber) such that
+// needReadable was set, then we ought to push more, so that another
+// 'readable' event will be triggered.
+function needMoreData(state) {
+  return !state.ended && (state.needReadable || state.length < state.highWaterMark || state.length === 0);
+}
+
+Readable.prototype.isPaused = function () {
+  return this._readableState.flowing === false;
+};
+
+// backwards compatibility.
+Readable.prototype.setEncoding = function (enc) {
+  if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
+  this._readableState.decoder = new StringDecoder(enc);
+  this._readableState.encoding = enc;
+  return this;
+};
+
+// Don't raise the hwm > 8MB
+var MAX_HWM = 0x800000;
+function computeNewHighWaterMark(n) {
+  if (n >= MAX_HWM) {
+    n = MAX_HWM;
+  } else {
+    // Get the next highest power of 2 to prevent increasing hwm excessively in
+    // tiny amounts
+    n--;
+    n |= n >>> 1;
+    n |= n >>> 2;
+    n |= n >>> 4;
+    n |= n >>> 8;
+    n |= n >>> 16;
+    n++;
+  }
+  return n;
+}
+
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function howMuchToRead(n, state) {
+  if (n <= 0 || state.length === 0 && state.ended) return 0;
+  if (state.objectMode) return 1;
+  if (n !== n) {
+    // Only flow one buffer at a time
+    if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length;
+  }
+  // If we're asking for more than the current hwm, then raise the hwm.
+  if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n);
+  if (n <= state.length) return n;
+  // Don't have enough
+  if (!state.ended) {
+    state.needReadable = true;
+    return 0;
+  }
+  return state.length;
+}
+
+// you can override either this method, or the async _read(n) below.
+Readable.prototype.read = function (n) {
+  debug('read', n);
+  n = parseInt(n, 10);
+  var state = this._readableState;
+  var nOrig = n;
+
+  if (n !== 0) state.emittedReadable = false;
+
+  // if we're doing read(0) to trigger a readable event, but we
+  // already have a bunch of data in the buffer, then just trigger
+  // the 'readable' event and move on.
+  if (n === 0 && state.needReadable && (state.length >= state.highWaterMark || state.ended)) {
+    debug('read: emitReadable', state.length, state.ended);
+    if (state.length === 0 && state.ended) endReadable(this);else emitReadable(this);
+    return null;
+  }
+
+  n = howMuchToRead(n, state);
+
+  // if we've ended, and we're now clear, then finish it up.
+  if (n === 0 && state.ended) {
+    if (state.length === 0) endReadable(this);
+    return null;
+  }
+
+  // All the actual chunk generation logic needs to be
+  // *below* the call to _read.  The reason is that in certain
+  // synthetic stream cases, such as passthrough streams, _read
+  // may be a completely synchronous operation which may change
+  // the state of the read buffer, providing enough data when
+  // before there was *not* enough.
+  //
+  // So, the steps are:
+  // 1. Figure out what the state of things will be after we do
+  // a read from the buffer.
+  //
+  // 2. If that resulting state will trigger a _read, then call _read.
+  // Note that this may be asynchronous, or synchronous.  Yes, it is
+  // deeply ugly to write APIs this way, but that still doesn't mean
+  // that the Readable class should behave improperly, as streams are
+  // designed to be sync/async agnostic.
+  // Take note if the _read call is sync or async (ie, if the read call
+  // has returned yet), so that we know whether or not it's safe to emit
+  // 'readable' etc.
+  //
+  // 3. Actually pull the requested chunks out of the buffer and return.
+
+  // if we need a readable event, then we need to do some reading.
+  var doRead = state.needReadable;
+  debug('need readable', doRead);
+
+  // if we currently have less than the highWaterMark, then also read some
+  if (state.length === 0 || state.length - n < state.highWaterMark) {
+    doRead = true;
+    debug('length less than watermark', doRead);
+  }
+
+  // however, if we've ended, then there's no point, and if we're already
+  // reading, then it's unnecessary.
+  if (state.ended || state.reading) {
+    doRead = false;
+    debug('reading or ended', doRead);
+  } else if (doRead) {
+    debug('do read');
+    state.reading = true;
+    state.sync = true;
+    // if the length is currently zero, then we *need* a readable event.
+    if (state.length === 0) state.needReadable = true;
+    // call internal read method
+    this._read(state.highWaterMark);
+    state.sync = false;
+    // If _read pushed data synchronously, then `reading` will be false,
+    // and we need to re-evaluate how much data we can return to the user.
+    if (!state.reading) n = howMuchToRead(nOrig, state);
+  }
+
+  var ret;
+  if (n > 0) ret = fromList(n, state);else ret = null;
+
+  if (ret === null) {
+    state.needReadable = true;
+    n = 0;
+  } else {
+    state.length -= n;
+  }
+
+  if (state.length === 0) {
+    // If we have nothing in the buffer, then we want to know
+    // as soon as we *do* get something into the buffer.
+    if (!state.ended) state.needReadable = true;
+
+    // If we tried to read() past the EOF, then emit end on the next tick.
+    if (nOrig !== n && state.ended) endReadable(this);
+  }
+
+  if (ret !== null) this.emit('data', ret);
+
+  return ret;
+};
+
+function onEofChunk(stream, state) {
+  if (state.ended) return;
+  if (state.decoder) {
+    var chunk = state.decoder.end();
+    if (chunk && chunk.length) {
+      state.buffer.push(chunk);
+      state.length += state.objectMode ? 1 : chunk.length;
+    }
+  }
+  state.ended = true;
+
+  // emit 'readable' now to make sure it gets picked up.
+  emitReadable(stream);
+}
+
+// Don't emit readable right away in sync mode, because this can trigger
+// another read() call => stack overflow.  This way, it might trigger
+// a nextTick recursion warning, but that's not so bad.
+function emitReadable(stream) {
+  var state = stream._readableState;
+  state.needReadable = false;
+  if (!state.emittedReadable) {
+    debug('emitReadable', state.flowing);
+    state.emittedReadable = true;
+    if (state.sync) pna.nextTick(emitReadable_, stream);else emitReadable_(stream);
+  }
+}
+
+function emitReadable_(stream) {
+  debug('emit readable');
+  stream.emit('readable');
+  flow(stream);
+}
+
+// at this point, the user has presumably seen the 'readable' event,
+// and called read() to consume some data.  that may have triggered
+// in turn another _read(n) call, in which case reading = true if
+// it's in progress.
+// However, if we're not ended, or reading, and the length < hwm,
+// then go ahead and try to read some more preemptively.
+function maybeReadMore(stream, state) {
+  if (!state.readingMore) {
+    state.readingMore = true;
+    pna.nextTick(maybeReadMore_, stream, state);
+  }
+}
+
+function maybeReadMore_(stream, state) {
+  var len = state.length;
+  while (!state.reading && !state.flowing && !state.ended && state.length < state.highWaterMark) {
+    debug('maybeReadMore read 0');
+    stream.read(0);
+    if (len === state.length)
+      // didn't get any data, stop spinning.
+      break;else len = state.length;
+  }
+  state.readingMore = false;
+}
+
+// abstract method.  to be overridden in specific implementation classes.
+// call cb(er, data) where data is <= n in length.
+// for virtual (non-string, non-buffer) streams, "length" is somewhat
+// arbitrary, and perhaps not very meaningful.
+Readable.prototype._read = function (n) {
+  this.emit('error', new Error('_read() is not implemented'));
+};
+
+Readable.prototype.pipe = function (dest, pipeOpts) {
+  var src = this;
+  var state = this._readableState;
+
+  switch (state.pipesCount) {
+    case 0:
+      state.pipes = dest;
+      break;
+    case 1:
+      state.pipes = [state.pipes, dest];
+      break;
+    default:
+      state.pipes.push(dest);
+      break;
+  }
+  state.pipesCount += 1;
+  debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts);
+
+  var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr;
+
+  var endFn = doEnd ? onend : unpipe;
+  if (state.endEmitted) pna.nextTick(endFn);else src.once('end', endFn);
+
+  dest.on('unpipe', onunpipe);
+  function onunpipe(readable, unpipeInfo) {
+    debug('onunpipe');
+    if (readable === src) {
+      if (unpipeInfo && unpipeInfo.hasUnpiped === false) {
+        unpipeInfo.hasUnpiped = true;
+        cleanup();
+      }
+    }
+  }
+
+  function onend() {
+    debug('onend');
+    dest.end();
+  }
+
+  // when the dest drains, it reduces the awaitDrain counter
+  // on the source.  This would be more elegant with a .once()
+  // handler in flow(), but adding and removing repeatedly is
+  // too slow.
+  var ondrain = pipeOnDrain(src);
+  dest.on('drain', ondrain);
+
+  var cleanedUp = false;
+  function cleanup() {
+    debug('cleanup');
+    // cleanup event handlers once the pipe is broken
+    dest.removeListener('close', onclose);
+    dest.removeListener('finish', onfinish);
+    dest.removeListener('drain', ondrain);
+    dest.removeListener('error', onerror);
+    dest.removeListener('unpipe', onunpipe);
+    src.removeListener('end', onend);
+    src.removeListener('end', unpipe);
+    src.removeListener('data', ondata);
+
+    cleanedUp = true;
+
+    // if the reader is waiting for a drain event from this
+    // specific writer, then it would cause it to never start
+    // flowing again.
+    // So, if this is awaiting a drain, then we just call it now.
+    // If we don't know, then assume that we are waiting for one.
+    if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain();
+  }
+
+  // If the user pushes more data while we're writing to dest then we'll end up
+  // in ondata again. However, we only want to increase awaitDrain once because
+  // dest will only emit one 'drain' event for the multiple writes.
+  // => Introduce a guard on increasing awaitDrain.
+  var increasedAwaitDrain = false;
+  src.on('data', ondata);
+  function ondata(chunk) {
+    debug('ondata');
+    increasedAwaitDrain = false;
+    var ret = dest.write(chunk);
+    if (false === ret && !increasedAwaitDrain) {
+      // If the user unpiped during `dest.write()`, it is possible
+      // to get stuck in a permanently paused state if that write
+      // also returned false.
+      // => Check whether `dest` is still a piping destination.
+      if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf(state.pipes, dest) !== -1) && !cleanedUp) {
+        debug('false write response, pause', src._readableState.awaitDrain);
+        src._readableState.awaitDrain++;
+        increasedAwaitDrain = true;
+      }
+      src.pause();
+    }
+  }
+
+  // if the dest has an error, then stop piping into it.
+  // however, don't suppress the throwing behavior for this.
+  function onerror(er) {
+    debug('onerror', er);
+    unpipe();
+    dest.removeListener('error', onerror);
+    if (EElistenerCount(dest, 'error') === 0) dest.emit('error', er);
+  }
+
+  // Make sure our error handler is attached before userland ones.
+  prependListener(dest, 'error', onerror);
+
+  // Both close and finish should trigger unpipe, but only once.
+  function onclose() {
+    dest.removeListener('finish', onfinish);
+    unpipe();
+  }
+  dest.once('close', onclose);
+  function onfinish() {
+    debug('onfinish');
+    dest.removeListener('close', onclose);
+    unpipe();
+  }
+  dest.once('finish', onfinish);
+
+  function unpipe() {
+    debug('unpipe');
+    src.unpipe(dest);
+  }
+
+  // tell the dest that it's being piped to
+  dest.emit('pipe', src);
+
+  // start the flow if it hasn't been started already.
+  if (!state.flowing) {
+    debug('pipe resume');
+    src.resume();
+  }
+
+  return dest;
+};
+
+function pipeOnDrain(src) {
+  return function () {
+    var state = src._readableState;
+    debug('pipeOnDrain', state.awaitDrain);
+    if (state.awaitDrain) state.awaitDrain--;
+    if (state.awaitDrain === 0 && EElistenerCount(src, 'data')) {
+      state.flowing = true;
+      flow(src);
+    }
+  };
+}
+
+Readable.prototype.unpipe = function (dest) {
+  var state = this._readableState;
+  var unpipeInfo = { hasUnpiped: false };
+
+  // if we're not piping anywhere, then do nothing.
+  if (state.pipesCount === 0) return this;
+
+  // just one destination.  most common case.
+  if (state.pipesCount === 1) {
+    // passed in one, but it's not the right one.
+    if (dest && dest !== state.pipes) return this;
+
+    if (!dest) dest = state.pipes;
+
+    // got a match.
+    state.pipes = null;
+    state.pipesCount = 0;
+    state.flowing = false;
+    if (dest) dest.emit('unpipe', this, unpipeInfo);
+    return this;
+  }
+
+  // slow case. multiple pipe destinations.
+
+  if (!dest) {
+    // remove all.
+    var dests = state.pipes;
+    var len = state.pipesCount;
+    state.pipes = null;
+    state.pipesCount = 0;
+    state.flowing = false;
+
+    for (var i = 0; i < len; i++) {
+      dests[i].emit('unpipe', this, unpipeInfo);
+    }return this;
+  }
+
+  // try to find the right one.
+  var index = indexOf(state.pipes, dest);
+  if (index === -1) return this;
+
+  state.pipes.splice(index, 1);
+  state.pipesCount -= 1;
+  if (state.pipesCount === 1) state.pipes = state.pipes[0];
+
+  dest.emit('unpipe', this, unpipeInfo);
+
+  return this;
+};
+
+// set up data events if they are asked for
+// Ensure readable listeners eventually get something
+Readable.prototype.on = function (ev, fn) {
+  var res = Stream.prototype.on.call(this, ev, fn);
+
+  if (ev === 'data') {
+    // Start flowing on next tick if stream isn't explicitly paused
+    if (this._readableState.flowing !== false) this.resume();
+  } else if (ev === 'readable') {
+    var state = this._readableState;
+    if (!state.endEmitted && !state.readableListening) {
+      state.readableListening = state.needReadable = true;
+      state.emittedReadable = false;
+      if (!state.reading) {
+        pna.nextTick(nReadingNextTick, this);
+      } else if (state.length) {
+        emitReadable(this);
+      }
+    }
+  }
+
+  return res;
+};
+Readable.prototype.addListener = Readable.prototype.on;
+
+function nReadingNextTick(self) {
+  debug('readable nexttick read 0');
+  self.read(0);
+}
+
+// pause() and resume() are remnants of the legacy readable stream API
+// If the user uses them, then switch into old mode.
+Readable.prototype.resume = function () {
+  var state = this._readableState;
+  if (!state.flowing) {
+    debug('resume');
+    state.flowing = true;
+    resume(this, state);
+  }
+  return this;
+};
+
+function resume(stream, state) {
+  if (!state.resumeScheduled) {
+    state.resumeScheduled = true;
+    pna.nextTick(resume_, stream, state);
+  }
+}
+
+function resume_(stream, state) {
+  if (!state.reading) {
+    debug('resume read 0');
+    stream.read(0);
+  }
+
+  state.resumeScheduled = false;
+  state.awaitDrain = 0;
+  stream.emit('resume');
+  flow(stream);
+  if (state.flowing && !state.reading) stream.read(0);
+}
+
+Readable.prototype.pause = function () {
+  debug('call pause flowing=%j', this._readableState.flowing);
+  if (false !== this._readableState.flowing) {
+    debug('pause');
+    this._readableState.flowing = false;
+    this.emit('pause');
+  }
+  return this;
+};
+
+function flow(stream) {
+  var state = stream._readableState;
+  debug('flow', state.flowing);
+  while (state.flowing && stream.read() !== null) {}
+}
+
+// wrap an old-style stream as the async data source.
+// This is *not* part of the readable stream interface.
+// It is an ugly unfortunate mess of history.
+Readable.prototype.wrap = function (stream) {
+  var _this = this;
+
+  var state = this._readableState;
+  var paused = false;
+
+  stream.on('end', function () {
+    debug('wrapped end');
+    if (state.decoder && !state.ended) {
+      var chunk = state.decoder.end();
+      if (chunk && chunk.length) _this.push(chunk);
+    }
+
+    _this.push(null);
+  });
+
+  stream.on('data', function (chunk) {
+    debug('wrapped data');
+    if (state.decoder) chunk = state.decoder.write(chunk);
+
+    // don't skip over falsy values in objectMode
+    if (state.objectMode && (chunk === null || chunk === undefined)) return;else if (!state.objectMode && (!chunk || !chunk.length)) return;
+
+    var ret = _this.push(chunk);
+    if (!ret) {
+      paused = true;
+      stream.pause();
+    }
+  });
+
+  // proxy all the other methods.
+  // important when wrapping filters and duplexes.
+  for (var i in stream) {
+    if (this[i] === undefined && typeof stream[i] === 'function') {
+      this[i] = function (method) {
+        return function () {
+          return stream[method].apply(stream, arguments);
+        };
+      }(i);
+    }
+  }
+
+  // proxy certain important events.
+  for (var n = 0; n < kProxyEvents.length; n++) {
+    stream.on(kProxyEvents[n], this.emit.bind(this, kProxyEvents[n]));
+  }
+
+  // when we try to consume some more bytes, simply unpause the
+  // underlying stream.
+  this._read = function (n) {
+    debug('wrapped _read', n);
+    if (paused) {
+      paused = false;
+      stream.resume();
+    }
+  };
+
+  return this;
+};
+
+Object.defineProperty(Readable.prototype, 'readableHighWaterMark', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function () {
+    return this._readableState.highWaterMark;
+  }
+});
+
+// exposed for testing purposes only.
+Readable._fromList = fromList;
+
+// Pluck off n bytes from an array of buffers.
+// Length is the combined lengths of all the buffers in the list.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function fromList(n, state) {
+  // nothing buffered
+  if (state.length === 0) return null;
+
+  var ret;
+  if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) {
+    // read it all, truncate the list
+    if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.head.data;else ret = state.buffer.concat(state.length);
+    state.buffer.clear();
+  } else {
+    // read part of list
+    ret = fromListPartial(n, state.buffer, state.decoder);
+  }
+
+  return ret;
+}
+
+// Extracts only enough buffered data to satisfy the amount requested.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function fromListPartial(n, list, hasStrings) {
+  var ret;
+  if (n < list.head.data.length) {
+    // slice is the same for buffers and strings
+    ret = list.head.data.slice(0, n);
+    list.head.data = list.head.data.slice(n);
+  } else if (n === list.head.data.length) {
+    // first chunk is a perfect match
+    ret = list.shift();
+  } else {
+    // result spans more than one buffer
+    ret = hasStrings ? copyFromBufferString(n, list) : copyFromBuffer(n, list);
+  }
+  return ret;
+}
+
+// Copies a specified amount of characters from the list of buffered data
+// chunks.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function copyFromBufferString(n, list) {
+  var p = list.head;
+  var c = 1;
+  var ret = p.data;
+  n -= ret.length;
+  while (p = p.next) {
+    var str = p.data;
+    var nb = n > str.length ? str.length : n;
+    if (nb === str.length) ret += str;else ret += str.slice(0, n);
+    n -= nb;
+    if (n === 0) {
+      if (nb === str.length) {
+        ++c;
+        if (p.next) list.head = p.next;else list.head = list.tail = null;
+      } else {
+        list.head = p;
+        p.data = str.slice(nb);
+      }
+      break;
+    }
+    ++c;
+  }
+  list.length -= c;
+  return ret;
+}
+
+// Copies a specified amount of bytes from the list of buffered data chunks.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function copyFromBuffer(n, list) {
+  var ret = Buffer.allocUnsafe(n);
+  var p = list.head;
+  var c = 1;
+  p.data.copy(ret);
+  n -= p.data.length;
+  while (p = p.next) {
+    var buf = p.data;
+    var nb = n > buf.length ? buf.length : n;
+    buf.copy(ret, ret.length - n, 0, nb);
+    n -= nb;
+    if (n === 0) {
+      if (nb === buf.length) {
+        ++c;
+        if (p.next) list.head = p.next;else list.head = list.tail = null;
+      } else {
+        list.head = p;
+        p.data = buf.slice(nb);
+      }
+      break;
+    }
+    ++c;
+  }
+  list.length -= c;
+  return ret;
+}
+
+function endReadable(stream) {
+  var state = stream._readableState;
+
+  // If we get here before consuming all the bytes, then that is a
+  // bug in node.  Should never happen.
+  if (state.length > 0) throw new Error('"endReadable()" called on non-empty stream');
+
+  if (!state.endEmitted) {
+    state.ended = true;
+    pna.nextTick(endReadableNT, state, stream);
+  }
+}
+
+function endReadableNT(state, stream) {
+  // Check that we didn't get one last unshift.
+  if (!state.endEmitted && state.length === 0) {
+    state.endEmitted = true;
+    stream.readable = false;
+    stream.emit('end');
+  }
+}
+
+function indexOf(xs, x) {
+  for (var i = 0, l = xs.length; i < l; i++) {
+    if (xs[i] === x) return i;
+  }
+  return -1;
+}
\ No newline at end of file

+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// a transform stream is a readable/writable stream where you do
+// something with the data.  Sometimes it's called a "filter",
+// but that's not a great name for it, since that implies a thing where
+// some bits pass through, and others are simply ignored.  (That would
+// be a valid example of a transform, of course.)
+//
+// While the output is causally related to the input, it's not a
+// necessarily symmetric or synchronous transformation.  For example,
+// a zlib stream might take multiple plain-text writes(), and then
+// emit a single compressed chunk some time in the future.
+//
+// Here's how this works:
+//
+// The Transform stream has all the aspects of the readable and writable
+// stream classes.  When you write(chunk), that calls _write(chunk,cb)
+// internally, and returns false if there's a lot of pending writes
+// buffered up.  When you call read(), that calls _read(n) until
+// there's enough pending readable data buffered up.
+//
+// In a transform stream, the written data is placed in a buffer.  When
+// _read(n) is called, it transforms the queued up data, calling the
+// buffered _write cb's as it consumes chunks.  If consuming a single
+// written chunk would result in multiple output chunks, then the first
+// outputted bit calls the readcb, and subsequent chunks just go into
+// the read buffer, and will cause it to emit 'readable' if necessary.
+//
+// This way, back-pressure is actually determined by the reading side,
+// since _read has to be called to start processing a new chunk.  However,
+// a pathological inflate type of transform can cause excessive buffering
+// here.  For example, imagine a stream where every byte of input is
+// interpreted as an integer from 0-255, and then results in that many
+// bytes of output.  Writing the 4 bytes {ff,ff,ff,ff} would result in
+// 1kb of data being output.  In this case, you could write a very small
+// amount of input, and end up with a very large amount of output.  In
+// such a pathological inflating mechanism, there'd be no way to tell
+// the system to stop doing the transform.  A single 4MB write could
+// cause the system to run out of memory.
+//
+// However, even in such a pathological case, only a single written chunk
+// would be consumed, and then the rest would wait (un-transformed) until
+// the results of the previous transformed chunk were consumed.
+
+'use strict';
+
+module.exports = Transform;
+
+var Duplex = require('./_stream_duplex');
+
+/*<replacement>*/
+var util = Object.create(require('core-util-is'));
+util.inherits = require('inherits');
+/*</replacement>*/
+
+util.inherits(Transform, Duplex);
+
+function afterTransform(er, data) {
+  var ts = this._transformState;
+  ts.transforming = false;
+
+  var cb = ts.writecb;
+
+  if (!cb) {
+    return this.emit('error', new Error('write callback called multiple times'));
+  }
+
+  ts.writechunk = null;
+  ts.writecb = null;
+
+  if (data != null) // single equals check for both `null` and `undefined`
+    this.push(data);
+
+  cb(er);
+
+  var rs = this._readableState;
+  rs.reading = false;
+  if (rs.needReadable || rs.length < rs.highWaterMark) {
+    this._read(rs.highWaterMark);
+  }
+}
+
+function Transform(options) {
+  if (!(this instanceof Transform)) return new Transform(options);
+
+  Duplex.call(this, options);
+
+  this._transformState = {
+    afterTransform: afterTransform.bind(this),
+    needTransform: false,
+    transforming: false,
+    writecb: null,
+    writechunk: null,
+    writeencoding: null
+  };
+
+  // start out asking for a readable event once data is transformed.
+  this._readableState.needReadable = true;
+
+  // we have implemented the _read method, and done the other things
+  // that Readable wants before the first _read call, so unset the
+  // sync guard flag.
+  this._readableState.sync = false;
+
+  if (options) {
+    if (typeof options.transform === 'function') this._transform = options.transform;
+
+    if (typeof options.flush === 'function') this._flush = options.flush;
+  }
+
+  // When the writable side finishes, then flush out anything remaining.
+  this.on('prefinish', prefinish);
+}
+
+function prefinish() {
+  var _this = this;
+
+  if (typeof this._flush === 'function') {
+    this._flush(function (er, data) {
+      done(_this, er, data);
+    });
+  } else {
+    done(this, null, null);
+  }
+}
+
+Transform.prototype.push = function (chunk, encoding) {
+  this._transformState.needTransform = false;
+  return Duplex.prototype.push.call(this, chunk, encoding);
+};
+
+// This is the part where you do stuff!
+// override this function in implementation classes.
+// 'chunk' is an input chunk.
+//
+// Call `push(newChunk)` to pass along transformed output
+// to the readable side.  You may call 'push' zero or more times.
+//
+// Call `cb(err)` when you are done with this chunk.  If you pass
+// an error, then that'll put the hurt on the whole operation.  If you
+// never call cb(), then you'll never get another chunk.
+Transform.prototype._transform = function (chunk, encoding, cb) {
+  throw new Error('_transform() is not implemented');
+};
+
+Transform.prototype._write = function (chunk, encoding, cb) {
+  var ts = this._transformState;
+  ts.writecb = cb;
+  ts.writechunk = chunk;
+  ts.writeencoding = encoding;
+  if (!ts.transforming) {
+    var rs = this._readableState;
+    if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark);
+  }
+};
+
+// Doesn't matter what the args are here.
+// _transform does all the work.
+// That we got here means that the readable side wants more data.
+Transform.prototype._read = function (n) {
+  var ts = this._transformState;
+
+  if (ts.writechunk !== null && ts.writecb && !ts.transforming) {
+    ts.transforming = true;
+    this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
+  } else {
+    // mark that we need a transform, so that any data that comes in
+    // will get processed, now that we've asked for it.
+    ts.needTransform = true;
+  }
+};
+
+Transform.prototype._destroy = function (err, cb) {
+  var _this2 = this;
+
+  Duplex.prototype._destroy.call(this, err, function (err2) {
+    cb(err2);
+    _this2.emit('close');
+  });
+};
+
+function done(stream, er, data) {
+  if (er) return stream.emit('error', er);
+
+  if (data != null) // single equals check for both `null` and `undefined`
+    stream.push(data);
+
+  // if there's nothing in the write buffer, then that means
+  // that nothing more will ever be provided
+  if (stream._writableState.length) throw new Error('Calling transform done when ws.length != 0');
+
+  if (stream._transformState.transforming) throw new Error('Calling transform done when still transforming');
+
+  return stream.push(null);
+}
\ No newline at end of file

+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// A bit simpler than readable streams.
+// Implement an async ._write(chunk, encoding, cb), and it'll handle all
+// the drain event emission and buffering.
+
+'use strict';
+
+/*<replacement>*/
+
+var pna = require('process-nextick-args');
+/*</replacement>*/
+
+module.exports = Writable;
+
+/* <replacement> */
+function WriteReq(chunk, encoding, cb) {
+  this.chunk = chunk;
+  this.encoding = encoding;
+  this.callback = cb;
+  this.next = null;
+}
+
+// It seems a linked list but it is not
+// there will be only 2 of these for each stream
+function CorkedRequest(state) {
+  var _this = this;
+
+  this.next = null;
+  this.entry = null;
+  this.finish = function () {
+    onCorkedFinish(_this, state);
+  };
+}
+/* </replacement> */
+
+/*<replacement>*/
+var asyncWrite = !process.browser && ['v0.10', 'v0.9.'].indexOf(process.version.slice(0, 5)) > -1 ? setImmediate : pna.nextTick;
+/*</replacement>*/
+
+/*<replacement>*/
+var Duplex;
+/*</replacement>*/
+
+Writable.WritableState = WritableState;
+
+/*<replacement>*/
+var util = Object.create(require('core-util-is'));
+util.inherits = require('inherits');
+/*</replacement>*/
+
+/*<replacement>*/
+var internalUtil = {
+  deprecate: require('util-deprecate')
+};
+/*</replacement>*/
+
+/*<replacement>*/
+var Stream = require('./internal/streams/stream');
+/*</replacement>*/
+
+/*<replacement>*/
+
+var Buffer = require('safe-buffer').Buffer;
+var OurUint8Array = global.Uint8Array || function () {};
+function _uint8ArrayToBuffer(chunk) {
+  return Buffer.from(chunk);
+}
+function _isUint8Array(obj) {
+  return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
+}
+
+/*</replacement>*/
+
+var destroyImpl = require('./internal/streams/destroy');
+
+util.inherits(Writable, Stream);
+
+function nop() {}
+
+function WritableState(options, stream) {
+  Duplex = Duplex || require('./_stream_duplex');
+
+  options = options || {};
+
+  // Duplex streams are both readable and writable, but share
+  // the same options object.
+  // However, some cases require setting options to different
+  // values for the readable and the writable sides of the duplex stream.
+  // These options can be provided separately as readableXXX and writableXXX.
+  var isDuplex = stream instanceof Duplex;
+
+  // object stream flag to indicate whether or not this stream
+  // contains buffers or objects.
+  this.objectMode = !!options.objectMode;
+
+  if (isDuplex) this.objectMode = this.objectMode || !!options.writableObjectMode;
+
+  // the point at which write() starts returning false
+  // Note: 0 is a valid value, means that we always return false if
+  // the entire buffer is not flushed immediately on write()
+  var hwm = options.highWaterMark;
+  var writableHwm = options.writableHighWaterMark;
+  var defaultHwm = this.objectMode ? 16 : 16 * 1024;
+
+  if (hwm || hwm === 0) this.highWaterMark = hwm;else if (isDuplex && (writableHwm || writableHwm === 0)) this.highWaterMark = writableHwm;else this.highWaterMark = defaultHwm;
+
+  // cast to ints.
+  this.highWaterMark = Math.floor(this.highWaterMark);
+
+  // if _final has been called
+  this.finalCalled = false;
+
+  // drain event flag.
+  this.needDrain = false;
+  // at the start of calling end()
+  this.ending = false;
+  // when end() has been called, and returned
+  this.ended = false;
+  // when 'finish' is emitted
+  this.finished = false;
+
+  // has it been destroyed
+  this.destroyed = false;
+
+  // should we decode strings into buffers before passing to _write?
+  // this is here so that some node-core streams can optimize string
+  // handling at a lower level.
+  var noDecode = options.decodeStrings === false;
+  this.decodeStrings = !noDecode;
+
+  // Crypto is kind of old and crusty.  Historically, its default string
+  // encoding is 'binary' so we have to make this configurable.
+  // Everything else in the universe uses 'utf8', though.
+  this.defaultEncoding = options.defaultEncoding || 'utf8';
+
+  // not an actual buffer we keep track of, but a measurement
+  // of how much we're waiting to get pushed to some underlying
+  // socket or file.
+  this.length = 0;
+
+  // a flag to see when we're in the middle of a write.
+  this.writing = false;
+
+  // when true all writes will be buffered until .uncork() call
+  this.corked = 0;
+
+  // a flag to be able to tell if the onwrite cb is called immediately,
+  // or on a later tick.  We set this to true at first, because any
+  // actions that shouldn't happen until "later" should generally also
+  // not happen before the first write call.
+  this.sync = true;
+
+  // a flag to know if we're processing previously buffered items, which
+  // may call the _write() callback in the same tick, so that we don't
+  // end up in an overlapped onwrite situation.
+  this.bufferProcessing = false;
+
+  // the callback that's passed to _write(chunk,cb)
+  this.onwrite = function (er) {
+    onwrite(stream, er);
+  };
+
+  // the callback that the user supplies to write(chunk,encoding,cb)
+  this.writecb = null;
+
+  // the amount that is being written when _write is called.
+  this.writelen = 0;
+
+  this.bufferedRequest = null;
+  this.lastBufferedRequest = null;
+
+  // number of pending user-supplied write callbacks
+  // this must be 0 before 'finish' can be emitted
+  this.pendingcb = 0;
+
+  // emit prefinish if the only thing we're waiting for is _write cbs
+  // This is relevant for synchronous Transform streams
+  this.prefinished = false;
+
+  // True if the error was already emitted and should not be thrown again
+  this.errorEmitted = false;
+
+  // count buffered requests
+  this.bufferedRequestCount = 0;
+
+  // allocate the first CorkedRequest, there is always
+  // one allocated and free to use, and we maintain at most two
+  this.corkedRequestsFree = new CorkedRequest(this);
+}
+
+WritableState.prototype.getBuffer = function getBuffer() {
+  var current = this.bufferedRequest;
+  var out = [];
+  while (current) {
+    out.push(current);
+    current = current.next;
+  }
+  return out;
+};
+
+(function () {
+  try {
+    Object.defineProperty(WritableState.prototype, 'buffer', {
+      get: internalUtil.deprecate(function () {
+        return this.getBuffer();
+      }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.', 'DEP0003')
+    });
+  } catch (_) {}
+})();
+
+// Test _writableState for inheritance to account for Duplex streams,
+// whose prototype chain only points to Readable.
+var realHasInstance;
+if (typeof Symbol === 'function' && Symbol.hasInstance && typeof Function.prototype[Symbol.hasInstance] === 'function') {
+  realHasInstance = Function.prototype[Symbol.hasInstance];
+  Object.defineProperty(Writable, Symbol.hasInstance, {
+    value: function (object) {
+      if (realHasInstance.call(this, object)) return true;
+      if (this !== Writable) return false;
+
+      return object && object._writableState instanceof WritableState;
+    }
+  });
+} else {
+  realHasInstance = function (object) {
+    return object instanceof this;
+  };
+}
+
+function Writable(options) {
+  Duplex = Duplex || require('./_stream_duplex');
+
+  // Writable ctor is applied to Duplexes, too.
+  // `realHasInstance` is necessary because using plain `instanceof`
+  // would return false, as no `_writableState` property is attached.
+
+  // Trying to use the custom `instanceof` for Writable here will also break the
+  // Node.js LazyTransform implementation, which has a non-trivial getter for
+  // `_writableState` that would lead to infinite recursion.
+  if (!realHasInstance.call(Writable, this) && !(this instanceof Duplex)) {
+    return new Writable(options);
+  }
+
+  this._writableState = new WritableState(options, this);
+
+  // legacy.
+  this.writable = true;
+
+  if (options) {
+    if (typeof options.write === 'function') this._write = options.write;
+
+    if (typeof options.writev === 'function') this._writev = options.writev;
+
+    if (typeof options.destroy === 'function') this._destroy = options.destroy;
+
+    if (typeof options.final === 'function') this._final = options.final;
+  }
+
+  Stream.call(this);
+}
+
+// Otherwise people can pipe Writable streams, which is just wrong.
+Writable.prototype.pipe = function () {
+  this.emit('error', new Error('Cannot pipe, not readable'));
+};
+
+function writeAfterEnd(stream, cb) {
+  var er = new Error('write after end');
+  // TODO: defer error events consistently everywhere, not just the cb
+  stream.emit('error', er);
+  pna.nextTick(cb, er);
+}
+
+// Checks that a user-supplied chunk is valid, especially for the particular
+// mode the stream is in. Currently this means that `null` is never accepted
+// and undefined/non-string values are only allowed in object mode.
+function validChunk(stream, state, chunk, cb) {
+  var valid = true;
+  var er = false;
+
+  if (chunk === null) {
+    er = new TypeError('May not write null values to stream');
+  } else if (typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
+    er = new TypeError('Invalid non-string/buffer chunk');
+  }
+  if (er) {
+    stream.emit('error', er);
+    pna.nextTick(cb, er);
+    valid = false;
+  }
+  return valid;
+}
+
+Writable.prototype.write = function (chunk, encoding, cb) {
+  var state = this._writableState;
+  var ret = false;
+  var isBuf = !state.objectMode && _isUint8Array(chunk);
+
+  if (isBuf && !Buffer.isBuffer(chunk)) {
+    chunk = _uint8ArrayToBuffer(chunk);
+  }
+
+  if (typeof encoding === 'function') {
+    cb = encoding;
+    encoding = null;
+  }
+
+  if (isBuf) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding;
+
+  if (typeof cb !== 'function') cb = nop;
+
+  if (state.ended) writeAfterEnd(this, cb);else if (isBuf || validChunk(this, state, chunk, cb)) {
+    state.pendingcb++;
+    ret = writeOrBuffer(this, state, isBuf, chunk, encoding, cb);
+  }
+
+  return ret;
+};
+
+Writable.prototype.cork = function () {
+  var state = this._writableState;
+
+  state.corked++;
+};
+
+Writable.prototype.uncork = function () {
+  var state = this._writableState;
+
+  if (state.corked) {
+    state.corked--;
+
+    if (!state.writing && !state.corked && !state.finished && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state);
+  }
+};
+
+Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) {
+  // node::ParseEncoding() requires lower case.
+  if (typeof encoding === 'string') encoding = encoding.toLowerCase();
+  if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new TypeError('Unknown encoding: ' + encoding);
+  this._writableState.defaultEncoding = encoding;
+  return this;
+};
+
+function decodeChunk(state, chunk, encoding) {
+  if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') {
+    chunk = Buffer.from(chunk, encoding);
+  }
+  return chunk;
+}
+
+Object.defineProperty(Writable.prototype, 'writableHighWaterMark', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function () {
+    return this._writableState.highWaterMark;
+  }
+});
+
+// if we're already writing something, then just put this
+// in the queue, and wait our turn.  Otherwise, call _write
+// If we return false, then we need a drain event, so set that flag.
+function writeOrBuffer(stream, state, isBuf, chunk, encoding, cb) {
+  if (!isBuf) {
+    var newChunk = decodeChunk(state, chunk, encoding);
+    if (chunk !== newChunk) {
+      isBuf = true;
+      encoding = 'buffer';
+      chunk = newChunk;
+    }
+  }
+  var len = state.objectMode ? 1 : chunk.length;
+
+  state.length += len;
+
+  var ret = state.length < state.highWaterMark;
+  // we must ensure that previous needDrain will not be reset to false.
+  if (!ret) state.needDrain = true;
+
+  if (state.writing || state.corked) {
+    var last = state.lastBufferedRequest;
+    state.lastBufferedRequest = {
+      chunk: chunk,
+      encoding: encoding,
+      isBuf: isBuf,
+      callback: cb,
+      next: null
+    };
+    if (last) {
+      last.next = state.lastBufferedRequest;
+    } else {
+      state.bufferedRequest = state.lastBufferedRequest;
+    }
+    state.bufferedRequestCount += 1;
+  } else {
+    doWrite(stream, state, false, len, chunk, encoding, cb);
+  }
+
+  return ret;
+}
+
+function doWrite(stream, state, writev, len, chunk, encoding, cb) {
+  state.writelen = len;
+  state.writecb = cb;
+  state.writing = true;
+  state.sync = true;
+  if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite);
+  state.sync = false;
+}
+
+function onwriteError(stream, state, sync, er, cb) {
+  --state.pendingcb;
+
+  if (sync) {
+    // defer the callback if we are being called synchronously
+    // to avoid piling up things on the stack
+    pna.nextTick(cb, er);
+    // this can emit finish, and it will always happen
+    // after error
+    pna.nextTick(finishMaybe, stream, state);
+    stream._writableState.errorEmitted = true;
+    stream.emit('error', er);
+  } else {
+    // the caller expect this to happen before if
+    // it is async
+    cb(er);
+    stream._writableState.errorEmitted = true;
+    stream.emit('error', er);
+    // this can emit finish, but finish must
+    // always follow error
+    finishMaybe(stream, state);
+  }
+}
+
+function onwriteStateUpdate(state) {
+  state.writing = false;
+  state.writecb = null;
+  state.length -= state.writelen;
+  state.writelen = 0;
+}
+
+function onwrite(stream, er) {
+  var state = stream._writableState;
+  var sync = state.sync;
+  var cb = state.writecb;
+
+  onwriteStateUpdate(state);
+
+  if (er) onwriteError(stream, state, sync, er, cb);else {
+    // Check if we're actually ready to finish, but don't emit yet
+    var finished = needFinish(state);
+
+    if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) {
+      clearBuffer(stream, state);
+    }
+
+    if (sync) {
+      /*<replacement>*/
+      asyncWrite(afterWrite, stream, state, finished, cb);
+      /*</replacement>*/
+    } else {
+      afterWrite(stream, state, finished, cb);
+    }
+  }
+}
+
+function afterWrite(stream, state, finished, cb) {
+  if (!finished) onwriteDrain(stream, state);
+  state.pendingcb--;
+  cb();
+  finishMaybe(stream, state);
+}
+
+// Must force callback to be called on nextTick, so that we don't
+// emit 'drain' before the write() consumer gets the 'false' return
+// value, and has a chance to attach a 'drain' listener.
+function onwriteDrain(stream, state) {
+  if (state.length === 0 && state.needDrain) {
+    state.needDrain = false;
+    stream.emit('drain');
+  }
+}
+
+// if there's something in the buffer waiting, then process it
+function clearBuffer(stream, state) {
+  state.bufferProcessing = true;
+  var entry = state.bufferedRequest;
+
+  if (stream._writev && entry && entry.next) {
+    // Fast case, write everything using _writev()
+    var l = state.bufferedRequestCount;
+    var buffer = new Array(l);
+    var holder = state.corkedRequestsFree;
+    holder.entry = entry;
+
+    var count = 0;
+    var allBuffers = true;
+    while (entry) {
+      buffer[count] = entry;
+      if (!entry.isBuf) allBuffers = false;
+      entry = entry.next;
+      count += 1;
+    }
+    buffer.allBuffers = allBuffers;
+
+    doWrite(stream, state, true, state.length, buffer, '', holder.finish);
+
+    // doWrite is almost always async, defer these to save a bit of time
+    // as the hot path ends with doWrite
+    state.pendingcb++;
+    state.lastBufferedRequest = null;
+    if (holder.next) {
+      state.corkedRequestsFree = holder.next;
+      holder.next = null;
+    } else {
+      state.corkedRequestsFree = new CorkedRequest(state);
+    }
+    state.bufferedRequestCount = 0;
+  } else {
+    // Slow case, write chunks one-by-one
+    while (entry) {
+      var chunk = entry.chunk;
+      var encoding = entry.encoding;
+      var cb = entry.callback;
+      var len = state.objectMode ? 1 : chunk.length;
+
+      doWrite(stream, state, false, len, chunk, encoding, cb);
+      entry = entry.next;
+      state.bufferedRequestCount--;
+      // if we didn't call the onwrite immediately, then
+      // it means that we need to wait until it does.
+      // also, that means that the chunk and cb are currently
+      // being processed, so move the buffer counter past them.
+      if (state.writing) {
+        break;
+      }
+    }
+
+    if (entry === null) state.lastBufferedRequest = null;
+  }
+
+  state.bufferedRequest = entry;
+  state.bufferProcessing = false;
+}
+
+Writable.prototype._write = function (chunk, encoding, cb) {
+  cb(new Error('_write() is not implemented'));
+};
+
+Writable.prototype._writev = null;
+
+Writable.prototype.end = function (chunk, encoding, cb) {
+  var state = this._writableState;
+
+  if (typeof chunk === 'function') {
+    cb = chunk;
+    chunk = null;
+    encoding = null;
+  } else if (typeof encoding === 'function') {
+    cb = encoding;
+    encoding = null;
+  }
+
+  if (chunk !== null && chunk !== undefined) this.write(chunk, encoding);
+
+  // .end() fully uncorks
+  if (state.corked) {
+    state.corked = 1;
+    this.uncork();
+  }
+
+  // ignore unnecessary end() calls.
+  if (!state.ending && !state.finished) endWritable(this, state, cb);
+};
+
+function needFinish(state) {
+  return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing;
+}
+function callFinal(stream, state) {
+  stream._final(function (err) {
+    state.pendingcb--;
+    if (err) {
+      stream.emit('error', err);
+    }
+    state.prefinished = true;
+    stream.emit('prefinish');
+    finishMaybe(stream, state);
+  });
+}
+function prefinish(stream, state) {
+  if (!state.prefinished && !state.finalCalled) {
+    if (typeof stream._final === 'function') {
+      state.pendingcb++;
+      state.finalCalled = true;
+      pna.nextTick(callFinal, stream, state);
+    } else {
+      state.prefinished = true;
+      stream.emit('prefinish');
+    }
+  }
+}
+
+function finishMaybe(stream, state) {
+  var need = needFinish(state);
+  if (need) {
+    prefinish(stream, state);
+    if (state.pendingcb === 0) {
+      state.finished = true;
+      stream.emit('finish');
+    }
+  }
+  return need;
+}
+
+function endWritable(stream, state, cb) {
+  state.ending = true;
+  finishMaybe(stream, state);
+  if (cb) {
+    if (state.finished) pna.nextTick(cb);else stream.once('finish', cb);
+  }
+  state.ended = true;
+  stream.writable = false;
+}
+
+function onCorkedFinish(corkReq, state, err) {
+  var entry = corkReq.entry;
+  corkReq.entry = null;
+  while (entry) {
+    var cb = entry.callback;
+    state.pendingcb--;
+    cb(err);
+    entry = entry.next;
+  }
+  if (state.corkedRequestsFree) {
+    state.corkedRequestsFree.next = corkReq;
+  } else {
+    state.corkedRequestsFree = corkReq;
+  }
+}
+
+Object.defineProperty(Writable.prototype, 'destroyed', {
+  get: function () {
+    if (this._writableState === undefined) {
+      return false;
+    }
+    return this._writableState.destroyed;
+  },
+  set: function (value) {
+    // we ignore the value if the stream
+    // has not been initialized yet
+    if (!this._writableState) {
+      return;
+    }
+
+    // backward compatibility, the user is explicitly
+    // managing destroyed
+    this._writableState.destroyed = value;
+  }
+});
+
+Writable.prototype.destroy = destroyImpl.destroy;
+Writable.prototype._undestroy = destroyImpl.undestroy;
+Writable.prototype._destroy = function (err, cb) {
+  this.end();
+  cb(err);
+};
\ No newline at end of file

+'use strict';
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var Buffer = require('safe-buffer').Buffer;
+var util = require('util');
+
+function copyBuffer(src, target, offset) {
+  src.copy(target, offset);
+}
+
+module.exports = function () {
+  function BufferList() {
+    _classCallCheck(this, BufferList);
+
+    this.head = null;
+    this.tail = null;
+    this.length = 0;
+  }
+
+  BufferList.prototype.push = function push(v) {
+    var entry = { data: v, next: null };
+    if (this.length > 0) this.tail.next = entry;else this.head = entry;
+    this.tail = entry;
+    ++this.length;
+  };
+
+  BufferList.prototype.unshift = function unshift(v) {
+    var entry = { data: v, next: this.head };
+    if (this.length === 0) this.tail = entry;
+    this.head = entry;
+    ++this.length;
+  };
+
+  BufferList.prototype.shift = function shift() {
+    if (this.length === 0) return;
+    var ret = this.head.data;
+    if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next;
+    --this.length;
+    return ret;
+  };
+
+  BufferList.prototype.clear = function clear() {
+    this.head = this.tail = null;
+    this.length = 0;
+  };
+
+  BufferList.prototype.join = function join(s) {
+    if (this.length === 0) return '';
+    var p = this.head;
+    var ret = '' + p.data;
+    while (p = p.next) {
+      ret += s + p.data;
+    }return ret;
+  };
+
+  BufferList.prototype.concat = function concat(n) {
+    if (this.length === 0) return Buffer.alloc(0);
+    if (this.length === 1) return this.head.data;
+    var ret = Buffer.allocUnsafe(n >>> 0);
+    var p = this.head;
+    var i = 0;
+    while (p) {
+      copyBuffer(p.data, ret, i);
+      i += p.data.length;
+      p = p.next;
+    }
+    return ret;
+  };
+
+  return BufferList;
+}();
+
+if (util && util.inspect && util.inspect.custom) {
+  module.exports.prototype[util.inspect.custom] = function () {
+    var obj = util.inspect({ length: this.length });
+    return this.constructor.name + ' ' + obj;
+  };
+}
\ No newline at end of file

+'use strict';
+
+/*<replacement>*/
+
+var pna = require('process-nextick-args');
+/*</replacement>*/
+
+// undocumented cb() API, needed for core, not for public API
+function destroy(err, cb) {
+  var _this = this;
+
+  var readableDestroyed = this._readableState && this._readableState.destroyed;
+  var writableDestroyed = this._writableState && this._writableState.destroyed;
+
+  if (readableDestroyed || writableDestroyed) {
+    if (cb) {
+      cb(err);
+    } else if (err && (!this._writableState || !this._writableState.errorEmitted)) {
+      pna.nextTick(emitErrorNT, this, err);
+    }
+    return this;
+  }
+
+  // we set destroyed to true before firing error callbacks in order
+  // to make it re-entrance safe in case destroy() is called within callbacks
+
+  if (this._readableState) {
+    this._readableState.destroyed = true;
+  }
+
+  // if this is a duplex stream mark the writable part as destroyed as well
+  if (this._writableState) {
+    this._writableState.destroyed = true;
+  }
+
+  this._destroy(err || null, function (err) {
+    if (!cb && err) {
+      pna.nextTick(emitErrorNT, _this, err);
+      if (_this._writableState) {
+        _this._writableState.errorEmitted = true;
+      }
+    } else if (cb) {
+      cb(err);
+    }
+  });
+
+  return this;
+}
+
+function undestroy() {
+  if (this._readableState) {
+    this._readableState.destroyed = false;
+    this._readableState.reading = false;
+    this._readableState.ended = false;
+    this._readableState.endEmitted = false;
+  }
+
+  if (this._writableState) {
+    this._writableState.destroyed = false;
+    this._writableState.ended = false;
+    this._writableState.ending = false;
+    this._writableState.finished = false;
+    this._writableState.errorEmitted = false;
+  }
+}
+
+function emitErrorNT(self, err) {
+  self.emit('error', err);
+}
+
+module.exports = {
+  destroy: destroy,
+  undestroy: undestroy
+};
\ No newline at end of file

+{
+  "_from": "readable-stream@^2.2.2",
+  "_id": "readable-stream@2.3.7",
+  "_inBundle": false,
+  "_integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+  "_location": "/concat-stream/readable-stream",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "readable-stream@^2.2.2",
+    "name": "readable-stream",
+    "escapedName": "readable-stream",
+    "rawSpec": "^2.2.2",
+    "saveSpec": null,
+    "fetchSpec": "^2.2.2"
+  },
+  "_requiredBy": [
+    "/concat-stream"
+  ],
+  "_resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+  "_shasum": "1eca1cf711aef814c04f62252a36a62f6cb23b57",
+  "_spec": "readable-stream@^2.2.2",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\concat-stream",
+  "browser": {
+    "util": false,
+    "./readable.js": "./readable-browser.js",
+    "./writable.js": "./writable-browser.js",
+    "./duplex.js": "./duplex-browser.js",
+    "./lib/internal/streams/stream.js": "./lib/internal/streams/stream-browser.js"
+  },
+  "bugs": {
+    "url": "https://github.com/nodejs/readable-stream/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "core-util-is": "~1.0.0",
+    "inherits": "~2.0.3",
+    "isarray": "~1.0.0",
+    "process-nextick-args": "~2.0.0",
+    "safe-buffer": "~5.1.1",
+    "string_decoder": "~1.1.1",
+    "util-deprecate": "~1.0.1"
+  },
+  "deprecated": false,
+  "description": "Streams3, a user-land copy of the stream library from Node.js",
+  "devDependencies": {
+    "assert": "^1.4.0",
+    "babel-polyfill": "^6.9.1",
+    "buffer": "^4.9.0",
+    "lolex": "^2.3.2",
+    "nyc": "^6.4.0",
+    "tap": "^0.7.0",
+    "tape": "^4.8.0"
+  },
+  "homepage": "https://github.com/nodejs/readable-stream#readme",
+  "keywords": [
+    "readable",
+    "stream",
+    "pipe"
+  ],
+  "license": "MIT",
+  "main": "readable.js",
+  "name": "readable-stream",
+  "nyc": {
+    "include": [
+      "lib/**.js"
+    ]
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/nodejs/readable-stream.git"
+  },
+  "scripts": {
+    "ci": "tap test/parallel/*.js test/ours/*.js --tap | tee test.tap && node test/verify-dependencies.js",
+    "cover": "nyc npm test",
+    "report": "nyc report --reporter=lcov",
+    "test": "tap test/parallel/*.js test/ours/*.js && node test/verify-dependencies.js"
+  },
+  "version": "2.3.7"
+}

+module.exports = require('./readable').PassThrough

+exports = module.exports = require('./lib/_stream_readable.js');
+exports.Stream = exports;
+exports.Readable = exports;
+exports.Writable = require('./lib/_stream_writable.js');
+exports.Duplex = require('./lib/_stream_duplex.js');
+exports.Transform = require('./lib/_stream_transform.js');
+exports.PassThrough = require('./lib/_stream_passthrough.js');

+var Stream = require('stream');
+if (process.env.READABLE_STREAM === 'disable' && Stream) {
+  module.exports = Stream;
+  exports = module.exports = Stream.Readable;
+  exports.Readable = Stream.Readable;
+  exports.Writable = Stream.Writable;
+  exports.Duplex = Stream.Duplex;
+  exports.Transform = Stream.Transform;
+  exports.PassThrough = Stream.PassThrough;
+  exports.Stream = Stream;
+} else {
+  exports = module.exports = require('./lib/_stream_readable.js');
+  exports.Stream = Stream || exports;
+  exports.Readable = exports;
+  exports.Writable = require('./lib/_stream_writable.js');
+  exports.Duplex = require('./lib/_stream_duplex.js');
+  exports.Transform = require('./lib/_stream_transform.js');
+  exports.PassThrough = require('./lib/_stream_passthrough.js');
+}

+module.exports = require('./readable').Transform

+module.exports = require('./lib/_stream_writable.js');

+var Stream = require("stream")
+var Writable = require("./lib/_stream_writable.js")
+
+if (process.env.READABLE_STREAM === 'disable') {
+  module.exports = Stream && Stream.Writable || Writable
+} else {
+  module.exports = Writable
+}

+sudo: false
+language: node_js
+before_install:
+  - npm install -g npm@2
+  - test $NPM_LEGACY && npm install -g npm@latest-3 || npm install npm -g
+notifications:
+  email: false
+matrix:
+  fast_finish: true
+  include:
+  - node_js: '0.8'
+    env:
+      - TASK=test
+      - NPM_LEGACY=true
+  - node_js: '0.10'
+    env:
+      - TASK=test
+      - NPM_LEGACY=true
+  - node_js: '0.11'
+    env:
+      - TASK=test
+      - NPM_LEGACY=true
+  - node_js: '0.12'
+    env:
+      - TASK=test
+      - NPM_LEGACY=true
+  - node_js: 1
+    env:
+      - TASK=test
+      - NPM_LEGACY=true
+  - node_js: 2
+    env:
+      - TASK=test
+      - NPM_LEGACY=true
+  - node_js: 3
+    env:
+      - TASK=test
+      - NPM_LEGACY=true
+  - node_js: 4
+    env: TASK=test
+  - node_js: 5
+    env: TASK=test
+  - node_js: 6
+    env: TASK=test
+  - node_js: 7
+    env: TASK=test
+  - node_js: 8
+    env: TASK=test
+  - node_js: 9
+    env: TASK=test

+Node.js is licensed for use as follows:
+
+"""
+Copyright Node.js contributors. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""
+
+This license applies to parts of Node.js originating from the
+https://github.com/joyent/node repository:
+
+"""
+Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""
+

+# string_decoder
+
+***Node-core v8.9.4 string_decoder for userland***
+
+
+[![NPM](https://nodei.co/npm/string_decoder.png?downloads=true&downloadRank=true)](https://nodei.co/npm/string_decoder/)
+[![NPM](https://nodei.co/npm-dl/string_decoder.png?&months=6&height=3)](https://nodei.co/npm/string_decoder/)
+
+
+```bash
+npm install --save string_decoder
+```
+
+***Node-core string_decoder for userland***
+
+This package is a mirror of the string_decoder implementation in Node-core.
+
+Full documentation may be found on the [Node.js website](https://nodejs.org/dist/v8.9.4/docs/api/).
+
+As of version 1.0.0 **string_decoder** uses semantic versioning.
+
+## Previous versions
+
+Previous version numbers match the versions found in Node core, e.g. 0.10.24 matches Node 0.10.24, likewise 0.11.10 matches Node 0.11.10.
+
+## Update
+
+The *build/* directory contains a build script that will scrape the source from the [nodejs/node](https://github.com/nodejs/node) repo given a specific Node version.
+
+## Streams Working Group
+
+`string_decoder` is maintained by the Streams Working Group, which
+oversees the development and maintenance of the Streams API within
+Node.js. The responsibilities of the Streams Working Group include:
+
+* Addressing stream issues on the Node.js issue tracker.
+* Authoring and editing stream documentation within the Node.js project.
+* Reviewing changes to stream subclasses within the Node.js project.
+* Redirecting changes to streams from the Node.js project to this
+  project.
+* Assisting in the implementation of stream providers within Node.js.
+* Recommending versions of `readable-stream` to be included in Node.js.
+* Messaging about the future of streams to give the community advance
+  notice of changes.
+
+See [readable-stream](https://github.com/nodejs/readable-stream) for
+more details.

+{
+  "_from": "string_decoder@~1.1.1",
+  "_id": "string_decoder@1.1.1",
+  "_inBundle": false,
+  "_integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+  "_location": "/concat-stream/string_decoder",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "string_decoder@~1.1.1",
+    "name": "string_decoder",
+    "escapedName": "string_decoder",
+    "rawSpec": "~1.1.1",
+    "saveSpec": null,
+    "fetchSpec": "~1.1.1"
+  },
+  "_requiredBy": [
+    "/concat-stream/readable-stream"
+  ],
+  "_resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+  "_shasum": "9cf1611ba62685d7030ae9e4ba34149c3af03fc8",
+  "_spec": "string_decoder@~1.1.1",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\concat-stream\\node_modules\\readable-stream",
+  "bugs": {
+    "url": "https://github.com/nodejs/string_decoder/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "safe-buffer": "~5.1.0"
+  },
+  "deprecated": false,
+  "description": "The string_decoder module from Node core",
+  "devDependencies": {
+    "babel-polyfill": "^6.23.0",
+    "core-util-is": "^1.0.2",
+    "inherits": "^2.0.3",
+    "tap": "~0.4.8"
+  },
+  "homepage": "https://github.com/nodejs/string_decoder",
+  "keywords": [
+    "string",
+    "decoder",
+    "browser",
+    "browserify"
+  ],
+  "license": "MIT",
+  "main": "lib/string_decoder.js",
+  "name": "string_decoder",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/nodejs/string_decoder.git"
+  },
+  "scripts": {
+    "ci": "tap test/parallel/*.js test/ours/*.js --tap | tee test.tap && node test/verify-dependencies.js",
+    "test": "tap test/parallel/*.js && node test/verify-dependencies"
+  },
+  "version": "1.1.1"
+}

+{
+  "_from": "concat-stream@^1.5.2",
+  "_id": "concat-stream@1.6.2",
+  "_inBundle": false,
+  "_integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
+  "_location": "/concat-stream",
+  "_phantomChildren": {
+    "core-util-is": "1.0.2",
+    "inherits": "2.0.4",
+    "process-nextick-args": "2.0.1",
+    "safe-buffer": "5.1.2",
+    "util-deprecate": "1.0.2"
+  },
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "concat-stream@^1.5.2",
+    "name": "concat-stream",
+    "escapedName": "concat-stream",
+    "rawSpec": "^1.5.2",
+    "saveSpec": null,
+    "fetchSpec": "^1.5.2"
+  },
+  "_requiredBy": [
+    "/multer"
+  ],
+  "_resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
+  "_shasum": "904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34",
+  "_spec": "concat-stream@^1.5.2",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\multer",
+  "author": {
+    "name": "Max Ogden",
+    "email": "max@maxogden.com"
+  },
+  "bugs": {
+    "url": "http://github.com/maxogden/concat-stream/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "buffer-from": "^1.0.0",
+    "inherits": "^2.0.3",
+    "readable-stream": "^2.2.2",
+    "typedarray": "^0.0.6"
+  },
+  "deprecated": false,
+  "description": "writable stream that concatenates strings or binary data and calls a callback with the result",
+  "devDependencies": {
+    "tape": "^4.6.3"
+  },
+  "engines": [
+    "node >= 0.8"
+  ],
+  "files": [
+    "index.js"
+  ],
+  "homepage": "https://github.com/maxogden/concat-stream#readme",
+  "license": "MIT",
+  "main": "index.js",
+  "name": "concat-stream",
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/maxogden/concat-stream.git"
+  },
+  "scripts": {
+    "test": "tape test/*.js test/server/*.js"
+  },
+  "tags": [
+    "stream",
+    "simple",
+    "util",
+    "utility"
+  ],
+  "testling": {
+    "files": "test/*.js",
+    "browsers": [
+      "ie/8..latest",
+      "firefox/17..latest",
+      "firefox/nightly",
+      "chrome/22..latest",
+      "chrome/canary",
+      "opera/12..latest",
+      "opera/next",
+      "safari/5.1..latest",
+      "ipad/6.0..latest",
+      "iphone/6.0..latest",
+      "android-browser/4.2..latest"
+    ]
+  },
+  "version": "1.6.2"
+}

+# concat-stream
+
+Writable stream that concatenates all the data from a stream and calls a callback with the result. Use this when you want to collect all the data from a stream into a single buffer.
+
+[![Build Status](https://travis-ci.org/maxogden/concat-stream.svg?branch=master)](https://travis-ci.org/maxogden/concat-stream)
+
+[![NPM](https://nodei.co/npm/concat-stream.png)](https://nodei.co/npm/concat-stream/)
+
+### description
+
+Streams emit many buffers. If you want to collect all of the buffers, and when the stream ends concatenate all of the buffers together and receive a single buffer then this is the module for you.
+
+Only use this if you know you can fit all of the output of your stream into a single Buffer (e.g. in RAM).
+
+There are also `objectMode` streams that emit things other than Buffers, and you can concatenate these too. See below for details.
+
+## Related
+
+`concat-stream` is part of the [mississippi stream utility collection](https://github.com/maxogden/mississippi) which includes more useful stream modules similar to this one.
+
+### examples
+
+#### Buffers
+
+```js
+var fs = require('fs')
+var concat = require('concat-stream')
+
+var readStream = fs.createReadStream('cat.png')
+var concatStream = concat(gotPicture)
+
+readStream.on('error', handleError)
+readStream.pipe(concatStream)
+
+function gotPicture(imageBuffer) {
+  // imageBuffer is all of `cat.png` as a node.js Buffer
+}
+
+function handleError(err) {
+  // handle your error appropriately here, e.g.:
+  console.error(err) // print the error to STDERR
+  process.exit(1) // exit program with non-zero exit code
+}
+
+```
+
+#### Arrays
+
+```js
+var write = concat(function(data) {})
+write.write([1,2,3])
+write.write([4,5,6])
+write.end()
+// data will be [1,2,3,4,5,6] in the above callback
+```
+
+#### Uint8Arrays
+
+```js
+var write = concat(function(data) {})
+var a = new Uint8Array(3)
+a[0] = 97; a[1] = 98; a[2] = 99
+write.write(a)
+write.write('!')
+write.end(Buffer.from('!!1'))
+```
+
+See `test/` for more examples
+
+# methods
+
+```js
+var concat = require('concat-stream')
+```
+
+## var writable = concat(opts={}, cb)
+
+Return a `writable` stream that will fire `cb(data)` with all of the data that
+was written to the stream. Data can be written to `writable` as strings,
+Buffers, arrays of byte integers, and Uint8Arrays. 
+
+By default `concat-stream` will give you back the same data type as the type of the first buffer written to the stream. Use `opts.encoding` to set what format `data` should be returned as, e.g. if you if you don't want to rely on the built-in type checking or for some other reason.
+
+* `string` - get a string
+* `buffer` - get back a Buffer
+* `array` - get an array of byte integers
+* `uint8array`, `u8`, `uint8` - get back a Uint8Array
+* `object`, get back an array of Objects
+
+If you don't specify an encoding, and the types can't be inferred (e.g. you write things that aren't in the list above), it will try to convert concat them into a `Buffer`.
+
+If nothing is written to `writable` then `data` will be an empty array `[]`.
+
+# error handling
+
+`concat-stream` does not handle errors for you, so you must handle errors on whatever streams you pipe into `concat-stream`. This is a general rule when programming with node.js streams: always handle errors on each and every stream. Since `concat-stream` is not itself a stream it does not emit errors.
+
+We recommend using [`end-of-stream`](https://npmjs.org/end-of-stream) or [`pump`](https://npmjs.org/pump) for writing error tolerant stream code.
+
+# license
+
+MIT LICENSE

+Copyright Node.js contributors. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.

+# core-util-is
+
+The `util.is*` functions introduced in Node v0.12.

+diff --git a/lib/util.js b/lib/util.js
+index a03e874..9074e8e 100644
+--- a/lib/util.js
++++ b/lib/util.js
+@@ -19,430 +19,6 @@
+ // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ // USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+-var formatRegExp = /%[sdj%]/g;
+-exports.format = function(f) {
+-  if (!isString(f)) {
+-    var objects = [];
+-    for (var i = 0; i < arguments.length; i++) {
+-      objects.push(inspect(arguments[i]));
+-    }
+-    return objects.join(' ');
+-  }
+-
+-  var i = 1;
+-  var args = arguments;
+-  var len = args.length;
+-  var str = String(f).replace(formatRegExp, function(x) {
+-    if (x === '%%') return '%';
+-    if (i >= len) return x;
+-    switch (x) {
+-      case '%s': return String(args[i++]);
+-      case '%d': return Number(args[i++]);
+-      case '%j':
+-        try {
+-          return JSON.stringify(args[i++]);
+-        } catch (_) {
+-          return '[Circular]';
+-        }
+-      default:
+-        return x;
+-    }
+-  });
+-  for (var x = args[i]; i < len; x = args[++i]) {
+-    if (isNull(x) || !isObject(x)) {
+-      str += ' ' + x;
+-    } else {
+-      str += ' ' + inspect(x);
+-    }
+-  }
+-  return str;
+-};
+-
+-
+-// Mark that a method should not be used.
+-// Returns a modified function which warns once by default.
+-// If --no-deprecation is set, then it is a no-op.
+-exports.deprecate = function(fn, msg) {
+-  // Allow for deprecating things in the process of starting up.
+-  if (isUndefined(global.process)) {
+-    return function() {
+-      return exports.deprecate(fn, msg).apply(this, arguments);
+-    };
+-  }
+-
+-  if (process.noDeprecation === true) {
+-    return fn;
+-  }
+-
+-  var warned = false;
+-  function deprecated() {
+-    if (!warned) {
+-      if (process.throwDeprecation) {
+-        throw new Error(msg);
+-      } else if (process.traceDeprecation) {
+-        console.trace(msg);
+-      } else {
+-        console.error(msg);
+-      }
+-      warned = true;
+-    }
+-    return fn.apply(this, arguments);
+-  }
+-
+-  return deprecated;
+-};
+-
+-
+-var debugs = {};
+-var debugEnviron;
+-exports.debuglog = function(set) {
+-  if (isUndefined(debugEnviron))
+-    debugEnviron = process.env.NODE_DEBUG || '';
+-  set = set.toUpperCase();
+-  if (!debugs[set]) {
+-    if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
+-      var pid = process.pid;
+-      debugs[set] = function() {
+-        var msg = exports.format.apply(exports, arguments);
+-        console.error('%s %d: %s', set, pid, msg);
+-      };
+-    } else {
+-      debugs[set] = function() {};
+-    }
+-  }
+-  return debugs[set];
+-};
+-
+-
+-/**
+- * Echos the value of a value. Trys to print the value out
+- * in the best way possible given the different types.
+- *
+- * @param {Object} obj The object to print out.
+- * @param {Object} opts Optional options object that alters the output.
+- */
+-/* legacy: obj, showHidden, depth, colors*/
+-function inspect(obj, opts) {
+-  // default options
+-  var ctx = {
+-    seen: [],
+-    stylize: stylizeNoColor
+-  };
+-  // legacy...
+-  if (arguments.length >= 3) ctx.depth = arguments[2];
+-  if (arguments.length >= 4) ctx.colors = arguments[3];
+-  if (isBoolean(opts)) {
+-    // legacy...
+-    ctx.showHidden = opts;
+-  } else if (opts) {
+-    // got an "options" object
+-    exports._extend(ctx, opts);
+-  }
+-  // set default options
+-  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
+-  if (isUndefined(ctx.depth)) ctx.depth = 2;
+-  if (isUndefined(ctx.colors)) ctx.colors = false;
+-  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
+-  if (ctx.colors) ctx.stylize = stylizeWithColor;
+-  return formatValue(ctx, obj, ctx.depth);
+-}
+-exports.inspect = inspect;
+-
+-
+-// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
+-inspect.colors = {
+-  'bold' : [1, 22],
+-  'italic' : [3, 23],
+-  'underline' : [4, 24],
+-  'inverse' : [7, 27],
+-  'white' : [37, 39],
+-  'grey' : [90, 39],
+-  'black' : [30, 39],
+-  'blue' : [34, 39],
+-  'cyan' : [36, 39],
+-  'green' : [32, 39],
+-  'magenta' : [35, 39],
+-  'red' : [31, 39],
+-  'yellow' : [33, 39]
+-};
+-
+-// Don't use 'blue' not visible on cmd.exe
+-inspect.styles = {
+-  'special': 'cyan',
+-  'number': 'yellow',
+-  'boolean': 'yellow',
+-  'undefined': 'grey',
+-  'null': 'bold',
+-  'string': 'green',
+-  'date': 'magenta',
+-  // "name": intentionally not styling
+-  'regexp': 'red'
+-};
+-
+-
+-function stylizeWithColor(str, styleType) {
+-  var style = inspect.styles[styleType];
+-
+-  if (style) {
+-    return '\u001b[' + inspect.colors[style][0] + 'm' + str +
+-           '\u001b[' + inspect.colors[style][1] + 'm';
+-  } else {
+-    return str;
+-  }
+-}
+-
+-
+-function stylizeNoColor(str, styleType) {
+-  return str;
+-}
+-
+-
+-function arrayToHash(array) {
+-  var hash = {};
+-
+-  array.forEach(function(val, idx) {
+-    hash[val] = true;
+-  });
+-
+-  return hash;
+-}
+-
+-
+-function formatValue(ctx, value, recurseTimes) {
+-  // Provide a hook for user-specified inspect functions.
+-  // Check that value is an object with an inspect function on it
+-  if (ctx.customInspect &&
+-      value &&
+-      isFunction(value.inspect) &&
+-      // Filter out the util module, it's inspect function is special
+-      value.inspect !== exports.inspect &&
+-      // Also filter out any prototype objects using the circular check.
+-      !(value.constructor && value.constructor.prototype === value)) {
+-    var ret = value.inspect(recurseTimes, ctx);
+-    if (!isString(ret)) {
+-      ret = formatValue(ctx, ret, recurseTimes);
+-    }
+-    return ret;
+-  }
+-
+-  // Primitive types cannot have properties
+-  var primitive = formatPrimitive(ctx, value);
+-  if (primitive) {
+-    return primitive;
+-  }
+-
+-  // Look up the keys of the object.
+-  var keys = Object.keys(value);
+-  var visibleKeys = arrayToHash(keys);
+-
+-  if (ctx.showHidden) {
+-    keys = Object.getOwnPropertyNames(value);
+-  }
+-
+-  // Some type of object without properties can be shortcutted.
+-  if (keys.length === 0) {
+-    if (isFunction(value)) {
+-      var name = value.name ? ': ' + value.name : '';
+-      return ctx.stylize('[Function' + name + ']', 'special');
+-    }
+-    if (isRegExp(value)) {
+-      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+-    }
+-    if (isDate(value)) {
+-      return ctx.stylize(Date.prototype.toString.call(value), 'date');
+-    }
+-    if (isError(value)) {
+-      return formatError(value);
+-    }
+-  }
+-
+-  var base = '', array = false, braces = ['{', '}'];
+-
+-  // Make Array say that they are Array
+-  if (isArray(value)) {
+-    array = true;
+-    braces = ['[', ']'];
+-  }
+-
+-  // Make functions say that they are functions
+-  if (isFunction(value)) {
+-    var n = value.name ? ': ' + value.name : '';
+-    base = ' [Function' + n + ']';
+-  }
+-
+-  // Make RegExps say that they are RegExps
+-  if (isRegExp(value)) {
+-    base = ' ' + RegExp.prototype.toString.call(value);
+-  }
+-
+-  // Make dates with properties first say the date
+-  if (isDate(value)) {
+-    base = ' ' + Date.prototype.toUTCString.call(value);
+-  }
+-
+-  // Make error with message first say the error
+-  if (isError(value)) {
+-    base = ' ' + formatError(value);
+-  }
+-
+-  if (keys.length === 0 && (!array || value.length == 0)) {
+-    return braces[0] + base + braces[1];
+-  }
+-
+-  if (recurseTimes < 0) {
+-    if (isRegExp(value)) {
+-      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+-    } else {
+-      return ctx.stylize('[Object]', 'special');
+-    }
+-  }
+-
+-  ctx.seen.push(value);
+-
+-  var output;
+-  if (array) {
+-    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
+-  } else {
+-    output = keys.map(function(key) {
+-      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
+-    });
+-  }
+-
+-  ctx.seen.pop();
+-
+-  return reduceToSingleString(output, base, braces);
+-}
+-
+-
+-function formatPrimitive(ctx, value) {
+-  if (isUndefined(value))
+-    return ctx.stylize('undefined', 'undefined');
+-  if (isString(value)) {
+-    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
+-                                             .replace(/'/g, "\\'")
+-                                             .replace(/\\"/g, '"') + '\'';
+-    return ctx.stylize(simple, 'string');
+-  }
+-  if (isNumber(value)) {
+-    // Format -0 as '-0'. Strict equality won't distinguish 0 from -0,
+-    // so instead we use the fact that 1 / -0 < 0 whereas 1 / 0 > 0 .
+-    if (value === 0 && 1 / value < 0)
+-      return ctx.stylize('-0', 'number');
+-    return ctx.stylize('' + value, 'number');
+-  }
+-  if (isBoolean(value))
+-    return ctx.stylize('' + value, 'boolean');
+-  // For some reason typeof null is "object", so special case here.
+-  if (isNull(value))
+-    return ctx.stylize('null', 'null');
+-}
+-
+-
+-function formatError(value) {
+-  return '[' + Error.prototype.toString.call(value) + ']';
+-}
+-
+-
+-function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
+-  var output = [];
+-  for (var i = 0, l = value.length; i < l; ++i) {
+-    if (hasOwnProperty(value, String(i))) {
+-      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+-          String(i), true));
+-    } else {
+-      output.push('');
+-    }
+-  }
+-  keys.forEach(function(key) {
+-    if (!key.match(/^\d+$/)) {
+-      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+-          key, true));
+-    }
+-  });
+-  return output;
+-}
+-
+-
+-function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
+-  var name, str, desc;
+-  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
+-  if (desc.get) {
+-    if (desc.set) {
+-      str = ctx.stylize('[Getter/Setter]', 'special');
+-    } else {
+-      str = ctx.stylize('[Getter]', 'special');
+-    }
+-  } else {
+-    if (desc.set) {
+-      str = ctx.stylize('[Setter]', 'special');
+-    }
+-  }
+-  if (!hasOwnProperty(visibleKeys, key)) {
+-    name = '[' + key + ']';
+-  }
+-  if (!str) {
+-    if (ctx.seen.indexOf(desc.value) < 0) {
+-      if (isNull(recurseTimes)) {
+-        str = formatValue(ctx, desc.value, null);
+-      } else {
+-        str = formatValue(ctx, desc.value, recurseTimes - 1);
+-      }
+-      if (str.indexOf('\n') > -1) {
+-        if (array) {
+-          str = str.split('\n').map(function(line) {
+-            return '  ' + line;
+-          }).join('\n').substr(2);
+-        } else {
+-          str = '\n' + str.split('\n').map(function(line) {
+-            return '   ' + line;
+-          }).join('\n');
+-        }
+-      }
+-    } else {
+-      str = ctx.stylize('[Circular]', 'special');
+-    }
+-  }
+-  if (isUndefined(name)) {
+-    if (array && key.match(/^\d+$/)) {
+-      return str;
+-    }
+-    name = JSON.stringify('' + key);
+-    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
+-      name = name.substr(1, name.length - 2);
+-      name = ctx.stylize(name, 'name');
+-    } else {
+-      name = name.replace(/'/g, "\\'")
+-                 .replace(/\\"/g, '"')
+-                 .replace(/(^"|"$)/g, "'");
+-      name = ctx.stylize(name, 'string');
+-    }
+-  }
+-
+-  return name + ': ' + str;
+-}
+-
+-
+-function reduceToSingleString(output, base, braces) {
+-  var numLinesEst = 0;
+-  var length = output.reduce(function(prev, cur) {
+-    numLinesEst++;
+-    if (cur.indexOf('\n') >= 0) numLinesEst++;
+-    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
+-  }, 0);
+-
+-  if (length > 60) {
+-    return braces[0] +
+-           (base === '' ? '' : base + '\n ') +
+-           ' ' +
+-           output.join(',\n  ') +
+-           ' ' +
+-           braces[1];
+-  }
+-
+-  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
+-}
+-
+-
+ // NOTE: These type checking functions intentionally don't use `instanceof`
+ // because it is fragile and can be easily faked with `Object.create()`.
+ function isArray(ar) {
+@@ -522,166 +98,10 @@ function isPrimitive(arg) {
+ exports.isPrimitive = isPrimitive;
+
+ function isBuffer(arg) {
+-  return arg instanceof Buffer;
++  return Buffer.isBuffer(arg);
+ }
+ exports.isBuffer = isBuffer;
+
+ function objectToString(o) {
+   return Object.prototype.toString.call(o);
+-}
+-
+-
+-function pad(n) {
+-  return n < 10 ? '0' + n.toString(10) : n.toString(10);
+-}
+-
+-
+-var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
+-              'Oct', 'Nov', 'Dec'];
+-
+-// 26 Feb 16:19:34
+-function timestamp() {
+-  var d = new Date();
+-  var time = [pad(d.getHours()),
+-              pad(d.getMinutes()),
+-              pad(d.getSeconds())].join(':');
+-  return [d.getDate(), months[d.getMonth()], time].join(' ');
+-}
+-
+-
+-// log is just a thin wrapper to console.log that prepends a timestamp
+-exports.log = function() {
+-  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
+-};
+-
+-
+-/**
+- * Inherit the prototype methods from one constructor into another.
+- *
+- * The Function.prototype.inherits from lang.js rewritten as a standalone
+- * function (not on Function.prototype). NOTE: If this file is to be loaded
+- * during bootstrapping this function needs to be rewritten using some native
+- * functions as prototype setup using normal JavaScript does not work as
+- * expected during bootstrapping (see mirror.js in r114903).
+- *
+- * @param {function} ctor Constructor function which needs to inherit the
+- *     prototype.
+- * @param {function} superCtor Constructor function to inherit prototype from.
+- */
+-exports.inherits = function(ctor, superCtor) {
+-  ctor.super_ = superCtor;
+-  ctor.prototype = Object.create(superCtor.prototype, {
+-    constructor: {
+-      value: ctor,
+-      enumerable: false,
+-      writable: true,
+-      configurable: true
+-    }
+-  });
+-};
+-
+-exports._extend = function(origin, add) {
+-  // Don't do anything if add isn't an object
+-  if (!add || !isObject(add)) return origin;
+-
+-  var keys = Object.keys(add);
+-  var i = keys.length;
+-  while (i--) {
+-    origin[keys[i]] = add[keys[i]];
+-  }
+-  return origin;
+-};
+-
+-function hasOwnProperty(obj, prop) {
+-  return Object.prototype.hasOwnProperty.call(obj, prop);
+-}
+-
+-
+-// Deprecated old stuff.
+-
+-exports.p = exports.deprecate(function() {
+-  for (var i = 0, len = arguments.length; i < len; ++i) {
+-    console.error(exports.inspect(arguments[i]));
+-  }
+-}, 'util.p: Use console.error() instead');
+-
+-
+-exports.exec = exports.deprecate(function() {
+-  return require('child_process').exec.apply(this, arguments);
+-}, 'util.exec is now called `child_process.exec`.');
+-
+-
+-exports.print = exports.deprecate(function() {
+-  for (var i = 0, len = arguments.length; i < len; ++i) {
+-    process.stdout.write(String(arguments[i]));
+-  }
+-}, 'util.print: Use console.log instead');
+-
+-
+-exports.puts = exports.deprecate(function() {
+-  for (var i = 0, len = arguments.length; i < len; ++i) {
+-    process.stdout.write(arguments[i] + '\n');
+-  }
+-}, 'util.puts: Use console.log instead');
+-
+-
+-exports.debug = exports.deprecate(function(x) {
+-  process.stderr.write('DEBUG: ' + x + '\n');
+-}, 'util.debug: Use console.error instead');
+-
+-
+-exports.error = exports.deprecate(function(x) {
+-  for (var i = 0, len = arguments.length; i < len; ++i) {
+-    process.stderr.write(arguments[i] + '\n');
+-  }
+-}, 'util.error: Use console.error instead');
+-
+-
+-exports.pump = exports.deprecate(function(readStream, writeStream, callback) {
+-  var callbackCalled = false;
+-
+-  function call(a, b, c) {
+-    if (callback && !callbackCalled) {
+-      callback(a, b, c);
+-      callbackCalled = true;
+-    }
+-  }
+-
+-  readStream.addListener('data', function(chunk) {
+-    if (writeStream.write(chunk) === false) readStream.pause();
+-  });
+-
+-  writeStream.addListener('drain', function() {
+-    readStream.resume();
+-  });
+-
+-  readStream.addListener('end', function() {
+-    writeStream.end();
+-  });
+-
+-  readStream.addListener('close', function() {
+-    call();
+-  });
+-
+-  readStream.addListener('error', function(err) {
+-    writeStream.end();
+-    call(err);
+-  });
+-
+-  writeStream.addListener('error', function(err) {
+-    readStream.destroy();
+-    call(err);
+-  });
+-}, 'util.pump(): Use readableStream.pipe() instead');
+-
+-
+-var uv;
+-exports._errnoException = function(err, syscall) {
+-  if (isUndefined(uv)) uv = process.binding('uv');
+-  var errname = uv.errname(err);
+-  var e = new Error(syscall + ' ' + errname);
+-  e.code = errname;
+-  e.errno = errname;
+-  e.syscall = syscall;
+-  return e;
+-};
++}
\ No newline at end of file

+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// NOTE: These type checking functions intentionally don't use `instanceof`
+// because it is fragile and can be easily faked with `Object.create()`.
+
+function isArray(arg) {
+  if (Array.isArray) {
+    return Array.isArray(arg);
+  }
+  return objectToString(arg) === '[object Array]';
+}
+exports.isArray = isArray;
+
+function isBoolean(arg) {
+  return typeof arg === 'boolean';
+}
+exports.isBoolean = isBoolean;
+
+function isNull(arg) {
+  return arg === null;
+}
+exports.isNull = isNull;
+
+function isNullOrUndefined(arg) {
+  return arg == null;
+}
+exports.isNullOrUndefined = isNullOrUndefined;
+
+function isNumber(arg) {
+  return typeof arg === 'number';
+}
+exports.isNumber = isNumber;
+
+function isString(arg) {
+  return typeof arg === 'string';
+}
+exports.isString = isString;
+
+function isSymbol(arg) {
+  return typeof arg === 'symbol';
+}
+exports.isSymbol = isSymbol;
+
+function isUndefined(arg) {
+  return arg === void 0;
+}
+exports.isUndefined = isUndefined;
+
+function isRegExp(re) {
+  return objectToString(re) === '[object RegExp]';
+}
+exports.isRegExp = isRegExp;
+
+function isObject(arg) {
+  return typeof arg === 'object' && arg !== null;
+}
+exports.isObject = isObject;
+
+function isDate(d) {
+  return objectToString(d) === '[object Date]';
+}
+exports.isDate = isDate;
+
+function isError(e) {
+  return (objectToString(e) === '[object Error]' || e instanceof Error);
+}
+exports.isError = isError;
+
+function isFunction(arg) {
+  return typeof arg === 'function';
+}
+exports.isFunction = isFunction;
+
+function isPrimitive(arg) {
+  return arg === null ||
+         typeof arg === 'boolean' ||
+         typeof arg === 'number' ||
+         typeof arg === 'string' ||
+         typeof arg === 'symbol' ||  // ES6 symbol
+         typeof arg === 'undefined';
+}
+exports.isPrimitive = isPrimitive;
+
+exports.isBuffer = Buffer.isBuffer;
+
+function objectToString(o) {
+  return Object.prototype.toString.call(o);
+}

+{
+  "_from": "core-util-is@~1.0.0",
+  "_id": "core-util-is@1.0.2",
+  "_inBundle": false,
+  "_integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
+  "_location": "/core-util-is",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "core-util-is@~1.0.0",
+    "name": "core-util-is",
+    "escapedName": "core-util-is",
+    "rawSpec": "~1.0.0",
+    "saveSpec": null,
+    "fetchSpec": "~1.0.0"
+  },
+  "_requiredBy": [
+    "/concat-stream/readable-stream",
+    "/readable-stream"
+  ],
+  "_resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
+  "_shasum": "b5fd54220aa2bc5ab57aab7140c940754503c1a7",
+  "_spec": "core-util-is@~1.0.0",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\readable-stream",
+  "author": {
+    "name": "Isaac Z. Schlueter",
+    "email": "i@izs.me",
+    "url": "http://blog.izs.me/"
+  },
+  "bugs": {
+    "url": "https://github.com/isaacs/core-util-is/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "The `util.is*` functions introduced in Node v0.12.",
+  "devDependencies": {
+    "tap": "^2.3.0"
+  },
+  "homepage": "https://github.com/isaacs/core-util-is#readme",
+  "keywords": [
+    "util",
+    "isBuffer",
+    "isArray",
+    "isNumber",
+    "isString",
+    "isRegExp",
+    "isThis",
+    "isThat",
+    "polyfill"
+  ],
+  "license": "MIT",
+  "main": "lib/util.js",
+  "name": "core-util-is",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/isaacs/core-util-is.git"
+  },
+  "scripts": {
+    "test": "tap test.js"
+  },
+  "version": "1.0.2"
+}

+var assert = require('tap');
+
+var t = require('./lib/util');
+
+assert.equal(t.isArray([]), true);
+assert.equal(t.isArray({}), false);
+
+assert.equal(t.isBoolean(null), false);
+assert.equal(t.isBoolean(true), true);
+assert.equal(t.isBoolean(false), true);
+
+assert.equal(t.isNull(null), true);
+assert.equal(t.isNull(undefined), false);
+assert.equal(t.isNull(false), false);
+assert.equal(t.isNull(), false);
+
+assert.equal(t.isNullOrUndefined(null), true);
+assert.equal(t.isNullOrUndefined(undefined), true);
+assert.equal(t.isNullOrUndefined(false), false);
+assert.equal(t.isNullOrUndefined(), true);
+
+assert.equal(t.isNumber(null), false);
+assert.equal(t.isNumber('1'), false);
+assert.equal(t.isNumber(1), true);
+
+assert.equal(t.isString(null), false);
+assert.equal(t.isString('1'), true);
+assert.equal(t.isString(1), false);
+
+assert.equal(t.isSymbol(null), false);
+assert.equal(t.isSymbol('1'), false);
+assert.equal(t.isSymbol(1), false);
+assert.equal(t.isSymbol(Symbol()), true);
+
+assert.equal(t.isUndefined(null), false);
+assert.equal(t.isUndefined(undefined), true);
+assert.equal(t.isUndefined(false), false);
+assert.equal(t.isUndefined(), true);
+
+assert.equal(t.isRegExp(null), false);
+assert.equal(t.isRegExp('1'), false);
+assert.equal(t.isRegExp(new RegExp()), true);
+
+assert.equal(t.isObject({}), true);
+assert.equal(t.isObject([]), true);
+assert.equal(t.isObject(new RegExp()), true);
+assert.equal(t.isObject(new Date()), true);
+
+assert.equal(t.isDate(null), false);
+assert.equal(t.isDate('1'), false);
+assert.equal(t.isDate(new Date()), true);
+
+assert.equal(t.isError(null), false);
+assert.equal(t.isError({ err: true }), false);
+assert.equal(t.isError(new Error()), true);
+
+assert.equal(t.isFunction(null), false);
+assert.equal(t.isFunction({ }), false);
+assert.equal(t.isFunction(function() {}), true);
+
+assert.equal(t.isPrimitive(null), true);
+assert.equal(t.isPrimitive(''), true);
+assert.equal(t.isPrimitive(0), true);
+assert.equal(t.isPrimitive(new Date()), false);
+
+assert.equal(t.isBuffer(null), false);
+assert.equal(t.isBuffer({}), false);
+assert.equal(t.isBuffer(new Buffer(0)), true);

+sudo: false
+language: cpp
+notifications:
+  email: false
+env:
+  matrix:
+  - TRAVIS_NODE_VERSION="0.10"
+  - TRAVIS_NODE_VERSION="0.12"
+  - TRAVIS_NODE_VERSION="4"
+  - TRAVIS_NODE_VERSION="5"
+install:
+  - rm -rf ~/.nvm && git clone https://github.com/creationix/nvm.git ~/.nvm && source ~/.nvm/nvm.sh && nvm install $TRAVIS_NODE_VERSION
+  - node --version
+  - npm --version
+  - npm install
+script: npm test

+Copyright Brian White. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
\ No newline at end of file

+
+Description
+===========
+
+A very fast streaming multipart parser for node.js.
+
+Benchmarks can be found [here](https://github.com/mscdex/dicer/wiki/Benchmarks).
+
+
+Requirements
+============
+
+* [node.js](http://nodejs.org/) -- v0.8.0 or newer
+
+
+Install
+============
+
+    npm install dicer
+
+
+Examples
+========
+
+* Parse an HTTP form upload
+
+```javascript
+var inspect = require('util').inspect,
+    http = require('http');
+
+var Dicer = require('dicer');
+
+    // quick and dirty way to parse multipart boundary
+var RE_BOUNDARY = /^multipart\/.+?(?:; boundary=(?:(?:"(.+)")|(?:([^\s]+))))$/i,
+    HTML = new Buffer('<html><head></head><body>\
+                       <form method="POST" enctype="multipart/form-data">\
+                         <input type="text" name="textfield"><br />\
+                         <input type="file" name="filefield"><br />\
+                         <input type="submit">\
+                       </form>\
+                       </body></html>'),
+    PORT = 8080;
+
+http.createServer(function(req, res) {
+  var m;
+  if (req.method === 'POST'
+      && req.headers['content-type']
+      && (m = RE_BOUNDARY.exec(req.headers['content-type']))) {
+    var d = new Dicer({ boundary: m[1] || m[2] });
+
+    d.on('part', function(p) {
+      console.log('New part!');
+      p.on('header', function(header) {
+        for (var h in header) {
+          console.log('Part header: k: ' + inspect(h)
+                      + ', v: ' + inspect(header[h]));
+        }
+      });
+      p.on('data', function(data) {
+        console.log('Part data: ' + inspect(data.toString()));
+      });
+      p.on('end', function() {
+        console.log('End of part\n');
+      });
+    });
+    d.on('finish', function() {
+      console.log('End of parts');
+      res.writeHead(200);
+      res.end('Form submission successful!');
+    });
+    req.pipe(d);
+  } else if (req.method === 'GET' && req.url === '/') {
+    res.writeHead(200);
+    res.end(HTML);
+  } else {
+    res.writeHead(404);
+    res.end();
+  }
+}).listen(PORT, function() {
+  console.log('Listening for requests on port ' + PORT);
+});
+```
+
+
+API
+===
+
+_Dicer_ is a _WritableStream_
+
+Dicer (special) events
+----------------------
+
+* **finish**() - Emitted when all parts have been parsed and the Dicer instance has been ended.
+
+* **part**(< _PartStream_ >stream) - Emitted when a new part has been found.
+
+* **preamble**(< _PartStream_ >stream) - Emitted for preamble if you should happen to need it (can usually be ignored).
+
+* **trailer**(< _Buffer_ >data) - Emitted when trailing data was found after the terminating boundary (as with the preamble, this can usually be ignored too).
+
+
+Dicer methods
+-------------
+
+* **(constructor)**(< _object_ >config) - Creates and returns a new Dicer instance with the following valid `config` settings:
+
+    * **boundary** - _string_ - This is the boundary used to detect the beginning of a new part.
+
+    * **headerFirst** - _boolean_ - If true, preamble header parsing will be performed first.
+
+    * **maxHeaderPairs** - _integer_ - The maximum number of header key=>value pairs to parse **Default:** 2000 (same as node's http).
+
+* **setBoundary**(< _string_ >boundary) - _(void)_ - Sets the boundary to use for parsing and performs some initialization needed for parsing. You should only need to use this if you set `headerFirst` to true in the constructor and are parsing the boundary from the preamble header.
+
+
+
+_PartStream_ is a _ReadableStream_
+
+PartStream (special) events
+---------------------------
+
+* **header**(< _object_ >header) - An object containing the header for this particular part. Each property value is an _array_ of one or more string values.

+var assert = require('assert');
+var Dicer = require('..'),
+    boundary = '-----------------------------168072824752491622650073',
+    d = new Dicer({ boundary: boundary }),
+    mb = 100,
+    buffer = createMultipartBuffer(boundary, mb * 1024 * 1024),
+    callbacks =
+      { partBegin: -1,
+        partEnd: -1,
+        headerField: -1,
+        headerValue: -1,
+        partData: -1,
+        end: -1,
+      };
+
+
+d.on('part', function(p) {
+  callbacks.partBegin++;
+  p.on('header', function(header) {
+    /*for (var h in header)
+      console.log('Part header: k: ' + inspect(h) + ', v: ' + inspect(header[h]));*/
+  });
+  p.on('data', function(data) {
+    callbacks.partData++;
+    //console.log('Part data: ' + inspect(data.toString()));
+  });
+  p.on('end', function() {
+    //console.log('End of part\n');
+    callbacks.partEnd++;
+  });
+});
+d.on('end', function() {
+  //console.log('End of parts');
+  callbacks.end++;
+});
+
+var start = +new Date(),
+    nparsed = d.write(buffer),
+    duration = +new Date - start,
+    mbPerSec = (mb / (duration / 1000)).toFixed(2);
+
+console.log(mbPerSec+' mb/sec');
+
+//assert.equal(nparsed, buffer.length);
+
+function createMultipartBuffer(boundary, size) {
+  var head =
+        '--'+boundary+'\r\n'
+      + 'content-disposition: form-data; name="field1"\r\n'
+      + '\r\n'
+    , tail = '\r\n--'+boundary+'--\r\n'
+    , buffer = new Buffer(size);
+
+  buffer.write(head, 'ascii', 0);
+  buffer.write(tail, 'ascii', buffer.length - tail.length);
+  return buffer;
+}
+
+process.on('exit', function() {
+  /*for (var k in callbacks) {
+    assert.equal(0, callbacks[k], k+' count off by '+callbacks[k]);
+  }*/
+});

+var assert = require('assert');
+require('../node_modules/formidable/test/common');
+var multipartParser = require('../node_modules/formidable/lib/multipart_parser'),
+    MultipartParser = multipartParser.MultipartParser,
+    parser = new MultipartParser(),
+    boundary = '-----------------------------168072824752491622650073',
+    mb = 100,
+    buffer = createMultipartBuffer(boundary, mb * 1024 * 1024),
+    callbacks =
+      { partBegin: -1,
+        partEnd: -1,
+        headerField: -1,
+        headerValue: -1,
+        partData: -1,
+        end: -1,
+      };
+
+
+parser.initWithBoundary(boundary);
+parser.onHeaderField = function() {
+  callbacks.headerField++;
+};
+
+parser.onHeaderValue = function() {
+  callbacks.headerValue++;
+};
+
+parser.onPartBegin = function() {
+  callbacks.partBegin++;
+};
+
+parser.onPartData = function() {
+  callbacks.partData++;
+};
+
+parser.onPartEnd = function() {
+  callbacks.partEnd++;
+};
+
+parser.onEnd = function() {
+  callbacks.end++;
+};
+
+var start = +new Date(),
+    nparsed = parser.write(buffer),
+    duration = +new Date - start,
+    mbPerSec = (mb / (duration / 1000)).toFixed(2);
+
+console.log(mbPerSec+' mb/sec');
+
+//assert.equal(nparsed, buffer.length);
+
+function createMultipartBuffer(boundary, size) {
+  var head =
+        '--'+boundary+'\r\n'
+      + 'content-disposition: form-data; name="field1"\r\n'
+      + '\r\n'
+    , tail = '\r\n--'+boundary+'--\r\n'
+    , buffer = new Buffer(size);
+
+  buffer.write(head, 'ascii', 0);
+  buffer.write(tail, 'ascii', buffer.length - tail.length);
+  return buffer;
+}
+
+process.on('exit', function() {
+  /*for (var k in callbacks) {
+    assert.equal(0, callbacks[k], k+' count off by '+callbacks[k]);
+  }*/
+});

+var assert = require('assert');
+var multipartser = require('multipartser'),
+    boundary = '-----------------------------168072824752491622650073',
+    parser = multipartser(),
+    mb = 100,
+    buffer = createMultipartBuffer(boundary, mb * 1024 * 1024),
+    callbacks =
+      { partBegin: -1,
+        partEnd: -1,
+        headerField: -1,
+        headerValue: -1,
+        partData: -1,
+        end: -1,
+      };
+
+parser.boundary( boundary );
+
+parser.on( 'part', function ( part ) {
+});
+
+parser.on( 'end', function () {
+  //console.log( 'completed parsing' );
+});
+
+parser.on( 'error', function ( error ) {
+  console.error( error );
+});
+
+var start = +new Date(),
+    nparsed = parser.data(buffer),
+    nend = parser.end(),
+    duration = +new Date - start,
+    mbPerSec = (mb / (duration / 1000)).toFixed(2);
+
+console.log(mbPerSec+' mb/sec');
+
+//assert.equal(nparsed, buffer.length);
+
+function createMultipartBuffer(boundary, size) {
+  var head =
+        '--'+boundary+'\r\n'
+      + 'content-disposition: form-data; name="field1"\r\n'
+      + '\r\n'
+    , tail = '\r\n--'+boundary+'--\r\n'
+    , buffer = new Buffer(size);
+
+  buffer.write(head, 'ascii', 0);
+  buffer.write(tail, 'ascii', buffer.length - tail.length);
+  return buffer;
+}
+
+process.on('exit', function() {
+  /*for (var k in callbacks) {
+    assert.equal(0, callbacks[k], k+' count off by '+callbacks[k]);
+  }*/
+});

+var assert = require('assert'),
+    Form = require('multiparty').Form,
+    boundary = '-----------------------------168072824752491622650073',
+    mb = 100,
+    buffer = createMultipartBuffer(boundary, mb * 1024 * 1024),
+    callbacks =
+      { partBegin: -1,
+        partEnd: -1,
+        headerField: -1,
+        headerValue: -1,
+        partData: -1,
+        end: -1,
+      };
+
+var form = new Form({ boundary: boundary });
+
+hijack('onParseHeaderField', function() {
+  callbacks.headerField++;
+});
+
+hijack('onParseHeaderValue', function() {
+  callbacks.headerValue++;
+});
+
+hijack('onParsePartBegin', function() {
+  callbacks.partBegin++;
+});
+
+hijack('onParsePartData', function() {
+  callbacks.partData++;
+});
+
+hijack('onParsePartEnd', function() {
+  callbacks.partEnd++;
+});
+
+form.on('finish', function() {
+  callbacks.end++;
+});
+
+var start = new Date();
+form.write(buffer, function(err) {
+  var duration = new Date() - start;
+  assert.ifError(err);
+  var mbPerSec = (mb / (duration / 1000)).toFixed(2);
+  console.log(mbPerSec+' mb/sec');
+});
+
+//assert.equal(nparsed, buffer.length);
+
+function createMultipartBuffer(boundary, size) {
+  var head =
+        '--'+boundary+'\r\n'
+      + 'content-disposition: form-data; name="field1"\r\n'
+      + '\r\n'
+    , tail = '\r\n--'+boundary+'--\r\n'
+    , buffer = new Buffer(size);
+
+  buffer.write(head, 'ascii', 0);
+  buffer.write(tail, 'ascii', buffer.length - tail.length);
+  return buffer;
+}
+
+process.on('exit', function() {
+  /*for (var k in callbacks) {
+    assert.equal(0, callbacks[k], k+' count off by '+callbacks[k]);
+  }*/
+});
+
+function hijack(name, fn) {
+  var oldFn = form[name];
+  form[name] = function() {
+    fn();
+    return oldFn.apply(this, arguments);
+  };
+}

+// A special, edited version of the multipart parser from parted is needed here
+// because otherwise it attempts to do some things above and beyond just parsing
+// -- like saving to disk and whatnot
+
+var assert = require('assert');
+var Parser = require('./parted-multipart'),
+    boundary = '-----------------------------168072824752491622650073',
+    parser = new Parser('boundary=' + boundary),
+    mb = 100,
+    buffer = createMultipartBuffer(boundary, mb * 1024 * 1024),
+    callbacks =
+      { partBegin: -1,
+        partEnd: -1,
+        headerField: -1,
+        headerValue: -1,
+        partData: -1,
+        end: -1,
+      };
+
+
+parser.on('header', function() {
+  //callbacks.headerField++;
+});
+
+parser.on('data', function() {
+  //callbacks.partBegin++;
+});
+
+parser.on('part', function() {
+
+});
+
+parser.on('end', function() {
+  //callbacks.end++;
+});
+
+var start = +new Date(),
+    nparsed = parser.write(buffer),
+    duration = +new Date - start,
+    mbPerSec = (mb / (duration / 1000)).toFixed(2);
+
+console.log(mbPerSec+' mb/sec');
+
+//assert.equal(nparsed, buffer.length);
+
+function createMultipartBuffer(boundary, size) {
+  var head =
+        '--'+boundary+'\r\n'
+      + 'content-disposition: form-data; name="field1"\r\n'
+      + '\r\n'
+    , tail = '\r\n--'+boundary+'--\r\n'
+    , buffer = new Buffer(size);
+
+  buffer.write(head, 'ascii', 0);
+  buffer.write(tail, 'ascii', buffer.length - tail.length);
+  return buffer;
+}
+
+process.on('exit', function() {
+  /*for (var k in callbacks) {
+    assert.equal(0, callbacks[k], k+' count off by '+callbacks[k]);
+  }*/
+});

+/**
+ * Parted (https://github.com/chjj/parted)
+ * A streaming multipart state parser.
+ * Copyright (c) 2011, Christopher Jeffrey. (MIT Licensed)
+ */
+
+var fs = require('fs')
+  , path = require('path')
+  , EventEmitter = require('events').EventEmitter
+  , StringDecoder = require('string_decoder').StringDecoder
+  , set = require('qs').set
+  , each = Array.prototype.forEach;
+
+/**
+ * Character Constants
+ */
+
+var DASH = '-'.charCodeAt(0)
+  , CR = '\r'.charCodeAt(0)
+  , LF = '\n'.charCodeAt(0)
+  , COLON = ':'.charCodeAt(0)
+  , SPACE = ' '.charCodeAt(0);
+
+/**
+ * Parser
+ */
+
+var Parser = function(type, options) {
+  if (!(this instanceof Parser)) {
+    return new Parser(type, options);
+  }
+
+  EventEmitter.call(this);
+
+  this.writable = true;
+  this.readable = true;
+
+  this.options = options || {};
+
+  var key = grab(type, 'boundary');
+  if (!key) {
+    return this._error('No boundary key found.');
+  }
+
+  this.key = new Buffer('\r\n--' + key);
+
+  this._key = {};
+  each.call(this.key, function(ch) {
+    this._key[ch] = true;
+  }, this);
+
+  this.state = 'start';
+  this.pending = 0;
+  this.written = 0;
+  this.writtenDisk = 0;
+  this.buff = new Buffer(200);
+
+  this.preamble = true;
+  this.epilogue = false;
+
+  this._reset();
+};
+
+Parser.prototype.__proto__ = EventEmitter.prototype;
+
+/**
+ * Parsing
+ */
+
+Parser.prototype.write = function(data) {
+  if (!this.writable
+      || this.epilogue) return;
+
+  try {
+    this._parse(data);
+  } catch (e) {
+    this._error(e);
+  }
+
+  return true;
+};
+
+Parser.prototype.end = function(data) {
+  if (!this.writable) return;
+
+  if (data) this.write(data);
+
+  if (!this.epilogue) {
+    return this._error('Message underflow.');
+  }
+
+  return true;
+};
+
+Parser.prototype._parse = function(data) {
+  var i = 0
+    , len = data.length
+    , buff = this.buff
+    , key = this.key
+    , ch
+    , val
+    , j;
+
+  for (; i < len; i++) {
+    if (this.pos >= 200) {
+      return this._error('Potential buffer overflow.');
+    }
+
+    ch = data[i];
+
+    switch (this.state) {
+      case 'start':
+        switch (ch) {
+          case DASH:
+            this.pos = 3;
+            this.state = 'key';
+            break;
+          default:
+            break;
+        }
+        break;
+      case 'key':
+        if (this.pos === key.length) {
+          this.state = 'key_end';
+          i--;
+        } else if (ch !== key[this.pos]) {
+          if (this.preamble) {
+            this.state = 'start';
+            i--;
+          } else {
+            this.state = 'body';
+            val = this.pos - i;
+            if (val > 0) {
+              this._write(key.slice(0, val));
+            }
+            i--;
+          }
+        } else {
+          this.pos++;
+        }
+        break;
+      case 'key_end':
+        switch (ch) {
+          case CR:
+            this.state = 'key_line_end';
+            break;
+          case DASH:
+            this.state = 'key_dash_end';
+            break;
+          default:
+            return this._error('Expected CR or DASH.');
+        }
+        break;
+      case 'key_line_end':
+        switch (ch) {
+          case LF:
+            if (this.preamble) {
+              this.preamble = false;
+            } else {
+              this._finish();
+            }
+            this.state = 'header_name';
+            this.pos = 0;
+            break;
+          default:
+            return this._error('Expected CR.');
+        }
+        break;
+      case 'key_dash_end':
+        switch (ch) {
+          case DASH:
+            this.epilogue = true;
+            this._finish();
+            return;
+          default:
+            return this._error('Expected DASH.');
+        }
+        break;
+      case 'header_name':
+        switch (ch) {
+          case COLON:
+            this.header = buff.toString('ascii', 0, this.pos);
+            this.pos = 0;
+            this.state = 'header_val';
+            break;
+          default:
+            buff[this.pos++] = ch | 32;
+            break;
+        }
+        break;
+      case 'header_val':
+        switch (ch) {
+          case CR:
+            this.state = 'header_val_end';
+            break;
+          case SPACE:
+            if (this.pos === 0) {
+              break;
+            }
+            ; // FALL-THROUGH
+          default:
+            buff[this.pos++] = ch;
+            break;
+        }
+        break;
+      case 'header_val_end':
+        switch (ch) {
+          case LF:
+            val = buff.toString('ascii', 0, this.pos);
+            this._header(this.header, val);
+            this.pos = 0;
+            this.state = 'header_end';
+            break;
+          default:
+            return this._error('Expected LF.');
+        }
+        break;
+      case 'header_end':
+        switch (ch) {
+          case CR:
+            this.state = 'head_end';
+            break;
+          default:
+            this.state = 'header_name';
+            i--;
+            break;
+        }
+        break;
+      case 'head_end':
+        switch (ch) {
+          case LF:
+            this.state = 'body';
+            i++;
+            if (i >= len) return;
+            data = data.slice(i);
+            i = -1;
+            len = data.length;
+            break;
+          default:
+            return this._error('Expected LF.');
+        }
+        break;
+      case 'body':
+        switch (ch) {
+          case CR:
+            if (i > 0) {
+              this._write(data.slice(0, i));
+            }
+            this.pos = 1;
+            this.state = 'key';
+            data = data.slice(i);
+            i = 0;
+            len = data.length;
+            break;
+          default:
+            // boyer-moore-like algorithm
+            // at felixge's suggestion
+            while ((j = i + key.length - 1) < len) {
+              if (this._key[data[j]]) break;
+              i = j;
+            }
+            break;
+        }
+        break;
+    }
+  }
+
+  if (this.state === 'body') {
+    this._write(data);
+  }
+};
+
+Parser.prototype._header = function(name, val) {
+  /*if (name === 'content-disposition') {
+    this.field = grab(val, 'name');
+    this.file = grab(val, 'filename');
+
+    if (this.file) {
+      this.data = stream(this.file, this.options.path);
+    } else {
+      this.decode = new StringDecoder('utf8');
+      this.data = '';
+    }
+  }*/
+
+  return this.emit('header', name, val);
+};
+
+Parser.prototype._write = function(data) {
+  /*if (this.data == null) {
+    return this._error('No disposition.');
+  }
+
+  if (this.file) {
+    this.data.write(data);
+    this.writtenDisk += data.length;
+  } else {
+    this.data += this.decode.write(data);
+    this.written += data.length;
+  }*/
+
+  this.emit('data', data);
+};
+
+Parser.prototype._reset = function() {
+  this.pos = 0;
+  this.decode = null;
+  this.field = null;
+  this.data = null;
+  this.file = null;
+  this.header = null;
+};
+
+Parser.prototype._error = function(err) {
+  this.destroy();
+  this.emit('error', typeof err === 'string'
+    ? new Error(err)
+    : err);
+};
+
+Parser.prototype.destroy = function(err) {
+  this.writable = false;
+  this.readable = false;
+  this._reset();
+};
+
+Parser.prototype._finish = function() {
+  var self = this
+    , field = this.field
+    , data = this.data
+    , file = this.file
+    , part;
+
+  this.pending++;
+
+  this._reset();
+
+  if (data && data.path) {
+    part = data.path;
+    data.end(next);
+  } else {
+    part = data;
+    next();
+  }
+
+  function next() {
+    if (!self.readable) return;
+
+    self.pending--;
+
+    self.emit('part', field, part);
+
+    if (data && data.path) {
+      self.emit('file', field, part, file);
+    }
+
+    if (self.epilogue && !self.pending) {
+      self.emit('end');
+      self.destroy();
+    }
+  }
+};
+
+/**
+ * Uploads
+ */
+
+Parser.root = process.platform === 'win32'
+  ? 'C:/Temp'
+  : '/tmp';
+
+/**
+ * Middleware
+ */
+
+Parser.middleware = function(options) {
+  options = options || {};
+  return function(req, res, next) {
+    if (options.ensureBody) {
+      req.body = {};
+    }
+
+    if (req.method === 'GET'
+        || req.method === 'HEAD'
+        || req._multipart) return next();
+
+    req._multipart = true;
+
+    var type = req.headers['content-type'];
+
+    if (type) type = type.split(';')[0].trim().toLowerCase();
+
+    if (type === 'multipart/form-data') {
+      Parser.handle(req, res, next, options);
+    } else {
+      next();
+    }
+  };
+};
+
+/**
+ * Handler
+ */
+
+Parser.handle = function(req, res, next, options) {
+  var parser = new Parser(req.headers['content-type'], options)
+    , diskLimit = options.diskLimit
+    , limit = options.limit
+    , parts = {}
+    , files = {};
+
+  parser.on('error', function(err) {
+    req.destroy();
+    next(err);
+  });
+
+  parser.on('part', function(field, part) {
+    set(parts, field, part);
+  });
+
+  parser.on('file', function(field, path, name) {
+    set(files, field, {
+      path: path,
+      name: name,
+      toString: function() {
+        return path;
+      }
+    });
+  });
+
+  parser.on('data', function() {
+    if (this.writtenDisk > diskLimit || this.written > limit) {
+      this.emit('error', new Error('Overflow.'));
+      this.destroy();
+    }
+  });
+
+  parser.on('end', next);
+
+  req.body = parts;
+  req.files = files;
+  req.pipe(parser);
+};
+
+/**
+ * Helpers
+ */
+
+var isWindows = process.platform === 'win32';
+
+var stream = function(name, dir) {
+  var ext = path.extname(name) || ''
+    , name = path.basename(name, ext) || ''
+    , dir = dir || Parser.root
+    , tag;
+
+  tag = Math.random().toString(36).substring(2);
+
+  name = name.substring(0, 200) + '.' + tag;
+  name = path.join(dir, name) + ext.substring(0, 6);
+  name = name.replace(/\0/g, '');
+
+  if (isWindows) {
+    name = name.replace(/[:*<>|"?]/g, '');
+  }
+
+  return fs.createWriteStream(name);
+};
+
+var grab = function(str, name) {
+  if (!str) return;
+
+  var rx = new RegExp('\\b' + name + '\\s*=\\s*("[^"]+"|\'[^\']+\'|[^;,]+)', 'i')
+    , cap = rx.exec(str);
+
+  if (cap) {
+    return cap[1].trim().replace(/^['"]|['"]$/g, '');
+  }
+};
+
+/**
+ * Expose
+ */
+
+module.exports = Parser;
\ No newline at end of file

+var WritableStream = require('stream').Writable
+                     || require('readable-stream').Writable,
+    inherits = require('util').inherits;
+
+var StreamSearch = require('streamsearch');
+
+var PartStream = require('./PartStream'),
+    HeaderParser = require('./HeaderParser');
+
+var DASH = 45,
+    B_ONEDASH = new Buffer('-'),
+    B_CRLF = new Buffer('\r\n'),
+    EMPTY_FN = function() {};
+
+function Dicer(cfg) {
+  if (!(this instanceof Dicer))
+    return new Dicer(cfg);
+  WritableStream.call(this, cfg);
+
+  if (!cfg || (!cfg.headerFirst && typeof cfg.boundary !== 'string'))
+    throw new TypeError('Boundary required');
+
+  if (typeof cfg.boundary === 'string')
+    this.setBoundary(cfg.boundary);
+  else
+    this._bparser = undefined;
+
+  this._headerFirst = cfg.headerFirst;
+
+  var self = this;
+
+  this._dashes = 0;
+  this._parts = 0;
+  this._finished = false;
+  this._realFinish = false;
+  this._isPreamble = true;
+  this._justMatched = false;
+  this._firstWrite = true;
+  this._inHeader = true;
+  this._part = undefined;
+  this._cb = undefined;
+  this._ignoreData = false;
+  this._partOpts = (typeof cfg.partHwm === 'number'
+                    ? { highWaterMark: cfg.partHwm }
+                    : {});
+  this._pause = false;
+
+  this._hparser = new HeaderParser(cfg);
+  this._hparser.on('header', function(header) {
+    self._inHeader = false;
+    self._part.emit('header', header);
+  });
+
+}
+inherits(Dicer, WritableStream);
+
+Dicer.prototype.emit = function(ev) {
+  if (ev === 'finish' && !this._realFinish) {
+    if (!this._finished) {
+      var self = this;
+      process.nextTick(function() {
+        self.emit('error', new Error('Unexpected end of multipart data'));
+        if (self._part && !self._ignoreData) {
+          var type = (self._isPreamble ? 'Preamble' : 'Part');
+          self._part.emit('error', new Error(type + ' terminated early due to unexpected end of multipart data'));
+          self._part.push(null);
+          process.nextTick(function() {
+            self._realFinish = true;
+            self.emit('finish');
+            self._realFinish = false;
+          });
+          return;
+        }
+        self._realFinish = true;
+        self.emit('finish');
+        self._realFinish = false;
+      });
+    }
+  } else
+    WritableStream.prototype.emit.apply(this, arguments);
+};
+
+Dicer.prototype._write = function(data, encoding, cb) {
+  // ignore unexpected data (e.g. extra trailer data after finished)
+  if (!this._hparser && !this._bparser)
+    return cb();
+
+  if (this._headerFirst && this._isPreamble) {
+    if (!this._part) {
+      this._part = new PartStream(this._partOpts);
+      if (this._events.preamble)
+        this.emit('preamble', this._part);
+      else
+        this._ignore();
+    }
+    var r = this._hparser.push(data);
+    if (!this._inHeader && r !== undefined && r < data.length)
+      data = data.slice(r);
+    else
+      return cb();
+  }
+
+  // allows for "easier" testing
+  if (this._firstWrite) {
+    this._bparser.push(B_CRLF);
+    this._firstWrite = false;
+  }
+
+  this._bparser.push(data);
+
+  if (this._pause)
+    this._cb = cb;
+  else
+    cb();
+};
+
+Dicer.prototype.reset = function() {
+  this._part = undefined;
+  this._bparser = undefined;
+  this._hparser = undefined;
+};
+
+Dicer.prototype.setBoundary = function(boundary) {
+  var self = this;
+  this._bparser = new StreamSearch('\r\n--' + boundary);
+  this._bparser.on('info', function(isMatch, data, start, end) {
+    self._oninfo(isMatch, data, start, end);
+  });
+};
+
+Dicer.prototype._ignore = function() {
+  if (this._part && !this._ignoreData) {
+    this._ignoreData = true;
+    this._part.on('error', EMPTY_FN);
+    // we must perform some kind of read on the stream even though we are
+    // ignoring the data, otherwise node's Readable stream will not emit 'end'
+    // after pushing null to the stream
+    this._part.resume();
+  }
+};
+
+Dicer.prototype._oninfo = function(isMatch, data, start, end) {
+  var buf, self = this, i = 0, r, ev, shouldWriteMore = true;
+
+  if (!this._part && this._justMatched && data) {
+    while (this._dashes < 2 && (start + i) < end) {
+      if (data[start + i] === DASH) {
+        ++i;
+        ++this._dashes;
+      } else {
+        if (this._dashes)
+          buf = B_ONEDASH;
+        this._dashes = 0;
+        break;
+      }
+    }
+    if (this._dashes === 2) {
+      if ((start + i) < end && this._events.trailer)
+        this.emit('trailer', data.slice(start + i, end));
+      this.reset();
+      this._finished = true;
+      // no more parts will be added
+      if (self._parts === 0) {
+        self._realFinish = true;
+        self.emit('finish');
+        self._realFinish = false;
+      }
+    }
+    if (this._dashes)
+      return;
+  }
+  if (this._justMatched)
+    this._justMatched = false;
+  if (!this._part) {
+    this._part = new PartStream(this._partOpts);
+    this._part._read = function(n) {
+      self._unpause();
+    };
+    ev = this._isPreamble ? 'preamble' : 'part';
+    if (this._events[ev])
+      this.emit(ev, this._part);
+    else
+      this._ignore();
+    if (!this._isPreamble)
+      this._inHeader = true;
+  }
+  if (data && start < end && !this._ignoreData) {
+    if (this._isPreamble || !this._inHeader) {
+      if (buf)
+        shouldWriteMore = this._part.push(buf);
+      shouldWriteMore = this._part.push(data.slice(start, end));
+      if (!shouldWriteMore)
+        this._pause = true;
+    } else if (!this._isPreamble && this._inHeader) {
+      if (buf)
+        this._hparser.push(buf);
+      r = this._hparser.push(data.slice(start, end));
+      if (!this._inHeader && r !== undefined && r < end)
+        this._oninfo(false, data, start + r, end);
+    }
+  }
+  if (isMatch) {
+    this._hparser.reset();
+    if (this._isPreamble)
+      this._isPreamble = false;
+    else {
+      ++this._parts;
+      this._part.on('end', function() {
+        if (--self._parts === 0) {
+          if (self._finished) {
+            self._realFinish = true;
+            self.emit('finish');
+            self._realFinish = false;
+          } else {
+            self._unpause();
+          }
+        }
+      });
+    }
+    this._part.push(null);
+    this._part = undefined;
+    this._ignoreData = false;
+    this._justMatched = true;
+    this._dashes = 0;
+  }
+};
+
+Dicer.prototype._unpause = function() {
+  if (!this._pause)
+    return;
+
+  this._pause = false;
+  if (this._cb) {
+    var cb = this._cb;
+    this._cb = undefined;
+    cb();
+  }
+};
+
+module.exports = Dicer;

+var EventEmitter = require('events').EventEmitter,
+    inherits = require('util').inherits;
+
+var StreamSearch = require('streamsearch');
+
+var B_DCRLF = new Buffer('\r\n\r\n'),
+    RE_CRLF = /\r\n/g,
+    RE_HDR = /^([^:]+):[ \t]?([\x00-\xFF]+)?$/,
+    MAX_HEADER_PAIRS = 2000, // from node's http.js
+    MAX_HEADER_SIZE = 80 * 1024; // from node's http_parser
+
+function HeaderParser(cfg) {
+  EventEmitter.call(this);
+
+  var self = this;
+  this.nread = 0;
+  this.maxed = false;
+  this.npairs = 0;
+  this.maxHeaderPairs = (cfg && typeof cfg.maxHeaderPairs === 'number'
+                         ? cfg.maxHeaderPairs
+                         : MAX_HEADER_PAIRS);
+  this.buffer = '';
+  this.header = {};
+  this.finished = false;
+  this.ss = new StreamSearch(B_DCRLF);
+  this.ss.on('info', function(isMatch, data, start, end) {
+    if (data && !self.maxed) {
+      if (self.nread + (end - start) > MAX_HEADER_SIZE) {
+        end = (MAX_HEADER_SIZE - self.nread);
+        self.nread = MAX_HEADER_SIZE;
+      } else
+        self.nread += (end - start);
+
+      if (self.nread === MAX_HEADER_SIZE)
+        self.maxed = true;
+
+      self.buffer += data.toString('binary', start, end);
+    }
+    if (isMatch)
+      self._finish();
+  });
+}
+inherits(HeaderParser, EventEmitter);
+
+HeaderParser.prototype.push = function(data) {
+  var r = this.ss.push(data);
+  if (this.finished)
+    return r;
+};
+
+HeaderParser.prototype.reset = function() {
+  this.finished = false;
+  this.buffer = '';
+  this.header = {};
+  this.ss.reset();
+};
+
+HeaderParser.prototype._finish = function() {
+  if (this.buffer)
+    this._parseHeader();
+  this.ss.matches = this.ss.maxMatches;
+  var header = this.header;
+  this.header = {};
+  this.buffer = '';
+  this.finished = true;
+  this.nread = this.npairs = 0;
+  this.maxed = false;
+  this.emit('header', header);
+};
+
+HeaderParser.prototype._parseHeader = function() {
+  if (this.npairs === this.maxHeaderPairs)
+    return;
+
+  var lines = this.buffer.split(RE_CRLF), len = lines.length, m, h,
+      modded = false;
+
+  for (var i = 0; i < len; ++i) {
+    if (lines[i].length === 0)
+      continue;
+    if (lines[i][0] === '\t' || lines[i][0] === ' ') {
+      // folded header content
+      // RFC2822 says to just remove the CRLF and not the whitespace following
+      // it, so we follow the RFC and include the leading whitespace ...
+      this.header[h][this.header[h].length - 1] += lines[i];
+    } else {
+      m = RE_HDR.exec(lines[i]);
+      if (m) {
+        h = m[1].toLowerCase();
+        if (m[2]) {
+          if (this.header[h] === undefined)
+            this.header[h] = [m[2]];
+          else
+            this.header[h].push(m[2]);
+        } else
+          this.header[h] = [''];
+        if (++this.npairs === this.maxHeaderPairs)
+          break;
+      } else {
+        this.buffer = lines[i];
+        modded = true;
+        break;
+      }
+    }
+  }
+  if (!modded)
+    this.buffer = '';
+};
+
+module.exports = HeaderParser;

+var inherits = require('util').inherits,
+    ReadableStream = require('stream').Readable || require('readable-stream');
+
+function PartStream(opts) {
+  ReadableStream.call(this, opts);
+}
+inherits(PartStream, ReadableStream);
+
+PartStream.prototype._read = function(n) {};
+
+module.exports = PartStream;

+{
+  "_from": "dicer@0.2.5",
+  "_id": "dicer@0.2.5",
+  "_inBundle": false,
+  "_integrity": "sha1-WZbAhrszIYyBLAkL3cCc0S+stw8=",
+  "_location": "/dicer",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "dicer@0.2.5",
+    "name": "dicer",
+    "escapedName": "dicer",
+    "rawSpec": "0.2.5",
+    "saveSpec": null,
+    "fetchSpec": "0.2.5"
+  },
+  "_requiredBy": [
+    "/busboy"
+  ],
+  "_resolved": "https://registry.npmjs.org/dicer/-/dicer-0.2.5.tgz",
+  "_shasum": "5996c086bb33218c812c090bddc09cd12facb70f",
+  "_spec": "dicer@0.2.5",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\busboy",
+  "author": {
+    "name": "Brian White",
+    "email": "mscdex@mscdex.net"
+  },
+  "bugs": {
+    "url": "https://github.com/mscdex/dicer/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "readable-stream": "1.1.x",
+    "streamsearch": "0.1.2"
+  },
+  "deprecated": false,
+  "description": "A very fast streaming multipart parser for node.js",
+  "engines": {
+    "node": ">=0.8.0"
+  },
+  "homepage": "https://github.com/mscdex/dicer#readme",
+  "keywords": [
+    "parser",
+    "parse",
+    "parsing",
+    "multipart",
+    "form-data",
+    "streaming"
+  ],
+  "licenses": [
+    {
+      "type": "MIT",
+      "url": "http://github.com/mscdex/dicer/raw/master/LICENSE"
+    }
+  ],
+  "main": "./lib/Dicer",
+  "name": "dicer",
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/mscdex/dicer.git"
+  },
+  "scripts": {
+    "test": "node test/test.js"
+  },
+  "version": "0.2.5"
+}

+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="_method"
+
+put
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="profile[blog]"
+
+
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="profile[public_email]"
+
+
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="profile[interests]"
+
+
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="profile[bio]"
+
+hello
+
+"quote"
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="commit"
+
+Save
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="media"; filename=""
+Content-Type: application/octet-stream
+
+

+put
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"_method\""]}
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"profile[blog]\""]}
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"profile[public_email]\""]}
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"profile[interests]\""]}
\ No newline at end of file

+hello
+
+"quote"
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"profile[bio]\""]}
\ No newline at end of file

+Save
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"commit\""]}
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"media\"; filename=\"\""],
+ "content-type": ["application/octet-stream"]}
\ No newline at end of file

+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="_method"
+
+put
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="profile[blog]"
+
+
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="profile[public_email]"
+
+
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="profile[interests]"
+
+
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="profile[bio]"
+
+hello
+
+"quote"
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="media"; filename=""
+Content-Type: application/octet-stream
+
+
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="commit"
+
+Save
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR--
\ No newline at end of file

+
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="_method"
+
+put
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="profile[blog]"
+
+
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="profile[public_email]"
+
+
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="profile[interests]"
+
+
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="profile[bio]"
+
+hello
+
+"quote"
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="media"; filename=""
+Content-Type: application/octet-stream
+
+
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="commit"
+
+Save
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR--
\ No newline at end of file

+Preamble terminated early due to unexpected end of multipart data
\ No newline at end of file

+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="_method"
+
+put
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="profile[blog]"
+
+
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="profile[public_email]"
+
+
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="profile[interests]"
+
+
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="profile[bio]"
+
+hello
+
+"quote"
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="media"; filename=""
+Content-Type: application/octet-stream
+
+
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR
+Content-Disposition: form-data; name="commit"
+
+Save
+------WebKitFormBoundaryWLHCs9qmcJJoyjKR--
\ No newline at end of file

+put
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"_method\""]}
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"profile[blog]\""]}
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"profile[public_email]\""]}
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"profile[interests]\""]}
\ No newline at end of file

+hello
+
+"quote"
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"profile[bio]\""]}
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"media\"; filename=\"\""],
+ "content-type": ["application/octet-stream"]}
\ No newline at end of file

+Save
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"commit\""]}
\ No newline at end of file

+User-Agent: foo bar baz
+Content-Type: multipart/form-data; boundary=AaB03x
+
+--AaB03x
+Content-Disposition: form-data; name="foo"
+
+bar
+--AaB03x
+Content-Disposition: form-data; name="files"
+Content-Type: multipart/mixed, boundary=BbC04y
+
+--BbC04y
+Content-Disposition: attachment; filename="file.txt"
+Content-Type: text/plain
+
+contents
+--BbC04y
+Content-Disposition: attachment; filename="flowers.jpg"
+Content-Type: image/jpeg
+Content-Transfer-Encoding: binary
+
+contents
+--BbC04y--
+--AaB03x--
\ No newline at end of file

+bar
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"foo\""]}

+--BbC04y
+Content-Disposition: attachment; filename="file.txt"
+Content-Type: text/plain
+
+contents
+--BbC04y
+Content-Disposition: attachment; filename="flowers.jpg"
+Content-Type: image/jpeg
+Content-Transfer-Encoding: binary
+
+contents
+--BbC04y--
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"files\""], 
+ "content-type": ["multipart/mixed, boundary=BbC04y"]}
\ No newline at end of file

+{"user-agent": ["foo bar baz"],
+ "content-type": ["multipart/form-data; boundary=AaB03x"]}
\ No newline at end of file

+--AaB03x
+Content-Disposition: form-data; name="foo"
+
+bar
+--AaB03x
+Content-Disposition: form-data; name="files"
+Content-Type: multipart/mixed, boundary=BbC04y
+
+--BbC04y
+Content-Disposition: attachment; filename="file.txt"
+Content-Type: text/plain
+
+contents
+--BbC04y
+Content-Disposition: attachment; filename="flowers.jpg"
+Content-Type: image/jpeg
+Content-Transfer-Encoding: binary
+
+contents
+--BbC04y--
+--AaB03x--
\ No newline at end of file

+bar
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"foo\""]}

+--BbC04y
+Content-Disposition: attachment; filename="file.txt"
+Content-Type: text/plain
+
+contents
+--BbC04y
+Content-Disposition: attachment; filename="flowers.jpg"
+Content-Type: image/jpeg
+Content-Transfer-Encoding: binary
+
+contents
+--BbC04y--
\ No newline at end of file

+{"content-disposition": ["form-data; name=\"files\""], 
+ "content-type": ["multipart/mixed, boundary=BbC04y"]}
\ No newline at end of file

+var Dicer = require('..');
+var assert = require('assert');
+
+var CRLF     = '\r\n';
+var boundary = 'boundary';
+
+var writeSep = '--' + boundary;
+
+var writePart = [
+  writeSep,
+  'Content-Type:   text/plain',
+  'Content-Length: 0'
+  ].join(CRLF)
+  + CRLF + CRLF
+  + 'some data' + CRLF;
+
+var writeEnd = '--' + CRLF;
+
+var firedEnd    = false;
+var firedFinish = false;
+
+var dicer = new Dicer({boundary: boundary});
+dicer.on('part', partListener);
+dicer.on('finish', finishListener);
+dicer.write(writePart+writeSep);
+
+function partListener(partReadStream) {
+  partReadStream.on('data', function(){});
+  partReadStream.on('end', partEndListener);
+}
+function partEndListener() {
+  firedEnd = true;
+  setImmediate(afterEnd);
+}
+function afterEnd() {
+  dicer.end(writeEnd);
+  setImmediate(afterWrite);
+}
+function finishListener() {
+  assert(firedEnd, 'Failed to end before finishing');
+  firedFinish = true;
+  test2();
+}
+function afterWrite() {
+  assert(firedFinish, 'Failed to finish');
+}
+
+var isPausePush = true;
+
+var firedPauseCallback = false;
+var firedPauseFinish = false;
+
+var dicer2 = null;
+
+function test2() {
+  dicer2 = new Dicer({boundary: boundary});
+  dicer2.on('part', pausePartListener);
+  dicer2.on('finish', pauseFinish);
+  dicer2.write(writePart+writeSep, 'utf8', pausePartCallback);
+  setImmediate(pauseAfterWrite);
+}
+function pausePartListener(partReadStream) {
+  partReadStream.on('data', function(){});
+  partReadStream.on('end', function(){});
+  var realPush = partReadStream.push;
+  partReadStream.push = function fakePush() {
+    realPush.apply(partReadStream, arguments);
+    if (!isPausePush)
+      return true;
+    isPausePush = false;
+    return false;
+  };
+}
+function pauseAfterWrite() {
+  dicer2.end(writeEnd);
+  setImmediate(pauseAfterEnd);
+}
+function pauseAfterEnd() {
+  assert(firedPauseCallback, 'Failed to call callback after pause');
+  assert(firedPauseFinish, 'Failed to finish after pause');
+}
+function pauseFinish() {
+  firedPauseFinish = true;
+}
+function pausePartCallback() {
+  firedPauseCallback = true;
+}

+var assert = require('assert'),
+    path = require('path');
+
+var HeaderParser = require('../lib/HeaderParser');
+
+var DCRLF = '\r\n\r\n',
+    MAXED_BUFFER = new Buffer(128 * 1024);
+MAXED_BUFFER.fill(0x41); // 'A'
+
+var group = path.basename(__filename, '.js') + '/';
+
+[
+  { source: DCRLF,
+    expected: {},
+    what: 'No header'
+  },
+  { source: ['Content-Type:\t  text/plain',
+             'Content-Length:0'
+            ].join('\r\n') + DCRLF,
+    expected: {'content-type': ['  text/plain'], 'content-length': ['0']},
+    what: 'Value spacing'
+  },
+  { source: ['Content-Type:\r\n text/plain',
+             'Foo:\r\n bar\r\n baz',
+            ].join('\r\n') + DCRLF,
+    expected: {'content-type': [' text/plain'], 'foo': [' bar baz']},
+    what: 'Folded values'
+  },
+  { source: ['Content-Type:',
+             'Foo: ',
+            ].join('\r\n') + DCRLF,
+    expected: {'content-type': [''], 'foo': ['']},
+    what: 'Empty values'
+  },
+  { source: MAXED_BUFFER.toString('ascii') + DCRLF,
+    expected: {},
+    what: 'Max header size (single chunk)'
+  },
+  { source: ['ABCDEFGHIJ', MAXED_BUFFER.toString('ascii'), DCRLF],
+    expected: {},
+    what: 'Max header size (multiple chunks #1)'
+  },
+  { source: [MAXED_BUFFER.toString('ascii'), MAXED_BUFFER.toString('ascii'), DCRLF],
+    expected: {},
+    what: 'Max header size (multiple chunk #2)'
+  },
+].forEach(function(v) {
+  var parser = new HeaderParser(),
+      fired = false;
+
+  parser.on('header', function(header) {
+    assert(!fired, makeMsg(v.what, 'Header event fired more than once'));
+    fired = true;
+    assert.deepEqual(header,
+                     v.expected,
+                     makeMsg(v.what, 'Parsed result mismatch'));
+  });
+  if (!Array.isArray(v.source))
+    v.source = [v.source];
+  v.source.forEach(function(s) {
+    parser.push(s);
+  });
+  assert(fired, makeMsg(v.what, 'Did not receive header from parser'));
+});
+
+function makeMsg(what, msg) {
+  return '[' + group + what + ']: ' + msg;
+}
\ No newline at end of file

+var Dicer = require('..');
+var assert = require('assert'),
+    fs = require('fs'),
+    path = require('path'),
+    inspect = require('util').inspect;
+
+var FIXTURES_ROOT = __dirname + '/fixtures/';
+
+var t = 0,
+    group = path.basename(__filename, '.js') + '/';
+
+var tests = [
+  { source: 'many',
+    opts: { boundary: '----WebKitFormBoundaryWLHCs9qmcJJoyjKR' },
+    chsize: 16,
+    nparts: 7,
+    what: 'Extra trailer data pushed after finished'
+  },
+];
+
+function next() {
+  if (t === tests.length)
+    return;
+  var v = tests[t],
+      fixtureBase = FIXTURES_ROOT + v.source,
+      fd,
+      n = 0,
+      buffer = new Buffer(v.chsize),
+      state = { parts: [] };
+
+  fd = fs.openSync(fixtureBase + '/original', 'r');
+
+  var dicer = new Dicer(v.opts),
+      error,
+      partErrors = 0,
+      finishes = 0;
+
+  dicer.on('part', function(p) {
+    var part = {
+      body: undefined,
+      bodylen: 0,
+      error: undefined,
+      header: undefined
+    };
+
+    p.on('header', function(h) {
+      part.header = h;
+    }).on('data', function(data) {
+      // make a copy because we are using readSync which re-uses a buffer ...
+      var copy = new Buffer(data.length);
+      data.copy(copy);
+      data = copy;
+      if (!part.body)
+        part.body = [ data ];
+      else
+        part.body.push(data);
+      part.bodylen += data.length;
+    }).on('error', function(err) {
+      part.error = err;
+      ++partErrors;
+    }).on('end', function() {
+      if (part.body)
+        part.body = Buffer.concat(part.body, part.bodylen);
+      state.parts.push(part);
+    });
+  }).on('error', function(err) {
+    error = err;
+  }).on('finish', function() {
+    assert(finishes++ === 0, makeMsg(v.what, 'finish emitted multiple times'));
+
+    if (v.dicerError)
+      assert(error !== undefined, makeMsg(v.what, 'Expected error'));
+    else
+      assert(error === undefined, makeMsg(v.what, 'Unexpected error'));
+
+    if (v.events && v.events.indexOf('part') > -1) {
+      assert.equal(state.parts.length,
+                   v.nparts,
+                   makeMsg(v.what,
+                           'Part count mismatch:\nActual: '
+                           + state.parts.length
+                           + '\nExpected: '
+                           + v.nparts));
+
+      if (!v.npartErrors)
+        v.npartErrors = 0;
+      assert.equal(partErrors,
+                   v.npartErrors,
+                   makeMsg(v.what,
+                           'Part errors mismatch:\nActual: '
+                           + partErrors
+                           + '\nExpected: '
+                           + v.npartErrors));
+
+      for (var i = 0, header, body; i < v.nparts; ++i) {
+        if (fs.existsSync(fixtureBase + '/part' + (i+1))) {
+          body = fs.readFileSync(fixtureBase + '/part' + (i+1));
+          if (body.length === 0)
+            body = undefined;
+        } else
+          body = undefined;
+        assert.deepEqual(state.parts[i].body,
+                         body,
+                         makeMsg(v.what,
+                                 'Part #' + (i+1) + ' body mismatch'));
+        if (fs.existsSync(fixtureBase + '/part' + (i+1) + '.header')) {
+          header = fs.readFileSync(fixtureBase
+                                   + '/part' + (i+1) + '.header', 'binary');
+          header = JSON.parse(header);
+        } else
+          header = undefined;
+        assert.deepEqual(state.parts[i].header,
+                         header,
+                         makeMsg(v.what,
+                                 'Part #' + (i+1)
+                                 + ' parsed header mismatch:\nActual: '
+                                 + inspect(state.parts[i].header)
+                                 + '\nExpected: '
+                                 + inspect(header)));
+      }
+    }
+    ++t;
+    next();
+  });
+
+  while (true) {
+    n = fs.readSync(fd, buffer, 0, buffer.length, null);
+    if (n === 0) {
+      setTimeout(function() {
+        dicer.write('\r\n\r\n\r\n');
+        dicer.end();
+      }, 50);
+      break;
+    }
+    dicer.write(n === buffer.length ? buffer : buffer.slice(0, n));
+  }
+  fs.closeSync(fd);
+}
+next();
+
+function makeMsg(what, msg) {
+  return '[' + group + what + ']: ' + msg;
+}
+
+process.on('exit', function() {
+  assert(t === tests.length,
+         makeMsg('_exit', 'Only ran ' + t + '/' + tests.length + ' tests'));
+});
\ No newline at end of file

+var Dicer = require('..');
+var assert = require('assert'),
+    fs = require('fs'),
+    path = require('path'),
+    inspect = require('util').inspect;
+
+var FIXTURES_ROOT = __dirname + '/fixtures/';
+
+var t = 0,
+    group = path.basename(__filename, '.js') + '/';
+
+var tests = [
+  { source: 'many',
+    opts: { boundary: '----WebKitFormBoundaryWLHCs9qmcJJoyjKR' },
+    chsize: 16,
+    nparts: 0,
+    what: 'No preamble or part listeners'
+  },
+];
+
+function next() {
+  if (t === tests.length)
+    return;
+  var v = tests[t],
+      fixtureBase = FIXTURES_ROOT + v.source,
+      fd,
+      n = 0,
+      buffer = new Buffer(v.chsize),
+      state = { done: false, parts: [], preamble: undefined };
+
+  fd = fs.openSync(fixtureBase + '/original', 'r');
+
+  var dicer = new Dicer(v.opts),
+      error,
+      partErrors = 0,
+      finishes = 0;
+
+  if (v.events && v.events.indexOf('preamble') > -1) {
+    dicer.on('preamble', function(p) {
+      var preamble = {
+        body: undefined,
+        bodylen: 0,
+        error: undefined,
+        header: undefined
+      };
+
+      p.on('header', function(h) {
+        preamble.header = h;
+      }).on('data', function(data) {
+        // make a copy because we are using readSync which re-uses a buffer ...
+        var copy = new Buffer(data.length);
+        data.copy(copy);
+        data = copy;
+        if (!preamble.body)
+          preamble.body = [ data ];
+        else
+          preamble.body.push(data);
+        preamble.bodylen += data.length;
+      }).on('error', function(err) {
+        preamble.error = err;
+      }).on('end', function() {
+        if (preamble.body)
+          preamble.body = Buffer.concat(preamble.body, preamble.bodylen);
+        if (preamble.body || preamble.header)
+          state.preamble = preamble;
+      });
+    });
+  }
+  if (v.events && v.events.indexOf('part') > -1) {
+    dicer.on('part', function(p) {
+      var part = {
+        body: undefined,
+        bodylen: 0,
+        error: undefined,
+        header: undefined
+      };
+
+      p.on('header', function(h) {
+        part.header = h;
+      }).on('data', function(data) {
+        // make a copy because we are using readSync which re-uses a buffer ...
+        var copy = new Buffer(data.length);
+        data.copy(copy);
+        data = copy;
+        if (!part.body)
+          part.body = [ data ];
+        else
+          part.body.push(data);
+        part.bodylen += data.length;
+      }).on('error', function(err) {
+        part.error = err;
+        ++partErrors;
+      }).on('end', function() {
+        if (part.body)
+          part.body = Buffer.concat(part.body, part.bodylen);
+        state.parts.push(part);
+      });
+    });
+  }
+  dicer.on('error', function(err) {
+    error = err;
+  }).on('finish', function() {
+    assert(finishes++ === 0, makeMsg(v.what, 'finish emitted multiple times'));
+
+    if (v.dicerError)
+      assert(error !== undefined, makeMsg(v.what, 'Expected error'));
+    else
+      assert(error === undefined, makeMsg(v.what, 'Unexpected error'));
+
+    if (v.events && v.events.indexOf('preamble') > -1) {
+      var preamble;
+      if (fs.existsSync(fixtureBase + '/preamble')) {
+        var prebody = fs.readFileSync(fixtureBase + '/preamble');
+        if (prebody.length) {
+          preamble = {
+            body: prebody,
+            bodylen: prebody.length,
+            error: undefined,
+            header: undefined
+          };
+        }
+      }
+      if (fs.existsSync(fixtureBase + '/preamble.header')) {
+        var prehead = JSON.parse(fs.readFileSync(fixtureBase
+                                                 + '/preamble.header', 'binary'));
+        if (!preamble) {
+          preamble = {
+            body: undefined,
+            bodylen: 0,
+            error: undefined,
+            header: prehead
+          };
+        } else
+          preamble.header = prehead;
+      }
+      if (fs.existsSync(fixtureBase + '/preamble.error')) {
+        var err = new Error(fs.readFileSync(fixtureBase
+                                            + '/preamble.error', 'binary'));
+        if (!preamble) {
+          preamble = {
+            body: undefined,
+            bodylen: 0,
+            error: err,
+            header: undefined
+          };
+        } else
+          preamble.error = err;
+      }
+
+      assert.deepEqual(state.preamble,
+                       preamble,
+                       makeMsg(v.what,
+                               'Preamble mismatch:\nActual:'
+                               + inspect(state.preamble)
+                               + '\nExpected: '
+                               + inspect(preamble)));
+    }
+
+    if (v.events && v.events.indexOf('part') > -1) {
+      assert.equal(state.parts.length,
+                   v.nparts,
+                   makeMsg(v.what,
+                           'Part count mismatch:\nActual: '
+                           + state.parts.length
+                           + '\nExpected: '
+                           + v.nparts));
+
+      if (!v.npartErrors)
+        v.npartErrors = 0;
+      assert.equal(partErrors,
+                   v.npartErrors,
+                   makeMsg(v.what,
+                           'Part errors mismatch:\nActual: '
+                           + partErrors
+                           + '\nExpected: '
+                           + v.npartErrors));
+
+      for (var i = 0, header, body; i < v.nparts; ++i) {
+        if (fs.existsSync(fixtureBase + '/part' + (i+1))) {
+          body = fs.readFileSync(fixtureBase + '/part' + (i+1));
+          if (body.length === 0)
+            body = undefined;
+        } else
+          body = undefined;
+        assert.deepEqual(state.parts[i].body,
+                         body,
+                         makeMsg(v.what,
+                                 'Part #' + (i+1) + ' body mismatch'));
+        if (fs.existsSync(fixtureBase + '/part' + (i+1) + '.header')) {
+          header = fs.readFileSync(fixtureBase
+                                   + '/part' + (i+1) + '.header', 'binary');
+          header = JSON.parse(header);
+        } else
+          header = undefined;
+        assert.deepEqual(state.parts[i].header,
+                         header,
+                         makeMsg(v.what,
+                                 'Part #' + (i+1)
+                                 + ' parsed header mismatch:\nActual: '
+                                 + inspect(state.parts[i].header)
+                                 + '\nExpected: '
+                                 + inspect(header)));
+      }
+    }
+    ++t;
+    next();
+  });
+
+  while (true) {
+    n = fs.readSync(fd, buffer, 0, buffer.length, null);
+    if (n === 0) {
+      dicer.end();
+      break;
+    }
+    dicer.write(n === buffer.length ? buffer : buffer.slice(0, n));
+  }
+  fs.closeSync(fd);
+}
+next();
+
+function makeMsg(what, msg) {
+  return '[' + group + what + ']: ' + msg;
+}
+
+process.on('exit', function() {
+  assert(t === tests.length,
+         makeMsg('_exit', 'Only ran ' + t + '/' + tests.length + ' tests'));
+});
\ No newline at end of file

+var Dicer = require('..');
+var assert = require('assert'),
+    fs = require('fs'),
+    path = require('path'),
+    inspect = require('util').inspect;
+
+var FIXTURES_ROOT = __dirname + '/fixtures/';
+
+var t = 0,
+    group = path.basename(__filename, '.js') + '/';
+
+var tests = [
+  { source: 'nested',
+    opts: { boundary: 'AaB03x' },
+    chsize: 32,
+    nparts: 2,
+    what: 'One nested multipart'
+  },
+  { source: 'many',
+    opts: { boundary: '----WebKitFormBoundaryWLHCs9qmcJJoyjKR' },
+    chsize: 16,
+    nparts: 7,
+    what: 'Many parts'
+  },
+  { source: 'many-wrongboundary',
+    opts: { boundary: 'LOLOLOL' },
+    chsize: 8,
+    nparts: 0,
+    dicerError: true,
+    what: 'Many parts, wrong boundary'
+  },
+  { source: 'many-noend',
+    opts: { boundary: '----WebKitFormBoundaryWLHCs9qmcJJoyjKR' },
+    chsize: 16,
+    nparts: 7,
+    npartErrors: 1,
+    dicerError: true,
+    what: 'Many parts, end boundary missing, 1 file open'
+  },
+  { source: 'nested-full',
+    opts: { boundary: 'AaB03x', headerFirst: true },
+    chsize: 32,
+    nparts: 2,
+    what: 'One nested multipart with preceding header'
+  },
+  { source: 'nested-full',
+    opts: { headerFirst: true },
+    chsize: 32,
+    nparts: 2,
+    setBoundary: 'AaB03x',
+    what: 'One nested multipart with preceding header, using setBoundary'
+  },
+];
+
+function next() {
+  if (t === tests.length)
+    return;
+  var v = tests[t],
+      fixtureBase = FIXTURES_ROOT + v.source,
+      n = 0,
+      buffer = new Buffer(v.chsize),
+      state = { parts: [], preamble: undefined };
+
+  var dicer = new Dicer(v.opts),
+      error,
+      partErrors = 0,
+      finishes = 0;
+
+  dicer.on('preamble', function(p) {
+    var preamble = {
+      body: undefined,
+      bodylen: 0,
+      error: undefined,
+      header: undefined
+    };
+
+    p.on('header', function(h) {
+      preamble.header = h;
+      if (v.setBoundary)
+        dicer.setBoundary(v.setBoundary);
+    }).on('data', function(data) {
+      // make a copy because we are using readSync which re-uses a buffer ...
+      var copy = new Buffer(data.length);
+      data.copy(copy);
+      data = copy;
+      if (!preamble.body)
+        preamble.body = [ data ];
+      else
+        preamble.body.push(data);
+      preamble.bodylen += data.length;
+    }).on('error', function(err) {
+      preamble.error = err;
+    }).on('end', function() {
+      if (preamble.body)
+        preamble.body = Buffer.concat(preamble.body, preamble.bodylen);
+      if (preamble.body || preamble.header)
+        state.preamble = preamble;
+    });
+  });
+  dicer.on('part', function(p) {
+    var part = {
+      body: undefined,
+      bodylen: 0,
+      error: undefined,
+      header: undefined
+    };
+
+    p.on('header', function(h) {
+      part.header = h;
+    }).on('data', function(data) {
+      if (!part.body)
+        part.body = [ data ];
+      else
+        part.body.push(data);
+      part.bodylen += data.length;
+    }).on('error', function(err) {
+      part.error = err;
+      ++partErrors;
+    }).on('end', function() {
+      if (part.body)
+        part.body = Buffer.concat(part.body, part.bodylen);
+      state.parts.push(part);
+    });
+  }).on('error', function(err) {
+    error = err;
+  }).on('finish', function() {
+    assert(finishes++ === 0, makeMsg(v.what, 'finish emitted multiple times'));
+
+    if (v.dicerError)
+      assert(error !== undefined, makeMsg(v.what, 'Expected error'));
+    else
+      assert(error === undefined, makeMsg(v.what, 'Unexpected error: ' + error));
+
+    var preamble;
+    if (fs.existsSync(fixtureBase + '/preamble')) {
+      var prebody = fs.readFileSync(fixtureBase + '/preamble');
+      if (prebody.length) {
+        preamble = {
+          body: prebody,
+          bodylen: prebody.length,
+          error: undefined,
+          header: undefined
+        };
+      }
+    }
+    if (fs.existsSync(fixtureBase + '/preamble.header')) {
+      var prehead = JSON.parse(fs.readFileSync(fixtureBase
+                                               + '/preamble.header', 'binary'));
+      if (!preamble) {
+        preamble = {
+          body: undefined,
+          bodylen: 0,
+          error: undefined,
+          header: prehead
+        };
+      } else
+        preamble.header = prehead;
+    }
+    if (fs.existsSync(fixtureBase + '/preamble.error')) {
+      var err = new Error(fs.readFileSync(fixtureBase
+                                          + '/preamble.error', 'binary'));
+      if (!preamble) {
+        preamble = {
+          body: undefined,
+          bodylen: 0,
+          error: err,
+          header: undefined
+        };
+      } else
+        preamble.error = err;
+    }
+
+    assert.deepEqual(state.preamble,
+                     preamble,
+                     makeMsg(v.what,
+                             'Preamble mismatch:\nActual:'
+                             + inspect(state.preamble)
+                             + '\nExpected: '
+                             + inspect(preamble)));
+
+    assert.equal(state.parts.length,
+                 v.nparts,
+                 makeMsg(v.what,
+                         'Part count mismatch:\nActual: '
+                         + state.parts.length
+                         + '\nExpected: '
+                         + v.nparts));
+
+    if (!v.npartErrors)
+      v.npartErrors = 0;
+    assert.equal(partErrors,
+                 v.npartErrors,
+                 makeMsg(v.what,
+                         'Part errors mismatch:\nActual: '
+                         + partErrors
+                         + '\nExpected: '
+                         + v.npartErrors));
+
+    for (var i = 0, header, body; i < v.nparts; ++i) {
+      if (fs.existsSync(fixtureBase + '/part' + (i+1))) {
+        body = fs.readFileSync(fixtureBase + '/part' + (i+1));
+        if (body.length === 0)
+          body = undefined;
+      } else
+        body = undefined;
+      assert.deepEqual(state.parts[i].body,
+                       body,
+                       makeMsg(v.what,
+                               'Part #' + (i+1) + ' body mismatch'));
+      if (fs.existsSync(fixtureBase + '/part' + (i+1) + '.header')) {
+        header = fs.readFileSync(fixtureBase
+                                 + '/part' + (i+1) + '.header', 'binary');
+        header = JSON.parse(header);
+      } else
+        header = undefined;
+      assert.deepEqual(state.parts[i].header,
+                       header,
+                       makeMsg(v.what,
+                               'Part #' + (i+1)
+                               + ' parsed header mismatch:\nActual: '
+                               + inspect(state.parts[i].header)
+                               + '\nExpected: '
+                               + inspect(header)));
+    }
+    ++t;
+    next();
+  });
+
+  fs.createReadStream(fixtureBase + '/original').pipe(dicer);
+}
+next();
+
+function makeMsg(what, msg) {
+  return '[' + group + what + ']: ' + msg;
+}
+
+process.on('exit', function() {
+  assert(t === tests.length,
+         makeMsg('_exit', 'Only ran ' + t + '/' + tests.length + ' tests'));
+});
\ No newline at end of file

+require('fs').readdirSync(__dirname).forEach(function(f) {
+  if (f.substr(0, 5) === 'test-')
+    require('./' + f);
+});
\ No newline at end of file

+# Developer's Certificate of Origin 1.1
+
+By making a contribution to this project, I certify that:
+
+* (a) The contribution was created in whole or in part by me and I
+  have the right to submit it under the open source license
+  indicated in the file; or
+
+* (b) The contribution is based upon previous work that, to the best
+  of my knowledge, is covered under an appropriate open source
+  license and I have the right under that license to submit that
+  work with modifications, whether created in whole or in part
+  by me, under the same open source license (unless I am
+  permitted to submit under a different license), as indicated
+  in the file; or
+
+* (c) The contribution was provided directly to me by some other
+  person who certified (a), (b) or (c) and I have not modified
+  it.
+
+* (d) I understand and agree that this project and the contribution
+  are public and that a record of the contribution (including all
+  personal information I submit with it, including my sign-off) is
+  maintained indefinitely and may be redistributed consistent with
+  this project or the open source license(s) involved.
+
+## Moderation Policy
+
+The [Node.js Moderation Policy] applies to this WG.
+
+## Code of Conduct
+
+The [Node.js Code of Conduct][] applies to this WG.
+
+[Node.js Code of Conduct]:
+https://github.com/nodejs/node/blob/master/CODE_OF_CONDUCT.md
+[Node.js Moderation Policy]:
+https://github.com/nodejs/TSC/blob/master/Moderation-Policy.md

+### Streams Working Group
+
+The Node.js Streams is jointly governed by a Working Group
+(WG)
+that is responsible for high-level guidance of the project.
+
+The WG has final authority over this project including:
+
+* Technical direction
+* Project governance and process (including this policy)
+* Contribution policy
+* GitHub repository hosting
+* Conduct guidelines
+* Maintaining the list of additional Collaborators
+
+For the current list of WG members, see the project
+[README.md](./README.md#current-project-team-members).
+
+### Collaborators
+
+The readable-stream GitHub repository is
+maintained by the WG and additional Collaborators who are added by the
+WG on an ongoing basis.
+
+Individuals making significant and valuable contributions are made
+Collaborators and given commit-access to the project. These
+individuals are identified by the WG and their addition as
+Collaborators is discussed during the WG meeting.
+
+_Note:_ If you make a significant contribution and are not considered
+for commit-access log an issue or contact a WG member directly and it
+will be brought up in the next WG meeting.
+
+Modifications of the contents of the readable-stream repository are
+made on
+a collaborative basis. Anybody with a GitHub account may propose a
+modification via pull request and it will be considered by the project
+Collaborators. All pull requests must be reviewed and accepted by a
+Collaborator with sufficient expertise who is able to take full
+responsibility for the change. In the case of pull requests proposed
+by an existing Collaborator, an additional Collaborator is required
+for sign-off. Consensus should be sought if additional Collaborators
+participate and there is disagreement around a particular
+modification. See _Consensus Seeking Process_ below for further detail
+on the consensus model used for governance.
+
+Collaborators may opt to elevate significant or controversial
+modifications, or modifications that have not found consensus to the
+WG for discussion by assigning the ***WG-agenda*** tag to a pull
+request or issue. The WG should serve as the final arbiter where
+required.
+
+For the current list of Collaborators, see the project
+[README.md](./README.md#members).
+
+### WG Membership
+
+WG seats are not time-limited.  There is no fixed size of the WG.
+However, the expected target is between 6 and 12, to ensure adequate
+coverage of important areas of expertise, balanced with the ability to
+make decisions efficiently.
+
+There is no specific set of requirements or qualifications for WG
+membership beyond these rules.
+
+The WG may add additional members to the WG by unanimous consensus.
+
+A WG member may be removed from the WG by voluntary resignation, or by
+unanimous consensus of all other WG members.
+
+Changes to WG membership should be posted in the agenda, and may be
+suggested as any other agenda item (see "WG Meetings" below).
+
+If an addition or removal is proposed during a meeting, and the full
+WG is not in attendance to participate, then the addition or removal
+is added to the agenda for the subsequent meeting.  This is to ensure
+that all members are given the opportunity to participate in all
+membership decisions.  If a WG member is unable to attend a meeting
+where a planned membership decision is being made, then their consent
+is assumed.
+
+No more than 1/3 of the WG members may be affiliated with the same
+employer.  If removal or resignation of a WG member, or a change of
+employment by a WG member, creates a situation where more than 1/3 of
+the WG membership shares an employer, then the situation must be
+immediately remedied by the resignation or removal of one or more WG
+members affiliated with the over-represented employer(s).
+
+### WG Meetings
+
+The WG meets occasionally on a Google Hangout On Air. A designated moderator
+approved by the WG runs the meeting. Each meeting should be
+published to YouTube.
+
+Items are added to the WG agenda that are considered contentious or
+are modifications of governance, contribution policy, WG membership,
+or release process.
+
+The intention of the agenda is not to approve or review all patches;
+that should happen continuously on GitHub and be handled by the larger
+group of Collaborators.
+
+Any community member or contributor can ask that something be added to
+the next meeting's agenda by logging a GitHub Issue. Any Collaborator,
+WG member or the moderator can add the item to the agenda by adding
+the ***WG-agenda*** tag to the issue.
+
+Prior to each WG meeting the moderator will share the Agenda with
+members of the WG. WG members can add any items they like to the
+agenda at the beginning of each meeting. The moderator and the WG
+cannot veto or remove items.
+
+The WG may invite persons or representatives from certain projects to
+participate in a non-voting capacity.
+
+The moderator is responsible for summarizing the discussion of each
+agenda item and sends it as a pull request after the meeting.
+
+### Consensus Seeking Process
+
+The WG follows a
+[Consensus
+Seeking](http://en.wikipedia.org/wiki/Consensus-seeking_decision-making)
+decision-making model.
+
+When an agenda item has appeared to reach a consensus the moderator
+will ask "Does anyone object?" as a final call for dissent from the
+consensus.
+
+If an agenda item cannot reach a consensus a WG member can call for
+either a closing vote or a vote to table the issue to the next
+meeting. The call for a vote must be seconded by a majority of the WG
+or else the discussion will continue. Simple majority wins.
+
+Note that changes to WG membership require a majority consensus.  See
+"WG Membership" above.

+Node.js is licensed for use as follows:
+
+"""
+Copyright Node.js contributors. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""
+
+This license applies to parts of Node.js originating from the
+https://github.com/joyent/node repository:
+
+"""
+Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""

+# readable-stream
+
+***Node.js core streams for userland*** [![Build Status](https://travis-ci.com/nodejs/readable-stream.svg?branch=master)](https://travis-ci.com/nodejs/readable-stream)
+
+
+[![NPM](https://nodei.co/npm/readable-stream.png?downloads=true&downloadRank=true)](https://nodei.co/npm/readable-stream/)
+[![NPM](https://nodei.co/npm-dl/readable-stream.png?&months=6&height=3)](https://nodei.co/npm/readable-stream/)
+
+
+[![Sauce Test Status](https://saucelabs.com/browser-matrix/readabe-stream.svg)](https://saucelabs.com/u/readabe-stream)
+
+```bash
+npm install --save readable-stream
+```
+
+This package is a mirror of the streams implementations in Node.js.
+
+Full documentation may be found on the [Node.js website](https://nodejs.org/dist/v10.19.0/docs/api/stream.html).
+
+If you want to guarantee a stable streams base, regardless of what version of
+Node you, or the users of your libraries are using, use **readable-stream** *only* and avoid the *"stream"* module in Node-core, for background see [this blogpost](http://r.va.gg/2014/06/why-i-dont-use-nodes-core-stream-module.html).
+
+As of version 2.0.0 **readable-stream** uses semantic versioning.
+
+## Version 3.x.x
+
+v3.x.x of `readable-stream` is a cut from Node 10. This version supports Node 6, 8, and 10, as well as evergreen browsers, IE 11 and latest Safari. The breaking changes introduced by v3 are composed by the combined breaking changes in [Node v9](https://nodejs.org/en/blog/release/v9.0.0/) and [Node v10](https://nodejs.org/en/blog/release/v10.0.0/), as follows:
+
+1. Error codes: https://github.com/nodejs/node/pull/13310,
+   https://github.com/nodejs/node/pull/13291,
+   https://github.com/nodejs/node/pull/16589,
+   https://github.com/nodejs/node/pull/15042,
+   https://github.com/nodejs/node/pull/15665,
+   https://github.com/nodejs/readable-stream/pull/344
+2. 'readable' have precedence over flowing
+   https://github.com/nodejs/node/pull/18994
+3. make virtual methods errors consistent
+   https://github.com/nodejs/node/pull/18813
+4. updated streams error handling
+   https://github.com/nodejs/node/pull/18438
+5. writable.end should return this.
+   https://github.com/nodejs/node/pull/18780
+6. readable continues to read when push('')
+   https://github.com/nodejs/node/pull/18211
+7. add custom inspect to BufferList
+   https://github.com/nodejs/node/pull/17907
+8. always defer 'readable' with nextTick
+   https://github.com/nodejs/node/pull/17979
+
+## Version 2.x.x
+v2.x.x of `readable-stream` is a cut of the stream module from Node 8 (there have been no semver-major changes from Node 4 to 8). This version supports all Node.js versions from 0.8, as well as evergreen browsers and IE 10 & 11.
+
+### Big Thanks
+
+Cross-browser Testing Platform and Open Source <3 Provided by [Sauce Labs][sauce]
+
+# Usage
+
+You can swap your `require('stream')` with `require('readable-stream')`
+without any changes, if you are just using one of the main classes and
+functions.
+
+```js
+const {
+  Readable,
+  Writable,
+  Transform,
+  Duplex,
+  pipeline,
+  finished
+} = require('readable-stream')
+````
+
+Note that `require('stream')` will return `Stream`, while
+`require('readable-stream')` will return `Readable`. We discourage using
+whatever is exported directly, but rather use one of the properties as
+shown in the example above.
+
+# Streams Working Group
+
+`readable-stream` is maintained by the Streams Working Group, which
+oversees the development and maintenance of the Streams API within
+Node.js. The responsibilities of the Streams Working Group include:
+
+* Addressing stream issues on the Node.js issue tracker.
+* Authoring and editing stream documentation within the Node.js project.
+* Reviewing changes to stream subclasses within the Node.js project.
+* Redirecting changes to streams from the Node.js project to this
+  project.
+* Assisting in the implementation of stream providers within Node.js.
+* Recommending versions of `readable-stream` to be included in Node.js.
+* Messaging about the future of streams to give the community advance
+  notice of changes.
+
+<a name="members"></a>
+## Team Members
+
+* **Calvin Metcalf** ([@calvinmetcalf](https://github.com/calvinmetcalf)) &lt;calvin.metcalf@gmail.com&gt;
+  - Release GPG key: F3EF5F62A87FC27A22E643F714CE4FF5015AA242
+* **Mathias Buus** ([@mafintosh](https://github.com/mafintosh)) &lt;mathiasbuus@gmail.com&gt;
+* **Matteo Collina** ([@mcollina](https://github.com/mcollina)) &lt;matteo.collina@gmail.com&gt;
+  - Release GPG key: 3ABC01543F22DD2239285CDD818674489FBC127E
+* **Irina Shestak** ([@lrlna](https://github.com/lrlna)) &lt;shestak.irina@gmail.com&gt;
+* **Yoshua Wyuts** ([@yoshuawuyts](https://github.com/yoshuawuyts)) &lt;yoshuawuyts@gmail.com&gt;
+
+[sauce]: https://saucelabs.com

+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+// a duplex stream is just a stream that is both readable and writable.
+// Since JS doesn't have multiple prototypal inheritance, this class
+// prototypally inherits from Readable, and then parasitically from
+// Writable.
+'use strict';
+/*<replacement>*/
+
+var objectKeys = Object.keys || function (obj) {
+  var keys = [];
+
+  for (var key in obj) {
+    keys.push(key);
+  }
+
+  return keys;
+};
+/*</replacement>*/
+
+
+module.exports = Duplex;
+
+var Readable = require('./_stream_readable');
+
+var Writable = require('./_stream_writable');
+
+require('inherits')(Duplex, Readable);
+
+{
+  // Allow the keys array to be GC'ed.
+  var keys = objectKeys(Writable.prototype);
+
+  for (var v = 0; v < keys.length; v++) {
+    var method = keys[v];
+    if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method];
+  }
+}
+
+function Duplex(options) {
+  if (!(this instanceof Duplex)) return new Duplex(options);
+  Readable.call(this, options);
+  Writable.call(this, options);
+  this.allowHalfOpen = true;
+
+  if (options) {
+    if (options.readable === false) this.readable = false;
+    if (options.writable === false) this.writable = false;
+
+    if (options.allowHalfOpen === false) {
+      this.allowHalfOpen = false;
+      this.once('end', onend);
+    }
+  }
+}
+
+Object.defineProperty(Duplex.prototype, 'writableHighWaterMark', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._writableState.highWaterMark;
+  }
+});
+Object.defineProperty(Duplex.prototype, 'writableBuffer', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._writableState && this._writableState.getBuffer();
+  }
+});
+Object.defineProperty(Duplex.prototype, 'writableLength', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._writableState.length;
+  }
+}); // the no-half-open enforcer
+
+function onend() {
+  // If the writable side ended, then we're ok.
+  if (this._writableState.ended) return; // no more data can be written.
+  // But allow more writes to happen in this tick.
+
+  process.nextTick(onEndNT, this);
+}
+
+function onEndNT(self) {
+  self.end();
+}
+
+Object.defineProperty(Duplex.prototype, 'destroyed', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    if (this._readableState === undefined || this._writableState === undefined) {
+      return false;
+    }
+
+    return this._readableState.destroyed && this._writableState.destroyed;
+  },
+  set: function set(value) {
+    // we ignore the value if the stream
+    // has not been initialized yet
+    if (this._readableState === undefined || this._writableState === undefined) {
+      return;
+    } // backward compatibility, the user is explicitly
+    // managing destroyed
+
+
+    this._readableState.destroyed = value;
+    this._writableState.destroyed = value;
+  }
+});
\ No newline at end of file

+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+// a passthrough stream.
+// basically just the most minimal sort of Transform stream.
+// Every written chunk gets output as-is.
+'use strict';
+
+module.exports = PassThrough;
+
+var Transform = require('./_stream_transform');
+
+require('inherits')(PassThrough, Transform);
+
+function PassThrough(options) {
+  if (!(this instanceof PassThrough)) return new PassThrough(options);
+  Transform.call(this, options);
+}
+
+PassThrough.prototype._transform = function (chunk, encoding, cb) {
+  cb(null, chunk);
+};
\ No newline at end of file

+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+'use strict';
+
+module.exports = Readable;
+/*<replacement>*/
+
+var Duplex;
+/*</replacement>*/
+
+Readable.ReadableState = ReadableState;
+/*<replacement>*/
+
+var EE = require('events').EventEmitter;
+
+var EElistenerCount = function EElistenerCount(emitter, type) {
+  return emitter.listeners(type).length;
+};
+/*</replacement>*/
+
+/*<replacement>*/
+
+
+var Stream = require('./internal/streams/stream');
+/*</replacement>*/
+
+
+var Buffer = require('buffer').Buffer;
+
+var OurUint8Array = global.Uint8Array || function () {};
+
+function _uint8ArrayToBuffer(chunk) {
+  return Buffer.from(chunk);
+}
+
+function _isUint8Array(obj) {
+  return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
+}
+/*<replacement>*/
+
+
+var debugUtil = require('util');
+
+var debug;
+
+if (debugUtil && debugUtil.debuglog) {
+  debug = debugUtil.debuglog('stream');
+} else {
+  debug = function debug() {};
+}
+/*</replacement>*/
+
+
+var BufferList = require('./internal/streams/buffer_list');
+
+var destroyImpl = require('./internal/streams/destroy');
+
+var _require = require('./internal/streams/state'),
+    getHighWaterMark = _require.getHighWaterMark;
+
+var _require$codes = require('../errors').codes,
+    ERR_INVALID_ARG_TYPE = _require$codes.ERR_INVALID_ARG_TYPE,
+    ERR_STREAM_PUSH_AFTER_EOF = _require$codes.ERR_STREAM_PUSH_AFTER_EOF,
+    ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED,
+    ERR_STREAM_UNSHIFT_AFTER_END_EVENT = _require$codes.ERR_STREAM_UNSHIFT_AFTER_END_EVENT; // Lazy loaded to improve the startup performance.
+
+
+var StringDecoder;
+var createReadableStreamAsyncIterator;
+var from;
+
+require('inherits')(Readable, Stream);
+
+var errorOrDestroy = destroyImpl.errorOrDestroy;
+var kProxyEvents = ['error', 'close', 'destroy', 'pause', 'resume'];
+
+function prependListener(emitter, event, fn) {
+  // Sadly this is not cacheable as some libraries bundle their own
+  // event emitter implementation with them.
+  if (typeof emitter.prependListener === 'function') return emitter.prependListener(event, fn); // This is a hack to make sure that our error handler is attached before any
+  // userland ones.  NEVER DO THIS. This is here only because this code needs
+  // to continue to work with older versions of Node.js that do not include
+  // the prependListener() method. The goal is to eventually remove this hack.
+
+  if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (Array.isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]];
+}
+
+function ReadableState(options, stream, isDuplex) {
+  Duplex = Duplex || require('./_stream_duplex');
+  options = options || {}; // Duplex streams are both readable and writable, but share
+  // the same options object.
+  // However, some cases require setting options to different
+  // values for the readable and the writable sides of the duplex stream.
+  // These options can be provided separately as readableXXX and writableXXX.
+
+  if (typeof isDuplex !== 'boolean') isDuplex = stream instanceof Duplex; // object stream flag. Used to make read(n) ignore n and to
+  // make all the buffer merging and length checks go away
+
+  this.objectMode = !!options.objectMode;
+  if (isDuplex) this.objectMode = this.objectMode || !!options.readableObjectMode; // the point at which it stops calling _read() to fill the buffer
+  // Note: 0 is a valid value, means "don't call _read preemptively ever"
+
+  this.highWaterMark = getHighWaterMark(this, options, 'readableHighWaterMark', isDuplex); // A linked list is used to store data chunks instead of an array because the
+  // linked list can remove elements from the beginning faster than
+  // array.shift()
+
+  this.buffer = new BufferList();
+  this.length = 0;
+  this.pipes = null;
+  this.pipesCount = 0;
+  this.flowing = null;
+  this.ended = false;
+  this.endEmitted = false;
+  this.reading = false; // a flag to be able to tell if the event 'readable'/'data' is emitted
+  // immediately, or on a later tick.  We set this to true at first, because
+  // any actions that shouldn't happen until "later" should generally also
+  // not happen before the first read call.
+
+  this.sync = true; // whenever we return null, then we set a flag to say
+  // that we're awaiting a 'readable' event emission.
+
+  this.needReadable = false;
+  this.emittedReadable = false;
+  this.readableListening = false;
+  this.resumeScheduled = false;
+  this.paused = true; // Should close be emitted on destroy. Defaults to true.
+
+  this.emitClose = options.emitClose !== false; // Should .destroy() be called after 'end' (and potentially 'finish')
+
+  this.autoDestroy = !!options.autoDestroy; // has it been destroyed
+
+  this.destroyed = false; // Crypto is kind of old and crusty.  Historically, its default string
+  // encoding is 'binary' so we have to make this configurable.
+  // Everything else in the universe uses 'utf8', though.
+
+  this.defaultEncoding = options.defaultEncoding || 'utf8'; // the number of writers that are awaiting a drain event in .pipe()s
+
+  this.awaitDrain = 0; // if true, a maybeReadMore has been scheduled
+
+  this.readingMore = false;
+  this.decoder = null;
+  this.encoding = null;
+
+  if (options.encoding) {
+    if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
+    this.decoder = new StringDecoder(options.encoding);
+    this.encoding = options.encoding;
+  }
+}
+
+function Readable(options) {
+  Duplex = Duplex || require('./_stream_duplex');
+  if (!(this instanceof Readable)) return new Readable(options); // Checking for a Stream.Duplex instance is faster here instead of inside
+  // the ReadableState constructor, at least with V8 6.5
+
+  var isDuplex = this instanceof Duplex;
+  this._readableState = new ReadableState(options, this, isDuplex); // legacy
+
+  this.readable = true;
+
+  if (options) {
+    if (typeof options.read === 'function') this._read = options.read;
+    if (typeof options.destroy === 'function') this._destroy = options.destroy;
+  }
+
+  Stream.call(this);
+}
+
+Object.defineProperty(Readable.prototype, 'destroyed', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    if (this._readableState === undefined) {
+      return false;
+    }
+
+    return this._readableState.destroyed;
+  },
+  set: function set(value) {
+    // we ignore the value if the stream
+    // has not been initialized yet
+    if (!this._readableState) {
+      return;
+    } // backward compatibility, the user is explicitly
+    // managing destroyed
+
+
+    this._readableState.destroyed = value;
+  }
+});
+Readable.prototype.destroy = destroyImpl.destroy;
+Readable.prototype._undestroy = destroyImpl.undestroy;
+
+Readable.prototype._destroy = function (err, cb) {
+  cb(err);
+}; // Manually shove something into the read() buffer.
+// This returns true if the highWaterMark has not been hit yet,
+// similar to how Writable.write() returns true if you should
+// write() some more.
+
+
+Readable.prototype.push = function (chunk, encoding) {
+  var state = this._readableState;
+  var skipChunkCheck;
+
+  if (!state.objectMode) {
+    if (typeof chunk === 'string') {
+      encoding = encoding || state.defaultEncoding;
+
+      if (encoding !== state.encoding) {
+        chunk = Buffer.from(chunk, encoding);
+        encoding = '';
+      }
+
+      skipChunkCheck = true;
+    }
+  } else {
+    skipChunkCheck = true;
+  }
+
+  return readableAddChunk(this, chunk, encoding, false, skipChunkCheck);
+}; // Unshift should *always* be something directly out of read()
+
+
+Readable.prototype.unshift = function (chunk) {
+  return readableAddChunk(this, chunk, null, true, false);
+};
+
+function readableAddChunk(stream, chunk, encoding, addToFront, skipChunkCheck) {
+  debug('readableAddChunk', chunk);
+  var state = stream._readableState;
+
+  if (chunk === null) {
+    state.reading = false;
+    onEofChunk(stream, state);
+  } else {
+    var er;
+    if (!skipChunkCheck) er = chunkInvalid(state, chunk);
+
+    if (er) {
+      errorOrDestroy(stream, er);
+    } else if (state.objectMode || chunk && chunk.length > 0) {
+      if (typeof chunk !== 'string' && !state.objectMode && Object.getPrototypeOf(chunk) !== Buffer.prototype) {
+        chunk = _uint8ArrayToBuffer(chunk);
+      }
+
+      if (addToFront) {
+        if (state.endEmitted) errorOrDestroy(stream, new ERR_STREAM_UNSHIFT_AFTER_END_EVENT());else addChunk(stream, state, chunk, true);
+      } else if (state.ended) {
+        errorOrDestroy(stream, new ERR_STREAM_PUSH_AFTER_EOF());
+      } else if (state.destroyed) {
+        return false;
+      } else {
+        state.reading = false;
+
+        if (state.decoder && !encoding) {
+          chunk = state.decoder.write(chunk);
+          if (state.objectMode || chunk.length !== 0) addChunk(stream, state, chunk, false);else maybeReadMore(stream, state);
+        } else {
+          addChunk(stream, state, chunk, false);
+        }
+      }
+    } else if (!addToFront) {
+      state.reading = false;
+      maybeReadMore(stream, state);
+    }
+  } // We can push more data if we are below the highWaterMark.
+  // Also, if we have no data yet, we can stand some more bytes.
+  // This is to work around cases where hwm=0, such as the repl.
+
+
+  return !state.ended && (state.length < state.highWaterMark || state.length === 0);
+}
+
+function addChunk(stream, state, chunk, addToFront) {
+  if (state.flowing && state.length === 0 && !state.sync) {
+    state.awaitDrain = 0;
+    stream.emit('data', chunk);
+  } else {
+    // update the buffer info.
+    state.length += state.objectMode ? 1 : chunk.length;
+    if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk);
+    if (state.needReadable) emitReadable(stream);
+  }
+
+  maybeReadMore(stream, state);
+}
+
+function chunkInvalid(state, chunk) {
+  var er;
+
+  if (!_isUint8Array(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
+    er = new ERR_INVALID_ARG_TYPE('chunk', ['string', 'Buffer', 'Uint8Array'], chunk);
+  }
+
+  return er;
+}
+
+Readable.prototype.isPaused = function () {
+  return this._readableState.flowing === false;
+}; // backwards compatibility.
+
+
+Readable.prototype.setEncoding = function (enc) {
+  if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
+  var decoder = new StringDecoder(enc);
+  this._readableState.decoder = decoder; // If setEncoding(null), decoder.encoding equals utf8
+
+  this._readableState.encoding = this._readableState.decoder.encoding; // Iterate over current buffer to convert already stored Buffers:
+
+  var p = this._readableState.buffer.head;
+  var content = '';
+
+  while (p !== null) {
+    content += decoder.write(p.data);
+    p = p.next;
+  }
+
+  this._readableState.buffer.clear();
+
+  if (content !== '') this._readableState.buffer.push(content);
+  this._readableState.length = content.length;
+  return this;
+}; // Don't raise the hwm > 1GB
+
+
+var MAX_HWM = 0x40000000;
+
+function computeNewHighWaterMark(n) {
+  if (n >= MAX_HWM) {
+    // TODO(ronag): Throw ERR_VALUE_OUT_OF_RANGE.
+    n = MAX_HWM;
+  } else {
+    // Get the next highest power of 2 to prevent increasing hwm excessively in
+    // tiny amounts
+    n--;
+    n |= n >>> 1;
+    n |= n >>> 2;
+    n |= n >>> 4;
+    n |= n >>> 8;
+    n |= n >>> 16;
+    n++;
+  }
+
+  return n;
+} // This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+
+
+function howMuchToRead(n, state) {
+  if (n <= 0 || state.length === 0 && state.ended) return 0;
+  if (state.objectMode) return 1;
+
+  if (n !== n) {
+    // Only flow one buffer at a time
+    if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length;
+  } // If we're asking for more than the current hwm, then raise the hwm.
+
+
+  if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n);
+  if (n <= state.length) return n; // Don't have enough
+
+  if (!state.ended) {
+    state.needReadable = true;
+    return 0;
+  }
+
+  return state.length;
+} // you can override either this method, or the async _read(n) below.
+
+
+Readable.prototype.read = function (n) {
+  debug('read', n);
+  n = parseInt(n, 10);
+  var state = this._readableState;
+  var nOrig = n;
+  if (n !== 0) state.emittedReadable = false; // if we're doing read(0) to trigger a readable event, but we
+  // already have a bunch of data in the buffer, then just trigger
+  // the 'readable' event and move on.
+
+  if (n === 0 && state.needReadable && ((state.highWaterMark !== 0 ? state.length >= state.highWaterMark : state.length > 0) || state.ended)) {
+    debug('read: emitReadable', state.length, state.ended);
+    if (state.length === 0 && state.ended) endReadable(this);else emitReadable(this);
+    return null;
+  }
+
+  n = howMuchToRead(n, state); // if we've ended, and we're now clear, then finish it up.
+
+  if (n === 0 && state.ended) {
+    if (state.length === 0) endReadable(this);
+    return null;
+  } // All the actual chunk generation logic needs to be
+  // *below* the call to _read.  The reason is that in certain
+  // synthetic stream cases, such as passthrough streams, _read
+  // may be a completely synchronous operation which may change
+  // the state of the read buffer, providing enough data when
+  // before there was *not* enough.
+  //
+  // So, the steps are:
+  // 1. Figure out what the state of things will be after we do
+  // a read from the buffer.
+  //
+  // 2. If that resulting state will trigger a _read, then call _read.
+  // Note that this may be asynchronous, or synchronous.  Yes, it is
+  // deeply ugly to write APIs this way, but that still doesn't mean
+  // that the Readable class should behave improperly, as streams are
+  // designed to be sync/async agnostic.
+  // Take note if the _read call is sync or async (ie, if the read call
+  // has returned yet), so that we know whether or not it's safe to emit
+  // 'readable' etc.
+  //
+  // 3. Actually pull the requested chunks out of the buffer and return.
+  // if we need a readable event, then we need to do some reading.
+
+
+  var doRead = state.needReadable;
+  debug('need readable', doRead); // if we currently have less than the highWaterMark, then also read some
+
+  if (state.length === 0 || state.length - n < state.highWaterMark) {
+    doRead = true;
+    debug('length less than watermark', doRead);
+  } // however, if we've ended, then there's no point, and if we're already
+  // reading, then it's unnecessary.
+
+
+  if (state.ended || state.reading) {
+    doRead = false;
+    debug('reading or ended', doRead);
+  } else if (doRead) {
+    debug('do read');
+    state.reading = true;
+    state.sync = true; // if the length is currently zero, then we *need* a readable event.
+
+    if (state.length === 0) state.needReadable = true; // call internal read method
+
+    this._read(state.highWaterMark);
+
+    state.sync = false; // If _read pushed data synchronously, then `reading` will be false,
+    // and we need to re-evaluate how much data we can return to the user.
+
+    if (!state.reading) n = howMuchToRead(nOrig, state);
+  }
+
+  var ret;
+  if (n > 0) ret = fromList(n, state);else ret = null;
+
+  if (ret === null) {
+    state.needReadable = state.length <= state.highWaterMark;
+    n = 0;
+  } else {
+    state.length -= n;
+    state.awaitDrain = 0;
+  }
+
+  if (state.length === 0) {
+    // If we have nothing in the buffer, then we want to know
+    // as soon as we *do* get something into the buffer.
+    if (!state.ended) state.needReadable = true; // If we tried to read() past the EOF, then emit end on the next tick.
+
+    if (nOrig !== n && state.ended) endReadable(this);
+  }
+
+  if (ret !== null) this.emit('data', ret);
+  return ret;
+};
+
+function onEofChunk(stream, state) {
+  debug('onEofChunk');
+  if (state.ended) return;
+
+  if (state.decoder) {
+    var chunk = state.decoder.end();
+
+    if (chunk && chunk.length) {
+      state.buffer.push(chunk);
+      state.length += state.objectMode ? 1 : chunk.length;
+    }
+  }
+
+  state.ended = true;
+
+  if (state.sync) {
+    // if we are sync, wait until next tick to emit the data.
+    // Otherwise we risk emitting data in the flow()
+    // the readable code triggers during a read() call
+    emitReadable(stream);
+  } else {
+    // emit 'readable' now to make sure it gets picked up.
+    state.needReadable = false;
+
+    if (!state.emittedReadable) {
+      state.emittedReadable = true;
+      emitReadable_(stream);
+    }
+  }
+} // Don't emit readable right away in sync mode, because this can trigger
+// another read() call => stack overflow.  This way, it might trigger
+// a nextTick recursion warning, but that's not so bad.
+
+
+function emitReadable(stream) {
+  var state = stream._readableState;
+  debug('emitReadable', state.needReadable, state.emittedReadable);
+  state.needReadable = false;
+
+  if (!state.emittedReadable) {
+    debug('emitReadable', state.flowing);
+    state.emittedReadable = true;
+    process.nextTick(emitReadable_, stream);
+  }
+}
+
+function emitReadable_(stream) {
+  var state = stream._readableState;
+  debug('emitReadable_', state.destroyed, state.length, state.ended);
+
+  if (!state.destroyed && (state.length || state.ended)) {
+    stream.emit('readable');
+    state.emittedReadable = false;
+  } // The stream needs another readable event if
+  // 1. It is not flowing, as the flow mechanism will take
+  //    care of it.
+  // 2. It is not ended.
+  // 3. It is below the highWaterMark, so we can schedule
+  //    another readable later.
+
+
+  state.needReadable = !state.flowing && !state.ended && state.length <= state.highWaterMark;
+  flow(stream);
+} // at this point, the user has presumably seen the 'readable' event,
+// and called read() to consume some data.  that may have triggered
+// in turn another _read(n) call, in which case reading = true if
+// it's in progress.
+// However, if we're not ended, or reading, and the length < hwm,
+// then go ahead and try to read some more preemptively.
+
+
+function maybeReadMore(stream, state) {
+  if (!state.readingMore) {
+    state.readingMore = true;
+    process.nextTick(maybeReadMore_, stream, state);
+  }
+}
+
+function maybeReadMore_(stream, state) {
+  // Attempt to read more data if we should.
+  //
+  // The conditions for reading more data are (one of):
+  // - Not enough data buffered (state.length < state.highWaterMark). The loop
+  //   is responsible for filling the buffer with enough data if such data
+  //   is available. If highWaterMark is 0 and we are not in the flowing mode
+  //   we should _not_ attempt to buffer any extra data. We'll get more data
+  //   when the stream consumer calls read() instead.
+  // - No data in the buffer, and the stream is in flowing mode. In this mode
+  //   the loop below is responsible for ensuring read() is called. Failing to
+  //   call read here would abort the flow and there's no other mechanism for
+  //   continuing the flow if the stream consumer has just subscribed to the
+  //   'data' event.
+  //
+  // In addition to the above conditions to keep reading data, the following
+  // conditions prevent the data from being read:
+  // - The stream has ended (state.ended).
+  // - There is already a pending 'read' operation (state.reading). This is a
+  //   case where the the stream has called the implementation defined _read()
+  //   method, but they are processing the call asynchronously and have _not_
+  //   called push() with new data. In this case we skip performing more
+  //   read()s. The execution ends in this method again after the _read() ends
+  //   up calling push() with more data.
+  while (!state.reading && !state.ended && (state.length < state.highWaterMark || state.flowing && state.length === 0)) {
+    var len = state.length;
+    debug('maybeReadMore read 0');
+    stream.read(0);
+    if (len === state.length) // didn't get any data, stop spinning.
+      break;
+  }
+
+  state.readingMore = false;
+} // abstract method.  to be overridden in specific implementation classes.
+// call cb(er, data) where data is <= n in length.
+// for virtual (non-string, non-buffer) streams, "length" is somewhat
+// arbitrary, and perhaps not very meaningful.
+
+
+Readable.prototype._read = function (n) {
+  errorOrDestroy(this, new ERR_METHOD_NOT_IMPLEMENTED('_read()'));
+};
+
+Readable.prototype.pipe = function (dest, pipeOpts) {
+  var src = this;
+  var state = this._readableState;
+
+  switch (state.pipesCount) {
+    case 0:
+      state.pipes = dest;
+      break;
+
+    case 1:
+      state.pipes = [state.pipes, dest];
+      break;
+
+    default:
+      state.pipes.push(dest);
+      break;
+  }
+
+  state.pipesCount += 1;
+  debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts);
+  var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr;
+  var endFn = doEnd ? onend : unpipe;
+  if (state.endEmitted) process.nextTick(endFn);else src.once('end', endFn);
+  dest.on('unpipe', onunpipe);
+
+  function onunpipe(readable, unpipeInfo) {
+    debug('onunpipe');
+
+    if (readable === src) {
+      if (unpipeInfo && unpipeInfo.hasUnpiped === false) {
+        unpipeInfo.hasUnpiped = true;
+        cleanup();
+      }
+    }
+  }
+
+  function onend() {
+    debug('onend');
+    dest.end();
+  } // when the dest drains, it reduces the awaitDrain counter
+  // on the source.  This would be more elegant with a .once()
+  // handler in flow(), but adding and removing repeatedly is
+  // too slow.
+
+
+  var ondrain = pipeOnDrain(src);
+  dest.on('drain', ondrain);
+  var cleanedUp = false;
+
+  function cleanup() {
+    debug('cleanup'); // cleanup event handlers once the pipe is broken
+
+    dest.removeListener('close', onclose);
+    dest.removeListener('finish', onfinish);
+    dest.removeListener('drain', ondrain);
+    dest.removeListener('error', onerror);
+    dest.removeListener('unpipe', onunpipe);
+    src.removeListener('end', onend);
+    src.removeListener('end', unpipe);
+    src.removeListener('data', ondata);
+    cleanedUp = true; // if the reader is waiting for a drain event from this
+    // specific writer, then it would cause it to never start
+    // flowing again.
+    // So, if this is awaiting a drain, then we just call it now.
+    // If we don't know, then assume that we are waiting for one.
+
+    if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain();
+  }
+
+  src.on('data', ondata);
+
+  function ondata(chunk) {
+    debug('ondata');
+    var ret = dest.write(chunk);
+    debug('dest.write', ret);
+
+    if (ret === false) {
+      // If the user unpiped during `dest.write()`, it is possible
+      // to get stuck in a permanently paused state if that write
+      // also returned false.
+      // => Check whether `dest` is still a piping destination.
+      if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf(state.pipes, dest) !== -1) && !cleanedUp) {
+        debug('false write response, pause', state.awaitDrain);
+        state.awaitDrain++;
+      }
+
+      src.pause();
+    }
+  } // if the dest has an error, then stop piping into it.
+  // however, don't suppress the throwing behavior for this.
+
+
+  function onerror(er) {
+    debug('onerror', er);
+    unpipe();
+    dest.removeListener('error', onerror);
+    if (EElistenerCount(dest, 'error') === 0) errorOrDestroy(dest, er);
+  } // Make sure our error handler is attached before userland ones.
+
+
+  prependListener(dest, 'error', onerror); // Both close and finish should trigger unpipe, but only once.
+
+  function onclose() {
+    dest.removeListener('finish', onfinish);
+    unpipe();
+  }
+
+  dest.once('close', onclose);
+
+  function onfinish() {
+    debug('onfinish');
+    dest.removeListener('close', onclose);
+    unpipe();
+  }
+
+  dest.once('finish', onfinish);
+
+  function unpipe() {
+    debug('unpipe');
+    src.unpipe(dest);
+  } // tell the dest that it's being piped to
+
+
+  dest.emit('pipe', src); // start the flow if it hasn't been started already.
+
+  if (!state.flowing) {
+    debug('pipe resume');
+    src.resume();
+  }
+
+  return dest;
+};
+
+function pipeOnDrain(src) {
+  return function pipeOnDrainFunctionResult() {
+    var state = src._readableState;
+    debug('pipeOnDrain', state.awaitDrain);
+    if (state.awaitDrain) state.awaitDrain--;
+
+    if (state.awaitDrain === 0 && EElistenerCount(src, 'data')) {
+      state.flowing = true;
+      flow(src);
+    }
+  };
+}
+
+Readable.prototype.unpipe = function (dest) {
+  var state = this._readableState;
+  var unpipeInfo = {
+    hasUnpiped: false
+  }; // if we're not piping anywhere, then do nothing.
+
+  if (state.pipesCount === 0) return this; // just one destination.  most common case.
+
+  if (state.pipesCount === 1) {
+    // passed in one, but it's not the right one.
+    if (dest && dest !== state.pipes) return this;
+    if (!dest) dest = state.pipes; // got a match.
+
+    state.pipes = null;
+    state.pipesCount = 0;
+    state.flowing = false;
+    if (dest) dest.emit('unpipe', this, unpipeInfo);
+    return this;
+  } // slow case. multiple pipe destinations.
+
+
+  if (!dest) {
+    // remove all.
+    var dests = state.pipes;
+    var len = state.pipesCount;
+    state.pipes = null;
+    state.pipesCount = 0;
+    state.flowing = false;
+
+    for (var i = 0; i < len; i++) {
+      dests[i].emit('unpipe', this, {
+        hasUnpiped: false
+      });
+    }
+
+    return this;
+  } // try to find the right one.
+
+
+  var index = indexOf(state.pipes, dest);
+  if (index === -1) return this;
+  state.pipes.splice(index, 1);
+  state.pipesCount -= 1;
+  if (state.pipesCount === 1) state.pipes = state.pipes[0];
+  dest.emit('unpipe', this, unpipeInfo);
+  return this;
+}; // set up data events if they are asked for
+// Ensure readable listeners eventually get something
+
+
+Readable.prototype.on = function (ev, fn) {
+  var res = Stream.prototype.on.call(this, ev, fn);
+  var state = this._readableState;
+
+  if (ev === 'data') {
+    // update readableListening so that resume() may be a no-op
+    // a few lines down. This is needed to support once('readable').
+    state.readableListening = this.listenerCount('readable') > 0; // Try start flowing on next tick if stream isn't explicitly paused
+
+    if (state.flowing !== false) this.resume();
+  } else if (ev === 'readable') {
+    if (!state.endEmitted && !state.readableListening) {
+      state.readableListening = state.needReadable = true;
+      state.flowing = false;
+      state.emittedReadable = false;
+      debug('on readable', state.length, state.reading);
+
+      if (state.length) {
+        emitReadable(this);
+      } else if (!state.reading) {
+        process.nextTick(nReadingNextTick, this);
+      }
+    }
+  }
+
+  return res;
+};
+
+Readable.prototype.addListener = Readable.prototype.on;
+
+Readable.prototype.removeListener = function (ev, fn) {
+  var res = Stream.prototype.removeListener.call(this, ev, fn);
+
+  if (ev === 'readable') {
+    // We need to check if there is someone still listening to
+    // readable and reset the state. However this needs to happen
+    // after readable has been emitted but before I/O (nextTick) to
+    // support once('readable', fn) cycles. This means that calling
+    // resume within the same tick will have no
+    // effect.
+    process.nextTick(updateReadableListening, this);
+  }
+
+  return res;
+};
+
+Readable.prototype.removeAllListeners = function (ev) {
+  var res = Stream.prototype.removeAllListeners.apply(this, arguments);
+
+  if (ev === 'readable' || ev === undefined) {
+    // We need to check if there is someone still listening to
+    // readable and reset the state. However this needs to happen
+    // after readable has been emitted but before I/O (nextTick) to
+    // support once('readable', fn) cycles. This means that calling
+    // resume within the same tick will have no
+    // effect.
+    process.nextTick(updateReadableListening, this);
+  }
+
+  return res;
+};
+
+function updateReadableListening(self) {
+  var state = self._readableState;
+  state.readableListening = self.listenerCount('readable') > 0;
+
+  if (state.resumeScheduled && !state.paused) {
+    // flowing needs to be set to true now, otherwise
+    // the upcoming resume will not flow.
+    state.flowing = true; // crude way to check if we should resume
+  } else if (self.listenerCount('data') > 0) {
+    self.resume();
+  }
+}
+
+function nReadingNextTick(self) {
+  debug('readable nexttick read 0');
+  self.read(0);
+} // pause() and resume() are remnants of the legacy readable stream API
+// If the user uses them, then switch into old mode.
+
+
+Readable.prototype.resume = function () {
+  var state = this._readableState;
+
+  if (!state.flowing) {
+    debug('resume'); // we flow only if there is no one listening
+    // for readable, but we still have to call
+    // resume()
+
+    state.flowing = !state.readableListening;
+    resume(this, state);
+  }
+
+  state.paused = false;
+  return this;
+};
+
+function resume(stream, state) {
+  if (!state.resumeScheduled) {
+    state.resumeScheduled = true;
+    process.nextTick(resume_, stream, state);
+  }
+}
+
+function resume_(stream, state) {
+  debug('resume', state.reading);
+
+  if (!state.reading) {
+    stream.read(0);
+  }
+
+  state.resumeScheduled = false;
+  stream.emit('resume');
+  flow(stream);
+  if (state.flowing && !state.reading) stream.read(0);
+}
+
+Readable.prototype.pause = function () {
+  debug('call pause flowing=%j', this._readableState.flowing);
+
+  if (this._readableState.flowing !== false) {
+    debug('pause');
+    this._readableState.flowing = false;
+    this.emit('pause');
+  }
+
+  this._readableState.paused = true;
+  return this;
+};
+
+function flow(stream) {
+  var state = stream._readableState;
+  debug('flow', state.flowing);
+
+  while (state.flowing && stream.read() !== null) {
+    ;
+  }
+} // wrap an old-style stream as the async data source.
+// This is *not* part of the readable stream interface.
+// It is an ugly unfortunate mess of history.
+
+
+Readable.prototype.wrap = function (stream) {
+  var _this = this;
+
+  var state = this._readableState;
+  var paused = false;
+  stream.on('end', function () {
+    debug('wrapped end');
+
+    if (state.decoder && !state.ended) {
+      var chunk = state.decoder.end();
+      if (chunk && chunk.length) _this.push(chunk);
+    }
+
+    _this.push(null);
+  });
+  stream.on('data', function (chunk) {
+    debug('wrapped data');
+    if (state.decoder) chunk = state.decoder.write(chunk); // don't skip over falsy values in objectMode
+
+    if (state.objectMode && (chunk === null || chunk === undefined)) return;else if (!state.objectMode && (!chunk || !chunk.length)) return;
+
+    var ret = _this.push(chunk);
+
+    if (!ret) {
+      paused = true;
+      stream.pause();
+    }
+  }); // proxy all the other methods.
+  // important when wrapping filters and duplexes.
+
+  for (var i in stream) {
+    if (this[i] === undefined && typeof stream[i] === 'function') {
+      this[i] = function methodWrap(method) {
+        return function methodWrapReturnFunction() {
+          return stream[method].apply(stream, arguments);
+        };
+      }(i);
+    }
+  } // proxy certain important events.
+
+
+  for (var n = 0; n < kProxyEvents.length; n++) {
+    stream.on(kProxyEvents[n], this.emit.bind(this, kProxyEvents[n]));
+  } // when we try to consume some more bytes, simply unpause the
+  // underlying stream.
+
+
+  this._read = function (n) {
+    debug('wrapped _read', n);
+
+    if (paused) {
+      paused = false;
+      stream.resume();
+    }
+  };
+
+  return this;
+};
+
+if (typeof Symbol === 'function') {
+  Readable.prototype[Symbol.asyncIterator] = function () {
+    if (createReadableStreamAsyncIterator === undefined) {
+      createReadableStreamAsyncIterator = require('./internal/streams/async_iterator');
+    }
+
+    return createReadableStreamAsyncIterator(this);
+  };
+}
+
+Object.defineProperty(Readable.prototype, 'readableHighWaterMark', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._readableState.highWaterMark;
+  }
+});
+Object.defineProperty(Readable.prototype, 'readableBuffer', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._readableState && this._readableState.buffer;
+  }
+});
+Object.defineProperty(Readable.prototype, 'readableFlowing', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._readableState.flowing;
+  },
+  set: function set(state) {
+    if (this._readableState) {
+      this._readableState.flowing = state;
+    }
+  }
+}); // exposed for testing purposes only.
+
+Readable._fromList = fromList;
+Object.defineProperty(Readable.prototype, 'readableLength', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._readableState.length;
+  }
+}); // Pluck off n bytes from an array of buffers.
+// Length is the combined lengths of all the buffers in the list.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+
+function fromList(n, state) {
+  // nothing buffered
+  if (state.length === 0) return null;
+  var ret;
+  if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) {
+    // read it all, truncate the list
+    if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.first();else ret = state.buffer.concat(state.length);
+    state.buffer.clear();
+  } else {
+    // read part of list
+    ret = state.buffer.consume(n, state.decoder);
+  }
+  return ret;
+}
+
+function endReadable(stream) {
+  var state = stream._readableState;
+  debug('endReadable', state.endEmitted);
+
+  if (!state.endEmitted) {
+    state.ended = true;
+    process.nextTick(endReadableNT, state, stream);
+  }
+}
+
+function endReadableNT(state, stream) {
+  debug('endReadableNT', state.endEmitted, state.length); // Check that we didn't get one last unshift.
+
+  if (!state.endEmitted && state.length === 0) {
+    state.endEmitted = true;
+    stream.readable = false;
+    stream.emit('end');
+
+    if (state.autoDestroy) {
+      // In case of duplex streams we need a way to detect
+      // if the writable side is ready for autoDestroy as well
+      var wState = stream._writableState;
+
+      if (!wState || wState.autoDestroy && wState.finished) {
+        stream.destroy();
+      }
+    }
+  }
+}
+
+if (typeof Symbol === 'function') {
+  Readable.from = function (iterable, opts) {
+    if (from === undefined) {
+      from = require('./internal/streams/from');
+    }
+
+    return from(Readable, iterable, opts);
+  };
+}
+
+function indexOf(xs, x) {
+  for (var i = 0, l = xs.length; i < l; i++) {
+    if (xs[i] === x) return i;
+  }
+
+  return -1;
+}
\ No newline at end of file

+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+// a transform stream is a readable/writable stream where you do
+// something with the data.  Sometimes it's called a "filter",
+// but that's not a great name for it, since that implies a thing where
+// some bits pass through, and others are simply ignored.  (That would
+// be a valid example of a transform, of course.)
+//
+// While the output is causally related to the input, it's not a
+// necessarily symmetric or synchronous transformation.  For example,
+// a zlib stream might take multiple plain-text writes(), and then
+// emit a single compressed chunk some time in the future.
+//
+// Here's how this works:
+//
+// The Transform stream has all the aspects of the readable and writable
+// stream classes.  When you write(chunk), that calls _write(chunk,cb)
+// internally, and returns false if there's a lot of pending writes
+// buffered up.  When you call read(), that calls _read(n) until
+// there's enough pending readable data buffered up.
+//
+// In a transform stream, the written data is placed in a buffer.  When
+// _read(n) is called, it transforms the queued up data, calling the
+// buffered _write cb's as it consumes chunks.  If consuming a single
+// written chunk would result in multiple output chunks, then the first
+// outputted bit calls the readcb, and subsequent chunks just go into
+// the read buffer, and will cause it to emit 'readable' if necessary.
+//
+// This way, back-pressure is actually determined by the reading side,
+// since _read has to be called to start processing a new chunk.  However,
+// a pathological inflate type of transform can cause excessive buffering
+// here.  For example, imagine a stream where every byte of input is
+// interpreted as an integer from 0-255, and then results in that many
+// bytes of output.  Writing the 4 bytes {ff,ff,ff,ff} would result in
+// 1kb of data being output.  In this case, you could write a very small
+// amount of input, and end up with a very large amount of output.  In
+// such a pathological inflating mechanism, there'd be no way to tell
+// the system to stop doing the transform.  A single 4MB write could
+// cause the system to run out of memory.
+//
+// However, even in such a pathological case, only a single written chunk
+// would be consumed, and then the rest would wait (un-transformed) until
+// the results of the previous transformed chunk were consumed.
+'use strict';
+
+module.exports = Transform;
+
+var _require$codes = require('../errors').codes,
+    ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED,
+    ERR_MULTIPLE_CALLBACK = _require$codes.ERR_MULTIPLE_CALLBACK,
+    ERR_TRANSFORM_ALREADY_TRANSFORMING = _require$codes.ERR_TRANSFORM_ALREADY_TRANSFORMING,
+    ERR_TRANSFORM_WITH_LENGTH_0 = _require$codes.ERR_TRANSFORM_WITH_LENGTH_0;
+
+var Duplex = require('./_stream_duplex');
+
+require('inherits')(Transform, Duplex);
+
+function afterTransform(er, data) {
+  var ts = this._transformState;
+  ts.transforming = false;
+  var cb = ts.writecb;
+
+  if (cb === null) {
+    return this.emit('error', new ERR_MULTIPLE_CALLBACK());
+  }
+
+  ts.writechunk = null;
+  ts.writecb = null;
+  if (data != null) // single equals check for both `null` and `undefined`
+    this.push(data);
+  cb(er);
+  var rs = this._readableState;
+  rs.reading = false;
+
+  if (rs.needReadable || rs.length < rs.highWaterMark) {
+    this._read(rs.highWaterMark);
+  }
+}
+
+function Transform(options) {
+  if (!(this instanceof Transform)) return new Transform(options);
+  Duplex.call(this, options);
+  this._transformState = {
+    afterTransform: afterTransform.bind(this),
+    needTransform: false,
+    transforming: false,
+    writecb: null,
+    writechunk: null,
+    writeencoding: null
+  }; // start out asking for a readable event once data is transformed.
+
+  this._readableState.needReadable = true; // we have implemented the _read method, and done the other things
+  // that Readable wants before the first _read call, so unset the
+  // sync guard flag.
+
+  this._readableState.sync = false;
+
+  if (options) {
+    if (typeof options.transform === 'function') this._transform = options.transform;
+    if (typeof options.flush === 'function') this._flush = options.flush;
+  } // When the writable side finishes, then flush out anything remaining.
+
+
+  this.on('prefinish', prefinish);
+}
+
+function prefinish() {
+  var _this = this;
+
+  if (typeof this._flush === 'function' && !this._readableState.destroyed) {
+    this._flush(function (er, data) {
+      done(_this, er, data);
+    });
+  } else {
+    done(this, null, null);
+  }
+}
+
+Transform.prototype.push = function (chunk, encoding) {
+  this._transformState.needTransform = false;
+  return Duplex.prototype.push.call(this, chunk, encoding);
+}; // This is the part where you do stuff!
+// override this function in implementation classes.
+// 'chunk' is an input chunk.
+//
+// Call `push(newChunk)` to pass along transformed output
+// to the readable side.  You may call 'push' zero or more times.
+//
+// Call `cb(err)` when you are done with this chunk.  If you pass
+// an error, then that'll put the hurt on the whole operation.  If you
+// never call cb(), then you'll never get another chunk.
+
+
+Transform.prototype._transform = function (chunk, encoding, cb) {
+  cb(new ERR_METHOD_NOT_IMPLEMENTED('_transform()'));
+};
+
+Transform.prototype._write = function (chunk, encoding, cb) {
+  var ts = this._transformState;
+  ts.writecb = cb;
+  ts.writechunk = chunk;
+  ts.writeencoding = encoding;
+
+  if (!ts.transforming) {
+    var rs = this._readableState;
+    if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark);
+  }
+}; // Doesn't matter what the args are here.
+// _transform does all the work.
+// That we got here means that the readable side wants more data.
+
+
+Transform.prototype._read = function (n) {
+  var ts = this._transformState;
+
+  if (ts.writechunk !== null && !ts.transforming) {
+    ts.transforming = true;
+
+    this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
+  } else {
+    // mark that we need a transform, so that any data that comes in
+    // will get processed, now that we've asked for it.
+    ts.needTransform = true;
+  }
+};
+
+Transform.prototype._destroy = function (err, cb) {
+  Duplex.prototype._destroy.call(this, err, function (err2) {
+    cb(err2);
+  });
+};
+
+function done(stream, er, data) {
+  if (er) return stream.emit('error', er);
+  if (data != null) // single equals check for both `null` and `undefined`
+    stream.push(data); // TODO(BridgeAR): Write a test for these two error cases
+  // if there's nothing in the write buffer, then that means
+  // that nothing more will ever be provided
+
+  if (stream._writableState.length) throw new ERR_TRANSFORM_WITH_LENGTH_0();
+  if (stream._transformState.transforming) throw new ERR_TRANSFORM_ALREADY_TRANSFORMING();
+  return stream.push(null);
+}
\ No newline at end of file

+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+// A bit simpler than readable streams.
+// Implement an async ._write(chunk, encoding, cb), and it'll handle all
+// the drain event emission and buffering.
+'use strict';
+
+module.exports = Writable;
+/* <replacement> */
+
+function WriteReq(chunk, encoding, cb) {
+  this.chunk = chunk;
+  this.encoding = encoding;
+  this.callback = cb;
+  this.next = null;
+} // It seems a linked list but it is not
+// there will be only 2 of these for each stream
+
+
+function CorkedRequest(state) {
+  var _this = this;
+
+  this.next = null;
+  this.entry = null;
+
+  this.finish = function () {
+    onCorkedFinish(_this, state);
+  };
+}
+/* </replacement> */
+
+/*<replacement>*/
+
+
+var Duplex;
+/*</replacement>*/
+
+Writable.WritableState = WritableState;
+/*<replacement>*/
+
+var internalUtil = {
+  deprecate: require('util-deprecate')
+};
+/*</replacement>*/
+
+/*<replacement>*/
+
+var Stream = require('./internal/streams/stream');
+/*</replacement>*/
+
+
+var Buffer = require('buffer').Buffer;
+
+var OurUint8Array = global.Uint8Array || function () {};
+
+function _uint8ArrayToBuffer(chunk) {
+  return Buffer.from(chunk);
+}
+
+function _isUint8Array(obj) {
+  return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
+}
+
+var destroyImpl = require('./internal/streams/destroy');
+
+var _require = require('./internal/streams/state'),
+    getHighWaterMark = _require.getHighWaterMark;
+
+var _require$codes = require('../errors').codes,
+    ERR_INVALID_ARG_TYPE = _require$codes.ERR_INVALID_ARG_TYPE,
+    ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED,
+    ERR_MULTIPLE_CALLBACK = _require$codes.ERR_MULTIPLE_CALLBACK,
+    ERR_STREAM_CANNOT_PIPE = _require$codes.ERR_STREAM_CANNOT_PIPE,
+    ERR_STREAM_DESTROYED = _require$codes.ERR_STREAM_DESTROYED,
+    ERR_STREAM_NULL_VALUES = _require$codes.ERR_STREAM_NULL_VALUES,
+    ERR_STREAM_WRITE_AFTER_END = _require$codes.ERR_STREAM_WRITE_AFTER_END,
+    ERR_UNKNOWN_ENCODING = _require$codes.ERR_UNKNOWN_ENCODING;
+
+var errorOrDestroy = destroyImpl.errorOrDestroy;
+
+require('inherits')(Writable, Stream);
+
+function nop() {}
+
+function WritableState(options, stream, isDuplex) {
+  Duplex = Duplex || require('./_stream_duplex');
+  options = options || {}; // Duplex streams are both readable and writable, but share
+  // the same options object.
+  // However, some cases require setting options to different
+  // values for the readable and the writable sides of the duplex stream,
+  // e.g. options.readableObjectMode vs. options.writableObjectMode, etc.
+
+  if (typeof isDuplex !== 'boolean') isDuplex = stream instanceof Duplex; // object stream flag to indicate whether or not this stream
+  // contains buffers or objects.
+
+  this.objectMode = !!options.objectMode;
+  if (isDuplex) this.objectMode = this.objectMode || !!options.writableObjectMode; // the point at which write() starts returning false
+  // Note: 0 is a valid value, means that we always return false if
+  // the entire buffer is not flushed immediately on write()
+
+  this.highWaterMark = getHighWaterMark(this, options, 'writableHighWaterMark', isDuplex); // if _final has been called
+
+  this.finalCalled = false; // drain event flag.
+
+  this.needDrain = false; // at the start of calling end()
+
+  this.ending = false; // when end() has been called, and returned
+
+  this.ended = false; // when 'finish' is emitted
+
+  this.finished = false; // has it been destroyed
+
+  this.destroyed = false; // should we decode strings into buffers before passing to _write?
+  // this is here so that some node-core streams can optimize string
+  // handling at a lower level.
+
+  var noDecode = options.decodeStrings === false;
+  this.decodeStrings = !noDecode; // Crypto is kind of old and crusty.  Historically, its default string
+  // encoding is 'binary' so we have to make this configurable.
+  // Everything else in the universe uses 'utf8', though.
+
+  this.defaultEncoding = options.defaultEncoding || 'utf8'; // not an actual buffer we keep track of, but a measurement
+  // of how much we're waiting to get pushed to some underlying
+  // socket or file.
+
+  this.length = 0; // a flag to see when we're in the middle of a write.
+
+  this.writing = false; // when true all writes will be buffered until .uncork() call
+
+  this.corked = 0; // a flag to be able to tell if the onwrite cb is called immediately,
+  // or on a later tick.  We set this to true at first, because any
+  // actions that shouldn't happen until "later" should generally also
+  // not happen before the first write call.
+
+  this.sync = true; // a flag to know if we're processing previously buffered items, which
+  // may call the _write() callback in the same tick, so that we don't
+  // end up in an overlapped onwrite situation.
+
+  this.bufferProcessing = false; // the callback that's passed to _write(chunk,cb)
+
+  this.onwrite = function (er) {
+    onwrite(stream, er);
+  }; // the callback that the user supplies to write(chunk,encoding,cb)
+
+
+  this.writecb = null; // the amount that is being written when _write is called.
+
+  this.writelen = 0;
+  this.bufferedRequest = null;
+  this.lastBufferedRequest = null; // number of pending user-supplied write callbacks
+  // this must be 0 before 'finish' can be emitted
+
+  this.pendingcb = 0; // emit prefinish if the only thing we're waiting for is _write cbs
+  // This is relevant for synchronous Transform streams
+
+  this.prefinished = false; // True if the error was already emitted and should not be thrown again
+
+  this.errorEmitted = false; // Should close be emitted on destroy. Defaults to true.
+
+  this.emitClose = options.emitClose !== false; // Should .destroy() be called after 'finish' (and potentially 'end')
+
+  this.autoDestroy = !!options.autoDestroy; // count buffered requests
+
+  this.bufferedRequestCount = 0; // allocate the first CorkedRequest, there is always
+  // one allocated and free to use, and we maintain at most two
+
+  this.corkedRequestsFree = new CorkedRequest(this);
+}
+
+WritableState.prototype.getBuffer = function getBuffer() {
+  var current = this.bufferedRequest;
+  var out = [];
+
+  while (current) {
+    out.push(current);
+    current = current.next;
+  }
+
+  return out;
+};
+
+(function () {
+  try {
+    Object.defineProperty(WritableState.prototype, 'buffer', {
+      get: internalUtil.deprecate(function writableStateBufferGetter() {
+        return this.getBuffer();
+      }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.', 'DEP0003')
+    });
+  } catch (_) {}
+})(); // Test _writableState for inheritance to account for Duplex streams,
+// whose prototype chain only points to Readable.
+
+
+var realHasInstance;
+
+if (typeof Symbol === 'function' && Symbol.hasInstance && typeof Function.prototype[Symbol.hasInstance] === 'function') {
+  realHasInstance = Function.prototype[Symbol.hasInstance];
+  Object.defineProperty(Writable, Symbol.hasInstance, {
+    value: function value(object) {
+      if (realHasInstance.call(this, object)) return true;
+      if (this !== Writable) return false;
+      return object && object._writableState instanceof WritableState;
+    }
+  });
+} else {
+  realHasInstance = function realHasInstance(object) {
+    return object instanceof this;
+  };
+}
+
+function Writable(options) {
+  Duplex = Duplex || require('./_stream_duplex'); // Writable ctor is applied to Duplexes, too.
+  // `realHasInstance` is necessary because using plain `instanceof`
+  // would return false, as no `_writableState` property is attached.
+  // Trying to use the custom `instanceof` for Writable here will also break the
+  // Node.js LazyTransform implementation, which has a non-trivial getter for
+  // `_writableState` that would lead to infinite recursion.
+  // Checking for a Stream.Duplex instance is faster here instead of inside
+  // the WritableState constructor, at least with V8 6.5
+
+  var isDuplex = this instanceof Duplex;
+  if (!isDuplex && !realHasInstance.call(Writable, this)) return new Writable(options);
+  this._writableState = new WritableState(options, this, isDuplex); // legacy.
+
+  this.writable = true;
+
+  if (options) {
+    if (typeof options.write === 'function') this._write = options.write;
+    if (typeof options.writev === 'function') this._writev = options.writev;
+    if (typeof options.destroy === 'function') this._destroy = options.destroy;
+    if (typeof options.final === 'function') this._final = options.final;
+  }
+
+  Stream.call(this);
+} // Otherwise people can pipe Writable streams, which is just wrong.
+
+
+Writable.prototype.pipe = function () {
+  errorOrDestroy(this, new ERR_STREAM_CANNOT_PIPE());
+};
+
+function writeAfterEnd(stream, cb) {
+  var er = new ERR_STREAM_WRITE_AFTER_END(); // TODO: defer error events consistently everywhere, not just the cb
+
+  errorOrDestroy(stream, er);
+  process.nextTick(cb, er);
+} // Checks that a user-supplied chunk is valid, especially for the particular
+// mode the stream is in. Currently this means that `null` is never accepted
+// and undefined/non-string values are only allowed in object mode.
+
+
+function validChunk(stream, state, chunk, cb) {
+  var er;
+
+  if (chunk === null) {
+    er = new ERR_STREAM_NULL_VALUES();
+  } else if (typeof chunk !== 'string' && !state.objectMode) {
+    er = new ERR_INVALID_ARG_TYPE('chunk', ['string', 'Buffer'], chunk);
+  }
+
+  if (er) {
+    errorOrDestroy(stream, er);
+    process.nextTick(cb, er);
+    return false;
+  }
+
+  return true;
+}
+
+Writable.prototype.write = function (chunk, encoding, cb) {
+  var state = this._writableState;
+  var ret = false;
+
+  var isBuf = !state.objectMode && _isUint8Array(chunk);
+
+  if (isBuf && !Buffer.isBuffer(chunk)) {
+    chunk = _uint8ArrayToBuffer(chunk);
+  }
+
+  if (typeof encoding === 'function') {
+    cb = encoding;
+    encoding = null;
+  }
+
+  if (isBuf) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding;
+  if (typeof cb !== 'function') cb = nop;
+  if (state.ending) writeAfterEnd(this, cb);else if (isBuf || validChunk(this, state, chunk, cb)) {
+    state.pendingcb++;
+    ret = writeOrBuffer(this, state, isBuf, chunk, encoding, cb);
+  }
+  return ret;
+};
+
+Writable.prototype.cork = function () {
+  this._writableState.corked++;
+};
+
+Writable.prototype.uncork = function () {
+  var state = this._writableState;
+
+  if (state.corked) {
+    state.corked--;
+    if (!state.writing && !state.corked && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state);
+  }
+};
+
+Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) {
+  // node::ParseEncoding() requires lower case.
+  if (typeof encoding === 'string') encoding = encoding.toLowerCase();
+  if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new ERR_UNKNOWN_ENCODING(encoding);
+  this._writableState.defaultEncoding = encoding;
+  return this;
+};
+
+Object.defineProperty(Writable.prototype, 'writableBuffer', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._writableState && this._writableState.getBuffer();
+  }
+});
+
+function decodeChunk(state, chunk, encoding) {
+  if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') {
+    chunk = Buffer.from(chunk, encoding);
+  }
+
+  return chunk;
+}
+
+Object.defineProperty(Writable.prototype, 'writableHighWaterMark', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._writableState.highWaterMark;
+  }
+}); // if we're already writing something, then just put this
+// in the queue, and wait our turn.  Otherwise, call _write
+// If we return false, then we need a drain event, so set that flag.
+
+function writeOrBuffer(stream, state, isBuf, chunk, encoding, cb) {
+  if (!isBuf) {
+    var newChunk = decodeChunk(state, chunk, encoding);
+
+    if (chunk !== newChunk) {
+      isBuf = true;
+      encoding = 'buffer';
+      chunk = newChunk;
+    }
+  }
+
+  var len = state.objectMode ? 1 : chunk.length;
+  state.length += len;
+  var ret = state.length < state.highWaterMark; // we must ensure that previous needDrain will not be reset to false.
+
+  if (!ret) state.needDrain = true;
+
+  if (state.writing || state.corked) {
+    var last = state.lastBufferedRequest;
+    state.lastBufferedRequest = {
+      chunk: chunk,
+      encoding: encoding,
+      isBuf: isBuf,
+      callback: cb,
+      next: null
+    };
+
+    if (last) {
+      last.next = state.lastBufferedRequest;
+    } else {
+      state.bufferedRequest = state.lastBufferedRequest;
+    }
+
+    state.bufferedRequestCount += 1;
+  } else {
+    doWrite(stream, state, false, len, chunk, encoding, cb);
+  }
+
+  return ret;
+}
+
+function doWrite(stream, state, writev, len, chunk, encoding, cb) {
+  state.writelen = len;
+  state.writecb = cb;
+  state.writing = true;
+  state.sync = true;
+  if (state.destroyed) state.onwrite(new ERR_STREAM_DESTROYED('write'));else if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite);
+  state.sync = false;
+}
+
+function onwriteError(stream, state, sync, er, cb) {
+  --state.pendingcb;
+
+  if (sync) {
+    // defer the callback if we are being called synchronously
+    // to avoid piling up things on the stack
+    process.nextTick(cb, er); // this can emit finish, and it will always happen
+    // after error
+
+    process.nextTick(finishMaybe, stream, state);
+    stream._writableState.errorEmitted = true;
+    errorOrDestroy(stream, er);
+  } else {
+    // the caller expect this to happen before if
+    // it is async
+    cb(er);
+    stream._writableState.errorEmitted = true;
+    errorOrDestroy(stream, er); // this can emit finish, but finish must
+    // always follow error
+
+    finishMaybe(stream, state);
+  }
+}
+
+function onwriteStateUpdate(state) {
+  state.writing = false;
+  state.writecb = null;
+  state.length -= state.writelen;
+  state.writelen = 0;
+}
+
+function onwrite(stream, er) {
+  var state = stream._writableState;
+  var sync = state.sync;
+  var cb = state.writecb;
+  if (typeof cb !== 'function') throw new ERR_MULTIPLE_CALLBACK();
+  onwriteStateUpdate(state);
+  if (er) onwriteError(stream, state, sync, er, cb);else {
+    // Check if we're actually ready to finish, but don't emit yet
+    var finished = needFinish(state) || stream.destroyed;
+
+    if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) {
+      clearBuffer(stream, state);
+    }
+
+    if (sync) {
+      process.nextTick(afterWrite, stream, state, finished, cb);
+    } else {
+      afterWrite(stream, state, finished, cb);
+    }
+  }
+}
+
+function afterWrite(stream, state, finished, cb) {
+  if (!finished) onwriteDrain(stream, state);
+  state.pendingcb--;
+  cb();
+  finishMaybe(stream, state);
+} // Must force callback to be called on nextTick, so that we don't
+// emit 'drain' before the write() consumer gets the 'false' return
+// value, and has a chance to attach a 'drain' listener.
+
+
+function onwriteDrain(stream, state) {
+  if (state.length === 0 && state.needDrain) {
+    state.needDrain = false;
+    stream.emit('drain');
+  }
+} // if there's something in the buffer waiting, then process it
+
+
+function clearBuffer(stream, state) {
+  state.bufferProcessing = true;
+  var entry = state.bufferedRequest;
+
+  if (stream._writev && entry && entry.next) {
+    // Fast case, write everything using _writev()
+    var l = state.bufferedRequestCount;
+    var buffer = new Array(l);
+    var holder = state.corkedRequestsFree;
+    holder.entry = entry;
+    var count = 0;
+    var allBuffers = true;
+
+    while (entry) {
+      buffer[count] = entry;
+      if (!entry.isBuf) allBuffers = false;
+      entry = entry.next;
+      count += 1;
+    }
+
+    buffer.allBuffers = allBuffers;
+    doWrite(stream, state, true, state.length, buffer, '', holder.finish); // doWrite is almost always async, defer these to save a bit of time
+    // as the hot path ends with doWrite
+
+    state.pendingcb++;
+    state.lastBufferedRequest = null;
+
+    if (holder.next) {
+      state.corkedRequestsFree = holder.next;
+      holder.next = null;
+    } else {
+      state.corkedRequestsFree = new CorkedRequest(state);
+    }
+
+    state.bufferedRequestCount = 0;
+  } else {
+    // Slow case, write chunks one-by-one
+    while (entry) {
+      var chunk = entry.chunk;
+      var encoding = entry.encoding;
+      var cb = entry.callback;
+      var len = state.objectMode ? 1 : chunk.length;
+      doWrite(stream, state, false, len, chunk, encoding, cb);
+      entry = entry.next;
+      state.bufferedRequestCount--; // if we didn't call the onwrite immediately, then
+      // it means that we need to wait until it does.
+      // also, that means that the chunk and cb are currently
+      // being processed, so move the buffer counter past them.
+
+      if (state.writing) {
+        break;
+      }
+    }
+
+    if (entry === null) state.lastBufferedRequest = null;
+  }
+
+  state.bufferedRequest = entry;
+  state.bufferProcessing = false;
+}
+
+Writable.prototype._write = function (chunk, encoding, cb) {
+  cb(new ERR_METHOD_NOT_IMPLEMENTED('_write()'));
+};
+
+Writable.prototype._writev = null;
+
+Writable.prototype.end = function (chunk, encoding, cb) {
+  var state = this._writableState;
+
+  if (typeof chunk === 'function') {
+    cb = chunk;
+    chunk = null;
+    encoding = null;
+  } else if (typeof encoding === 'function') {
+    cb = encoding;
+    encoding = null;
+  }
+
+  if (chunk !== null && chunk !== undefined) this.write(chunk, encoding); // .end() fully uncorks
+
+  if (state.corked) {
+    state.corked = 1;
+    this.uncork();
+  } // ignore unnecessary end() calls.
+
+
+  if (!state.ending) endWritable(this, state, cb);
+  return this;
+};
+
+Object.defineProperty(Writable.prototype, 'writableLength', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    return this._writableState.length;
+  }
+});
+
+function needFinish(state) {
+  return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing;
+}
+
+function callFinal(stream, state) {
+  stream._final(function (err) {
+    state.pendingcb--;
+
+    if (err) {
+      errorOrDestroy(stream, err);
+    }
+
+    state.prefinished = true;
+    stream.emit('prefinish');
+    finishMaybe(stream, state);
+  });
+}
+
+function prefinish(stream, state) {
+  if (!state.prefinished && !state.finalCalled) {
+    if (typeof stream._final === 'function' && !state.destroyed) {
+      state.pendingcb++;
+      state.finalCalled = true;
+      process.nextTick(callFinal, stream, state);
+    } else {
+      state.prefinished = true;
+      stream.emit('prefinish');
+    }
+  }
+}
+
+function finishMaybe(stream, state) {
+  var need = needFinish(state);
+
+  if (need) {
+    prefinish(stream, state);
+
+    if (state.pendingcb === 0) {
+      state.finished = true;
+      stream.emit('finish');
+
+      if (state.autoDestroy) {
+        // In case of duplex streams we need a way to detect
+        // if the readable side is ready for autoDestroy as well
+        var rState = stream._readableState;
+
+        if (!rState || rState.autoDestroy && rState.endEmitted) {
+          stream.destroy();
+        }
+      }
+    }
+  }
+
+  return need;
+}
+
+function endWritable(stream, state, cb) {
+  state.ending = true;
+  finishMaybe(stream, state);
+
+  if (cb) {
+    if (state.finished) process.nextTick(cb);else stream.once('finish', cb);
+  }
+
+  state.ended = true;
+  stream.writable = false;
+}
+
+function onCorkedFinish(corkReq, state, err) {
+  var entry = corkReq.entry;
+  corkReq.entry = null;
+
+  while (entry) {
+    var cb = entry.callback;
+    state.pendingcb--;
+    cb(err);
+    entry = entry.next;
+  } // reuse the free corkReq.
+
+
+  state.corkedRequestsFree.next = corkReq;
+}
+
+Object.defineProperty(Writable.prototype, 'destroyed', {
+  // making it explicit this property is not enumerable
+  // because otherwise some prototype manipulation in
+  // userland will fail
+  enumerable: false,
+  get: function get() {
+    if (this._writableState === undefined) {
+      return false;
+    }
+
+    return this._writableState.destroyed;
+  },
+  set: function set(value) {
+    // we ignore the value if the stream
+    // has not been initialized yet
+    if (!this._writableState) {
+      return;
+    } // backward compatibility, the user is explicitly
+    // managing destroyed
+
+
+    this._writableState.destroyed = value;
+  }
+});
+Writable.prototype.destroy = destroyImpl.destroy;
+Writable.prototype._undestroy = destroyImpl.undestroy;
+
+Writable.prototype._destroy = function (err, cb) {
+  cb(err);
+};
\ No newline at end of file

+module.exports = require('events').EventEmitter;

+module.exports = require('stream');

+{
+  "_from": "readable-stream@^3.1.1",
+  "_id": "readable-stream@3.6.0",
+  "_inBundle": false,
+  "_integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+  "_location": "/duplexify/readable-stream",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "readable-stream@^3.1.1",
+    "name": "readable-stream",
+    "escapedName": "readable-stream",
+    "rawSpec": "^3.1.1",
+    "saveSpec": null,
+    "fetchSpec": "^3.1.1"
+  },
+  "_requiredBy": [
+    "/duplexify"
+  ],
+  "_resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+  "_shasum": "337bbda3adc0706bd3e024426a286d4b4b2c9198",
+  "_spec": "readable-stream@^3.1.1",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\duplexify",
+  "browser": {
+    "util": false,
+    "worker_threads": false,
+    "./errors": "./errors-browser.js",
+    "./readable.js": "./readable-browser.js",
+    "./lib/internal/streams/from.js": "./lib/internal/streams/from-browser.js",
+    "./lib/internal/streams/stream.js": "./lib/internal/streams/stream-browser.js"
+  },
+  "bugs": {
+    "url": "https://github.com/nodejs/readable-stream/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "inherits": "^2.0.3",
+    "string_decoder": "^1.1.1",
+    "util-deprecate": "^1.0.1"
+  },
+  "deprecated": false,
+  "description": "Streams3, a user-land copy of the stream library from Node.js",
+  "devDependencies": {
+    "@babel/cli": "^7.2.0",
+    "@babel/core": "^7.2.0",
+    "@babel/polyfill": "^7.0.0",
+    "@babel/preset-env": "^7.2.0",
+    "airtap": "0.0.9",
+    "assert": "^1.4.0",
+    "bl": "^2.0.0",
+    "deep-strict-equal": "^0.2.0",
+    "events.once": "^2.0.2",
+    "glob": "^7.1.2",
+    "gunzip-maybe": "^1.4.1",
+    "hyperquest": "^2.1.3",
+    "lolex": "^2.6.0",
+    "nyc": "^11.0.0",
+    "pump": "^3.0.0",
+    "rimraf": "^2.6.2",
+    "tap": "^12.0.0",
+    "tape": "^4.9.0",
+    "tar-fs": "^1.16.2",
+    "util-promisify": "^2.1.0"
+  },
+  "engines": {
+    "node": ">= 6"
+  },
+  "homepage": "https://github.com/nodejs/readable-stream#readme",
+  "keywords": [
+    "readable",
+    "stream",
+    "pipe"
+  ],
+  "license": "MIT",
+  "main": "readable.js",
+  "name": "readable-stream",
+  "nyc": {
+    "include": [
+      "lib/**.js"
+    ]
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/nodejs/readable-stream.git"
+  },
+  "scripts": {
+    "ci": "TAP=1 tap --no-esm test/parallel/*.js test/ours/*.js | tee test.tap",
+    "cover": "nyc npm test",
+    "report": "nyc report --reporter=lcov",
+    "test": "tap -J --no-esm test/parallel/*.js test/ours/*.js",
+    "test-browser-local": "airtap --open --local -- test/browser.js",
+    "test-browsers": "airtap --sauce-connect --loopback airtap.local -- test/browser.js",
+    "update-browser-errors": "babel -o errors-browser.js errors.js"
+  },
+  "version": "3.6.0"
+}

+var Stream = require('stream');
+if (process.env.READABLE_STREAM === 'disable' && Stream) {
+  module.exports = Stream.Readable;
+  Object.assign(module.exports, Stream);
+  module.exports.Stream = Stream;
+} else {
+  exports = module.exports = require('./lib/_stream_readable.js');
+  exports.Stream = Stream || exports;
+  exports.Readable = exports;
+  exports.Writable = require('./lib/_stream_writable.js');
+  exports.Duplex = require('./lib/_stream_duplex.js');
+  exports.Transform = require('./lib/_stream_transform.js');
+  exports.PassThrough = require('./lib/_stream_passthrough.js');
+  exports.finished = require('./lib/internal/streams/end-of-stream.js');
+  exports.pipeline = require('./lib/internal/streams/pipeline.js');
+}

+The MIT License (MIT)
+
+Copyright (c) Feross Aboukhadijeh
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

+# safe-buffer [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
+
+[travis-image]: https://img.shields.io/travis/feross/safe-buffer/master.svg
+[travis-url]: https://travis-ci.org/feross/safe-buffer
+[npm-image]: https://img.shields.io/npm/v/safe-buffer.svg
+[npm-url]: https://npmjs.org/package/safe-buffer
+[downloads-image]: https://img.shields.io/npm/dm/safe-buffer.svg
+[downloads-url]: https://npmjs.org/package/safe-buffer
+[standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
+[standard-url]: https://standardjs.com
+
+#### Safer Node.js Buffer API
+
+**Use the new Node.js Buffer APIs (`Buffer.from`, `Buffer.alloc`,
+`Buffer.allocUnsafe`, `Buffer.allocUnsafeSlow`) in all versions of Node.js.**
+
+**Uses the built-in implementation when available.**
+
+## install
+
+```
+npm install safe-buffer
+```
+
+## usage
+
+The goal of this package is to provide a safe replacement for the node.js `Buffer`.
+
+It's a drop-in replacement for `Buffer`. You can use it by adding one `require` line to
+the top of your node.js modules:
+
+```js
+var Buffer = require('safe-buffer').Buffer
+
+// Existing buffer code will continue to work without issues:
+
+new Buffer('hey', 'utf8')
+new Buffer([1, 2, 3], 'utf8')
+new Buffer(obj)
+new Buffer(16) // create an uninitialized buffer (potentially unsafe)
+
+// But you can use these new explicit APIs to make clear what you want:
+
+Buffer.from('hey', 'utf8') // convert from many types to a Buffer
+Buffer.alloc(16) // create a zero-filled buffer (safe)
+Buffer.allocUnsafe(16) // create an uninitialized buffer (potentially unsafe)
+```
+
+## api
+
+### Class Method: Buffer.from(array)
+<!-- YAML
+added: v3.0.0
+-->
+
+* `array` {Array}
+
+Allocates a new `Buffer` using an `array` of octets.
+
+```js
+const buf = Buffer.from([0x62,0x75,0x66,0x66,0x65,0x72]);
+  // creates a new Buffer containing ASCII bytes
+  // ['b','u','f','f','e','r']
+```
+
+A `TypeError` will be thrown if `array` is not an `Array`.
+
+### Class Method: Buffer.from(arrayBuffer[, byteOffset[, length]])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `arrayBuffer` {ArrayBuffer} The `.buffer` property of a `TypedArray` or
+  a `new ArrayBuffer()`
+* `byteOffset` {Number} Default: `0`
+* `length` {Number} Default: `arrayBuffer.length - byteOffset`
+
+When passed a reference to the `.buffer` property of a `TypedArray` instance,
+the newly created `Buffer` will share the same allocated memory as the
+TypedArray.
+
+```js
+const arr = new Uint16Array(2);
+arr[0] = 5000;
+arr[1] = 4000;
+
+const buf = Buffer.from(arr.buffer); // shares the memory with arr;
+
+console.log(buf);
+  // Prints: <Buffer 88 13 a0 0f>
+
+// changing the TypedArray changes the Buffer also
+arr[1] = 6000;
+
+console.log(buf);
+  // Prints: <Buffer 88 13 70 17>
+```
+
+The optional `byteOffset` and `length` arguments specify a memory range within
+the `arrayBuffer` that will be shared by the `Buffer`.
+
+```js
+const ab = new ArrayBuffer(10);
+const buf = Buffer.from(ab, 0, 2);
+console.log(buf.length);
+  // Prints: 2
+```
+
+A `TypeError` will be thrown if `arrayBuffer` is not an `ArrayBuffer`.
+
+### Class Method: Buffer.from(buffer)
+<!-- YAML
+added: v3.0.0
+-->
+
+* `buffer` {Buffer}
+
+Copies the passed `buffer` data onto a new `Buffer` instance.
+
+```js
+const buf1 = Buffer.from('buffer');
+const buf2 = Buffer.from(buf1);
+
+buf1[0] = 0x61;
+console.log(buf1.toString());
+  // 'auffer'
+console.log(buf2.toString());
+  // 'buffer' (copy is not changed)
+```
+
+A `TypeError` will be thrown if `buffer` is not a `Buffer`.
+
+### Class Method: Buffer.from(str[, encoding])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `str` {String} String to encode.
+* `encoding` {String} Encoding to use, Default: `'utf8'`
+
+Creates a new `Buffer` containing the given JavaScript string `str`. If
+provided, the `encoding` parameter identifies the character encoding.
+If not provided, `encoding` defaults to `'utf8'`.
+
+```js
+const buf1 = Buffer.from('this is a tést');
+console.log(buf1.toString());
+  // prints: this is a tést
+console.log(buf1.toString('ascii'));
+  // prints: this is a tC)st
+
+const buf2 = Buffer.from('7468697320697320612074c3a97374', 'hex');
+console.log(buf2.toString());
+  // prints: this is a tést
+```
+
+A `TypeError` will be thrown if `str` is not a string.
+
+### Class Method: Buffer.alloc(size[, fill[, encoding]])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+* `fill` {Value} Default: `undefined`
+* `encoding` {String} Default: `utf8`
+
+Allocates a new `Buffer` of `size` bytes. If `fill` is `undefined`, the
+`Buffer` will be *zero-filled*.
+
+```js
+const buf = Buffer.alloc(5);
+console.log(buf);
+  // <Buffer 00 00 00 00 00>
+```
+
+The `size` must be less than or equal to the value of
+`require('buffer').kMaxLength` (on 64-bit architectures, `kMaxLength` is
+`(2^31)-1`). Otherwise, a [`RangeError`][] is thrown. A zero-length Buffer will
+be created if a `size` less than or equal to 0 is specified.
+
+If `fill` is specified, the allocated `Buffer` will be initialized by calling
+`buf.fill(fill)`. See [`buf.fill()`][] for more information.
+
+```js
+const buf = Buffer.alloc(5, 'a');
+console.log(buf);
+  // <Buffer 61 61 61 61 61>
+```
+
+If both `fill` and `encoding` are specified, the allocated `Buffer` will be
+initialized by calling `buf.fill(fill, encoding)`. For example:
+
+```js
+const buf = Buffer.alloc(11, 'aGVsbG8gd29ybGQ=', 'base64');
+console.log(buf);
+  // <Buffer 68 65 6c 6c 6f 20 77 6f 72 6c 64>
+```
+
+Calling `Buffer.alloc(size)` can be significantly slower than the alternative
+`Buffer.allocUnsafe(size)` but ensures that the newly created `Buffer` instance
+contents will *never contain sensitive data*.
+
+A `TypeError` will be thrown if `size` is not a number.
+
+### Class Method: Buffer.allocUnsafe(size)
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+
+Allocates a new *non-zero-filled* `Buffer` of `size` bytes.  The `size` must
+be less than or equal to the value of `require('buffer').kMaxLength` (on 64-bit
+architectures, `kMaxLength` is `(2^31)-1`). Otherwise, a [`RangeError`][] is
+thrown. A zero-length Buffer will be created if a `size` less than or equal to
+0 is specified.
+
+The underlying memory for `Buffer` instances created in this way is *not
+initialized*. The contents of the newly created `Buffer` are unknown and
+*may contain sensitive data*. Use [`buf.fill(0)`][] to initialize such
+`Buffer` instances to zeroes.
+
+```js
+const buf = Buffer.allocUnsafe(5);
+console.log(buf);
+  // <Buffer 78 e0 82 02 01>
+  // (octets will be different, every time)
+buf.fill(0);
+console.log(buf);
+  // <Buffer 00 00 00 00 00>
+```
+
+A `TypeError` will be thrown if `size` is not a number.
+
+Note that the `Buffer` module pre-allocates an internal `Buffer` instance of
+size `Buffer.poolSize` that is used as a pool for the fast allocation of new
+`Buffer` instances created using `Buffer.allocUnsafe(size)` (and the deprecated
+`new Buffer(size)` constructor) only when `size` is less than or equal to
+`Buffer.poolSize >> 1` (floor of `Buffer.poolSize` divided by two). The default
+value of `Buffer.poolSize` is `8192` but can be modified.
+
+Use of this pre-allocated internal memory pool is a key difference between
+calling `Buffer.alloc(size, fill)` vs. `Buffer.allocUnsafe(size).fill(fill)`.
+Specifically, `Buffer.alloc(size, fill)` will *never* use the internal Buffer
+pool, while `Buffer.allocUnsafe(size).fill(fill)` *will* use the internal
+Buffer pool if `size` is less than or equal to half `Buffer.poolSize`. The
+difference is subtle but can be important when an application requires the
+additional performance that `Buffer.allocUnsafe(size)` provides.
+
+### Class Method: Buffer.allocUnsafeSlow(size)
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+
+Allocates a new *non-zero-filled* and non-pooled `Buffer` of `size` bytes.  The
+`size` must be less than or equal to the value of
+`require('buffer').kMaxLength` (on 64-bit architectures, `kMaxLength` is
+`(2^31)-1`). Otherwise, a [`RangeError`][] is thrown. A zero-length Buffer will
+be created if a `size` less than or equal to 0 is specified.
+
+The underlying memory for `Buffer` instances created in this way is *not
+initialized*. The contents of the newly created `Buffer` are unknown and
+*may contain sensitive data*. Use [`buf.fill(0)`][] to initialize such
+`Buffer` instances to zeroes.
+
+When using `Buffer.allocUnsafe()` to allocate new `Buffer` instances,
+allocations under 4KB are, by default, sliced from a single pre-allocated
+`Buffer`. This allows applications to avoid the garbage collection overhead of
+creating many individually allocated Buffers. This approach improves both
+performance and memory usage by eliminating the need to track and cleanup as
+many `Persistent` objects.
+
+However, in the case where a developer may need to retain a small chunk of
+memory from a pool for an indeterminate amount of time, it may be appropriate
+to create an un-pooled Buffer instance using `Buffer.allocUnsafeSlow()` then
+copy out the relevant bits.
+
+```js
+// need to keep around a few small chunks of memory
+const store = [];
+
+socket.on('readable', () => {
+  const data = socket.read();
+  // allocate for retained data
+  const sb = Buffer.allocUnsafeSlow(10);
+  // copy the data into the new allocation
+  data.copy(sb, 0, 0, 10);
+  store.push(sb);
+});
+```
+
+Use of `Buffer.allocUnsafeSlow()` should be used only as a last resort *after*
+a developer has observed undue memory retention in their applications.
+
+A `TypeError` will be thrown if `size` is not a number.
+
+### All the Rest
+
+The rest of the `Buffer` API is exactly the same as in node.js.
+[See the docs](https://nodejs.org/api/buffer.html).
+
+
+## Related links
+
+- [Node.js issue: Buffer(number) is unsafe](https://github.com/nodejs/node/issues/4660)
+- [Node.js Enhancement Proposal: Buffer.from/Buffer.alloc/Buffer.zalloc/Buffer() soft-deprecate](https://github.com/nodejs/node-eps/pull/4)
+
+## Why is `Buffer` unsafe?
+
+Today, the node.js `Buffer` constructor is overloaded to handle many different argument
+types like `String`, `Array`, `Object`, `TypedArrayView` (`Uint8Array`, etc.),
+`ArrayBuffer`, and also `Number`.
+
+The API is optimized for convenience: you can throw any type at it, and it will try to do
+what you want.
+
+Because the Buffer constructor is so powerful, you often see code like this:
+
+```js
+// Convert UTF-8 strings to hex
+function toHex (str) {
+  return new Buffer(str).toString('hex')
+}
+```
+
+***But what happens if `toHex` is called with a `Number` argument?***
+
+### Remote Memory Disclosure
+
+If an attacker can make your program call the `Buffer` constructor with a `Number`
+argument, then they can make it allocate uninitialized memory from the node.js process.
+This could potentially disclose TLS private keys, user data, or database passwords.
+
+When the `Buffer` constructor is passed a `Number` argument, it returns an
+**UNINITIALIZED** block of memory of the specified `size`. When you create a `Buffer` like
+this, you **MUST** overwrite the contents before returning it to the user.
+
+From the [node.js docs](https://nodejs.org/api/buffer.html#buffer_new_buffer_size):
+
+> `new Buffer(size)`
+>
+> - `size` Number
+>
+> The underlying memory for `Buffer` instances created in this way is not initialized.
+> **The contents of a newly created `Buffer` are unknown and could contain sensitive
+> data.** Use `buf.fill(0)` to initialize a Buffer to zeroes.
+
+(Emphasis our own.)
+
+Whenever the programmer intended to create an uninitialized `Buffer` you often see code
+like this:
+
+```js
+var buf = new Buffer(16)
+
+// Immediately overwrite the uninitialized buffer with data from another buffer
+for (var i = 0; i < buf.length; i++) {
+  buf[i] = otherBuf[i]
+}
+```
+
+
+### Would this ever be a problem in real code?
+
+Yes. It's surprisingly common to forget to check the type of your variables in a
+dynamically-typed language like JavaScript.
+
+Usually the consequences of assuming the wrong type is that your program crashes with an
+uncaught exception. But the failure mode for forgetting to check the type of arguments to
+the `Buffer` constructor is more catastrophic.
+
+Here's an example of a vulnerable service that takes a JSON payload and converts it to
+hex:
+
+```js
+// Take a JSON payload {str: "some string"} and convert it to hex
+var server = http.createServer(function (req, res) {
+  var data = ''
+  req.setEncoding('utf8')
+  req.on('data', function (chunk) {
+    data += chunk
+  })
+  req.on('end', function () {
+    var body = JSON.parse(data)
+    res.end(new Buffer(body.str).toString('hex'))
+  })
+})
+
+server.listen(8080)
+```
+
+In this example, an http client just has to send:
+
+```json
+{
+  "str": 1000
+}
+```
+
+and it will get back 1,000 bytes of uninitialized memory from the server.
+
+This is a very serious bug. It's similar in severity to the
+[the Heartbleed bug](http://heartbleed.com/) that allowed disclosure of OpenSSL process
+memory by remote attackers.
+
+
+### Which real-world packages were vulnerable?
+
+#### [`bittorrent-dht`](https://www.npmjs.com/package/bittorrent-dht)
+
+[Mathias Buus](https://github.com/mafintosh) and I
+([Feross Aboukhadijeh](http://feross.org/)) found this issue in one of our own packages,
+[`bittorrent-dht`](https://www.npmjs.com/package/bittorrent-dht). The bug would allow
+anyone on the internet to send a series of messages to a user of `bittorrent-dht` and get
+them to reveal 20 bytes at a time of uninitialized memory from the node.js process.
+
+Here's
+[the commit](https://github.com/feross/bittorrent-dht/commit/6c7da04025d5633699800a99ec3fbadf70ad35b8)
+that fixed it. We released a new fixed version, created a
+[Node Security Project disclosure](https://nodesecurity.io/advisories/68), and deprecated all
+vulnerable versions on npm so users will get a warning to upgrade to a newer version.
+
+#### [`ws`](https://www.npmjs.com/package/ws)
+
+That got us wondering if there were other vulnerable packages. Sure enough, within a short
+period of time, we found the same issue in [`ws`](https://www.npmjs.com/package/ws), the
+most popular WebSocket implementation in node.js.
+
+If certain APIs were called with `Number` parameters instead of `String` or `Buffer` as
+expected, then uninitialized server memory would be disclosed to the remote peer.
+
+These were the vulnerable methods:
+
+```js
+socket.send(number)
+socket.ping(number)
+socket.pong(number)
+```
+
+Here's a vulnerable socket server with some echo functionality:
+
+```js
+server.on('connection', function (socket) {
+  socket.on('message', function (message) {
+    message = JSON.parse(message)
+    if (message.type === 'echo') {
+      socket.send(message.data) // send back the user's message
+    }
+  })
+})
+```
+
+`socket.send(number)` called on the server, will disclose server memory.
+
+Here's [the release](https://github.com/websockets/ws/releases/tag/1.0.1) where the issue
+was fixed, with a more detailed explanation. Props to
+[Arnout Kazemier](https://github.com/3rd-Eden) for the quick fix. Here's the
+[Node Security Project disclosure](https://nodesecurity.io/advisories/67).
+
+
+### What's the solution?
+
+It's important that node.js offers a fast way to get memory otherwise performance-critical
+applications would needlessly get a lot slower.
+
+But we need a better way to *signal our intent* as programmers. **When we want
+uninitialized memory, we should request it explicitly.**
+
+Sensitive functionality should not be packed into a developer-friendly API that loosely
+accepts many different types. This type of API encourages the lazy practice of passing
+variables in without checking the type very carefully.
+
+#### A new API: `Buffer.allocUnsafe(number)`
+
+The functionality of creating buffers with uninitialized memory should be part of another
+API. We propose `Buffer.allocUnsafe(number)`. This way, it's not part of an API that
+frequently gets user input of all sorts of different types passed into it.
+
+```js
+var buf = Buffer.allocUnsafe(16) // careful, uninitialized memory!
+
+// Immediately overwrite the uninitialized buffer with data from another buffer
+for (var i = 0; i < buf.length; i++) {
+  buf[i] = otherBuf[i]
+}
+```
+
+
+### How do we fix node.js core?
+
+We sent [a PR to node.js core](https://github.com/nodejs/node/pull/4514) (merged as
+`semver-major`) which defends against one case:
+
+```js
+var str = 16
+new Buffer(str, 'utf8')
+```
+
+In this situation, it's implied that the programmer intended the first argument to be a
+string, since they passed an encoding as a second argument. Today, node.js will allocate
+uninitialized memory in the case of `new Buffer(number, encoding)`, which is probably not
+what the programmer intended.
+
+But this is only a partial solution, since if the programmer does `new Buffer(variable)`
+(without an `encoding` parameter) there's no way to know what they intended. If `variable`
+is sometimes a number, then uninitialized memory will sometimes be returned.
+
+### What's the real long-term fix?
+
+We could deprecate and remove `new Buffer(number)` and use `Buffer.allocUnsafe(number)` when
+we need uninitialized memory. But that would break 1000s of packages.
+
+~~We believe the best solution is to:~~
+
+~~1. Change `new Buffer(number)` to return safe, zeroed-out memory~~
+
+~~2. Create a new API for creating uninitialized Buffers. We propose: `Buffer.allocUnsafe(number)`~~
+
+#### Update
+
+We now support adding three new APIs:
+
+- `Buffer.from(value)` - convert from any type to a buffer
+- `Buffer.alloc(size)` - create a zero-filled buffer
+- `Buffer.allocUnsafe(size)` - create an uninitialized buffer with given size
+
+This solves the core problem that affected `ws` and `bittorrent-dht` which is
+`Buffer(variable)` getting tricked into taking a number argument.
+
+This way, existing code continues working and the impact on the npm ecosystem will be
+minimal. Over time, npm maintainers can migrate performance-critical code to use
+`Buffer.allocUnsafe(number)` instead of `new Buffer(number)`.
+
+
+### Conclusion
+
+We think there's a serious design issue with the `Buffer` API as it exists today. It
+promotes insecure software by putting high-risk functionality into a convenient API
+with friendly "developer ergonomics".
+
+This wasn't merely a theoretical exercise because we found the issue in some of the
+most popular npm packages.
+
+Fortunately, there's an easy fix that can be applied today. Use `safe-buffer` in place of
+`buffer`.
+
+```js
+var Buffer = require('safe-buffer').Buffer
+```
+
+Eventually, we hope that node.js core can switch to this new, safer behavior. We believe
+the impact on the ecosystem would be minimal since it's not a breaking change.
+Well-maintained, popular packages would be updated to use `Buffer.alloc` quickly, while
+older, insecure packages would magically become safe from this attack vector.
+
+
+## links
+
+- [Node.js PR: buffer: throw if both length and enc are passed](https://github.com/nodejs/node/pull/4514)
+- [Node Security Project disclosure for `ws`](https://nodesecurity.io/advisories/67)
+- [Node Security Project disclosure for`bittorrent-dht`](https://nodesecurity.io/advisories/68)
+
+
+## credit
+
+The original issues in `bittorrent-dht`
+([disclosure](https://nodesecurity.io/advisories/68)) and
+`ws` ([disclosure](https://nodesecurity.io/advisories/67)) were discovered by
+[Mathias Buus](https://github.com/mafintosh) and
+[Feross Aboukhadijeh](http://feross.org/).
+
+Thanks to [Adam Baldwin](https://github.com/evilpacket) for helping disclose these issues
+and for his work running the [Node Security Project](https://nodesecurity.io/).
+
+Thanks to [John Hiesey](https://github.com/jhiesey) for proofreading this README and
+auditing the code.
+
+
+## license
+
+MIT. Copyright (C) [Feross Aboukhadijeh](http://feross.org)

+declare module "safe-buffer" {
+  export class Buffer {
+    length: number
+    write(string: string, offset?: number, length?: number, encoding?: string): number;
+    toString(encoding?: string, start?: number, end?: number): string;
+    toJSON(): { type: 'Buffer', data: any[] };
+    equals(otherBuffer: Buffer): boolean;
+    compare(otherBuffer: Buffer, targetStart?: number, targetEnd?: number, sourceStart?: number, sourceEnd?: number): number;
+    copy(targetBuffer: Buffer, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
+    slice(start?: number, end?: number): Buffer;
+    writeUIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeUIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    readUIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readUIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readUInt8(offset: number, noAssert?: boolean): number;
+    readUInt16LE(offset: number, noAssert?: boolean): number;
+    readUInt16BE(offset: number, noAssert?: boolean): number;
+    readUInt32LE(offset: number, noAssert?: boolean): number;
+    readUInt32BE(offset: number, noAssert?: boolean): number;
+    readInt8(offset: number, noAssert?: boolean): number;
+    readInt16LE(offset: number, noAssert?: boolean): number;
+    readInt16BE(offset: number, noAssert?: boolean): number;
+    readInt32LE(offset: number, noAssert?: boolean): number;
+    readInt32BE(offset: number, noAssert?: boolean): number;
+    readFloatLE(offset: number, noAssert?: boolean): number;
+    readFloatBE(offset: number, noAssert?: boolean): number;
+    readDoubleLE(offset: number, noAssert?: boolean): number;
+    readDoubleBE(offset: number, noAssert?: boolean): number;
+    swap16(): Buffer;
+    swap32(): Buffer;
+    swap64(): Buffer;
+    writeUInt8(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt16LE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt16BE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt32LE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt32BE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt8(value: number, offset: number, noAssert?: boolean): number;
+    writeInt16LE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt16BE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt32LE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt32BE(value: number, offset: number, noAssert?: boolean): number;
+    writeFloatLE(value: number, offset: number, noAssert?: boolean): number;
+    writeFloatBE(value: number, offset: number, noAssert?: boolean): number;
+    writeDoubleLE(value: number, offset: number, noAssert?: boolean): number;
+    writeDoubleBE(value: number, offset: number, noAssert?: boolean): number;
+    fill(value: any, offset?: number, end?: number): this;
+    indexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
+    lastIndexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
+    includes(value: string | number | Buffer, byteOffset?: number, encoding?: string): boolean;
+
+    /**
+     * Allocates a new buffer containing the given {str}.
+     *
+     * @param str String to store in buffer.
+     * @param encoding encoding to use, optional.  Default is 'utf8'
+     */
+     constructor (str: string, encoding?: string);
+    /**
+     * Allocates a new buffer of {size} octets.
+     *
+     * @param size count of octets to allocate.
+     */
+    constructor (size: number);
+    /**
+     * Allocates a new buffer containing the given {array} of octets.
+     *
+     * @param array The octets to store.
+     */
+    constructor (array: Uint8Array);
+    /**
+     * Produces a Buffer backed by the same allocated memory as
+     * the given {ArrayBuffer}.
+     *
+     *
+     * @param arrayBuffer The ArrayBuffer with which to share memory.
+     */
+    constructor (arrayBuffer: ArrayBuffer);
+    /**
+     * Allocates a new buffer containing the given {array} of octets.
+     *
+     * @param array The octets to store.
+     */
+    constructor (array: any[]);
+    /**
+     * Copies the passed {buffer} data onto a new {Buffer} instance.
+     *
+     * @param buffer The buffer to copy.
+     */
+    constructor (buffer: Buffer);
+    prototype: Buffer;
+    /**
+     * Allocates a new Buffer using an {array} of octets.
+     *
+     * @param array
+     */
+    static from(array: any[]): Buffer;
+    /**
+     * When passed a reference to the .buffer property of a TypedArray instance,
+     * the newly created Buffer will share the same allocated memory as the TypedArray.
+     * The optional {byteOffset} and {length} arguments specify a memory range
+     * within the {arrayBuffer} that will be shared by the Buffer.
+     *
+     * @param arrayBuffer The .buffer property of a TypedArray or a new ArrayBuffer()
+     * @param byteOffset
+     * @param length
+     */
+    static from(arrayBuffer: ArrayBuffer, byteOffset?: number, length?: number): Buffer;
+    /**
+     * Copies the passed {buffer} data onto a new Buffer instance.
+     *
+     * @param buffer
+     */
+    static from(buffer: Buffer): Buffer;
+    /**
+     * Creates a new Buffer containing the given JavaScript string {str}.
+     * If provided, the {encoding} parameter identifies the character encoding.
+     * If not provided, {encoding} defaults to 'utf8'.
+     *
+     * @param str
+     */
+    static from(str: string, encoding?: string): Buffer;
+    /**
+     * Returns true if {obj} is a Buffer
+     *
+     * @param obj object to test.
+     */
+    static isBuffer(obj: any): obj is Buffer;
+    /**
+     * Returns true if {encoding} is a valid encoding argument.
+     * Valid string encodings in Node 0.12: 'ascii'|'utf8'|'utf16le'|'ucs2'(alias of 'utf16le')|'base64'|'binary'(deprecated)|'hex'
+     *
+     * @param encoding string to test.
+     */
+    static isEncoding(encoding: string): boolean;
+    /**
+     * Gives the actual byte length of a string. encoding defaults to 'utf8'.
+     * This is not the same as String.prototype.length since that returns the number of characters in a string.
+     *
+     * @param string string to test.
+     * @param encoding encoding used to evaluate (defaults to 'utf8')
+     */
+    static byteLength(string: string, encoding?: string): number;
+    /**
+     * Returns a buffer which is the result of concatenating all the buffers in the list together.
+     *
+     * If the list has no items, or if the totalLength is 0, then it returns a zero-length buffer.
+     * If the list has exactly one item, then the first item of the list is returned.
+     * If the list has more than one item, then a new Buffer is created.
+     *
+     * @param list An array of Buffer objects to concatenate
+     * @param totalLength Total length of the buffers when concatenated.
+     *   If totalLength is not provided, it is read from the buffers in the list. However, this adds an additional loop to the function, so it is faster to provide the length explicitly.
+     */
+    static concat(list: Buffer[], totalLength?: number): Buffer;
+    /**
+     * The same as buf1.compare(buf2).
+     */
+    static compare(buf1: Buffer, buf2: Buffer): number;
+    /**
+     * Allocates a new buffer of {size} octets.
+     *
+     * @param size count of octets to allocate.
+     * @param fill if specified, buffer will be initialized by calling buf.fill(fill).
+     *    If parameter is omitted, buffer will be filled with zeros.
+     * @param encoding encoding used for call to buf.fill while initalizing
+     */
+    static alloc(size: number, fill?: string | Buffer | number, encoding?: string): Buffer;
+    /**
+     * Allocates a new buffer of {size} octets, leaving memory not initialized, so the contents
+     * of the newly created Buffer are unknown and may contain sensitive data.
+     *
+     * @param size count of octets to allocate
+     */
+    static allocUnsafe(size: number): Buffer;
+    /**
+     * Allocates a new non-pooled buffer of {size} octets, leaving memory not initialized, so the contents
+     * of the newly created Buffer are unknown and may contain sensitive data.
+     *
+     * @param size count of octets to allocate
+     */
+    static allocUnsafeSlow(size: number): Buffer;
+  }
+}
\ No newline at end of file

+/*! safe-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */
+/* eslint-disable node/no-deprecated-api */
+var buffer = require('buffer')
+var Buffer = buffer.Buffer
+
+// alternative to using Object.keys for old browsers
+function copyProps (src, dst) {
+  for (var key in src) {
+    dst[key] = src[key]
+  }
+}
+if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
+  module.exports = buffer
+} else {
+  // Copy properties from require('buffer')
+  copyProps(buffer, exports)
+  exports.Buffer = SafeBuffer
+}
+
+function SafeBuffer (arg, encodingOrOffset, length) {
+  return Buffer(arg, encodingOrOffset, length)
+}
+
+SafeBuffer.prototype = Object.create(Buffer.prototype)
+
+// Copy static methods from Buffer
+copyProps(Buffer, SafeBuffer)
+
+SafeBuffer.from = function (arg, encodingOrOffset, length) {
+  if (typeof arg === 'number') {
+    throw new TypeError('Argument must not be a number')
+  }
+  return Buffer(arg, encodingOrOffset, length)
+}
+
+SafeBuffer.alloc = function (size, fill, encoding) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  var buf = Buffer(size)
+  if (fill !== undefined) {
+    if (typeof encoding === 'string') {
+      buf.fill(fill, encoding)
+    } else {
+      buf.fill(fill)
+    }
+  } else {
+    buf.fill(0)
+  }
+  return buf
+}
+
+SafeBuffer.allocUnsafe = function (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  return Buffer(size)
+}
+
+SafeBuffer.allocUnsafeSlow = function (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  return buffer.SlowBuffer(size)
+}

+{
+  "_from": "safe-buffer@~5.2.0",
+  "_id": "safe-buffer@5.2.1",
+  "_inBundle": false,
+  "_integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+  "_location": "/duplexify/safe-buffer",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "safe-buffer@~5.2.0",
+    "name": "safe-buffer",
+    "escapedName": "safe-buffer",
+    "rawSpec": "~5.2.0",
+    "saveSpec": null,
+    "fetchSpec": "~5.2.0"
+  },
+  "_requiredBy": [
+    "/duplexify/string_decoder"
+  ],
+  "_resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+  "_shasum": "1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6",
+  "_spec": "safe-buffer@~5.2.0",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\duplexify\\node_modules\\string_decoder",
+  "author": {
+    "name": "Feross Aboukhadijeh",
+    "email": "feross@feross.org",
+    "url": "https://feross.org"
+  },
+  "bugs": {
+    "url": "https://github.com/feross/safe-buffer/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "Safer Node.js Buffer API",
+  "devDependencies": {
+    "standard": "*",
+    "tape": "^5.0.0"
+  },
+  "funding": [
+    {
+      "type": "github",
+      "url": "https://github.com/sponsors/feross"
+    },
+    {
+      "type": "patreon",
+      "url": "https://www.patreon.com/feross"
+    },
+    {
+      "type": "consulting",
+      "url": "https://feross.org/support"
+    }
+  ],
+  "homepage": "https://github.com/feross/safe-buffer",
+  "keywords": [
+    "buffer",
+    "buffer allocate",
+    "node security",
+    "safe",
+    "safe-buffer",
+    "security",
+    "uninitialized"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "name": "safe-buffer",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/feross/safe-buffer.git"
+  },
+  "scripts": {
+    "test": "standard && tape test/*.js"
+  },
+  "types": "index.d.ts",
+  "version": "5.2.1"
+}

+Node.js is licensed for use as follows:
+
+"""
+Copyright Node.js contributors. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""
+
+This license applies to parts of Node.js originating from the
+https://github.com/joyent/node repository:
+
+"""
+Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""
+

+# string_decoder
+
+***Node-core v8.9.4 string_decoder for userland***
+
+
+[![NPM](https://nodei.co/npm/string_decoder.png?downloads=true&downloadRank=true)](https://nodei.co/npm/string_decoder/)
+[![NPM](https://nodei.co/npm-dl/string_decoder.png?&months=6&height=3)](https://nodei.co/npm/string_decoder/)
+
+
+```bash
+npm install --save string_decoder
+```
+
+***Node-core string_decoder for userland***
+
+This package is a mirror of the string_decoder implementation in Node-core.
+
+Full documentation may be found on the [Node.js website](https://nodejs.org/dist/v8.9.4/docs/api/).
+
+As of version 1.0.0 **string_decoder** uses semantic versioning.
+
+## Previous versions
+
+Previous version numbers match the versions found in Node core, e.g. 0.10.24 matches Node 0.10.24, likewise 0.11.10 matches Node 0.11.10.
+
+## Update
+
+The *build/* directory contains a build script that will scrape the source from the [nodejs/node](https://github.com/nodejs/node) repo given a specific Node version.
+
+## Streams Working Group
+
+`string_decoder` is maintained by the Streams Working Group, which
+oversees the development and maintenance of the Streams API within
+Node.js. The responsibilities of the Streams Working Group include:
+
+* Addressing stream issues on the Node.js issue tracker.
+* Authoring and editing stream documentation within the Node.js project.
+* Reviewing changes to stream subclasses within the Node.js project.
+* Redirecting changes to streams from the Node.js project to this
+  project.
+* Assisting in the implementation of stream providers within Node.js.
+* Recommending versions of `readable-stream` to be included in Node.js.
+* Messaging about the future of streams to give the community advance
+  notice of changes.
+
+See [readable-stream](https://github.com/nodejs/readable-stream) for
+more details.

+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+/*<replacement>*/
+
+var Buffer = require('safe-buffer').Buffer;
+/*</replacement>*/
+
+var isEncoding = Buffer.isEncoding || function (encoding) {
+  encoding = '' + encoding;
+  switch (encoding && encoding.toLowerCase()) {
+    case 'hex':case 'utf8':case 'utf-8':case 'ascii':case 'binary':case 'base64':case 'ucs2':case 'ucs-2':case 'utf16le':case 'utf-16le':case 'raw':
+      return true;
+    default:
+      return false;
+  }
+};
+
+function _normalizeEncoding(enc) {
+  if (!enc) return 'utf8';
+  var retried;
+  while (true) {
+    switch (enc) {
+      case 'utf8':
+      case 'utf-8':
+        return 'utf8';
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return 'utf16le';
+      case 'latin1':
+      case 'binary':
+        return 'latin1';
+      case 'base64':
+      case 'ascii':
+      case 'hex':
+        return enc;
+      default:
+        if (retried) return; // undefined
+        enc = ('' + enc).toLowerCase();
+        retried = true;
+    }
+  }
+};
+
+// Do not cache `Buffer.isEncoding` when checking encoding names as some
+// modules monkey-patch it to support additional encodings
+function normalizeEncoding(enc) {
+  var nenc = _normalizeEncoding(enc);
+  if (typeof nenc !== 'string' && (Buffer.isEncoding === isEncoding || !isEncoding(enc))) throw new Error('Unknown encoding: ' + enc);
+  return nenc || enc;
+}
+
+// StringDecoder provides an interface for efficiently splitting a series of
+// buffers into a series of JS strings without breaking apart multi-byte
+// characters.
+exports.StringDecoder = StringDecoder;
+function StringDecoder(encoding) {
+  this.encoding = normalizeEncoding(encoding);
+  var nb;
+  switch (this.encoding) {
+    case 'utf16le':
+      this.text = utf16Text;
+      this.end = utf16End;
+      nb = 4;
+      break;
+    case 'utf8':
+      this.fillLast = utf8FillLast;
+      nb = 4;
+      break;
+    case 'base64':
+      this.text = base64Text;
+      this.end = base64End;
+      nb = 3;
+      break;
+    default:
+      this.write = simpleWrite;
+      this.end = simpleEnd;
+      return;
+  }
+  this.lastNeed = 0;
+  this.lastTotal = 0;
+  this.lastChar = Buffer.allocUnsafe(nb);
+}
+
+StringDecoder.prototype.write = function (buf) {
+  if (buf.length === 0) return '';
+  var r;
+  var i;
+  if (this.lastNeed) {
+    r = this.fillLast(buf);
+    if (r === undefined) return '';
+    i = this.lastNeed;
+    this.lastNeed = 0;
+  } else {
+    i = 0;
+  }
+  if (i < buf.length) return r ? r + this.text(buf, i) : this.text(buf, i);
+  return r || '';
+};
+
+StringDecoder.prototype.end = utf8End;
+
+// Returns only complete characters in a Buffer
+StringDecoder.prototype.text = utf8Text;
+
+// Attempts to complete a partial non-UTF-8 character using bytes from a Buffer
+StringDecoder.prototype.fillLast = function (buf) {
+  if (this.lastNeed <= buf.length) {
+    buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, this.lastNeed);
+    return this.lastChar.toString(this.encoding, 0, this.lastTotal);
+  }
+  buf.copy(this.lastChar, this.lastTotal - this.lastNeed, 0, buf.length);
+  this.lastNeed -= buf.length;
+};
+
+// Checks the type of a UTF-8 byte, whether it's ASCII, a leading byte, or a
+// continuation byte. If an invalid byte is detected, -2 is returned.
+function utf8CheckByte(byte) {
+  if (byte <= 0x7F) return 0;else if (byte >> 5 === 0x06) return 2;else if (byte >> 4 === 0x0E) return 3;else if (byte >> 3 === 0x1E) return 4;
+  return byte >> 6 === 0x02 ? -1 : -2;
+}
+
+// Checks at most 3 bytes at the end of a Buffer in order to detect an
+// incomplete multi-byte UTF-8 character. The total number of bytes (2, 3, or 4)
+// needed to complete the UTF-8 character (if applicable) are returned.
+function utf8CheckIncomplete(self, buf, i) {
+  var j = buf.length - 1;
+  if (j < i) return 0;
+  var nb = utf8CheckByte(buf[j]);
+  if (nb >= 0) {
+    if (nb > 0) self.lastNeed = nb - 1;
+    return nb;
+  }
+  if (--j < i || nb === -2) return 0;
+  nb = utf8CheckByte(buf[j]);
+  if (nb >= 0) {
+    if (nb > 0) self.lastNeed = nb - 2;
+    return nb;
+  }
+  if (--j < i || nb === -2) return 0;
+  nb = utf8CheckByte(buf[j]);
+  if (nb >= 0) {
+    if (nb > 0) {
+      if (nb === 2) nb = 0;else self.lastNeed = nb - 3;
+    }
+    return nb;
+  }
+  return 0;
+}
+
+// Validates as many continuation bytes for a multi-byte UTF-8 character as
+// needed or are available. If we see a non-continuation byte where we expect
+// one, we "replace" the validated continuation bytes we've seen so far with
+// a single UTF-8 replacement character ('\ufffd'), to match v8's UTF-8 decoding
+// behavior. The continuation byte check is included three times in the case
+// where all of the continuation bytes for a character exist in the same buffer.
+// It is also done this way as a slight performance increase instead of using a
+// loop.
+function utf8CheckExtraBytes(self, buf, p) {
+  if ((buf[0] & 0xC0) !== 0x80) {
+    self.lastNeed = 0;
+    return '\ufffd';
+  }
+  if (self.lastNeed > 1 && buf.length > 1) {
+    if ((buf[1] & 0xC0) !== 0x80) {
+      self.lastNeed = 1;
+      return '\ufffd';
+    }
+    if (self.lastNeed > 2 && buf.length > 2) {
+      if ((buf[2] & 0xC0) !== 0x80) {
+        self.lastNeed = 2;
+        return '\ufffd';
+      }
+    }
+  }
+}
+
+// Attempts to complete a multi-byte UTF-8 character using bytes from a Buffer.
+function utf8FillLast(buf) {
+  var p = this.lastTotal - this.lastNeed;
+  var r = utf8CheckExtraBytes(this, buf, p);
+  if (r !== undefined) return r;
+  if (this.lastNeed <= buf.length) {
+    buf.copy(this.lastChar, p, 0, this.lastNeed);
+    return this.lastChar.toString(this.encoding, 0, this.lastTotal);
+  }
+  buf.copy(this.lastChar, p, 0, buf.length);
+  this.lastNeed -= buf.length;
+}
+
+// Returns all complete UTF-8 characters in a Buffer. If the Buffer ended on a
+// partial character, the character's bytes are buffered until the required
+// number of bytes are available.
+function utf8Text(buf, i) {
+  var total = utf8CheckIncomplete(this, buf, i);
+  if (!this.lastNeed) return buf.toString('utf8', i);
+  this.lastTotal = total;
+  var end = buf.length - (total - this.lastNeed);
+  buf.copy(this.lastChar, 0, end);
+  return buf.toString('utf8', i, end);
+}
+
+// For UTF-8, a replacement character is added when ending on a partial
+// character.
+function utf8End(buf) {
+  var r = buf && buf.length ? this.write(buf) : '';
+  if (this.lastNeed) return r + '\ufffd';
+  return r;
+}
+
+// UTF-16LE typically needs two bytes per character, but even if we have an even
+// number of bytes available, we need to check if we end on a leading/high
+// surrogate. In that case, we need to wait for the next two bytes in order to
+// decode the last character properly.
+function utf16Text(buf, i) {
+  if ((buf.length - i) % 2 === 0) {
+    var r = buf.toString('utf16le', i);
+    if (r) {
+      var c = r.charCodeAt(r.length - 1);
+      if (c >= 0xD800 && c <= 0xDBFF) {
+        this.lastNeed = 2;
+        this.lastTotal = 4;
+        this.lastChar[0] = buf[buf.length - 2];
+        this.lastChar[1] = buf[buf.length - 1];
+        return r.slice(0, -1);
+      }
+    }
+    return r;
+  }
+  this.lastNeed = 1;
+  this.lastTotal = 2;
+  this.lastChar[0] = buf[buf.length - 1];
+  return buf.toString('utf16le', i, buf.length - 1);
+}
+
+// For UTF-16LE we do not explicitly append special replacement characters if we
+// end on a partial character, we simply let v8 handle that.
+function utf16End(buf) {
+  var r = buf && buf.length ? this.write(buf) : '';
+  if (this.lastNeed) {
+    var end = this.lastTotal - this.lastNeed;
+    return r + this.lastChar.toString('utf16le', 0, end);
+  }
+  return r;
+}
+
+function base64Text(buf, i) {
+  var n = (buf.length - i) % 3;
+  if (n === 0) return buf.toString('base64', i);
+  this.lastNeed = 3 - n;
+  this.lastTotal = 3;
+  if (n === 1) {
+    this.lastChar[0] = buf[buf.length - 1];
+  } else {
+    this.lastChar[0] = buf[buf.length - 2];
+    this.lastChar[1] = buf[buf.length - 1];
+  }
+  return buf.toString('base64', i, buf.length - n);
+}
+
+function base64End(buf) {
+  var r = buf && buf.length ? this.write(buf) : '';
+  if (this.lastNeed) return r + this.lastChar.toString('base64', 0, 3 - this.lastNeed);
+  return r;
+}
+
+// Pass bytes on through for single-byte encodings (e.g. ascii, latin1, hex)
+function simpleWrite(buf) {
+  return buf.toString(this.encoding);
+}
+
+function simpleEnd(buf) {
+  return buf && buf.length ? this.write(buf) : '';
+}
\ No newline at end of file

+{
+  "_from": "string_decoder@^1.1.1",
+  "_id": "string_decoder@1.3.0",
+  "_inBundle": false,
+  "_integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+  "_location": "/duplexify/string_decoder",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "string_decoder@^1.1.1",
+    "name": "string_decoder",
+    "escapedName": "string_decoder",
+    "rawSpec": "^1.1.1",
+    "saveSpec": null,
+    "fetchSpec": "^1.1.1"
+  },
+  "_requiredBy": [
+    "/duplexify/readable-stream"
+  ],
+  "_resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+  "_shasum": "42f114594a46cf1a8e30b0a84f56c78c3edac21e",
+  "_spec": "string_decoder@^1.1.1",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\duplexify\\node_modules\\readable-stream",
+  "bugs": {
+    "url": "https://github.com/nodejs/string_decoder/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "safe-buffer": "~5.2.0"
+  },
+  "deprecated": false,
+  "description": "The string_decoder module from Node core",
+  "devDependencies": {
+    "babel-polyfill": "^6.23.0",
+    "core-util-is": "^1.0.2",
+    "inherits": "^2.0.3",
+    "tap": "~0.4.8"
+  },
+  "files": [
+    "lib"
+  ],
+  "homepage": "https://github.com/nodejs/string_decoder",
+  "keywords": [
+    "string",
+    "decoder",
+    "browser",
+    "browserify"
+  ],
+  "license": "MIT",
+  "main": "lib/string_decoder.js",
+  "name": "string_decoder",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/nodejs/string_decoder.git"
+  },
+  "scripts": {
+    "ci": "tap test/parallel/*.js test/ours/*.js --tap | tee test.tap && node test/verify-dependencies.js",
+    "test": "tap test/parallel/*.js && node test/verify-dependencies"
+  },
+  "version": "1.3.0"
+}

@@ -4,7 +4,10 @@
   "_inBundle": false,
   "_inBundle": false,
   "_integrity": "sha512-DY3xVEmVHTv1wSzKNbwoU6nVjzI369Y6sPoqfYr0/xlx3IdX2n94xIszTcjPO8W8ZIv0Wb0PXNcjuZyT4wiICA==",
   "_integrity": "sha512-DY3xVEmVHTv1wSzKNbwoU6nVjzI369Y6sPoqfYr0/xlx3IdX2n94xIszTcjPO8W8ZIv0Wb0PXNcjuZyT4wiICA==",
   "_location": "/duplexify",
   "_location": "/duplexify",
-  "_phantomChildren": {},
+  "_phantomChildren": {
+    "inherits": "2.0.4",
+    "util-deprecate": "1.0.2"
+  },
   "_requested": {
   "_requested": {
     "type": "range",
     "type": "range",
     "registry": true,
     "registry": true,

+# Security holding package
+
+This package name is not currently in use, but was formerly occupied
+by another package. To avoid malicious use, npm is hanging on to the
+package name, but loosely, and we'll probably give it to you if you
+want it.
+
+You may adopt this package by contacting support@npmjs.com and
+requesting the name.

+{
+  "_from": "fs",
+  "_id": "fs@0.0.1-security",
+  "_inBundle": false,
+  "_integrity": "sha1-invTcYa23d84E/I4WLV+yq9eQdQ=",
+  "_location": "/fs",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "tag",
+    "registry": true,
+    "raw": "fs",
+    "name": "fs",
+    "escapedName": "fs",
+    "rawSpec": "",
+    "saveSpec": null,
+    "fetchSpec": "latest"
+  },
+  "_requiredBy": [
+    "#USER",
+    "/"
+  ],
+  "_resolved": "https://registry.npmjs.org/fs/-/fs-0.0.1-security.tgz",
+  "_shasum": "8a7bd37186b6dddf3813f23858b57ecaaf5e41d4",
+  "_spec": "fs",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding",
+  "author": "",
+  "bugs": {
+    "url": "https://github.com/npm/security-holder/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "This package name is not currently in use, but was formerly occupied by another package. To avoid malicious use, npm is hanging on to the package name, but loosely, and we'll probably give it to you if you want it.",
+  "homepage": "https://github.com/npm/security-holder#readme",
+  "keywords": [],
+  "license": "ISC",
+  "main": "index.js",
+  "name": "fs",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/npm/security-holder.git"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "version": "0.0.1-security"
+}

 # Changelog
 # Changelog
 
 
+## [4.3.0](https://www.github.com/googleapis/gaxios/compare/v4.2.1...v4.3.0) (2021-05-26)
+
+
+### Features
+
+* allow cert and key to be provided for mTLS ([#399](https://www.github.com/googleapis/gaxios/issues/399)) ([d74ab91](https://www.github.com/googleapis/gaxios/commit/d74ab9125d581e46d655614729872e79317c740d))
+
 ### [4.2.1](https://www.github.com/googleapis/gaxios/compare/v4.2.0...v4.2.1) (2021-04-20)
 ### [4.2.1](https://www.github.com/googleapis/gaxios/compare/v4.2.0...v4.2.1) (2021-04-20)
 
 
 
 

@@ -67,6 +67,8 @@ export interface GaxiosOptions {
      * in node.js otherwise.
      * in node.js otherwise.
      */
      */
     fetchImplementation?: FetchImplementation;
     fetchImplementation?: FetchImplementation;
+    cert?: string;
+    key?: string;
 }
 }
 /**
 /**
  * Configuration for the Gaxios `request` method.
  * Configuration for the Gaxios `request` method.

+/// <reference types="node" />
+import { Agent } from 'http';
+import { URL } from 'url';
 import { GaxiosOptions, GaxiosPromise } from './common';
 import { GaxiosOptions, GaxiosPromise } from './common';
 export declare class Gaxios {
 export declare class Gaxios {
-    private agentCache;
+    protected agentCache: Map<string, Agent | ((parsedUrl: URL) => Agent)>;
     /**
     /**
      * Default HTTP options that will be used for every HTTP request.
      * Default HTTP options that will be used for every HTTP request.
      */
      */
@@ -20,7 +23,7 @@ export declare class Gaxios {
      * Internal, retryable version of the `request` method.
      * Internal, retryable version of the `request` method.
      * @param opts Set of HTTP options that will be used for this HTTP request.
      * @param opts Set of HTTP options that will be used for this HTTP request.
      */
      */
-    private _request;
+    protected _request<T = any>(opts?: GaxiosOptions): GaxiosPromise<T>;
     private getResponseData;
     private getResponseData;
     /**
     /**
      * Validates the options, and merges them with defaults.
      * Validates the options, and merges them with defaults.

@@ -17,9 +17,11 @@ var __importDefault = (this && this.__importDefault) || function (mod) {
 Object.defineProperty(exports, "__esModule", { value: true });
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.Gaxios = void 0;
 exports.Gaxios = void 0;
 const extend_1 = __importDefault(require("extend"));
 const extend_1 = __importDefault(require("extend"));
+const https_1 = require("https");
 const node_fetch_1 = __importDefault(require("node-fetch"));
 const node_fetch_1 = __importDefault(require("node-fetch"));
 const querystring_1 = __importDefault(require("querystring"));
 const querystring_1 = __importDefault(require("querystring"));
 const is_stream_1 = __importDefault(require("is-stream"));
 const is_stream_1 = __importDefault(require("is-stream"));
+const url_1 = require("url");
 const common_1 = require("./common");
 const common_1 = require("./common");
 const retry_1 = require("./retry");
 const retry_1 = require("./retry");
 /* eslint-disable @typescript-eslint/no-explicit-any */
 /* eslint-disable @typescript-eslint/no-explicit-any */
@@ -64,7 +66,7 @@ function skipProxy(url) {
         return false;
         return false;
     }
     }
     const noProxyUrls = noProxyEnv.split(',');
     const noProxyUrls = noProxyEnv.split(',');
-    const parsedURL = new URL(url);
+    const parsedURL = new url_1.URL(url);
     return !!noProxyUrls.find(url => {
     return !!noProxyUrls.find(url => {
         if (url.startsWith('*.') || url.startsWith('.')) {
         if (url.startsWith('*.') || url.startsWith('.')) {
             url = url.replace('*', '');
             url = url.replace('*', '');
@@ -133,7 +135,8 @@ class Gaxios {
             err.config = opts;
             err.config = opts;
             const { shouldRetry, config } = await retry_1.getRetryConfig(e);
             const { shouldRetry, config } = await retry_1.getRetryConfig(e);
             if (shouldRetry && config) {
             if (shouldRetry && config) {
-                err.config.retryConfig.currentRetryAttempt = config.retryConfig.currentRetryAttempt;
+                err.config.retryConfig.currentRetryAttempt =
+                    config.retryConfig.currentRetryAttempt;
                 return this._request(err.config);
                 return this._request(err.config);
             }
             }
             throw err;
             throw err;
@@ -232,10 +235,36 @@ class Gaxios {
                 opts.agent = this.agentCache.get(proxy);
                 opts.agent = this.agentCache.get(proxy);
             }
             }
             else {
             else {
-                opts.agent = new HttpsProxyAgent(proxy);
+                // Proxy is being used in conjunction with mTLS.
+                if (opts.cert && opts.key) {
+                    const parsedURL = new url_1.URL(proxy);
+                    opts.agent = new HttpsProxyAgent({
+                        port: parsedURL.port,
+                        host: parsedURL.host,
+                        protocol: parsedURL.protocol,
+                        cert: opts.cert,
+                        key: opts.key,
+                    });
+                }
+                else {
+                    opts.agent = new HttpsProxyAgent(proxy);
+                }
                 this.agentCache.set(proxy, opts.agent);
                 this.agentCache.set(proxy, opts.agent);
             }
             }
         }
         }
+        else if (opts.cert && opts.key) {
+            // Configure client for mTLS:
+            if (this.agentCache.has(opts.key)) {
+                opts.agent = this.agentCache.get(opts.key);
+            }
+            else {
+                opts.agent = new https_1.Agent({
+                    cert: opts.cert,
+                    key: opts.key,
+                });
+                this.agentCache.set(opts.key, opts.agent);
+            }
+        }
         return opts;
         return opts;
     }
     }
     /**
     /**

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\ No newline at end of file
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 {
 {
   "_from": "gaxios@^4.0.0",
   "_from": "gaxios@^4.0.0",
-  "_id": "gaxios@4.2.1",
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   "_inBundle": false,
   "_inBundle": false,
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   "_location": "/gaxios",
   "_phantomChildren": {},
   "_phantomChildren": {},
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@@ -20,8 +20,8 @@
     "/google-auth-library",
     "/google-auth-library",
     "/gtoken"
     "/gtoken"
   ],
   ],
-  "_resolved": "https://registry.npmjs.org/gaxios/-/gaxios-4.2.1.tgz",
-  "_shasum": "7463d3a06f56ddbffa745a242d2b4933b88b2ada",
+  "_resolved": "https://registry.npmjs.org/gaxios/-/gaxios-4.3.0.tgz",
+  "_shasum": "ad4814d89061f85b97ef52aed888c5dbec32f774",
   "_spec": "gaxios@^4.0.0",
   "_spec": "gaxios@^4.0.0",
   "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\google-auth-library",
   "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\google-auth-library",
   "author": {
   "author": {
@@ -52,11 +52,13 @@
     "@types/multiparty": "0.0.32",
     "@types/multiparty": "0.0.32",
     "@types/mv": "^2.1.0",
     "@types/mv": "^2.1.0",
     "@types/ncp": "^2.0.1",
     "@types/ncp": "^2.0.1",
-    "@types/node": "^11.9.5",
+    "@types/node": "^14.0.0",
     "@types/node-fetch": "^2.5.7",
     "@types/node-fetch": "^2.5.7",
     "@types/sinon": "^10.0.0",
     "@types/sinon": "^10.0.0",
     "@types/tmp": "0.2.0",
     "@types/tmp": "0.2.0",
     "@types/uuid": "^8.0.0",
     "@types/uuid": "^8.0.0",
+    "assert": "^2.0.0",
+    "browserify": "^17.0.0",
     "c8": "^7.0.0",
     "c8": "^7.0.0",
     "cors": "^2.8.5",
     "cors": "^2.8.5",
     "execa": "^5.0.0",
     "execa": "^5.0.0",
@@ -79,12 +81,13 @@
     "nock": "^13.0.0",
     "nock": "^13.0.0",
     "null-loader": "^4.0.0",
     "null-loader": "^4.0.0",
     "puppeteer": "^8.0.0",
     "puppeteer": "^8.0.0",
-    "sinon": "^10.0.0",
+    "sinon": "^11.0.0",
+    "stream-browserify": "^3.0.0",
     "tmp": "0.2.1",
     "tmp": "0.2.1",
     "ts-loader": "^8.0.0",
     "ts-loader": "^8.0.0",
     "typescript": "^3.8.3",
     "typescript": "^3.8.3",
     "uuid": "^8.0.0",
     "uuid": "^8.0.0",
-    "webpack": "^5.30.0",
+    "webpack": "^5.35.0",
     "webpack-cli": "^4.0.0"
     "webpack-cli": "^4.0.0"
   },
   },
   "engines": {
   "engines": {
@@ -127,5 +130,5 @@
     "webpack": "webpack"
     "webpack": "webpack"
   },
   },
   "types": "build/src/index.d.ts",
   "types": "build/src/index.d.ts",
-  "version": "4.2.1"
+  "version": "4.3.0"
 }
 }

@@ -4,6 +4,14 @@
 
 
 [1]: https://www.npmjs.com/package/google-auth-library-nodejs?activeTab=versions
 [1]: https://www.npmjs.com/package/google-auth-library-nodejs?activeTab=versions
 
 
+## [7.1.0](https://www.github.com/googleapis/google-auth-library-nodejs/compare/v7.0.4...v7.1.0) (2021-05-21)
+
+
+### Features
+
+* add `gcf-owl-bot[bot]` to `ignoreAuthors` ([#1174](https://www.github.com/googleapis/google-auth-library-nodejs/issues/1174)) ([f377adc](https://www.github.com/googleapis/google-auth-library-nodejs/commit/f377adc01ca16687bb905aa14f6c62a23e90aaa9))
+* add detection for Cloud Run ([#1177](https://www.github.com/googleapis/google-auth-library-nodejs/issues/1177)) ([4512363](https://www.github.com/googleapis/google-auth-library-nodejs/commit/4512363cf712dff5f178af0e7022c258775dfec7))
+
 ### [7.0.4](https://www.github.com/googleapis/google-auth-library-nodejs/compare/v7.0.3...v7.0.4) (2021-04-06)
 ### [7.0.4](https://www.github.com/googleapis/google-auth-library-nodejs/compare/v7.0.3...v7.0.4) (2021-04-06)
 
 
 
 

@@ -3,6 +3,7 @@ export declare enum GCPEnv {
     KUBERNETES_ENGINE = "KUBERNETES_ENGINE",
     KUBERNETES_ENGINE = "KUBERNETES_ENGINE",
     CLOUD_FUNCTIONS = "CLOUD_FUNCTIONS",
     CLOUD_FUNCTIONS = "CLOUD_FUNCTIONS",
     COMPUTE_ENGINE = "COMPUTE_ENGINE",
     COMPUTE_ENGINE = "COMPUTE_ENGINE",
+    CLOUD_RUN = "CLOUD_RUN",
     NONE = "NONE"
     NONE = "NONE"
 }
 }
 export declare function clear(): void;
 export declare function clear(): void;

@@ -21,6 +21,7 @@ var GCPEnv;
     GCPEnv["KUBERNETES_ENGINE"] = "KUBERNETES_ENGINE";
     GCPEnv["KUBERNETES_ENGINE"] = "KUBERNETES_ENGINE";
     GCPEnv["CLOUD_FUNCTIONS"] = "CLOUD_FUNCTIONS";
     GCPEnv["CLOUD_FUNCTIONS"] = "CLOUD_FUNCTIONS";
     GCPEnv["COMPUTE_ENGINE"] = "COMPUTE_ENGINE";
     GCPEnv["COMPUTE_ENGINE"] = "COMPUTE_ENGINE";
+    GCPEnv["CLOUD_RUN"] = "CLOUD_RUN";
     GCPEnv["NONE"] = "NONE";
     GCPEnv["NONE"] = "NONE";
 })(GCPEnv = exports.GCPEnv || (exports.GCPEnv = {}));
 })(GCPEnv = exports.GCPEnv || (exports.GCPEnv = {}));
 let envPromise;
 let envPromise;
@@ -48,6 +49,9 @@ async function getEnvMemoized() {
         if (await isKubernetesEngine()) {
         if (await isKubernetesEngine()) {
             env = GCPEnv.KUBERNETES_ENGINE;
             env = GCPEnv.KUBERNETES_ENGINE;
         }
         }
+        else if (isCloudRun()) {
+            env = GCPEnv.CLOUD_RUN;
+        }
         else {
         else {
             env = GCPEnv.COMPUTE_ENGINE;
             env = GCPEnv.COMPUTE_ENGINE;
         }
         }
@@ -63,6 +67,14 @@ function isAppEngine() {
 function isCloudFunction() {
 function isCloudFunction() {
     return !!(process.env.FUNCTION_NAME || process.env.FUNCTION_TARGET);
     return !!(process.env.FUNCTION_NAME || process.env.FUNCTION_TARGET);
 }
 }
+/**
+ * This check only verifies that the environment is running knative.
+ * This must be run *after* checking for Kubernetes, otherwise it will
+ * return a false positive.
+ */
+function isCloudRun() {
+    return !!process.env.K_CONFIGURATION;
+}
 async function isKubernetesEngine() {
 async function isKubernetesEngine() {
     try {
     try {
         await gcpMetadata.instance('attributes/cluster-name');
         await gcpMetadata.instance('attributes/cluster-name');

@@ -132,7 +132,8 @@ class GoogleAuth {
         // Check for the existence of a local environment variable pointing to the
         // Check for the existence of a local environment variable pointing to the
         // location of the credential file. This is typically used in local
         // location of the credential file. This is typically used in local
         // developer scenarios.
         // developer scenarios.
-        credential = await this._tryGetApplicationCredentialsFromEnvironmentVariable(options);
+        credential =
+            await this._tryGetApplicationCredentialsFromEnvironmentVariable(options);
         if (credential) {
         if (credential) {
             if (credential instanceof jwtclient_1.JWT) {
             if (credential instanceof jwtclient_1.JWT) {
                 credential.defaultScopes = this.defaultScopes;
                 credential.defaultScopes = this.defaultScopes;
@@ -414,8 +415,7 @@ class GoogleAuth {
             child_process_1.exec('gcloud config config-helper --format json', (err, stdout) => {
             child_process_1.exec('gcloud config config-helper --format json', (err, stdout) => {
                 if (!err && stdout) {
                 if (!err && stdout) {
                     try {
                     try {
-                        const projectId = JSON.parse(stdout).configuration.properties.core
-                            .project;
+                        const projectId = JSON.parse(stdout).configuration.properties.core.project;
                         resolve(projectId);
                         resolve(projectId);
                         return;
                         return;
                     }
                     }

 {
 {
   "_from": "google-auth-library@^7.0.2",
   "_from": "google-auth-library@^7.0.2",
-  "_id": "google-auth-library@7.0.4",
+  "_id": "google-auth-library@7.1.0",
   "_inBundle": false,
   "_inBundle": false,
-  "_integrity": "sha512-o8irYyeijEiecTXeoEe8UKNEzV1X+uhR4b2oNdapDMZixypp0J+eHimGOyx5Joa3UAeokGngdtDLXtq9vDqG2Q==",
+  "_integrity": "sha512-X+gbkGjnLN3HUZP2W3KBREuA603BXd80ITvL0PeS0QpyDNYz/u0pIZ7aRuGnrSuUc0grk/qxEgtVTFt1ogbP+A==",
   "_location": "/google-auth-library",
   "_location": "/google-auth-library",
   "_phantomChildren": {},
   "_phantomChildren": {},
   "_requested": {
   "_requested": {
@@ -19,8 +19,8 @@
     "/@google-cloud/common",
     "/@google-cloud/common",
     "/google-gax"
     "/google-gax"
   ],
   ],
-  "_resolved": "https://registry.npmjs.org/google-auth-library/-/google-auth-library-7.0.4.tgz",
-  "_shasum": "610cb010de71435dca47dfbe8dc7fbff23055d2c",
+  "_resolved": "https://registry.npmjs.org/google-auth-library/-/google-auth-library-7.1.0.tgz",
+  "_shasum": "d83b6bed1d170e30649e15e9b5b17cb375e88919",
   "_spec": "google-auth-library@^7.0.2",
   "_spec": "google-auth-library@^7.0.2",
   "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\@google-cloud\\common",
   "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\@google-cloud\\common",
   "author": {
   "author": {
@@ -55,7 +55,7 @@
     "@types/mv": "^2.1.0",
     "@types/mv": "^2.1.0",
     "@types/ncp": "^2.0.1",
     "@types/ncp": "^2.0.1",
     "@types/node": "^10.5.1",
     "@types/node": "^10.5.1",
-    "@types/sinon": "^9.0.0",
+    "@types/sinon": "^10.0.0",
     "@types/tmp": "^0.2.0",
     "@types/tmp": "^0.2.0",
     "assert-rejects": "^1.0.0",
     "assert-rejects": "^1.0.0",
     "c8": "^7.0.0",
     "c8": "^7.0.0",
@@ -132,5 +132,5 @@
     "webpack": "webpack"
     "webpack": "webpack"
   },
   },
   "types": "./build/src/index.d.ts",
   "types": "./build/src/index.d.ts",
-  "version": "7.0.4"
+  "version": "7.1.0"
 }
 }

@@ -4,6 +4,22 @@
 
 
 [1]: https://www.npmjs.com/package/gax-nodejs?activeTab=versions
 [1]: https://www.npmjs.com/package/gax-nodejs?activeTab=versions
 
 
+### [2.14.1](https://www.github.com/googleapis/gax-nodejs/compare/v2.14.0...v2.14.1) (2021-05-27)
+
+
+### Bug Fixes
+
+* rest transport enum value display incorectly ([#1015](https://www.github.com/googleapis/gax-nodejs/issues/1015)) ([055387b](https://www.github.com/googleapis/gax-nodejs/commit/055387b1f497f6a4132f228d82d95d9a6f6c53f7))
+
+## [2.14.0](https://www.github.com/googleapis/gax-nodejs/compare/v2.13.0...v2.14.0) (2021-05-24)
+
+
+### Features
+
+* add `gcf-owl-bot[bot]` to `ignoreAuthors` ([#1007](https://www.github.com/googleapis/gax-nodejs/issues/1007)) ([4fac451](https://www.github.com/googleapis/gax-nodejs/commit/4fac45186cea40c0945598636faee5d9d7ba1103))
+* add type parameter to warn function ([#1009](https://www.github.com/googleapis/gax-nodejs/issues/1009)) ([fef2e7c](https://www.github.com/googleapis/gax-nodejs/commit/fef2e7c7d81d2187b05542862386c2391e7edd74))
+* update rest version for metrics ([#1005](https://www.github.com/googleapis/gax-nodejs/issues/1005)) ([233d6a7](https://www.github.com/googleapis/gax-nodejs/commit/233d6a7dbed5655652a0b5100773cc7837e59a5f))
+
 ## [2.13.0](https://www.github.com/googleapis/gax-nodejs/compare/v2.12.0...v2.13.0) (2021-05-12)
 ## [2.13.0](https://www.github.com/googleapis/gax-nodejs/compare/v2.12.0...v2.13.0) (2021-05-12)
 
 
 
 

@@ -92,7 +92,7 @@ class GrpcClient {
                     new google_auth_library_1.GoogleAuth(options);
                     new google_auth_library_1.GoogleAuth(options);
         }
         }
         this.fallback = options.fallback !== 'rest' ? 'proto' : 'rest';
         this.fallback = options.fallback !== 'rest' ? 'proto' : 'rest';
-        this.grpcVersion = 'fallback'; // won't be used anywhere but we need it to exist in the class
+        this.grpcVersion = require('../../package.json').version;
     }
     }
     /**
     /**
      * In rare cases users might need to deallocate all memory consumed by loaded protos.
      * In rare cases users might need to deallocate all memory consumed by loaded protos.
@@ -224,7 +224,18 @@ class GrpcClient {
         const newServiceStub = service.create(serviceClientImpl, false, false);
         const newServiceStub = service.create(serviceClientImpl, false, false);
         for (const methodName of methods) {
         for (const methodName of methods) {
             newServiceStub[methodName] = (req, options, metadata, callback) => {
             newServiceStub[methodName] = (req, options, metadata, callback) => {
-                const [method, requestData, serviceCallback] = serviceStub[methodName].apply(serviceStub, [req, callback]);
+                const [method, requestData, serviceCallback] = serviceStub[methodName].apply(serviceStub, [
+                    req,
+                    (err, response) => {
+                        if (!err) {
+                            // converts a protobuf message instance to a plain JavaScript object with enum conversion options specified
+                            response = method.resolvedResponseType.toObject(response, {
+                                enums: String,
+                            });
+                        }
+                        callback(err, response);
+                    },
+                ]);
                 // eslint-disable-next-line @typescript-eslint/no-explicit-any
                 // eslint-disable-next-line @typescript-eslint/no-explicit-any
                 let cancelController, cancelSignal;
                 let cancelController, cancelSignal;
                 if (isbrowser_1.isBrowser() || typeof AbortController !== 'undefined') {
                 if (isbrowser_1.isBrowser() || typeof AbortController !== 'undefined') {

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\ No newline at end of file

@@ -50,3 +50,4 @@ export { fallback };
 export { APICallback, GRPCCallResult, ServerStreamingCall, ClientStreamingCall, BiDiStreamingCall, UnaryCall, GRPCCall, GaxCall, CancellableStream, } from './apitypes';
 export { APICallback, GRPCCallResult, ServerStreamingCall, ClientStreamingCall, BiDiStreamingCall, UnaryCall, GRPCCall, GaxCall, CancellableStream, } from './apitypes';
 export { ClientOptions, Descriptors, Callback, LROperation, PaginationCallback, PaginationResponse, } from './clientInterface';
 export { ClientOptions, Descriptors, Callback, LROperation, PaginationCallback, PaginationResponse, } from './clientInterface';
 export { ServiceError, ChannelCredentials } from '@grpc/grpc-js';
 export { ServiceError, ChannelCredentials } from '@grpc/grpc-js';
+export { warn } from './warnings';

@@ -82,4 +82,6 @@ const fallback = require("./fallback");
 exports.fallback = fallback;
 exports.fallback = fallback;
 var grpc_js_1 = require("@grpc/grpc-js");
 var grpc_js_1 = require("@grpc/grpc-js");
 Object.defineProperty(exports, "ChannelCredentials", { enumerable: true, get: function () { return grpc_js_1.ChannelCredentials; } });
 Object.defineProperty(exports, "ChannelCredentials", { enumerable: true, get: function () { return grpc_js_1.ChannelCredentials; } });
+var warnings_1 = require("./warnings");
+Object.defineProperty(exports, "warn", { enumerable: true, get: function () { return warnings_1.warn; } });
 //# sourceMappingURL=index.js.map
 //# sourceMappingURL=index.js.map
\ No newline at end of file

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\ No newline at end of file
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../../src/index.ts"],"names":[],"mappings":";AAAA;;;;;;;;;;;;;;GAcG;;;AAEH,sCAAsC;AAQ9B,oBAAI;AAPZ,iCAAqD;AACrD,mDAAmD;AAsDpB,8BAAS;AArDxC,yDAAyD;AAqD5C,4CAAgB;AApD7B,uDAAuD;AACvD,iDAAiD;AAwCzC,sCAAa;AAtCrB,2DAAkE;AAA1D,iHAAA,UAAU,OAAA;AAElB,+BAAuD;AAA3B,mGAAA,WAAW,OAAA;AACvC,iDAA8C;AAAtC,8GAAA,aAAa,OAAA;AACrB,2CAKsB;AAJpB,8GAAA,gBAAgB,OAAA;AAChB,mHAAA,qBAAqB,OAAA;AACrB,4GAAA,cAAc,OAAA;AACd,8GAAA,gBAAgB,OAAA;AAElB,6BAYe;AAVb,mGAAA,YAAY,OAAA;AAEZ,wGAAA,iBAAiB,OAAA;AACjB,mGAAA,YAAY,OAAA;AAEZ,yGAAA,kBAAkB,OAAA;AAClB,0GAAA,mBAAmB,OAAA;AACnB,4GAAA,qBAAqB,OAAA;AACrB,mHAAA,4BAA4B,OAAA;AAC5B,sHAAA,+BAA+B,OAAA;AAEjC,6CAA0C;AAAlC,0GAAA,WAAW,OAAA;AACnB,+BASgB;AARd,kGAAA,UAAU,OAAA;AAEV,4GAAA,oBAAoB,OAAA;AACpB,kGAAA,UAAU,OAAA;AAMZ,8DAAoE;AAA5D,wGAAA,SAAS,OAAA;AAAE,wGAAA,SAAS,OAAA;AAC5B,+CAA4C;AAApC,4GAAA,YAAY,OAAA;AACpB,mCAAgC;AAAxB,gGAAA,MAAM,OAAA;AACd,wDAAsD;AAA9C,uGAAA,UAAU,OAAA;AAGlB,SAAS,GAAG,CAAC,OAA0B;IACrC,OAAO,GAAG,MAAM,CAAC,MAAM,CAAC,EAAC,MAAM,EAAE,GAAG,CAAC,UAAU,EAAC,EAAE,OAAO,CAAC,CAAC;IAC3D,MAAM,OAAO,GAAG,IAAI,iBAAU,CAAC,OAAO,CAAC,CAAC;IACxC,OAAO,IAAI,gBAAgB,CAAC,uBAAuB,CAAC,OAAO,CAAC,CAAC;AAC/D,CAAC;AAKO,kBAAG;AAHX,GAAG,CAAC,eAAe,GAAG,gBAAgB,CAAC,eAAe,CAAC;AACvD,GAAG,CAAC,UAAU,GAAG,gBAAgB,CAAC,UAAU,CAAC;AAG7C,uDAAoD;AAA5C,oHAAA,gBAAgB,OAAA;AACxB,2CAAuC;AAA/B,uGAAA,SAAS,OAAA;AACJ,QAAA,wBAAwB,GAAG,iBAAU,CAAC,wBAAwB,CAAC;AAC/D,QAAA,OAAO,GAAG,OAAO,CAAC,oBAAoB,CAAC,CAAC,OAAO,CAAC;AAE7D,uCAAuC;AAC/B,4BAAQ;AAChB,wDAAsD;AAEtD,uCAAuC;AAC/B,4BAAQ;AAuBhB,yCAA+D;AAAzC,6GAAA,kBAAkB,OAAA;AACxC,uCAAgC;AAAxB,gGAAA,IAAI,OAAA"}
\ No newline at end of file

@@ -13,4 +13,4 @@
  * See the License for the specific language governing permissions and
  * See the License for the specific language governing permissions and
  * limitations under the License.
  * limitations under the License.
  */
  */
-export declare function warn(code: string, message: string): void;
+export declare function warn(code: string, message: string, warnType?: string): void;

@@ -18,7 +18,8 @@ Object.defineProperty(exports, "__esModule", { value: true });
 exports.warn = void 0;
 exports.warn = void 0;
 const isbrowser_1 = require("./isbrowser");
 const isbrowser_1 = require("./isbrowser");
 const emittedWarnings = new Set();
 const emittedWarnings = new Set();
-function warn(code, message) {
+// warnType is the type of warning (e.g. 'DeprecationWarning', 'ExperimentalWarning', etc.)
+function warn(code, message, warnType) {
     // Only show a given warning once
     // Only show a given warning once
     if (emittedWarnings.has(code)) {
     if (emittedWarnings.has(code)) {
         return;
         return;
@@ -27,6 +28,11 @@ function warn(code, message) {
     if (isbrowser_1.isBrowser()) {
     if (isbrowser_1.isBrowser()) {
         console.warn(message);
         console.warn(message);
     }
     }
+    else if (typeof warnType !== 'undefined') {
+        process.emitWarning(message, {
+            type: warnType,
+        });
+    }
     else {
     else {
         process.emitWarning(message);
         process.emitWarning(message);
     }
     }

-{"version":3,"file":"warnings.js","sourceRoot":"","sources":["../../src/warnings.ts"],"names":[],"mappings":";AAAA;;;;;;;;;;;;;;GAcG;;;AAEH,2CAAsC;AAEtC,MAAM,eAAe,GAAG,IAAI,GAAG,EAAU,CAAC;AAE1C,SAAgB,IAAI,CAAC,IAAY,EAAE,OAAe;IAChD,iCAAiC;IACjC,IAAI,eAAe,CAAC,GAAG,CAAC,IAAI,CAAC,EAAE;QAC7B,OAAO;KACR;IACD,eAAe,CAAC,GAAG,CAAC,IAAI,CAAC,CAAC;IAE1B,IAAI,qBAAS,EAAE,EAAE;QACf,OAAO,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;KACvB;SAAM;QACL,OAAO,CAAC,WAAW,CAAC,OAAO,CAAC,CAAC;KAC9B;AACH,CAAC;AAZD,oBAYC"}
\ No newline at end of file
+{"version":3,"file":"warnings.js","sourceRoot":"","sources":["../../src/warnings.ts"],"names":[],"mappings":";AAAA;;;;;;;;;;;;;;GAcG;;;AAEH,2CAAsC;AAEtC,MAAM,eAAe,GAAG,IAAI,GAAG,EAAU,CAAC;AAE1C,2FAA2F;AAC3F,SAAgB,IAAI,CAAC,IAAY,EAAE,OAAe,EAAE,QAAiB;IACnE,iCAAiC;IACjC,IAAI,eAAe,CAAC,GAAG,CAAC,IAAI,CAAC,EAAE;QAC7B,OAAO;KACR;IACD,eAAe,CAAC,GAAG,CAAC,IAAI,CAAC,CAAC;IAE1B,IAAI,qBAAS,EAAE,EAAE;QACf,OAAO,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;KACvB;SAAM,IAAI,OAAO,QAAQ,KAAK,WAAW,EAAE;QAC1C,OAAO,CAAC,WAAW,CAAC,OAAO,EAAE;YAC3B,IAAI,EAAE,QAAQ;SACf,CAAC,CAAC;KACJ;SAAM;QACL,OAAO,CAAC,WAAW,CAAC,OAAO,CAAC,CAAC;KAC9B;AACH,CAAC;AAhBD,oBAgBC"}
\ No newline at end of file

 {
 {
   "_from": "google-gax@^2.12.0",
   "_from": "google-gax@^2.12.0",
-  "_id": "google-gax@2.13.0",
+  "_id": "google-gax@2.14.1",
   "_inBundle": false,
   "_inBundle": false,
-  "_integrity": "sha512-aKNJy2+Vv2I7flyNYbwpq0aYBHp6Qv32HZn+wr6ZhZ8xlSCLS9K9k7izfh2nd1rCJQcsqB6KMxHV0Vwny6Rc1g==",
+  "_integrity": "sha512-I5RDEN7MEptrCxeHX3ht7nKFGfyjgYX4hQKI9eVMBohMzVbFSwWUndo0CcKXu8es7NhB4gt2XYLm1AHkXhtHpA==",
   "_location": "/google-gax",
   "_location": "/google-gax",
   "_phantomChildren": {},
   "_phantomChildren": {},
   "_requested": {
   "_requested": {
@@ -18,8 +18,8 @@
   "_requiredBy": [
   "_requiredBy": [
     "/@google-cloud/speech"
     "/@google-cloud/speech"
   ],
   ],
-  "_resolved": "https://registry.npmjs.org/google-gax/-/google-gax-2.13.0.tgz",
-  "_shasum": "404bb9df62c3a0a414e2f5339eda4d751f540304",
+  "_resolved": "https://registry.npmjs.org/google-gax/-/google-gax-2.14.1.tgz",
+  "_shasum": "74885c5d9f01db412917fc49bbf20c4884828d36",
   "_spec": "google-gax@^2.12.0",
   "_spec": "google-gax@^2.12.0",
   "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\@google-cloud\\speech",
   "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\@google-cloud\\speech",
   "author": {
   "author": {
@@ -57,7 +57,7 @@
     "@types/fs-extra": "^8.0.1",
     "@types/fs-extra": "^8.0.1",
     "@types/mocha": "^8.0.0",
     "@types/mocha": "^8.0.0",
     "@types/ncp": "^2.0.1",
     "@types/ncp": "^2.0.1",
-    "@types/node": "^10.3.2",
+    "@types/node": ">=15.6.0",
     "@types/node-fetch": "^2.5.4",
     "@types/node-fetch": "^2.5.4",
     "@types/object-hash": "^2.1.0",
     "@types/object-hash": "^2.1.0",
     "@types/proxyquire": "^1.3.28",
     "@types/proxyquire": "^1.3.28",
@@ -91,7 +91,7 @@
     "pumpify": "^2.0.0",
     "pumpify": "^2.0.0",
     "puppeteer": "^8.0.0",
     "puppeteer": "^8.0.0",
     "rimraf": "^3.0.0",
     "rimraf": "^3.0.0",
-    "sinon": "^10.0.0",
+    "sinon": "^11.0.0",
     "stream-events": "^1.0.4",
     "stream-events": "^1.0.4",
     "ts-loader": "^8.0.0",
     "ts-loader": "^8.0.0",
     "typescript": "^3.8.3",
     "typescript": "^3.8.3",
@@ -144,5 +144,5 @@
     "update-protos": "node ./build/tools/listProtos.js"
     "update-protos": "node ./build/tools/listProtos.js"
   },
   },
   "types": "build/src/index.d.ts",
   "types": "build/src/index.d.ts",
-  "version": "2.13.0"
+  "version": "2.14.1"
 }
 }

 {
 {
-  "_from": "inherits@^2.0.3",
+  "_from": "inherits@~2.0.1",
   "_id": "inherits@2.0.4",
   "_id": "inherits@2.0.4",
   "_inBundle": false,
   "_inBundle": false,
   "_integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
   "_integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
@@ -8,22 +8,22 @@
   "_requested": {
   "_requested": {
     "type": "range",
     "type": "range",
     "registry": true,
     "registry": true,
-    "raw": "inherits@^2.0.3",
+    "raw": "inherits@~2.0.1",
     "name": "inherits",
     "name": "inherits",
     "escapedName": "inherits",
     "escapedName": "inherits",
-    "rawSpec": "^2.0.3",
+    "rawSpec": "~2.0.1",
     "saveSpec": null,
     "saveSpec": null,
-    "fetchSpec": "^2.0.3"
+    "fetchSpec": "~2.0.1"
   },
   },
   "_requiredBy": [
   "_requiredBy": [
-    "/duplexify",
-    "/pumpify",
+    "/concat-stream",
+    "/concat-stream/readable-stream",
     "/readable-stream"
     "/readable-stream"
   ],
   ],
   "_resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
   "_resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
   "_shasum": "0fa2c64f932917c3433a0ded55363aae37416b7c",
   "_shasum": "0fa2c64f932917c3433a0ded55363aae37416b7c",
-  "_spec": "inherits@^2.0.3",
-  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\duplexify",
+  "_spec": "inherits@~2.0.1",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\readable-stream",
   "browser": "./inherits_browser.js",
   "browser": "./inherits_browser.js",
   "bugs": {
   "bugs": {
     "url": "https://github.com/isaacs/inherits/issues"
     "url": "https://github.com/isaacs/inherits/issues"

+
+# isarray
+
+`Array#isArray` for older browsers.
+
+## Usage
+
+```js
+var isArray = require('isarray');
+
+console.log(isArray([])); // => true
+console.log(isArray({})); // => false
+```
+
+## Installation
+
+With [npm](http://npmjs.org) do
+
+```bash
+$ npm install isarray
+```
+
+Then bundle for the browser with
+[browserify](https://github.com/substack/browserify).
+
+With [component](http://component.io) do
+
+```bash
+$ component install juliangruber/isarray
+```
+
+## License
+
+(MIT)
+
+Copyright (c) 2013 Julian Gruber <julian@juliangruber.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

+
+/**
+ * Require the given path.
+ *
+ * @param {String} path
+ * @return {Object} exports
+ * @api public
+ */
+
+function require(path, parent, orig) {
+  var resolved = require.resolve(path);
+
+  // lookup failed
+  if (null == resolved) {
+    orig = orig || path;
+    parent = parent || 'root';
+    var err = new Error('Failed to require "' + orig + '" from "' + parent + '"');
+    err.path = orig;
+    err.parent = parent;
+    err.require = true;
+    throw err;
+  }
+
+  var module = require.modules[resolved];
+
+  // perform real require()
+  // by invoking the module's
+  // registered function
+  if (!module.exports) {
+    module.exports = {};
+    module.client = module.component = true;
+    module.call(this, module.exports, require.relative(resolved), module);
+  }
+
+  return module.exports;
+}
+
+/**
+ * Registered modules.
+ */
+
+require.modules = {};
+
+/**
+ * Registered aliases.
+ */
+
+require.aliases = {};
+
+/**
+ * Resolve `path`.
+ *
+ * Lookup:
+ *
+ *   - PATH/index.js
+ *   - PATH.js
+ *   - PATH
+ *
+ * @param {String} path
+ * @return {String} path or null
+ * @api private
+ */
+
+require.resolve = function(path) {
+  if (path.charAt(0) === '/') path = path.slice(1);
+  var index = path + '/index.js';
+
+  var paths = [
+    path,
+    path + '.js',
+    path + '.json',
+    path + '/index.js',
+    path + '/index.json'
+  ];
+
+  for (var i = 0; i < paths.length; i++) {
+    var path = paths[i];
+    if (require.modules.hasOwnProperty(path)) return path;
+  }
+
+  if (require.aliases.hasOwnProperty(index)) {
+    return require.aliases[index];
+  }
+};
+
+/**
+ * Normalize `path` relative to the current path.
+ *
+ * @param {String} curr
+ * @param {String} path
+ * @return {String}
+ * @api private
+ */
+
+require.normalize = function(curr, path) {
+  var segs = [];
+
+  if ('.' != path.charAt(0)) return path;
+
+  curr = curr.split('/');
+  path = path.split('/');
+
+  for (var i = 0; i < path.length; ++i) {
+    if ('..' == path[i]) {
+      curr.pop();
+    } else if ('.' != path[i] && '' != path[i]) {
+      segs.push(path[i]);
+    }
+  }
+
+  return curr.concat(segs).join('/');
+};
+
+/**
+ * Register module at `path` with callback `definition`.
+ *
+ * @param {String} path
+ * @param {Function} definition
+ * @api private
+ */
+
+require.register = function(path, definition) {
+  require.modules[path] = definition;
+};
+
+/**
+ * Alias a module definition.
+ *
+ * @param {String} from
+ * @param {String} to
+ * @api private
+ */
+
+require.alias = function(from, to) {
+  if (!require.modules.hasOwnProperty(from)) {
+    throw new Error('Failed to alias "' + from + '", it does not exist');
+  }
+  require.aliases[to] = from;
+};
+
+/**
+ * Return a require function relative to the `parent` path.
+ *
+ * @param {String} parent
+ * @return {Function}
+ * @api private
+ */
+
+require.relative = function(parent) {
+  var p = require.normalize(parent, '..');
+
+  /**
+   * lastIndexOf helper.
+   */
+
+  function lastIndexOf(arr, obj) {
+    var i = arr.length;
+    while (i--) {
+      if (arr[i] === obj) return i;
+    }
+    return -1;
+  }
+
+  /**
+   * The relative require() itself.
+   */
+
+  function localRequire(path) {
+    var resolved = localRequire.resolve(path);
+    return require(resolved, parent, path);
+  }
+
+  /**
+   * Resolve relative to the parent.
+   */
+
+  localRequire.resolve = function(path) {
+    var c = path.charAt(0);
+    if ('/' == c) return path.slice(1);
+    if ('.' == c) return require.normalize(p, path);
+
+    // resolve deps by returning
+    // the dep in the nearest "deps"
+    // directory
+    var segs = parent.split('/');
+    var i = lastIndexOf(segs, 'deps') + 1;
+    if (!i) i = 0;
+    path = segs.slice(0, i + 1).join('/') + '/deps/' + path;
+    return path;
+  };
+
+  /**
+   * Check if module is defined at `path`.
+   */
+
+  localRequire.exists = function(path) {
+    return require.modules.hasOwnProperty(localRequire.resolve(path));
+  };
+
+  return localRequire;
+};
+require.register("isarray/index.js", function(exports, require, module){
+module.exports = Array.isArray || function (arr) {
+  return Object.prototype.toString.call(arr) == '[object Array]';
+};
+
+});
+require.alias("isarray/index.js", "isarray/index.js");
+

+{
+  "name" : "isarray",
+  "description" : "Array#isArray for older browsers",
+  "version" : "0.0.1",
+  "repository" : "juliangruber/isarray",
+  "homepage": "https://github.com/juliangruber/isarray",
+  "main" : "index.js",
+  "scripts" : [
+    "index.js"
+  ],
+  "dependencies" : {},
+  "keywords": ["browser","isarray","array"],
+  "author": {
+    "name": "Julian Gruber",
+    "email": "mail@juliangruber.com",
+    "url": "http://juliangruber.com"
+  },
+  "license": "MIT"
+}

+module.exports = Array.isArray || function (arr) {
+  return Object.prototype.toString.call(arr) == '[object Array]';
+};

+{
+  "_from": "isarray@0.0.1",
+  "_id": "isarray@0.0.1",
+  "_inBundle": false,
+  "_integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
+  "_location": "/isarray",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "isarray@0.0.1",
+    "name": "isarray",
+    "escapedName": "isarray",
+    "rawSpec": "0.0.1",
+    "saveSpec": null,
+    "fetchSpec": "0.0.1"
+  },
+  "_requiredBy": [
+    "/readable-stream"
+  ],
+  "_resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+  "_shasum": "8a18acfca9a8f4177e09abfc6038939b05d1eedf",
+  "_spec": "isarray@0.0.1",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\readable-stream",
+  "author": {
+    "name": "Julian Gruber",
+    "email": "mail@juliangruber.com",
+    "url": "http://juliangruber.com"
+  },
+  "bugs": {
+    "url": "https://github.com/juliangruber/isarray/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {},
+  "deprecated": false,
+  "description": "Array#isArray for older browsers",
+  "devDependencies": {
+    "tap": "*"
+  },
+  "homepage": "https://github.com/juliangruber/isarray",
+  "keywords": [
+    "browser",
+    "isarray",
+    "array"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "name": "isarray",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/juliangruber/isarray.git"
+  },
+  "scripts": {
+    "test": "tap test/*.js"
+  },
+  "version": "0.0.1"
+}

+language: node_js
+node_js:
+  - "0.8"
+  - "0.10"
+  - "0.12"
+  - "iojs"
+before_install:
+  - npm install -g npm@~1.4.6

+This software is released under the MIT license:
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

+var argv = require('../')(process.argv.slice(2));
+console.log(argv);

+module.exports = function (args, opts) {
+    if (!opts) opts = {};
+    
+    var flags = { bools : {}, strings : {}, unknownFn: null };
+
+    if (typeof opts['unknown'] === 'function') {
+        flags.unknownFn = opts['unknown'];
+    }
+
+    if (typeof opts['boolean'] === 'boolean' && opts['boolean']) {
+      flags.allBools = true;
+    } else {
+      [].concat(opts['boolean']).filter(Boolean).forEach(function (key) {
+          flags.bools[key] = true;
+      });
+    }
+    
+    var aliases = {};
+    Object.keys(opts.alias || {}).forEach(function (key) {
+        aliases[key] = [].concat(opts.alias[key]);
+        aliases[key].forEach(function (x) {
+            aliases[x] = [key].concat(aliases[key].filter(function (y) {
+                return x !== y;
+            }));
+        });
+    });
+
+    [].concat(opts.string).filter(Boolean).forEach(function (key) {
+        flags.strings[key] = true;
+        if (aliases[key]) {
+            flags.strings[aliases[key]] = true;
+        }
+     });
+
+    var defaults = opts['default'] || {};
+    
+    var argv = { _ : [] };
+    Object.keys(flags.bools).forEach(function (key) {
+        setArg(key, defaults[key] === undefined ? false : defaults[key]);
+    });
+    
+    var notFlags = [];
+
+    if (args.indexOf('--') !== -1) {
+        notFlags = args.slice(args.indexOf('--')+1);
+        args = args.slice(0, args.indexOf('--'));
+    }
+
+    function argDefined(key, arg) {
+        return (flags.allBools && /^--[^=]+$/.test(arg)) ||
+            flags.strings[key] || flags.bools[key] || aliases[key];
+    }
+
+    function setArg (key, val, arg) {
+        if (arg && flags.unknownFn && !argDefined(key, arg)) {
+            if (flags.unknownFn(arg) === false) return;
+        }
+
+        var value = !flags.strings[key] && isNumber(val)
+            ? Number(val) : val
+        ;
+        setKey(argv, key.split('.'), value);
+        
+        (aliases[key] || []).forEach(function (x) {
+            setKey(argv, x.split('.'), value);
+        });
+    }
+
+    function setKey (obj, keys, value) {
+        var o = obj;
+        for (var i = 0; i < keys.length-1; i++) {
+            var key = keys[i];
+            if (key === '__proto__') return;
+            if (o[key] === undefined) o[key] = {};
+            if (o[key] === Object.prototype || o[key] === Number.prototype
+                || o[key] === String.prototype) o[key] = {};
+            if (o[key] === Array.prototype) o[key] = [];
+            o = o[key];
+        }
+
+        var key = keys[keys.length - 1];
+        if (key === '__proto__') return;
+        if (o === Object.prototype || o === Number.prototype
+            || o === String.prototype) o = {};
+        if (o === Array.prototype) o = [];
+        if (o[key] === undefined || flags.bools[key] || typeof o[key] === 'boolean') {
+            o[key] = value;
+        }
+        else if (Array.isArray(o[key])) {
+            o[key].push(value);
+        }
+        else {
+            o[key] = [ o[key], value ];
+        }
+    }
+    
+    function aliasIsBoolean(key) {
+      return aliases[key].some(function (x) {
+          return flags.bools[x];
+      });
+    }
+
+    for (var i = 0; i < args.length; i++) {
+        var arg = args[i];
+        
+        if (/^--.+=/.test(arg)) {
+            // Using [\s\S] instead of . because js doesn't support the
+            // 'dotall' regex modifier. See:
+            // http://stackoverflow.com/a/1068308/13216
+            var m = arg.match(/^--([^=]+)=([\s\S]*)$/);
+            var key = m[1];
+            var value = m[2];
+            if (flags.bools[key]) {
+                value = value !== 'false';
+            }
+            setArg(key, value, arg);
+        }
+        else if (/^--no-.+/.test(arg)) {
+            var key = arg.match(/^--no-(.+)/)[1];
+            setArg(key, false, arg);
+        }
+        else if (/^--.+/.test(arg)) {
+            var key = arg.match(/^--(.+)/)[1];
+            var next = args[i + 1];
+            if (next !== undefined && !/^-/.test(next)
+            && !flags.bools[key]
+            && !flags.allBools
+            && (aliases[key] ? !aliasIsBoolean(key) : true)) {
+                setArg(key, next, arg);
+                i++;
+            }
+            else if (/^(true|false)$/.test(next)) {
+                setArg(key, next === 'true', arg);
+                i++;
+            }
+            else {
+                setArg(key, flags.strings[key] ? '' : true, arg);
+            }
+        }
+        else if (/^-[^-]+/.test(arg)) {
+            var letters = arg.slice(1,-1).split('');
+            
+            var broken = false;
+            for (var j = 0; j < letters.length; j++) {
+                var next = arg.slice(j+2);
+                
+                if (next === '-') {
+                    setArg(letters[j], next, arg)
+                    continue;
+                }
+                
+                if (/[A-Za-z]/.test(letters[j]) && /=/.test(next)) {
+                    setArg(letters[j], next.split('=')[1], arg);
+                    broken = true;
+                    break;
+                }
+                
+                if (/[A-Za-z]/.test(letters[j])
+                && /-?\d+(\.\d*)?(e-?\d+)?$/.test(next)) {
+                    setArg(letters[j], next, arg);
+                    broken = true;
+                    break;
+                }
+                
+                if (letters[j+1] && letters[j+1].match(/\W/)) {
+                    setArg(letters[j], arg.slice(j+2), arg);
+                    broken = true;
+                    break;
+                }
+                else {
+                    setArg(letters[j], flags.strings[letters[j]] ? '' : true, arg);
+                }
+            }
+            
+            var key = arg.slice(-1)[0];
+            if (!broken && key !== '-') {
+                if (args[i+1] && !/^(-|--)[^-]/.test(args[i+1])
+                && !flags.bools[key]
+                && (aliases[key] ? !aliasIsBoolean(key) : true)) {
+                    setArg(key, args[i+1], arg);
+                    i++;
+                }
+                else if (args[i+1] && /^(true|false)$/.test(args[i+1])) {
+                    setArg(key, args[i+1] === 'true', arg);
+                    i++;
+                }
+                else {
+                    setArg(key, flags.strings[key] ? '' : true, arg);
+                }
+            }
+        }
+        else {
+            if (!flags.unknownFn || flags.unknownFn(arg) !== false) {
+                argv._.push(
+                    flags.strings['_'] || !isNumber(arg) ? arg : Number(arg)
+                );
+            }
+            if (opts.stopEarly) {
+                argv._.push.apply(argv._, args.slice(i + 1));
+                break;
+            }
+        }
+    }
+    
+    Object.keys(defaults).forEach(function (key) {
+        if (!hasKey(argv, key.split('.'))) {
+            setKey(argv, key.split('.'), defaults[key]);
+            
+            (aliases[key] || []).forEach(function (x) {
+                setKey(argv, x.split('.'), defaults[key]);
+            });
+        }
+    });
+    
+    if (opts['--']) {
+        argv['--'] = new Array();
+        notFlags.forEach(function(key) {
+            argv['--'].push(key);
+        });
+    }
+    else {
+        notFlags.forEach(function(key) {
+            argv._.push(key);
+        });
+    }
+
+    return argv;
+};
+
+function hasKey (obj, keys) {
+    var o = obj;
+    keys.slice(0,-1).forEach(function (key) {
+        o = (o[key] || {});
+    });
+
+    var key = keys[keys.length - 1];
+    return key in o;
+}
+
+function isNumber (x) {
+    if (typeof x === 'number') return true;
+    if (/^0x[0-9a-f]+$/i.test(x)) return true;
+    return /^[-+]?(?:\d+(?:\.\d*)?|\.\d+)(e[-+]?\d+)?$/.test(x);
+}
+

+{
+  "_from": "minimist@^1.2.5",
+  "_id": "minimist@1.2.5",
+  "_inBundle": false,
+  "_integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
+  "_location": "/minimist",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "minimist@^1.2.5",
+    "name": "minimist",
+    "escapedName": "minimist",
+    "rawSpec": "^1.2.5",
+    "saveSpec": null,
+    "fetchSpec": "^1.2.5"
+  },
+  "_requiredBy": [
+    "/mkdirp"
+  ],
+  "_resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+  "_shasum": "67d66014b66a6a8aaa0c083c5fd58df4e4e97602",
+  "_spec": "minimist@^1.2.5",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\mkdirp",
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "bugs": {
+    "url": "https://github.com/substack/minimist/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "parse argument options",
+  "devDependencies": {
+    "covert": "^1.0.0",
+    "tap": "~0.4.0",
+    "tape": "^3.5.0"
+  },
+  "homepage": "https://github.com/substack/minimist",
+  "keywords": [
+    "argv",
+    "getopt",
+    "parser",
+    "optimist"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "name": "minimist",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/substack/minimist.git"
+  },
+  "scripts": {
+    "coverage": "covert test/*.js",
+    "test": "tap test/*.js"
+  },
+  "testling": {
+    "files": "test/*.js",
+    "browsers": [
+      "ie/6..latest",
+      "ff/5",
+      "firefox/latest",
+      "chrome/10",
+      "chrome/latest",
+      "safari/5.1",
+      "safari/latest",
+      "opera/12"
+    ]
+  },
+  "version": "1.2.5"
+}

+# minimist
+
+parse argument options
+
+This module is the guts of optimist's argument parser without all the
+fanciful decoration.
+
+# example
+
+``` js
+var argv = require('minimist')(process.argv.slice(2));
+console.log(argv);
+```
+
+```
+$ node example/parse.js -a beep -b boop
+{ _: [], a: 'beep', b: 'boop' }
+```
+
+```
+$ node example/parse.js -x 3 -y 4 -n5 -abc --beep=boop foo bar baz
+{ _: [ 'foo', 'bar', 'baz' ],
+  x: 3,
+  y: 4,
+  n: 5,
+  a: true,
+  b: true,
+  c: true,
+  beep: 'boop' }
+```
+
+# security
+
+Previous versions had a prototype pollution bug that could cause privilege
+escalation in some circumstances when handling untrusted user input.
+
+Please use version 1.2.3 or later: https://snyk.io/vuln/SNYK-JS-MINIMIST-559764
+
+# methods
+
+``` js
+var parseArgs = require('minimist')
+```
+
+## var argv = parseArgs(args, opts={})
+
+Return an argument object `argv` populated with the array arguments from `args`.
+
+`argv._` contains all the arguments that didn't have an option associated with
+them.
+
+Numeric-looking arguments will be returned as numbers unless `opts.string` or
+`opts.boolean` is set for that argument name.
+
+Any arguments after `'--'` will not be parsed and will end up in `argv._`.
+
+options can be:
+
+* `opts.string` - a string or array of strings argument names to always treat as
+strings
+* `opts.boolean` - a boolean, string or array of strings to always treat as
+booleans. if `true` will treat all double hyphenated arguments without equal signs
+as boolean (e.g. affects `--foo`, not `-f` or `--foo=bar`)
+* `opts.alias` - an object mapping string names to strings or arrays of string
+argument names to use as aliases
+* `opts.default` - an object mapping string argument names to default values
+* `opts.stopEarly` - when true, populate `argv._` with everything after the
+first non-option
+* `opts['--']` - when true, populate `argv._` with everything before the `--`
+and `argv['--']` with everything after the `--`. Here's an example:
+
+  ```
+  > require('./')('one two three -- four five --six'.split(' '), { '--': true })
+  { _: [ 'one', 'two', 'three' ],
+    '--': [ 'four', 'five', '--six' ] }
+  ```
+
+  Note that with `opts['--']` set, parsing for arguments still stops after the
+  `--`.
+
+* `opts.unknown` - a function which is invoked with a command line parameter not
+defined in the `opts` configuration object. If the function returns `false`, the
+unknown option is not added to `argv`.
+
+# install
+
+With [npm](https://npmjs.org) do:
+
+```
+npm install minimist
+```
+
+# license
+
+MIT

+var parse = require('../');
+var test = require('tape');
+
+test('flag boolean true (default all --args to boolean)', function (t) {
+    var argv = parse(['moo', '--honk', 'cow'], {
+        boolean: true
+    });
+    
+    t.deepEqual(argv, {
+        honk: true,
+        _: ['moo', 'cow']
+    });
+    
+    t.deepEqual(typeof argv.honk, 'boolean');
+    t.end();
+});
+
+test('flag boolean true only affects double hyphen arguments without equals signs', function (t) {
+    var argv = parse(['moo', '--honk', 'cow', '-p', '55', '--tacos=good'], {
+        boolean: true
+    });
+    
+    t.deepEqual(argv, {
+        honk: true,
+        tacos: 'good',
+        p: 55,
+        _: ['moo', 'cow']
+    });
+    
+    t.deepEqual(typeof argv.honk, 'boolean');
+    t.end();
+});

+var parse = require('../');
+var test = require('tape');
+
+test('flag boolean default false', function (t) {
+    var argv = parse(['moo'], {
+        boolean: ['t', 'verbose'],
+        default: { verbose: false, t: false }
+    });
+    
+    t.deepEqual(argv, {
+        verbose: false,
+        t: false,
+        _: ['moo']
+    });
+    
+    t.deepEqual(typeof argv.verbose, 'boolean');
+    t.deepEqual(typeof argv.t, 'boolean');
+    t.end();
+
+});
+
+test('boolean groups', function (t) {
+    var argv = parse([ '-x', '-z', 'one', 'two', 'three' ], {
+        boolean: ['x','y','z']
+    });
+    
+    t.deepEqual(argv, {
+        x : true,
+        y : false,
+        z : true,
+        _ : [ 'one', 'two', 'three' ]
+    });
+    
+    t.deepEqual(typeof argv.x, 'boolean');
+    t.deepEqual(typeof argv.y, 'boolean');
+    t.deepEqual(typeof argv.z, 'boolean');
+    t.end();
+});
+test('boolean and alias with chainable api', function (t) {
+    var aliased = [ '-h', 'derp' ];
+    var regular = [ '--herp',  'derp' ];
+    var opts = {
+        herp: { alias: 'h', boolean: true }
+    };
+    var aliasedArgv = parse(aliased, {
+        boolean: 'herp',
+        alias: { h: 'herp' }
+    });
+    var propertyArgv = parse(regular, {
+        boolean: 'herp',
+        alias: { h: 'herp' }
+    });
+    var expected = {
+        herp: true,
+        h: true,
+        '_': [ 'derp' ]
+    };
+    
+    t.same(aliasedArgv, expected);
+    t.same(propertyArgv, expected); 
+    t.end();
+});
+
+test('boolean and alias with options hash', function (t) {
+    var aliased = [ '-h', 'derp' ];
+    var regular = [ '--herp', 'derp' ];
+    var opts = {
+        alias: { 'h': 'herp' },
+        boolean: 'herp'
+    };
+    var aliasedArgv = parse(aliased, opts);
+    var propertyArgv = parse(regular, opts);
+    var expected = {
+        herp: true,
+        h: true,
+        '_': [ 'derp' ]
+    };
+    t.same(aliasedArgv, expected);
+    t.same(propertyArgv, expected);
+    t.end();
+});
+
+test('boolean and alias array with options hash', function (t) {
+    var aliased = [ '-h', 'derp' ];
+    var regular = [ '--herp', 'derp' ];
+    var alt = [ '--harp', 'derp' ];
+    var opts = {
+        alias: { 'h': ['herp', 'harp'] },
+        boolean: 'h'
+    };
+    var aliasedArgv = parse(aliased, opts);
+    var propertyArgv = parse(regular, opts);
+    var altPropertyArgv = parse(alt, opts);
+    var expected = {
+        harp: true,
+        herp: true,
+        h: true,
+        '_': [ 'derp' ]
+    };
+    t.same(aliasedArgv, expected);
+    t.same(propertyArgv, expected);
+    t.same(altPropertyArgv, expected);
+    t.end();
+});
+
+test('boolean and alias using explicit true', function (t) {
+    var aliased = [ '-h', 'true' ];
+    var regular = [ '--herp',  'true' ];
+    var opts = {
+        alias: { h: 'herp' },
+        boolean: 'h'
+    };
+    var aliasedArgv = parse(aliased, opts);
+    var propertyArgv = parse(regular, opts);
+    var expected = {
+        herp: true,
+        h: true,
+        '_': [ ]
+    };
+
+    t.same(aliasedArgv, expected);
+    t.same(propertyArgv, expected); 
+    t.end();
+});
+
+// regression, see https://github.com/substack/node-optimist/issues/71
+test('boolean and --x=true', function(t) {
+    var parsed = parse(['--boool', '--other=true'], {
+        boolean: 'boool'
+    });
+
+    t.same(parsed.boool, true);
+    t.same(parsed.other, 'true');
+
+    parsed = parse(['--boool', '--other=false'], {
+        boolean: 'boool'
+    });
+    
+    t.same(parsed.boool, true);
+    t.same(parsed.other, 'false');
+    t.end();
+});
+
+test('boolean --boool=true', function (t) {
+    var parsed = parse(['--boool=true'], {
+        default: {
+            boool: false
+        },
+        boolean: ['boool']
+    });
+
+    t.same(parsed.boool, true);
+    t.end();
+});
+
+test('boolean --boool=false', function (t) {
+    var parsed = parse(['--boool=false'], {
+        default: {
+          boool: true
+        },
+        boolean: ['boool']
+    });
+
+    t.same(parsed.boool, false);
+    t.end();
+});
+
+test('boolean using something similar to true', function (t) {
+    var opts = { boolean: 'h' };
+    var result = parse(['-h', 'true.txt'], opts);
+    var expected = {
+        h: true,
+        '_': ['true.txt']
+    };
+
+    t.same(result, expected);
+    t.end();
+});
\ No newline at end of file

+var parse = require('../');
+var test = require('tape');
+
+test('-', function (t) {
+    t.plan(5);
+    t.deepEqual(parse([ '-n', '-' ]), { n: '-', _: [] });
+    t.deepEqual(parse([ '-' ]), { _: [ '-' ] });
+    t.deepEqual(parse([ '-f-' ]), { f: '-', _: [] });
+    t.deepEqual(
+        parse([ '-b', '-' ], { boolean: 'b' }),
+        { b: true, _: [ '-' ] }
+    );
+    t.deepEqual(
+        parse([ '-s', '-' ], { string: 's' }),
+        { s: '-', _: [] }
+    );
+});
+
+test('-a -- b', function (t) {
+    t.plan(3);
+    t.deepEqual(parse([ '-a', '--', 'b' ]), { a: true, _: [ 'b' ] });
+    t.deepEqual(parse([ '--a', '--', 'b' ]), { a: true, _: [ 'b' ] });
+    t.deepEqual(parse([ '--a', '--', 'b' ]), { a: true, _: [ 'b' ] });
+});
+
+test('move arguments after the -- into their own `--` array', function(t) {
+    t.plan(1);
+    t.deepEqual(
+        parse([ '--name', 'John', 'before', '--', 'after' ], { '--': true }),
+        { name: 'John', _: [ 'before' ], '--': [ 'after' ] });
+});

+var test = require('tape');
+var parse = require('../');
+
+test('boolean default true', function (t) {
+    var argv = parse([], {
+        boolean: 'sometrue',
+        default: { sometrue: true }
+    });
+    t.equal(argv.sometrue, true);
+    t.end();
+});
+
+test('boolean default false', function (t) {
+    var argv = parse([], {
+        boolean: 'somefalse',
+        default: { somefalse: false }
+    });
+    t.equal(argv.somefalse, false);
+    t.end();
+});
+
+test('boolean default to null', function (t) {
+    var argv = parse([], {
+        boolean: 'maybe',
+        default: { maybe: null }
+    });
+    t.equal(argv.maybe, null);
+    var argv = parse(['--maybe'], {
+        boolean: 'maybe',
+        default: { maybe: null }
+    });
+    t.equal(argv.maybe, true);
+    t.end();
+
+})

+var parse = require('../');
+var test = require('tape');
+
+test('dotted alias', function (t) {
+    var argv = parse(['--a.b', '22'], {default: {'a.b': 11}, alias: {'a.b': 'aa.bb'}});
+    t.equal(argv.a.b, 22);
+    t.equal(argv.aa.bb, 22);
+    t.end();
+});
+
+test('dotted default', function (t) {
+    var argv = parse('', {default: {'a.b': 11}, alias: {'a.b': 'aa.bb'}});
+    t.equal(argv.a.b, 11);
+    t.equal(argv.aa.bb, 11);
+    t.end();
+});
+
+test('dotted default with no alias', function (t) {
+    var argv = parse('', {default: {'a.b': 11}});
+    t.equal(argv.a.b, 11);
+    t.end();
+});

+var parse = require('../');
+var test = require('tape');
+
+test('short -k=v' , function (t) {
+    t.plan(1);
+    
+    var argv = parse([ '-b=123' ]);
+    t.deepEqual(argv, { b: 123, _: [] });
+});
+
+test('multi short -k=v' , function (t) {
+    t.plan(1);
+    
+    var argv = parse([ '-a=whatever', '-b=robots' ]);
+    t.deepEqual(argv, { a: 'whatever', b: 'robots', _: [] });
+});

+var test = require('tape');
+var parse = require('../');
+
+test('long opts', function (t) {
+    t.deepEqual(
+        parse([ '--bool' ]),
+        { bool : true, _ : [] },
+        'long boolean'
+    );
+    t.deepEqual(
+        parse([ '--pow', 'xixxle' ]),
+        { pow : 'xixxle', _ : [] },
+        'long capture sp'
+    );
+    t.deepEqual(
+        parse([ '--pow=xixxle' ]),
+        { pow : 'xixxle', _ : [] },
+        'long capture eq'
+    );
+    t.deepEqual(
+        parse([ '--host', 'localhost', '--port', '555' ]),
+        { host : 'localhost', port : 555, _ : [] },
+        'long captures sp'
+    );
+    t.deepEqual(
+        parse([ '--host=localhost', '--port=555' ]),
+        { host : 'localhost', port : 555, _ : [] },
+        'long captures eq'
+    );
+    t.end();
+});

+var parse = require('../');
+var test = require('tape');
+
+test('nums', function (t) {
+    var argv = parse([
+        '-x', '1234',
+        '-y', '5.67',
+        '-z', '1e7',
+        '-w', '10f',
+        '--hex', '0xdeadbeef',
+        '789'
+    ]);
+    t.deepEqual(argv, {
+        x : 1234,
+        y : 5.67,
+        z : 1e7,
+        w : '10f',
+        hex : 0xdeadbeef,
+        _ : [ 789 ]
+    });
+    t.deepEqual(typeof argv.x, 'number');
+    t.deepEqual(typeof argv.y, 'number');
+    t.deepEqual(typeof argv.z, 'number');
+    t.deepEqual(typeof argv.w, 'string');
+    t.deepEqual(typeof argv.hex, 'number');
+    t.deepEqual(typeof argv._[0], 'number');
+    t.end();
+});
+
+test('already a number', function (t) {
+    var argv = parse([ '-x', 1234, 789 ]);
+    t.deepEqual(argv, { x : 1234, _ : [ 789 ] });
+    t.deepEqual(typeof argv.x, 'number');
+    t.deepEqual(typeof argv._[0], 'number');
+    t.end();
+});

+var parse = require('../');
+var test = require('tape');
+
+test('parse args', function (t) {
+    t.deepEqual(
+        parse([ '--no-moo' ]),
+        { moo : false, _ : [] },
+        'no'
+    );
+    t.deepEqual(
+        parse([ '-v', 'a', '-v', 'b', '-v', 'c' ]),
+        { v : ['a','b','c'], _ : [] },
+        'multi'
+    );
+    t.end();
+});
+ 
+test('comprehensive', function (t) {
+    t.deepEqual(
+        parse([
+            '--name=meowmers', 'bare', '-cats', 'woo',
+            '-h', 'awesome', '--multi=quux',
+            '--key', 'value',
+            '-b', '--bool', '--no-meep', '--multi=baz',
+            '--', '--not-a-flag', 'eek'
+        ]),
+        {
+            c : true,
+            a : true,
+            t : true,
+            s : 'woo',
+            h : 'awesome',
+            b : true,
+            bool : true,
+            key : 'value',
+            multi : [ 'quux', 'baz' ],
+            meep : false,
+            name : 'meowmers',
+            _ : [ 'bare', '--not-a-flag', 'eek' ]
+        }
+    );
+    t.end();
+});
+
+test('flag boolean', function (t) {
+    var argv = parse([ '-t', 'moo' ], { boolean: 't' });
+    t.deepEqual(argv, { t : true, _ : [ 'moo' ] });
+    t.deepEqual(typeof argv.t, 'boolean');
+    t.end();
+});
+
+test('flag boolean value', function (t) {
+    var argv = parse(['--verbose', 'false', 'moo', '-t', 'true'], {
+        boolean: [ 't', 'verbose' ],
+        default: { verbose: true }
+    });
+    
+    t.deepEqual(argv, {
+        verbose: false,
+        t: true,
+        _: ['moo']
+    });
+    
+    t.deepEqual(typeof argv.verbose, 'boolean');
+    t.deepEqual(typeof argv.t, 'boolean');
+    t.end();
+});
+
+test('newlines in params' , function (t) {
+    var args = parse([ '-s', "X\nX" ])
+    t.deepEqual(args, { _ : [], s : "X\nX" });
+    
+    // reproduce in bash:
+    // VALUE="new
+    // line"
+    // node program.js --s="$VALUE"
+    args = parse([ "--s=X\nX" ])
+    t.deepEqual(args, { _ : [], s : "X\nX" });
+    t.end();
+});
+
+test('strings' , function (t) {
+    var s = parse([ '-s', '0001234' ], { string: 's' }).s;
+    t.equal(s, '0001234');
+    t.equal(typeof s, 'string');
+    
+    var x = parse([ '-x', '56' ], { string: 'x' }).x;
+    t.equal(x, '56');
+    t.equal(typeof x, 'string');
+    t.end();
+});
+
+test('stringArgs', function (t) {
+    var s = parse([ '  ', '  ' ], { string: '_' })._;
+    t.same(s.length, 2);
+    t.same(typeof s[0], 'string');
+    t.same(s[0], '  ');
+    t.same(typeof s[1], 'string');
+    t.same(s[1], '  ');
+    t.end();
+});
+
+test('empty strings', function(t) {
+    var s = parse([ '-s' ], { string: 's' }).s;
+    t.equal(s, '');
+    t.equal(typeof s, 'string');
+
+    var str = parse([ '--str' ], { string: 'str' }).str;
+    t.equal(str, '');
+    t.equal(typeof str, 'string');
+
+    var letters = parse([ '-art' ], {
+        string: [ 'a', 't' ]
+    });
+
+    t.equal(letters.a, '');
+    t.equal(letters.r, true);
+    t.equal(letters.t, '');
+
+    t.end();
+});
+
+
+test('string and alias', function(t) {
+    var x = parse([ '--str',  '000123' ], {
+        string: 's',
+        alias: { s: 'str' }
+    });
+
+    t.equal(x.str, '000123');
+    t.equal(typeof x.str, 'string');
+    t.equal(x.s, '000123');
+    t.equal(typeof x.s, 'string');
+
+    var y = parse([ '-s',  '000123' ], {
+        string: 'str',
+        alias: { str: 's' }
+    });
+
+    t.equal(y.str, '000123');
+    t.equal(typeof y.str, 'string');
+    t.equal(y.s, '000123');
+    t.equal(typeof y.s, 'string');
+    t.end();
+});
+
+test('slashBreak', function (t) {
+    t.same(
+        parse([ '-I/foo/bar/baz' ]),
+        { I : '/foo/bar/baz', _ : [] }
+    );
+    t.same(
+        parse([ '-xyz/foo/bar/baz' ]),
+        { x : true, y : true, z : '/foo/bar/baz', _ : [] }
+    );
+    t.end();
+});
+
+test('alias', function (t) {
+    var argv = parse([ '-f', '11', '--zoom', '55' ], {
+        alias: { z: 'zoom' }
+    });
+    t.equal(argv.zoom, 55);
+    t.equal(argv.z, argv.zoom);
+    t.equal(argv.f, 11);
+    t.end();
+});
+
+test('multiAlias', function (t) {
+    var argv = parse([ '-f', '11', '--zoom', '55' ], {
+        alias: { z: [ 'zm', 'zoom' ] }
+    });
+    t.equal(argv.zoom, 55);
+    t.equal(argv.z, argv.zoom);
+    t.equal(argv.z, argv.zm);
+    t.equal(argv.f, 11);
+    t.end();
+});
+
+test('nested dotted objects', function (t) {
+    var argv = parse([
+        '--foo.bar', '3', '--foo.baz', '4',
+        '--foo.quux.quibble', '5', '--foo.quux.o_O',
+        '--beep.boop'
+    ]);
+    
+    t.same(argv.foo, {
+        bar : 3,
+        baz : 4,
+        quux : {
+            quibble : 5,
+            o_O : true
+        }
+    });
+    t.same(argv.beep, { boop : true });
+    t.end();
+});

+var parse = require('../');
+var test = require('tape');
+
+test('parse with modifier functions' , function (t) {
+    t.plan(1);
+    
+    var argv = parse([ '-b', '123' ], { boolean: 'b' });
+    t.deepEqual(argv, { b: true, _: [123] });
+});

+var parse = require('../');
+var test = require('tape');
+
+test('proto pollution', function (t) {
+    var argv = parse(['--__proto__.x','123']);
+    t.equal({}.x, undefined);
+    t.equal(argv.__proto__.x, undefined);
+    t.equal(argv.x, undefined);
+    t.end();
+});
+
+test('proto pollution (array)', function (t) {
+    var argv = parse(['--x','4','--x','5','--x.__proto__.z','789']);
+    t.equal({}.z, undefined);
+    t.deepEqual(argv.x, [4,5]);
+    t.equal(argv.x.z, undefined);
+    t.equal(argv.x.__proto__.z, undefined);
+    t.end();
+});
+
+test('proto pollution (number)', function (t) {
+    var argv = parse(['--x','5','--x.__proto__.z','100']);
+    t.equal({}.z, undefined);
+    t.equal((4).z, undefined);
+    t.equal(argv.x, 5);
+    t.equal(argv.x.z, undefined);
+    t.end();
+});
+
+test('proto pollution (string)', function (t) {
+    var argv = parse(['--x','abc','--x.__proto__.z','def']);
+    t.equal({}.z, undefined);
+    t.equal('...'.z, undefined);
+    t.equal(argv.x, 'abc');
+    t.equal(argv.x.z, undefined);
+    t.end();
+});
+
+test('proto pollution (constructor)', function (t) {
+    var argv = parse(['--constructor.prototype.y','123']);
+    t.equal({}.y, undefined);
+    t.equal(argv.y, undefined);
+    t.end();
+});

+var parse = require('../');
+var test = require('tape');
+
+test('numeric short args', function (t) {
+    t.plan(2);
+    t.deepEqual(parse([ '-n123' ]), { n: 123, _: [] });
+    t.deepEqual(
+        parse([ '-123', '456' ]),
+        { 1: true, 2: true, 3: 456, _: [] }
+    );
+});
+
+test('short', function (t) {
+    t.deepEqual(
+        parse([ '-b' ]),
+        { b : true, _ : [] },
+        'short boolean'
+    );
+    t.deepEqual(
+        parse([ 'foo', 'bar', 'baz' ]),
+        { _ : [ 'foo', 'bar', 'baz' ] },
+        'bare'
+    );
+    t.deepEqual(
+        parse([ '-cats' ]),
+        { c : true, a : true, t : true, s : true, _ : [] },
+        'group'
+    );
+    t.deepEqual(
+        parse([ '-cats', 'meow' ]),
+        { c : true, a : true, t : true, s : 'meow', _ : [] },
+        'short group next'
+    );
+    t.deepEqual(
+        parse([ '-h', 'localhost' ]),
+        { h : 'localhost', _ : [] },
+        'short capture'
+    );
+    t.deepEqual(
+        parse([ '-h', 'localhost', '-p', '555' ]),
+        { h : 'localhost', p : 555, _ : [] },
+        'short captures'
+    );
+    t.end();
+});
+ 
+test('mixed short bool and capture', function (t) {
+    t.same(
+        parse([ '-h', 'localhost', '-fp', '555', 'script.js' ]),
+        {
+            f : true, p : 555, h : 'localhost',
+            _ : [ 'script.js' ]
+        }
+    );
+    t.end();
+});
+ 
+test('short and long', function (t) {
+    t.deepEqual(
+        parse([ '-h', 'localhost', '-fp', '555', 'script.js' ]),
+        {
+            f : true, p : 555, h : 'localhost',
+            _ : [ 'script.js' ]
+        }
+    );
+    t.end();
+});

+var parse = require('../');
+var test = require('tape');
+
+test('stops parsing on the first non-option when stopEarly is set', function (t) {
+    var argv = parse(['--aaa', 'bbb', 'ccc', '--ddd'], {
+        stopEarly: true
+    });
+
+    t.deepEqual(argv, {
+        aaa: 'bbb',
+        _: ['ccc', '--ddd']
+    });
+
+    t.end();
+});

+var parse = require('../');
+var test = require('tape');
+
+test('boolean and alias is not unknown', function (t) {
+    var unknown = [];
+    function unknownFn(arg) {
+        unknown.push(arg);
+        return false;
+    }
+    var aliased = [ '-h', 'true', '--derp', 'true' ];
+    var regular = [ '--herp',  'true', '-d', 'true' ];
+    var opts = {
+        alias: { h: 'herp' },
+        boolean: 'h',
+        unknown: unknownFn
+    };
+    var aliasedArgv = parse(aliased, opts);
+    var propertyArgv = parse(regular, opts);
+
+    t.same(unknown, ['--derp', '-d']);
+    t.end();
+});
+
+test('flag boolean true any double hyphen argument is not unknown', function (t) {
+    var unknown = [];
+    function unknownFn(arg) {
+        unknown.push(arg);
+        return false;
+    }
+    var argv = parse(['--honk', '--tacos=good', 'cow', '-p', '55'], {
+        boolean: true,
+        unknown: unknownFn
+    });
+    t.same(unknown, ['--tacos=good', 'cow', '-p']);
+    t.same(argv, {
+        honk: true,
+        _: []
+    });
+    t.end();
+});
+
+test('string and alias is not unknown', function (t) {
+    var unknown = [];
+    function unknownFn(arg) {
+        unknown.push(arg);
+        return false;
+    }
+    var aliased = [ '-h', 'hello', '--derp', 'goodbye' ];
+    var regular = [ '--herp',  'hello', '-d', 'moon' ];
+    var opts = {
+        alias: { h: 'herp' },
+        string: 'h',
+        unknown: unknownFn
+    };
+    var aliasedArgv = parse(aliased, opts);
+    var propertyArgv = parse(regular, opts);
+
+    t.same(unknown, ['--derp', '-d']);
+    t.end();
+});
+
+test('default and alias is not unknown', function (t) {
+    var unknown = [];
+    function unknownFn(arg) {
+        unknown.push(arg);
+        return false;
+    }
+    var aliased = [ '-h', 'hello' ];
+    var regular = [ '--herp',  'hello' ];
+    var opts = {
+        default: { 'h': 'bar' },
+        alias: { 'h': 'herp' },
+        unknown: unknownFn
+    };
+    var aliasedArgv = parse(aliased, opts);
+    var propertyArgv = parse(regular, opts);
+
+    t.same(unknown, []);
+    t.end();
+    unknownFn(); // exercise fn for 100% coverage
+});
+
+test('value following -- is not unknown', function (t) {
+    var unknown = [];
+    function unknownFn(arg) {
+        unknown.push(arg);
+        return false;
+    }
+    var aliased = [ '--bad', '--', 'good', 'arg' ];
+    var opts = {
+        '--': true,
+        unknown: unknownFn
+    };
+    var argv = parse(aliased, opts);
+
+    t.same(unknown, ['--bad']);
+    t.same(argv, {
+        '--': ['good', 'arg'],
+        '_': []
+    })
+    t.end();
+});

+var parse = require('../');
+var test = require('tape');
+
+test('whitespace should be whitespace' , function (t) {
+    t.plan(1);
+    var x = parse([ '-x', '\t' ]).x;
+    t.equal(x, '\t');
+});

+Copyright 2010 James Halliday (mail@substack.net)
+
+This project is free software released under the MIT/X11 license:
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

+#!/usr/bin/env node
+
+var mkdirp = require('../');
+var minimist = require('minimist');
+var fs = require('fs');
+
+var argv = minimist(process.argv.slice(2), {
+    alias: { m: 'mode', h: 'help' },
+    string: [ 'mode' ]
+});
+if (argv.help) {
+    fs.createReadStream(__dirname + '/usage.txt').pipe(process.stdout);
+    return;
+}
+
+var paths = argv._.slice();
+var mode = argv.mode ? parseInt(argv.mode, 8) : undefined;
+
+(function next () {
+    if (paths.length === 0) return;
+    var p = paths.shift();
+    
+    if (mode === undefined) mkdirp(p, cb)
+    else mkdirp(p, mode, cb)
+    
+    function cb (err) {
+        if (err) {
+            console.error(err.message);
+            process.exit(1);
+        }
+        else next();
+    }
+})();

+usage: mkdirp [DIR1,DIR2..] {OPTIONS}
+
+  Create each supplied directory including any necessary parent directories that
+  don't yet exist.
+  
+  If the directory already exists, do nothing.
+
+OPTIONS are:
+
+  -m, --mode   If a directory needs to be created, set the mode as an octal
+               permission string.
+

+var path = require('path');
+var fs = require('fs');
+var _0777 = parseInt('0777', 8);
+
+module.exports = mkdirP.mkdirp = mkdirP.mkdirP = mkdirP;
+
+function mkdirP (p, opts, f, made) {
+    if (typeof opts === 'function') {
+        f = opts;
+        opts = {};
+    }
+    else if (!opts || typeof opts !== 'object') {
+        opts = { mode: opts };
+    }
+    
+    var mode = opts.mode;
+    var xfs = opts.fs || fs;
+    
+    if (mode === undefined) {
+        mode = _0777
+    }
+    if (!made) made = null;
+    
+    var cb = f || function () {};
+    p = path.resolve(p);
+    
+    xfs.mkdir(p, mode, function (er) {
+        if (!er) {
+            made = made || p;
+            return cb(null, made);
+        }
+        switch (er.code) {
+            case 'ENOENT':
+                if (path.dirname(p) === p) return cb(er);
+                mkdirP(path.dirname(p), opts, function (er, made) {
+                    if (er) cb(er, made);
+                    else mkdirP(p, opts, cb, made);
+                });
+                break;
+
+            // In the case of any other error, just see if there's a dir
+            // there already.  If so, then hooray!  If not, then something
+            // is borked.
+            default:
+                xfs.stat(p, function (er2, stat) {
+                    // if the stat fails, then that's super weird.
+                    // let the original error be the failure reason.
+                    if (er2 || !stat.isDirectory()) cb(er, made)
+                    else cb(null, made);
+                });
+                break;
+        }
+    });
+}
+
+mkdirP.sync = function sync (p, opts, made) {
+    if (!opts || typeof opts !== 'object') {
+        opts = { mode: opts };
+    }
+    
+    var mode = opts.mode;
+    var xfs = opts.fs || fs;
+    
+    if (mode === undefined) {
+        mode = _0777
+    }
+    if (!made) made = null;
+
+    p = path.resolve(p);
+
+    try {
+        xfs.mkdirSync(p, mode);
+        made = made || p;
+    }
+    catch (err0) {
+        switch (err0.code) {
+            case 'ENOENT' :
+                made = sync(path.dirname(p), opts, made);
+                sync(p, opts, made);
+                break;
+
+            // In the case of any other error, just see if there's a dir
+            // there already.  If so, then hooray!  If not, then something
+            // is borked.
+            default:
+                var stat;
+                try {
+                    stat = xfs.statSync(p);
+                }
+                catch (err1) {
+                    throw err0;
+                }
+                if (!stat.isDirectory()) throw err0;
+                break;
+        }
+    }
+
+    return made;
+};

+{
+  "_from": "mkdirp@^0.5.1",
+  "_id": "mkdirp@0.5.5",
+  "_inBundle": false,
+  "_integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
+  "_location": "/mkdirp",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "mkdirp@^0.5.1",
+    "name": "mkdirp",
+    "escapedName": "mkdirp",
+    "rawSpec": "^0.5.1",
+    "saveSpec": null,
+    "fetchSpec": "^0.5.1"
+  },
+  "_requiredBy": [
+    "/multer"
+  ],
+  "_resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
+  "_shasum": "d91cefd62d1436ca0f41620e251288d420099def",
+  "_spec": "mkdirp@^0.5.1",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\multer",
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "bin": {
+    "mkdirp": "bin/cmd.js"
+  },
+  "bugs": {
+    "url": "https://github.com/substack/node-mkdirp/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "minimist": "^1.2.5"
+  },
+  "deprecated": false,
+  "description": "Recursively mkdir, like `mkdir -p`",
+  "devDependencies": {
+    "mock-fs": "^3.7.0",
+    "tap": "^5.4.2"
+  },
+  "files": [
+    "bin",
+    "index.js"
+  ],
+  "homepage": "https://github.com/substack/node-mkdirp#readme",
+  "keywords": [
+    "mkdir",
+    "directory"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "name": "mkdirp",
+  "publishConfig": {
+    "tag": "legacy"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/substack/node-mkdirp.git"
+  },
+  "scripts": {
+    "test": "tap test/*.js"
+  },
+  "version": "0.5.5"
+}

+# mkdirp
+
+Like `mkdir -p`, but in node.js!
+
+[![build status](https://secure.travis-ci.org/substack/node-mkdirp.png)](http://travis-ci.org/substack/node-mkdirp)
+
+# example
+
+## pow.js
+
+```js
+var mkdirp = require('mkdirp');
+    
+mkdirp('/tmp/foo/bar/baz', function (err) {
+    if (err) console.error(err)
+    else console.log('pow!')
+});
+```
+
+Output
+
+```
+pow!
+```
+
+And now /tmp/foo/bar/baz exists, huzzah!
+
+# methods
+
+```js
+var mkdirp = require('mkdirp');
+```
+
+## mkdirp(dir, opts, cb)
+
+Create a new directory and any necessary subdirectories at `dir` with octal
+permission string `opts.mode`. If `opts` is a non-object, it will be treated as
+the `opts.mode`.
+
+If `opts.mode` isn't specified, it defaults to `0777`.
+
+`cb(err, made)` fires with the error or the first directory `made`
+that had to be created, if any.
+
+You can optionally pass in an alternate `fs` implementation by passing in
+`opts.fs`. Your implementation should have `opts.fs.mkdir(path, mode, cb)` and
+`opts.fs.stat(path, cb)`.
+
+## mkdirp.sync(dir, opts)
+
+Synchronously create a new directory and any necessary subdirectories at `dir`
+with octal permission string `opts.mode`. If `opts` is a non-object, it will be
+treated as the `opts.mode`.
+
+If `opts.mode` isn't specified, it defaults to `0777`.
+
+Returns the first directory that had to be created, if any.
+
+You can optionally pass in an alternate `fs` implementation by passing in
+`opts.fs`. Your implementation should have `opts.fs.mkdirSync(path, mode)` and
+`opts.fs.statSync(path)`.
+
+# usage
+
+This package also ships with a `mkdirp` command.
+
+```
+usage: mkdirp [DIR1,DIR2..] {OPTIONS}
+
+  Create each supplied directory including any necessary parent directories that
+  don't yet exist.
+  
+  If the directory already exists, do nothing.
+
+OPTIONS are:
+
+  -m, --mode   If a directory needs to be created, set the mode as an octal
+               permission string.
+
+```
+
+# install
+
+With [npm](http://npmjs.org) do:
+
+```
+npm install mkdirp
+```
+
+to get the library, or
+
+```
+npm install -g mkdirp
+```
+
+to get the command.
+
+# license
+
+MIT

-const express = require('express');
-const speech = require('@google-cloud/speech');
-const app = express();
-app.use(express.json());
-const project_id = "ace-sight-314313"
-const port = `https://speech.googleapis.com/v1p1beta1/projects/${project_id}/locations/global/phraseSets`
-
-const usage = `curl -X POST -H "Authorization: Bearer $(gcloud auth-impersonate-service-account=$SA_EMAIL print-access-token)" -H` +    '"Content-Type: application/json; charset=utf-8"' +
-    `"https://speech.googleapis.com/v1p1beta1/projects/${project_id}/locations/global/phraseSets"` +
-    '-d "{"phraseSetId": "test-phrase-set-1"}"'
-
-app.post('', function(req, res){
-    res.send(usage)
-})
\ No newline at end of file

+# Change log
+
+All notable changes to this project will be documented in this file.
+This project adheres to [Semantic Versioning](http://semver.org/).
+
+## 1.4.2 - 2019-07-16
+
+- Docs: Add Russian translation for README (#662)
+- Docs: Patch zh-CN README base on newest README (#670)
+- Docs: Fix broken link in Readme (#679)
+- Docs: Fix broken link in Chinese Readme (#730)
+- Docs: Fix typo in Russian README (#738)
+- Docs: Add unit for fieldSize in busboy limit params (#734)
+- Internal: Make unit tests comaptible with Node.js 13.x (#752)
+
+## 1.4.1 - 2018-10-11
+
+- Bugfix: Make sure that req.file.buffer always is a Buffer
+
+## 1.4.0 - 2018-09-26
+
+- Feature: Make Multer errors inherit from MulterError
+
+## 1.3.1 - 2018-06-28
+
+- Bugfix: Bump vulnerable dependency
+
+## 1.3.0 - 2017-01-25
+
+- Feature: Expose preservePath option
+
+## 1.2.1 - 2016-12-14
+
+- Bugfix: Prevent Multiple Errors from Crashing
+
+## 1.2.0 - 2016-08-04
+
+- Feature: add .none() for accepting only fields
+
+## 1.1.0 - 2015-10-23
+
+- Feature: accept any file, regardless of fieldname
+
+## 1.0.6 - 2015-10-03
+
+- Bugfix: always report limit errors
+
+## 1.0.5 - 2015-09-19
+
+- Bugfix: drain the stream before considering request done
+
+## 1.0.4 - 2015-09-19
+
+- Bugfix: propagate all errors from busboy
+
+## 1.0.3 - 2015-08-06
+
+- Bugfix: ensure file order is correct
+
+## 1.0.2 - 2015-08-06
+
+- Bugfix: don't hang when hitting size limit
+
+## 1.0.1 - 2015-07-20
+
+- Bugfix: decrement pending writes on error
+
+## 1.0.0 - 2015-07-18
+
+- Introduce storage engines
+- Specify expected fields
+- Follow the W3C JSON form spec

+Copyright (c) 2014 Hage Yaapa <[http://www.hacksparrow.com](http://www.hacksparrow.com)>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

+# Multer [![Build Status](https://travis-ci.org/expressjs/multer.svg?branch=master)](https://travis-ci.org/expressjs/multer) [![NPM version](https://badge.fury.io/js/multer.svg)](https://badge.fury.io/js/multer) [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat)](https://github.com/feross/standard)
+
+Multer is a node.js middleware for handling `multipart/form-data`, which is primarily used for uploading files. It is written
+on top of [busboy](https://github.com/mscdex/busboy) for maximum efficiency.
+
+**NOTE**: Multer will not process any form which is not multipart (`multipart/form-data`).
+
+## Translations 
+
+This README is also available in other languages:
+
+- [简体中文](https://github.com/expressjs/multer/blob/master/doc/README-zh-cn.md) (Chinese)
+- [한국어](https://github.com/expressjs/multer/blob/master/doc/README-ko.md) (Korean)
+- [Русский язык](https://github.com/expressjs/multer/blob/master/doc/README-ru.md) (Russian)
+
+## Installation
+
+```sh
+$ npm install --save multer
+```
+
+## Usage
+
+Multer adds a `body` object and a `file` or `files` object to the `request` object. The `body` object contains the values of the text fields of the form, the `file` or `files` object contains the files uploaded via the form.
+
+Basic usage example:
+
+Don't forget the `enctype="multipart/form-data"` in your form.
+
+```html
+<form action="/profile" method="post" enctype="multipart/form-data">
+  <input type="file" name="avatar" />
+</form>
+```
+
+```javascript
+var express = require('express')
+var multer  = require('multer')
+var upload = multer({ dest: 'uploads/' })
+
+var app = express()
+
+app.post('/profile', upload.single('avatar'), function (req, res, next) {
+  // req.file is the `avatar` file
+  // req.body will hold the text fields, if there were any
+})
+
+app.post('/photos/upload', upload.array('photos', 12), function (req, res, next) {
+  // req.files is array of `photos` files
+  // req.body will contain the text fields, if there were any
+})
+
+var cpUpload = upload.fields([{ name: 'avatar', maxCount: 1 }, { name: 'gallery', maxCount: 8 }])
+app.post('/cool-profile', cpUpload, function (req, res, next) {
+  // req.files is an object (String -> Array) where fieldname is the key, and the value is array of files
+  //
+  // e.g.
+  //  req.files['avatar'][0] -> File
+  //  req.files['gallery'] -> Array
+  //
+  // req.body will contain the text fields, if there were any
+})
+```
+
+In case you need to handle a text-only multipart form, you should use the `.none()` method:
+
+```javascript
+var express = require('express')
+var app = express()
+var multer  = require('multer')
+var upload = multer()
+
+app.post('/profile', upload.none(), function (req, res, next) {
+  // req.body contains the text fields
+})
+```
+
+## API
+
+### File information
+
+Each file contains the following information:
+
+Key | Description | Note
+--- | --- | ---
+`fieldname` | Field name specified in the form |
+`originalname` | Name of the file on the user's computer |
+`encoding` | Encoding type of the file |
+`mimetype` | Mime type of the file |
+`size` | Size of the file in bytes |
+`destination` | The folder to which the file has been saved | `DiskStorage`
+`filename` | The name of the file within the `destination` | `DiskStorage`
+`path` | The full path to the uploaded file | `DiskStorage`
+`buffer` | A `Buffer` of the entire file | `MemoryStorage`
+
+### `multer(opts)`
+
+Multer accepts an options object, the most basic of which is the `dest`
+property, which tells Multer where to upload the files. In case you omit the
+options object, the files will be kept in memory and never written to disk.
+
+By default, Multer will rename the files so as to avoid naming conflicts. The
+renaming function can be customized according to your needs.
+
+The following are the options that can be passed to Multer.
+
+Key | Description
+--- | ---
+`dest` or `storage` | Where to store the files
+`fileFilter` | Function to control which files are accepted
+`limits` | Limits of the uploaded data
+`preservePath` | Keep the full path of files instead of just the base name
+
+In an average web app, only `dest` might be required, and configured as shown in
+the following example.
+
+```javascript
+var upload = multer({ dest: 'uploads/' })
+```
+
+If you want more control over your uploads, you'll want to use the `storage`
+option instead of `dest`. Multer ships with storage engines `DiskStorage`
+and `MemoryStorage`; More engines are available from third parties.
+
+#### `.single(fieldname)`
+
+Accept a single file with the name `fieldname`. The single file will be stored
+in `req.file`.
+
+#### `.array(fieldname[, maxCount])`
+
+Accept an array of files, all with the name `fieldname`. Optionally error out if
+more than `maxCount` files are uploaded. The array of files will be stored in
+`req.files`.
+
+#### `.fields(fields)`
+
+Accept a mix of files, specified by `fields`. An object with arrays of files
+will be stored in `req.files`.
+
+`fields` should be an array of objects with `name` and optionally a `maxCount`.
+Example:
+
+```javascript
+[
+  { name: 'avatar', maxCount: 1 },
+  { name: 'gallery', maxCount: 8 }
+]
+```
+
+#### `.none()`
+
+Accept only text fields. If any file upload is made, error with code
+"LIMIT\_UNEXPECTED\_FILE" will be issued.
+
+#### `.any()`
+
+Accepts all files that comes over the wire. An array of files will be stored in
+`req.files`.
+
+**WARNING:** Make sure that you always handle the files that a user uploads.
+Never add multer as a global middleware since a malicious user could upload
+files to a route that you didn't anticipate. Only use this function on routes
+where you are handling the uploaded files.
+
+### `storage`
+
+#### `DiskStorage`
+
+The disk storage engine gives you full control on storing files to disk.
+
+```javascript
+var storage = multer.diskStorage({
+  destination: function (req, file, cb) {
+    cb(null, '/tmp/my-uploads')
+  },
+  filename: function (req, file, cb) {
+    cb(null, file.fieldname + '-' + Date.now())
+  }
+})
+
+var upload = multer({ storage: storage })
+```
+
+There are two options available, `destination` and `filename`. They are both
+functions that determine where the file should be stored.
+
+`destination` is used to determine within which folder the uploaded files should
+be stored. This can also be given as a `string` (e.g. `'/tmp/uploads'`). If no
+`destination` is given, the operating system's default directory for temporary
+files is used.
+
+**Note:** You are responsible for creating the directory when providing
+`destination` as a function. When passing a string, multer will make sure that
+the directory is created for you.
+
+`filename` is used to determine what the file should be named inside the folder.
+If no `filename` is given, each file will be given a random name that doesn't
+include any file extension.
+
+**Note:** Multer will not append any file extension for you, your function
+should return a filename complete with an file extension.
+
+Each function gets passed both the request (`req`) and some information about
+the file (`file`) to aid with the decision.
+
+Note that `req.body` might not have been fully populated yet. It depends on the
+order that the client transmits fields and files to the server.
+
+#### `MemoryStorage`
+
+The memory storage engine stores the files in memory as `Buffer` objects. It
+doesn't have any options.
+
+```javascript
+var storage = multer.memoryStorage()
+var upload = multer({ storage: storage })
+```
+
+When using memory storage, the file info will contain a field called
+`buffer` that contains the entire file.
+
+**WARNING**: Uploading very large files, or relatively small files in large
+numbers very quickly, can cause your application to run out of memory when
+memory storage is used.
+
+### `limits`
+
+An object specifying the size limits of the following optional properties. Multer passes this object into busboy directly, and the details of the properties can be found on [busboy's page](https://github.com/mscdex/busboy#busboy-methods).
+
+The following integer values are available:
+
+Key | Description | Default
+--- | --- | ---
+`fieldNameSize` | Max field name size | 100 bytes
+`fieldSize` | Max field value size (in bytes) | 1MB
+`fields` | Max number of non-file fields | Infinity
+`fileSize` | For multipart forms, the max file size (in bytes) | Infinity
+`files` | For multipart forms, the max number of file fields | Infinity
+`parts` | For multipart forms, the max number of parts (fields + files) | Infinity
+`headerPairs` | For multipart forms, the max number of header key=>value pairs to parse | 2000
+
+Specifying the limits can help protect your site against denial of service (DoS) attacks.
+
+### `fileFilter`
+
+Set this to a function to control which files should be uploaded and which
+should be skipped. The function should look like this:
+
+```javascript
+function fileFilter (req, file, cb) {
+
+  // The function should call `cb` with a boolean
+  // to indicate if the file should be accepted
+
+  // To reject this file pass `false`, like so:
+  cb(null, false)
+
+  // To accept the file pass `true`, like so:
+  cb(null, true)
+
+  // You can always pass an error if something goes wrong:
+  cb(new Error('I don\'t have a clue!'))
+
+}
+```
+
+## Error handling
+
+When encountering an error, Multer will delegate the error to Express. You can
+display a nice error page using [the standard express way](http://expressjs.com/guide/error-handling.html).
+
+If you want to catch errors specifically from Multer, you can call the
+middleware function by yourself. Also, if you want to catch only [the Multer errors](https://github.com/expressjs/multer/blob/master/lib/multer-error.js), you can use the `MulterError` class that is attached to the `multer` object itself (e.g. `err instanceof multer.MulterError`).
+
+```javascript
+var multer = require('multer')
+var upload = multer().single('avatar')
+
+app.post('/profile', function (req, res) {
+  upload(req, res, function (err) {
+    if (err instanceof multer.MulterError) {
+      // A Multer error occurred when uploading.
+    } else if (err) {
+      // An unknown error occurred when uploading.
+    }
+
+    // Everything went fine.
+  })
+})
+```
+
+## Custom storage engine
+
+For information on how to build your own storage engine, see [Multer Storage Engine](https://github.com/expressjs/multer/blob/master/StorageEngine.md).
+
+## License
+
+[MIT](LICENSE)

+var makeMiddleware = require('./lib/make-middleware')
+
+var diskStorage = require('./storage/disk')
+var memoryStorage = require('./storage/memory')
+var MulterError = require('./lib/multer-error')
+
+function allowAll (req, file, cb) {
+  cb(null, true)
+}
+
+function Multer (options) {
+  if (options.storage) {
+    this.storage = options.storage
+  } else if (options.dest) {
+    this.storage = diskStorage({ destination: options.dest })
+  } else {
+    this.storage = memoryStorage()
+  }
+
+  this.limits = options.limits
+  this.preservePath = options.preservePath
+  this.fileFilter = options.fileFilter || allowAll
+}
+
+Multer.prototype._makeMiddleware = function (fields, fileStrategy) {
+  function setup () {
+    var fileFilter = this.fileFilter
+    var filesLeft = Object.create(null)
+
+    fields.forEach(function (field) {
+      if (typeof field.maxCount === 'number') {
+        filesLeft[field.name] = field.maxCount
+      } else {
+        filesLeft[field.name] = Infinity
+      }
+    })
+
+    function wrappedFileFilter (req, file, cb) {
+      if ((filesLeft[file.fieldname] || 0) <= 0) {
+        return cb(new MulterError('LIMIT_UNEXPECTED_FILE', file.fieldname))
+      }
+
+      filesLeft[file.fieldname] -= 1
+      fileFilter(req, file, cb)
+    }
+
+    return {
+      limits: this.limits,
+      preservePath: this.preservePath,
+      storage: this.storage,
+      fileFilter: wrappedFileFilter,
+      fileStrategy: fileStrategy
+    }
+  }
+
+  return makeMiddleware(setup.bind(this))
+}
+
+Multer.prototype.single = function (name) {
+  return this._makeMiddleware([{ name: name, maxCount: 1 }], 'VALUE')
+}
+
+Multer.prototype.array = function (name, maxCount) {
+  return this._makeMiddleware([{ name: name, maxCount: maxCount }], 'ARRAY')
+}
+
+Multer.prototype.fields = function (fields) {
+  return this._makeMiddleware(fields, 'OBJECT')
+}
+
+Multer.prototype.none = function () {
+  return this._makeMiddleware([], 'NONE')
+}
+
+Multer.prototype.any = function () {
+  function setup () {
+    return {
+      limits: this.limits,
+      preservePath: this.preservePath,
+      storage: this.storage,
+      fileFilter: this.fileFilter,
+      fileStrategy: 'ARRAY'
+    }
+  }
+
+  return makeMiddleware(setup.bind(this))
+}
+
+function multer (options) {
+  if (options === undefined) {
+    return new Multer({})
+  }
+
+  if (typeof options === 'object' && options !== null) {
+    return new Multer(options)
+  }
+
+  throw new TypeError('Expected object for argument options')
+}
+
+module.exports = multer
+module.exports.diskStorage = diskStorage
+module.exports.memoryStorage = memoryStorage
+module.exports.MulterError = MulterError

+var EventEmitter = require('events').EventEmitter
+
+function Counter () {
+  EventEmitter.call(this)
+  this.value = 0
+}
+
+Counter.prototype = Object.create(EventEmitter.prototype)
+
+Counter.prototype.increment = function increment () {
+  this.value++
+}
+
+Counter.prototype.decrement = function decrement () {
+  if (--this.value === 0) this.emit('zero')
+}
+
+Counter.prototype.isZero = function isZero () {
+  return (this.value === 0)
+}
+
+Counter.prototype.onceZero = function onceZero (fn) {
+  if (this.isZero()) return fn()
+
+  this.once('zero', fn)
+}
+
+module.exports = Counter

+var objectAssign = require('object-assign')
+
+function arrayRemove (arr, item) {
+  var idx = arr.indexOf(item)
+  if (~idx) arr.splice(idx, 1)
+}
+
+function FileAppender (strategy, req) {
+  this.strategy = strategy
+  this.req = req
+
+  switch (strategy) {
+    case 'NONE': break
+    case 'VALUE': break
+    case 'ARRAY': req.files = []; break
+    case 'OBJECT': req.files = Object.create(null); break
+    default: throw new Error('Unknown file strategy: ' + strategy)
+  }
+}
+
+FileAppender.prototype.insertPlaceholder = function (file) {
+  var placeholder = {
+    fieldname: file.fieldname
+  }
+
+  switch (this.strategy) {
+    case 'NONE': break
+    case 'VALUE': break
+    case 'ARRAY': this.req.files.push(placeholder); break
+    case 'OBJECT':
+      if (this.req.files[file.fieldname]) {
+        this.req.files[file.fieldname].push(placeholder)
+      } else {
+        this.req.files[file.fieldname] = [placeholder]
+      }
+      break
+  }
+
+  return placeholder
+}
+
+FileAppender.prototype.removePlaceholder = function (placeholder) {
+  switch (this.strategy) {
+    case 'NONE': break
+    case 'VALUE': break
+    case 'ARRAY': arrayRemove(this.req.files, placeholder); break
+    case 'OBJECT':
+      if (this.req.files[placeholder.fieldname].length === 1) {
+        delete this.req.files[placeholder.fieldname]
+      } else {
+        arrayRemove(this.req.files[placeholder.fieldname], placeholder)
+      }
+      break
+  }
+}
+
+FileAppender.prototype.replacePlaceholder = function (placeholder, file) {
+  if (this.strategy === 'VALUE') {
+    this.req.file = file
+    return
+  }
+
+  delete placeholder.fieldname
+  objectAssign(placeholder, file)
+}
+
+module.exports = FileAppender

+var is = require('type-is')
+var Busboy = require('busboy')
+var extend = require('xtend')
+var onFinished = require('on-finished')
+var appendField = require('append-field')
+
+var Counter = require('./counter')
+var MulterError = require('./multer-error')
+var FileAppender = require('./file-appender')
+var removeUploadedFiles = require('./remove-uploaded-files')
+
+function drainStream (stream) {
+  stream.on('readable', stream.read.bind(stream))
+}
+
+function makeMiddleware (setup) {
+  return function multerMiddleware (req, res, next) {
+    if (!is(req, ['multipart'])) return next()
+
+    var options = setup()
+
+    var limits = options.limits
+    var storage = options.storage
+    var fileFilter = options.fileFilter
+    var fileStrategy = options.fileStrategy
+    var preservePath = options.preservePath
+
+    req.body = Object.create(null)
+
+    var busboy
+
+    try {
+      busboy = new Busboy({ headers: req.headers, limits: limits, preservePath: preservePath })
+    } catch (err) {
+      return next(err)
+    }
+
+    var appender = new FileAppender(fileStrategy, req)
+    var isDone = false
+    var readFinished = false
+    var errorOccured = false
+    var pendingWrites = new Counter()
+    var uploadedFiles = []
+
+    function done (err) {
+      if (isDone) return
+      isDone = true
+
+      req.unpipe(busboy)
+      drainStream(req)
+      busboy.removeAllListeners()
+
+      onFinished(req, function () { next(err) })
+    }
+
+    function indicateDone () {
+      if (readFinished && pendingWrites.isZero() && !errorOccured) done()
+    }
+
+    function abortWithError (uploadError) {
+      if (errorOccured) return
+      errorOccured = true
+
+      pendingWrites.onceZero(function () {
+        function remove (file, cb) {
+          storage._removeFile(req, file, cb)
+        }
+
+        removeUploadedFiles(uploadedFiles, remove, function (err, storageErrors) {
+          if (err) return done(err)
+
+          uploadError.storageErrors = storageErrors
+          done(uploadError)
+        })
+      })
+    }
+
+    function abortWithCode (code, optionalField) {
+      abortWithError(new MulterError(code, optionalField))
+    }
+
+    // handle text field data
+    busboy.on('field', function (fieldname, value, fieldnameTruncated, valueTruncated) {
+      if (fieldnameTruncated) return abortWithCode('LIMIT_FIELD_KEY')
+      if (valueTruncated) return abortWithCode('LIMIT_FIELD_VALUE', fieldname)
+
+      // Work around bug in Busboy (https://github.com/mscdex/busboy/issues/6)
+      if (limits && limits.hasOwnProperty('fieldNameSize')) {
+        if (fieldname.length > limits.fieldNameSize) return abortWithCode('LIMIT_FIELD_KEY')
+      }
+
+      appendField(req.body, fieldname, value)
+    })
+
+    // handle files
+    busboy.on('file', function (fieldname, fileStream, filename, encoding, mimetype) {
+      // don't attach to the files object, if there is no file
+      if (!filename) return fileStream.resume()
+
+      // Work around bug in Busboy (https://github.com/mscdex/busboy/issues/6)
+      if (limits && limits.hasOwnProperty('fieldNameSize')) {
+        if (fieldname.length > limits.fieldNameSize) return abortWithCode('LIMIT_FIELD_KEY')
+      }
+
+      var file = {
+        fieldname: fieldname,
+        originalname: filename,
+        encoding: encoding,
+        mimetype: mimetype
+      }
+
+      var placeholder = appender.insertPlaceholder(file)
+
+      fileFilter(req, file, function (err, includeFile) {
+        if (err) {
+          appender.removePlaceholder(placeholder)
+          return abortWithError(err)
+        }
+
+        if (!includeFile) {
+          appender.removePlaceholder(placeholder)
+          return fileStream.resume()
+        }
+
+        var aborting = false
+        pendingWrites.increment()
+
+        Object.defineProperty(file, 'stream', {
+          configurable: true,
+          enumerable: false,
+          value: fileStream
+        })
+
+        fileStream.on('error', function (err) {
+          pendingWrites.decrement()
+          abortWithError(err)
+        })
+
+        fileStream.on('limit', function () {
+          aborting = true
+          abortWithCode('LIMIT_FILE_SIZE', fieldname)
+        })
+
+        storage._handleFile(req, file, function (err, info) {
+          if (aborting) {
+            appender.removePlaceholder(placeholder)
+            uploadedFiles.push(extend(file, info))
+            return pendingWrites.decrement()
+          }
+
+          if (err) {
+            appender.removePlaceholder(placeholder)
+            pendingWrites.decrement()
+            return abortWithError(err)
+          }
+
+          var fileInfo = extend(file, info)
+
+          appender.replacePlaceholder(placeholder, fileInfo)
+          uploadedFiles.push(fileInfo)
+          pendingWrites.decrement()
+          indicateDone()
+        })
+      })
+    })
+
+    busboy.on('error', function (err) { abortWithError(err) })
+    busboy.on('partsLimit', function () { abortWithCode('LIMIT_PART_COUNT') })
+    busboy.on('filesLimit', function () { abortWithCode('LIMIT_FILE_COUNT') })
+    busboy.on('fieldsLimit', function () { abortWithCode('LIMIT_FIELD_COUNT') })
+    busboy.on('finish', function () {
+      readFinished = true
+      indicateDone()
+    })
+
+    req.pipe(busboy)
+  }
+}
+
+module.exports = makeMiddleware

+var util = require('util')
+
+var errorMessages = {
+  'LIMIT_PART_COUNT': 'Too many parts',
+  'LIMIT_FILE_SIZE': 'File too large',
+  'LIMIT_FILE_COUNT': 'Too many files',
+  'LIMIT_FIELD_KEY': 'Field name too long',
+  'LIMIT_FIELD_VALUE': 'Field value too long',
+  'LIMIT_FIELD_COUNT': 'Too many fields',
+  'LIMIT_UNEXPECTED_FILE': 'Unexpected field'
+}
+
+function MulterError (code, field) {
+  Error.captureStackTrace(this, this.constructor)
+  this.name = this.constructor.name
+  this.message = errorMessages[code]
+  this.code = code
+  if (field) this.field = field
+}
+
+util.inherits(MulterError, Error)
+
+module.exports = MulterError

+function removeUploadedFiles (uploadedFiles, remove, cb) {
+  var length = uploadedFiles.length
+  var errors = []
+
+  if (length === 0) return cb(null, errors)
+
+  function handleFile (idx) {
+    var file = uploadedFiles[idx]
+
+    remove(file, function (err) {
+      if (err) {
+        err.file = file
+        err.field = file.fieldname
+        errors.push(err)
+      }
+
+      if (idx < length - 1) {
+        handleFile(idx + 1)
+      } else {
+        cb(null, errors)
+      }
+    })
+  }
+
+  handleFile(0)
+}
+
+module.exports = removeUploadedFiles

+{
+  "_from": "multer",
+  "_id": "multer@1.4.2",
+  "_inBundle": false,
+  "_integrity": "sha512-xY8pX7V+ybyUpbYMxtjM9KAiD9ixtg5/JkeKUTD6xilfDv0vzzOFcCp4Ljb1UU3tSOM3VTZtKo63OmzOrGi3Cg==",
+  "_location": "/multer",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "tag",
+    "registry": true,
+    "raw": "multer",
+    "name": "multer",
+    "escapedName": "multer",
+    "rawSpec": "",
+    "saveSpec": null,
+    "fetchSpec": "latest"
+  },
+  "_requiredBy": [
+    "#USER",
+    "/"
+  ],
+  "_resolved": "https://registry.npmjs.org/multer/-/multer-1.4.2.tgz",
+  "_shasum": "2f1f4d12dbaeeba74cb37e623f234bf4d3d2057a",
+  "_spec": "multer",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding",
+  "bugs": {
+    "url": "https://github.com/expressjs/multer/issues"
+  },
+  "bundleDependencies": false,
+  "contributors": [
+    {
+      "name": "Hage Yaapa",
+      "email": "captain@hacksparrow.com",
+      "url": "http://www.hacksparrow.com"
+    },
+    {
+      "name": "Jaret Pfluger",
+      "email": "https://github.com/jpfluger"
+    },
+    {
+      "name": "Linus Unnebäck",
+      "email": "linus@folkdatorn.se"
+    }
+  ],
+  "dependencies": {
+    "append-field": "^1.0.0",
+    "busboy": "^0.2.11",
+    "concat-stream": "^1.5.2",
+    "mkdirp": "^0.5.1",
+    "object-assign": "^4.1.1",
+    "on-finished": "^2.3.0",
+    "type-is": "^1.6.4",
+    "xtend": "^4.0.0"
+  },
+  "deprecated": false,
+  "description": "Middleware for handling `multipart/form-data`.",
+  "devDependencies": {
+    "express": "^4.13.1",
+    "form-data": "^1.0.0-rc1",
+    "fs-temp": "^1.1.2",
+    "mocha": "^3.5.3",
+    "rimraf": "^2.4.1",
+    "standard": "^11.0.1",
+    "testdata-w3c-json-form": "^1.0.0"
+  },
+  "engines": {
+    "node": ">= 0.10.0"
+  },
+  "files": [
+    "LICENSE",
+    "index.js",
+    "storage/",
+    "lib/"
+  ],
+  "homepage": "https://github.com/expressjs/multer#readme",
+  "keywords": [
+    "form",
+    "post",
+    "multipart",
+    "form-data",
+    "formdata",
+    "express",
+    "middleware"
+  ],
+  "license": "MIT",
+  "name": "multer",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/expressjs/multer.git"
+  },
+  "scripts": {
+    "test": "standard && mocha"
+  },
+  "version": "1.4.2"
+}

+var fs = require('fs')
+var os = require('os')
+var path = require('path')
+var crypto = require('crypto')
+var mkdirp = require('mkdirp')
+
+function getFilename (req, file, cb) {
+  crypto.pseudoRandomBytes(16, function (err, raw) {
+    cb(err, err ? undefined : raw.toString('hex'))
+  })
+}
+
+function getDestination (req, file, cb) {
+  cb(null, os.tmpdir())
+}
+
+function DiskStorage (opts) {
+  this.getFilename = (opts.filename || getFilename)
+
+  if (typeof opts.destination === 'string') {
+    mkdirp.sync(opts.destination)
+    this.getDestination = function ($0, $1, cb) { cb(null, opts.destination) }
+  } else {
+    this.getDestination = (opts.destination || getDestination)
+  }
+}
+
+DiskStorage.prototype._handleFile = function _handleFile (req, file, cb) {
+  var that = this
+
+  that.getDestination(req, file, function (err, destination) {
+    if (err) return cb(err)
+
+    that.getFilename(req, file, function (err, filename) {
+      if (err) return cb(err)
+
+      var finalPath = path.join(destination, filename)
+      var outStream = fs.createWriteStream(finalPath)
+
+      file.stream.pipe(outStream)
+      outStream.on('error', cb)
+      outStream.on('finish', function () {
+        cb(null, {
+          destination: destination,
+          filename: filename,
+          path: finalPath,
+          size: outStream.bytesWritten
+        })
+      })
+    })
+  })
+}
+
+DiskStorage.prototype._removeFile = function _removeFile (req, file, cb) {
+  var path = file.path
+
+  delete file.destination
+  delete file.filename
+  delete file.path
+
+  fs.unlink(path, cb)
+}
+
+module.exports = function (opts) {
+  return new DiskStorage(opts)
+}

+var concat = require('concat-stream')
+
+function MemoryStorage (opts) {}
+
+MemoryStorage.prototype._handleFile = function _handleFile (req, file, cb) {
+  file.stream.pipe(concat({ encoding: 'buffer' }, function (data) {
+    cb(null, {
+      buffer: data,
+      size: data.length
+    })
+  }))
+}
+
+MemoryStorage.prototype._removeFile = function _removeFile (req, file, cb) {
+  delete file.buffer
+  cb(null)
+}
+
+module.exports = function (opts) {
+  return new MemoryStorage(opts)
+}

+/*
+object-assign
+(c) Sindre Sorhus
+@license MIT
+*/
+
+'use strict';
+/* eslint-disable no-unused-vars */
+var getOwnPropertySymbols = Object.getOwnPropertySymbols;
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+var propIsEnumerable = Object.prototype.propertyIsEnumerable;
+
+function toObject(val) {
+	if (val === null || val === undefined) {
+		throw new TypeError('Object.assign cannot be called with null or undefined');
+	}
+
+	return Object(val);
+}
+
+function shouldUseNative() {
+	try {
+		if (!Object.assign) {
+			return false;
+		}
+
+		// Detect buggy property enumeration order in older V8 versions.
+
+		// https://bugs.chromium.org/p/v8/issues/detail?id=4118
+		var test1 = new String('abc');  // eslint-disable-line no-new-wrappers
+		test1[5] = 'de';
+		if (Object.getOwnPropertyNames(test1)[0] === '5') {
+			return false;
+		}
+
+		// https://bugs.chromium.org/p/v8/issues/detail?id=3056
+		var test2 = {};
+		for (var i = 0; i < 10; i++) {
+			test2['_' + String.fromCharCode(i)] = i;
+		}
+		var order2 = Object.getOwnPropertyNames(test2).map(function (n) {
+			return test2[n];
+		});
+		if (order2.join('') !== '0123456789') {
+			return false;
+		}
+
+		// https://bugs.chromium.org/p/v8/issues/detail?id=3056
+		var test3 = {};
+		'abcdefghijklmnopqrst'.split('').forEach(function (letter) {
+			test3[letter] = letter;
+		});
+		if (Object.keys(Object.assign({}, test3)).join('') !==
+				'abcdefghijklmnopqrst') {
+			return false;
+		}
+
+		return true;
+	} catch (err) {
+		// We don't expect any of the above to throw, but better to be safe.
+		return false;
+	}
+}
+
+module.exports = shouldUseNative() ? Object.assign : function (target, source) {
+	var from;
+	var to = toObject(target);
+	var symbols;
+
+	for (var s = 1; s < arguments.length; s++) {
+		from = Object(arguments[s]);
+
+		for (var key in from) {
+			if (hasOwnProperty.call(from, key)) {
+				to[key] = from[key];
+			}
+		}
+
+		if (getOwnPropertySymbols) {
+			symbols = getOwnPropertySymbols(from);
+			for (var i = 0; i < symbols.length; i++) {
+				if (propIsEnumerable.call(from, symbols[i])) {
+					to[symbols[i]] = from[symbols[i]];
+				}
+			}
+		}
+	}
+
+	return to;
+};

+The MIT License (MIT)
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

+{
+  "_from": "object-assign@^4.1.1",
+  "_id": "object-assign@4.1.1",
+  "_inBundle": false,
+  "_integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=",
+  "_location": "/object-assign",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "object-assign@^4.1.1",
+    "name": "object-assign",
+    "escapedName": "object-assign",
+    "rawSpec": "^4.1.1",
+    "saveSpec": null,
+    "fetchSpec": "^4.1.1"
+  },
+  "_requiredBy": [
+    "/multer"
+  ],
+  "_resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+  "_shasum": "2109adc7965887cfc05cbbd442cac8bfbb360863",
+  "_spec": "object-assign@^4.1.1",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\multer",
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "sindresorhus.com"
+  },
+  "bugs": {
+    "url": "https://github.com/sindresorhus/object-assign/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "ES2015 `Object.assign()` ponyfill",
+  "devDependencies": {
+    "ava": "^0.16.0",
+    "lodash": "^4.16.4",
+    "matcha": "^0.7.0",
+    "xo": "^0.16.0"
+  },
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "files": [
+    "index.js"
+  ],
+  "homepage": "https://github.com/sindresorhus/object-assign#readme",
+  "keywords": [
+    "object",
+    "assign",
+    "extend",
+    "properties",
+    "es2015",
+    "ecmascript",
+    "harmony",
+    "ponyfill",
+    "prollyfill",
+    "polyfill",
+    "shim",
+    "browser"
+  ],
+  "license": "MIT",
+  "name": "object-assign",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/sindresorhus/object-assign.git"
+  },
+  "scripts": {
+    "bench": "matcha bench.js",
+    "test": "xo && ava"
+  },
+  "version": "4.1.1"
+}

+# object-assign [![Build Status](https://travis-ci.org/sindresorhus/object-assign.svg?branch=master)](https://travis-ci.org/sindresorhus/object-assign)
+
+> ES2015 [`Object.assign()`](http://www.2ality.com/2014/01/object-assign.html) [ponyfill](https://ponyfill.com)
+
+
+## Use the built-in
+
+Node.js 4 and up, as well as every evergreen browser (Chrome, Edge, Firefox, Opera, Safari),
+support `Object.assign()` :tada:. If you target only those environments, then by all
+means, use `Object.assign()` instead of this package.
+
+
+## Install
+
+```
+$ npm install --save object-assign
+```
+
+
+## Usage
+
+```js
+const objectAssign = require('object-assign');
+
+objectAssign({foo: 0}, {bar: 1});
+//=> {foo: 0, bar: 1}
+
+// multiple sources
+objectAssign({foo: 0}, {bar: 1}, {baz: 2});
+//=> {foo: 0, bar: 1, baz: 2}
+
+// overwrites equal keys
+objectAssign({foo: 0}, {foo: 1}, {foo: 2});
+//=> {foo: 2}
+
+// ignores null and undefined sources
+objectAssign({foo: 0}, null, {bar: 1}, undefined);
+//=> {foo: 0, bar: 1}
+```
+
+
+## API
+
+### objectAssign(target, [source, ...])
+
+Assigns enumerable own properties of `source` objects to the `target` object and returns the `target` object. Additional `source` objects will overwrite previous ones.
+
+
+## Resources
+
+- [ES2015 spec - Object.assign](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.assign)
+
+
+## Related
+
+- [deep-assign](https://github.com/sindresorhus/deep-assign) - Recursive `Object.assign()`
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)

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a=n,s=r,f=o,c=i,n=d(n,r,o,i,e[u+0],7,-680876936),i=d(i,n,r,o,e[u+1],12,-389564586),o=d(o,i,n,r,e[u+2],17,606105819),r=d(r,o,i,n,e[u+3],22,-1044525330);n=d(n,r,o,i,e[u+4],7,-176418897),i=d(i,n,r,o,e[u+5],12,1200080426),o=d(o,i,n,r,e[u+6],17,-1473231341),r=d(r,o,i,n,e[u+7],22,-45705983),n=d(n,r,o,i,e[u+8],7,1770035416),i=d(i,n,r,o,e[u+9],12,-1958414417),o=d(o,i,n,r,e[u+10],17,-42063),r=d(r,o,i,n,e[u+11],22,-1990404162),n=d(n,r,o,i,e[u+12],7,1804603682),i=d(i,n,r,o,e[u+13],12,-40341101),o=d(o,i,n,r,e[u+14],17,-1502002290),n=h(n,r=d(r,o,i,n,e[u+15],22,1236535329),o,i,e[u+1],5,-165796510),i=h(i,n,r,o,e[u+6],9,-1069501632),o=h(o,i,n,r,e[u+11],14,643717713),r=h(r,o,i,n,e[u+0],20,-373897302),n=h(n,r,o,i,e[u+5],5,-701558691),i=h(i,n,r,o,e[u+10],9,38016083),o=h(o,i,n,r,e[u+15],14,-660478335),r=h(r,o,i,n,e[u+4],20,-405537848),n=h(n,r,o,i,e[u+9],5,568446438),i=h(i,n,r,o,e[u+14],9,-1019803690),o=h(o,i,n,r,e[u+3],14,-187363961),r=h(r,o,i,n,e[u+8],20,1163531501),n=h(n,r,o,i,e[u+13],5,-1444681467),i=h(i,n,r,o,e[u+2],9,-51403784),o=h(o,i,n,r,e[u+7],14,1735328473),n=p(n,r=h(r,o,i,n,e[u+12],20,-1926607734),o,i,e[u+5],4,-378558),i=p(i,n,r,o,e[u+8],11,-2022574463),o=p(o,i,n,r,e[u+11],16,1839030562),r=p(r,o,i,n,e[u+14],23,-35309556),n=p(n,r,o,i,e[u+1],4,-1530992060),i=p(i,n,r,o,e[u+4],11,1272893353),o=p(o,i,n,r,e[u+7],16,-155497632),r=p(r,o,i,n,e[u+10],23,-1094730640),n=p(n,r,o,i,e[u+13],4,681279174),i=p(i,n,r,o,e[u+0],11,-358537222),o=p(o,i,n,r,e[u+3],16,-722521979),r=p(r,o,i,n,e[u+6],23,76029189),n=p(n,r,o,i,e[u+9],4,-640364487),i=p(i,n,r,o,e[u+12],11,-421815835),o=p(o,i,n,r,e[u+15],16,530742520),n=g(n,r=p(r,o,i,n,e[u+2],23,-995338651),o,i,e[u+0],6,-198630844),i=g(i,n,r,o,e[u+7],10,1126891415),o=g(o,i,n,r,e[u+14],15,-1416354905),r=g(r,o,i,n,e[u+5],21,-57434055),n=g(n,r,o,i,e[u+12],6,1700485571),i=g(i,n,r,o,e[u+3],10,-1894986606),o=g(o,i,n,r,e[u+10],15,-1051523),r=g(r,o,i,n,e[u+1],21,-2054922799),n=g(n,r,o,i,e[u+8],6,1873313359),i=g(i,n,r,o,e[u+15],10,-30611744),o=g(o,i,n,r,e[u+6],15,-1560198380),r=g(r,o,i,n,e[u+13],21,1309151649),n=g(n,r,o,i,e[u+4],6,-145523070),i=g(i,n,r,o,e[u+11],10,-1120210379),o=g(o,i,n,r,e[u+2],15,718787259),r=g(r,o,i,n,e[u+9],21,-343485551),n=y(n,a),r=y(r,s),o=y(o,f),i=y(i,c)}return Array(n,r,o,i)}function l(e,t,n,r,o,i){return y((u=y(y(t,e),y(r,i)))<<(a=o)|u>>>32-a,n);var u,a}function d(e,t,n,r,o,i,u){return l(t&n|~t&r,e,t,o,i,u)}function h(e,t,n,r,o,i,u){return l(t&r|n&~r,e,t,o,i,u)}function p(e,t,n,r,o,i,u){return l(t^n^r,e,t,o,i,u)}function g(e,t,n,r,o,i,u){return l(n^(t|~r),e,t,o,i,u)}function y(e,t){var n=(65535&e)+(65535&t);return(e>>16)+(t>>16)+(n>>16)<<16|65535&n}b.exports=function(e){return f.hash(e,c,16)}}).call(this,w("lYpoI2"),"undefined"!=typeof self?self:"undefined"!=typeof window?window:{},w("buffer").Buffer,arguments[3],arguments[4],arguments[5],arguments[6],"/node_modules/gulp-browserify/node_modules/crypto-browserify/md5.js","/node_modules/gulp-browserify/node_modules/crypto-browserify")},{"./helpers":4,buffer:3,lYpoI2:10}],7:[function(e,l,t){(function(e,t,n,r,o,i,u,a,s){var f,c;c=function(e){for(var t,n=new Array(e),r=0;r<e;r++)0==(3&r)&&(t=4294967296*Math.random()),n[r]=t>>>((3&r)<<3)&255;return n},l.exports=f||c}).call(this,e("lYpoI2"),"undefined"!=typeof self?self:"undefined"!=typeof window?window:{},e("buffer").Buffer,arguments[3],arguments[4],arguments[5],arguments[6],"/node_modules/gulp-browserify/node_modules/crypto-browserify/rng.js","/node_modules/gulp-browserify/node_modules/crypto-browserify")},{buffer:3,lYpoI2:10}],8:[function(l,d,e){(function(e,t,n,r,o,i,u,a,s){var f=l("./helpers");function c(e,t){e[t>>5]|=128<<24-t%32,e[15+(t+64>>9<<4)]=t;for(var n,r,o,i,u,a=Array(80),s=1732584193,f=-271733879,c=-1732584194,l=271733878,d=-1009589776,h=0;h<e.length;h+=16){for(var p=s,g=f,y=c,w=l,b=d,m=0;m<80;m++){a[m]=m<16?e[h+m]:E(a[m-3]^a[m-8]^a[m-14]^a[m-16],1);var v=_(_(E(s,5),(o=f,i=c,u=l,(r=m)<20?o&i|~o&u:!(r<40)&&r<60?o&i|o&u|i&u:o^i^u)),_(_(d,a[m]),(n=m)<20?1518500249:n<40?1859775393:n<60?-1894007588:-899497514)),d=l,l=c,c=E(f,30),f=s,s=v}s=_(s,p),f=_(f,g),c=_(c,y),l=_(l,w),d=_(d,b)}return Array(s,f,c,l,d)}function _(e,t){var 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A=0;A<64;A++)p[A]=A<16?e[A+I]:B(B(B((E=p[A-2],L(E,17)^L(E,19)^E>>>10),p[A-7]),(_=p[A-15],L(_,7)^L(_,18)^_>>>3)),p[A-16]),c=B(B(B(B(f,L(v=u,6)^L(v,11)^L(v,25)),(m=u)&a^~m&s),d[A]),p[A]),l=B(L(b=n,2)^L(b,13)^L(b,22),(g=n)&(y=r)^g&(w=o)^y&w),f=s,s=a,a=u,u=B(i,c),i=o,o=r,r=n,n=B(c,l);h[0]=B(n,h[0]),h[1]=B(r,h[1]),h[2]=B(o,h[2]),h[3]=B(i,h[3]),h[4]=B(u,h[4]),h[5]=B(a,h[5]),h[6]=B(s,h[6]),h[7]=B(f,h[7])}return h}var c=l("./helpers");d.exports=function(e){return c.hash(e,f,32,!0)}}).call(this,l("lYpoI2"),"undefined"!=typeof self?self:"undefined"!=typeof window?window:{},l("buffer").Buffer,arguments[3],arguments[4],arguments[5],arguments[6],"/node_modules/gulp-browserify/node_modules/crypto-browserify/sha256.js","/node_modules/gulp-browserify/node_modules/crypto-browserify")},{"./helpers":4,buffer:3,lYpoI2:10}],10:[function(e,c,t){(function(e,t,n,r,o,i,u,a,s){function f(){}(e=c.exports={}).nextTick=function(){var e="undefined"!=typeof window&&window.setImmediate,t="undefined"!=typeof window&&window.postMessage&&window.addEventListener;if(e)return function(e){return window.setImmediate(e)};if(t){var n=[];return window.addEventListener("message",function(e){var t=e.source;t!==window&&null!==t||"process-tick"!==e.data||(e.stopPropagation(),0<n.length&&n.shift()())},!0),function(e){n.push(e),window.postMessage("process-tick","*")}}return function(e){setTimeout(e,0)}}(),e.title="browser",e.browser=!0,e.env={},e.argv=[],e.on=f,e.addListener=f,e.once=f,e.off=f,e.removeListener=f,e.removeAllListeners=f,e.emit=f,e.binding=function(e){throw new Error("process.binding is not supported")},e.cwd=function(){return"/"},e.chdir=function(e){throw new Error("process.chdir is not supported")}}).call(this,e("lYpoI2"),"undefined"!=typeof self?self:"undefined"!=typeof window?window:{},e("buffer").Buffer,arguments[3],arguments[4],arguments[5],arguments[6],"/node_modules/gulp-browserify/node_modules/process/browser.js","/node_modules/gulp-browserify/node_modules/process")},{buffer:3,lYpoI2:10}],11:[function(e,t,f){(function(e,t,n,r,o,i,u,a,s){f.read=function(e,t,n,r,o){var i,u,a=8*o-r-1,s=(1<<a)-1,f=s>>1,c=-7,l=n?o-1:0,d=n?-1:1,h=e[t+l];for(l+=d,i=h&(1<<-c)-1,h>>=-c,c+=a;0<c;i=256*i+e[t+l],l+=d,c-=8);for(u=i&(1<<-c)-1,i>>=-c,c+=r;0<c;u=256*u+e[t+l],l+=d,c-=8);if(0===i)i=1-f;else{if(i===s)return u?NaN:1/0*(h?-1:1);u+=Math.pow(2,r),i-=f}return(h?-1:1)*u*Math.pow(2,i-r)},f.write=function(e,t,n,r,o,i){var u,a,s,f=8*i-o-1,c=(1<<f)-1,l=c>>1,d=23===o?Math.pow(2,-24)-Math.pow(2,-77):0,h=r?0:i-1,p=r?1:-1,g=t<0||0===t&&1/t<0?1:0;for(t=Math.abs(t),isNaN(t)||t===1/0?(a=isNaN(t)?1:0,u=c):(u=Math.floor(Math.log(t)/Math.LN2),t*(s=Math.pow(2,-u))<1&&(u--,s*=2),2<=(t+=1<=u+l?d/s:d*Math.pow(2,1-l))*s&&(u++,s/=2),c<=u+l?(a=0,u=c):1<=u+l?(a=(t*s-1)*Math.pow(2,o),u+=l):(a=t*Math.pow(2,l-1)*Math.pow(2,o),u=0));8<=o;e[n+h]=255&a,h+=p,a/=256,o-=8);for(u=u<<o|a,f+=o;0<f;e[n+h]=255&u,h+=p,u/=256,f-=8);e[n+h-p]|=128*g}}).call(this,e("lYpoI2"),"undefined"!=typeof self?self:"undefined"!=typeof window?window:{},e("buffer").Buffer,arguments[3],arguments[4],arguments[5],arguments[6],"/node_modules/ieee754/index.js","/node_modules/ieee754")},{buffer:3,lYpoI2:10}]},{},[1])(1)});
\ No newline at end of file

@@ -406,6 +406,9 @@ function typeHasher(options, writeTo, context){
         'Use "options.replacer" or "options.ignoreUnknown"\n');
         'Use "options.replacer" or "options.ignoreUnknown"\n');
     },
     },
     _domwindow: function() { return write('domwindow'); },
     _domwindow: function() { return write('domwindow'); },
+    _bigint: function(number){
+      return write('bigint:' + number.toString());
+    },
     /* Node.js standard native objects */
     /* Node.js standard native objects */
     _process: function() { return write('process'); },
     _process: function() { return write('process'); },
     _timer: function() { return write('timer'); },
     _timer: function() { return write('timer'); },

 {
 {
   "_from": "object-hash@^2.1.1",
   "_from": "object-hash@^2.1.1",
-  "_id": "object-hash@2.1.1",
+  "_id": "object-hash@2.2.0",
   "_inBundle": false,
   "_inBundle": false,
-  "_integrity": "sha512-VOJmgmS+7wvXf8CjbQmimtCnEx3IAoLxI3fp2fbWehxrWBcAQFbk+vcwb6vzR0VZv/eNCJ/27j151ZTwqW/JeQ==",
+  "_integrity": "sha512-gScRMn0bS5fH+IuwyIFgnh9zBdo4DV+6GhygmWM9HyNJSgS0hScp1f5vjtm7oIIOiT9trXrShAkLFSc2IqKNgw==",
   "_location": "/object-hash",
   "_location": "/object-hash",
   "_phantomChildren": {},
   "_phantomChildren": {},
   "_requested": {
   "_requested": {
@@ -18,8 +18,8 @@
   "_requiredBy": [
   "_requiredBy": [
     "/google-gax"
     "/google-gax"
   ],
   ],
-  "_resolved": "https://registry.npmjs.org/object-hash/-/object-hash-2.1.1.tgz",
-  "_shasum": "9447d0279b4fcf80cff3259bf66a1dc73afabe09",
+  "_resolved": "https://registry.npmjs.org/object-hash/-/object-hash-2.2.0.tgz",
+  "_shasum": "5ad518581eefc443bd763472b8ff2e9c2c0d54a5",
   "_spec": "object-hash@^2.1.1",
   "_spec": "object-hash@^2.1.1",
   "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\google-gax",
   "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\google-gax",
   "author": {
   "author": {
@@ -77,5 +77,5 @@
     "prepublish": "gulp dist",
     "prepublish": "gulp dist",
     "test": "node ./node_modules/.bin/mocha test"
     "test": "node ./node_modules/.bin/mocha test"
   },
   },
-  "version": "2.1.1"
+  "version": "2.2.0"
 }
 }

@@ -30,8 +30,9 @@ For more information, see [this discussion](https://github.com/puleos/object-has
 
 
 ## hash(value, options);
 ## hash(value, options);
 Generate a hash from any object or type.  Defaults to sha1 with hex encoding.
 Generate a hash from any object or type.  Defaults to sha1 with hex encoding.
-*  `algorithm` hash algo to be used: 'sha1', 'md5'. default: sha1
+*  `algorithm` hash algo to be used: 'sha1', 'md5', 'passthrough'. default: sha1
   *  This supports the algorithms returned by `crypto.getHashes()`. Note that the default of SHA-1 is not considered secure, and a stronger algorithm should be used if a cryptographical hash is desired.
   *  This supports the algorithms returned by `crypto.getHashes()`. Note that the default of SHA-1 is not considered secure, and a stronger algorithm should be used if a cryptographical hash is desired.
+  * This also supports the `passthrough` algorith, which will return the information that would otherwise have been hashed.
 *  `excludeValues` {true|false} hash object keys, values ignored. default: false
 *  `excludeValues` {true|false} hash object keys, values ignored. default: false
 *  `encoding` hash encoding, supports 'buffer', 'hex', 'binary', 'base64'. default: hex
 *  `encoding` hash encoding, supports 'buffer', 'hex', 'binary', 'base64'. default: hex
 *  `ignoreUnknown` {true|*false} ignore unknown object types. default: false
 *  `ignoreUnknown` {true|*false} ignore unknown object types. default: false

+'use strict';
+
+if (typeof process === 'undefined' ||
+    !process.version ||
+    process.version.indexOf('v0.') === 0 ||
+    process.version.indexOf('v1.') === 0 && process.version.indexOf('v1.8.') !== 0) {
+  module.exports = { nextTick: nextTick };
+} else {
+  module.exports = process
+}
+
+function nextTick(fn, arg1, arg2, arg3) {
+  if (typeof fn !== 'function') {
+    throw new TypeError('"callback" argument must be a function');
+  }
+  var len = arguments.length;
+  var args, i;
+  switch (len) {
+  case 0:
+  case 1:
+    return process.nextTick(fn);
+  case 2:
+    return process.nextTick(function afterTickOne() {
+      fn.call(null, arg1);
+    });
+  case 3:
+    return process.nextTick(function afterTickTwo() {
+      fn.call(null, arg1, arg2);
+    });
+  case 4:
+    return process.nextTick(function afterTickThree() {
+      fn.call(null, arg1, arg2, arg3);
+    });
+  default:
+    args = new Array(len - 1);
+    i = 0;
+    while (i < args.length) {
+      args[i++] = arguments[i];
+    }
+    return process.nextTick(function afterTick() {
+      fn.apply(null, args);
+    });
+  }
+}
+

+# Copyright (c) 2015 Calvin Metcalf
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+**THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.**

+{
+  "_from": "process-nextick-args@~2.0.0",
+  "_id": "process-nextick-args@2.0.1",
+  "_inBundle": false,
+  "_integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==",
+  "_location": "/process-nextick-args",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "process-nextick-args@~2.0.0",
+    "name": "process-nextick-args",
+    "escapedName": "process-nextick-args",
+    "rawSpec": "~2.0.0",
+    "saveSpec": null,
+    "fetchSpec": "~2.0.0"
+  },
+  "_requiredBy": [
+    "/concat-stream/readable-stream"
+  ],
+  "_resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
+  "_shasum": "7820d9b16120cc55ca9ae7792680ae7dba6d7fe2",
+  "_spec": "process-nextick-args@~2.0.0",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\concat-stream\\node_modules\\readable-stream",
+  "author": "",
+  "bugs": {
+    "url": "https://github.com/calvinmetcalf/process-nextick-args/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "process.nextTick but always with args",
+  "devDependencies": {
+    "tap": "~0.2.6"
+  },
+  "files": [
+    "index.js"
+  ],
+  "homepage": "https://github.com/calvinmetcalf/process-nextick-args",
+  "license": "MIT",
+  "main": "index.js",
+  "name": "process-nextick-args",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/calvinmetcalf/process-nextick-args.git"
+  },
+  "scripts": {
+    "test": "node test.js"
+  },
+  "version": "2.0.1"
+}

+process-nextick-args
+=====
+
+[![Build Status](https://travis-ci.org/calvinmetcalf/process-nextick-args.svg?branch=master)](https://travis-ci.org/calvinmetcalf/process-nextick-args)
+
+```bash
+npm install --save process-nextick-args
+```
+
+Always be able to pass arguments to process.nextTick, no matter the platform
+
+```js
+var pna = require('process-nextick-args');
+
+pna.nextTick(function (a, b, c) {
+  console.log(a, b, c);
+}, 'step', 3,  'profit');
+```

+build/
+test/
+examples/
+fs.js
+zlib.js
\ No newline at end of file

-Node.js is licensed for use as follows:
-
-"""
-Copyright Node.js contributors. All rights reserved.
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to
-deal in the Software without restriction, including without limitation the
-rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-sell copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
-IN THE SOFTWARE.
-"""
-
-This license applies to parts of Node.js originating from the
-https://github.com/joyent/node repository:
-
-"""
 Copyright Joyent, Inc. and other Node contributors. All rights reserved.
 Copyright Joyent, Inc. and other Node contributors. All rights reserved.
 Permission is hereby granted, free of charge, to any person obtaining a copy
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
 of this software and associated documentation files (the "Software"), to
@@ -44,4 +16,3 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 IN THE SOFTWARE.
 IN THE SOFTWARE.
-"""

 # readable-stream
 # readable-stream
 
 
-***Node.js core streams for userland*** [![Build Status](https://travis-ci.com/nodejs/readable-stream.svg?branch=master)](https://travis-ci.com/nodejs/readable-stream)
-
+***Node-core streams for userland***
 
 
 [![NPM](https://nodei.co/npm/readable-stream.png?downloads=true&downloadRank=true)](https://nodei.co/npm/readable-stream/)
 [![NPM](https://nodei.co/npm/readable-stream.png?downloads=true&downloadRank=true)](https://nodei.co/npm/readable-stream/)
-[![NPM](https://nodei.co/npm-dl/readable-stream.png?&months=6&height=3)](https://nodei.co/npm/readable-stream/)
-
-
-[![Sauce Test Status](https://saucelabs.com/browser-matrix/readabe-stream.svg)](https://saucelabs.com/u/readabe-stream)
-
-```bash
-npm install --save readable-stream
-```
-
-This package is a mirror of the streams implementations in Node.js.
-
-Full documentation may be found on the [Node.js website](https://nodejs.org/dist/v10.19.0/docs/api/stream.html).
-
-If you want to guarantee a stable streams base, regardless of what version of
-Node you, or the users of your libraries are using, use **readable-stream** *only* and avoid the *"stream"* module in Node-core, for background see [this blogpost](http://r.va.gg/2014/06/why-i-dont-use-nodes-core-stream-module.html).
-
-As of version 2.0.0 **readable-stream** uses semantic versioning.
-
-## Version 3.x.x
-
-v3.x.x of `readable-stream` is a cut from Node 10. This version supports Node 6, 8, and 10, as well as evergreen browsers, IE 11 and latest Safari. The breaking changes introduced by v3 are composed by the combined breaking changes in [Node v9](https://nodejs.org/en/blog/release/v9.0.0/) and [Node v10](https://nodejs.org/en/blog/release/v10.0.0/), as follows:
-
-1. Error codes: https://github.com/nodejs/node/pull/13310,
-   https://github.com/nodejs/node/pull/13291,
-   https://github.com/nodejs/node/pull/16589,
-   https://github.com/nodejs/node/pull/15042,
-   https://github.com/nodejs/node/pull/15665,
-   https://github.com/nodejs/readable-stream/pull/344
-2. 'readable' have precedence over flowing
-   https://github.com/nodejs/node/pull/18994
-3. make virtual methods errors consistent
-   https://github.com/nodejs/node/pull/18813
-4. updated streams error handling
-   https://github.com/nodejs/node/pull/18438
-5. writable.end should return this.
-   https://github.com/nodejs/node/pull/18780
-6. readable continues to read when push('')
-   https://github.com/nodejs/node/pull/18211
-7. add custom inspect to BufferList
-   https://github.com/nodejs/node/pull/17907
-8. always defer 'readable' with nextTick
-   https://github.com/nodejs/node/pull/17979
-
-## Version 2.x.x
-v2.x.x of `readable-stream` is a cut of the stream module from Node 8 (there have been no semver-major changes from Node 4 to 8). This version supports all Node.js versions from 0.8, as well as evergreen browsers and IE 10 & 11.
-
-### Big Thanks
-
-Cross-browser Testing Platform and Open Source <3 Provided by [Sauce Labs][sauce]
-
-# Usage
-
-You can swap your `require('stream')` with `require('readable-stream')`
-without any changes, if you are just using one of the main classes and
-functions.
-
-```js
-const {
-  Readable,
-  Writable,
-  Transform,
-  Duplex,
-  pipeline,
-  finished
-} = require('readable-stream')
-````
-
-Note that `require('stream')` will return `Stream`, while
-`require('readable-stream')` will return `Readable`. We discourage using
-whatever is exported directly, but rather use one of the properties as
-shown in the example above.
-
-# Streams Working Group
+[![NPM](https://nodei.co/npm-dl/readable-stream.png&months=6&height=3)](https://nodei.co/npm/readable-stream/)
 
 
-`readable-stream` is maintained by the Streams Working Group, which
-oversees the development and maintenance of the Streams API within
-Node.js. The responsibilities of the Streams Working Group include:
+This package is a mirror of the Streams2 and Streams3 implementations in Node-core.
 
 
-* Addressing stream issues on the Node.js issue tracker.
-* Authoring and editing stream documentation within the Node.js project.
-* Reviewing changes to stream subclasses within the Node.js project.
-* Redirecting changes to streams from the Node.js project to this
-  project.
-* Assisting in the implementation of stream providers within Node.js.
-* Recommending versions of `readable-stream` to be included in Node.js.
-* Messaging about the future of streams to give the community advance
-  notice of changes.
+If you want to guarantee a stable streams base, regardless of what version of Node you, or the users of your libraries are using, use **readable-stream** *only* and avoid the *"stream"* module in Node-core.
 
 
-<a name="members"></a>
-## Team Members
+**readable-stream** comes in two major versions, v1.0.x and v1.1.x. The former tracks the Streams2 implementation in Node 0.10, including bug-fixes and minor improvements as they are added. The latter tracks Streams3 as it develops in Node 0.11; we will likely see a v1.2.x branch for Node 0.12.
 
 
-* **Calvin Metcalf** ([@calvinmetcalf](https://github.com/calvinmetcalf)) &lt;calvin.metcalf@gmail.com&gt;
-  - Release GPG key: F3EF5F62A87FC27A22E643F714CE4FF5015AA242
-* **Mathias Buus** ([@mafintosh](https://github.com/mafintosh)) &lt;mathiasbuus@gmail.com&gt;
-* **Matteo Collina** ([@mcollina](https://github.com/mcollina)) &lt;matteo.collina@gmail.com&gt;
-  - Release GPG key: 3ABC01543F22DD2239285CDD818674489FBC127E
-* **Irina Shestak** ([@lrlna](https://github.com/lrlna)) &lt;shestak.irina@gmail.com&gt;
-* **Yoshua Wyuts** ([@yoshuawuyts](https://github.com/yoshuawuyts)) &lt;yoshuawuyts@gmail.com&gt;
+**readable-stream** uses proper patch-level versioning so if you pin to `"~1.0.0"` you’ll get the latest Node 0.10 Streams2 implementation, including any fixes and minor non-breaking improvements. The patch-level versions of 1.0.x and 1.1.x should mirror the patch-level versions of Node-core releases. You should prefer the **1.0.x** releases for now and when you’re ready to start using Streams3, pin to `"~1.1.0"`
 
 
-[sauce]: https://saucelabs.com

+module.exports = require("./lib/_stream_duplex.js")

+diff --git a/lib/_stream_duplex.js b/lib/_stream_duplex.js
+index c5a741c..a2e0d8e 100644
+--- a/lib/_stream_duplex.js
++++ b/lib/_stream_duplex.js
+@@ -26,8 +26,8 @@
+ 
+ module.exports = Duplex;
+ var util = require('util');
+-var Readable = require('_stream_readable');
+-var Writable = require('_stream_writable');
++var Readable = require('./_stream_readable');
++var Writable = require('./_stream_writable');
+ 
+ util.inherits(Duplex, Readable);
+ 
+diff --git a/lib/_stream_passthrough.js b/lib/_stream_passthrough.js
+index a5e9864..330c247 100644
+--- a/lib/_stream_passthrough.js
++++ b/lib/_stream_passthrough.js
+@@ -25,7 +25,7 @@
+ 
+ module.exports = PassThrough;
+ 
+-var Transform = require('_stream_transform');
++var Transform = require('./_stream_transform');
+ var util = require('util');
+ util.inherits(PassThrough, Transform);
+ 
+diff --git a/lib/_stream_readable.js b/lib/_stream_readable.js
+index 0c3fe3e..90a8298 100644
+--- a/lib/_stream_readable.js
++++ b/lib/_stream_readable.js
+@@ -23,10 +23,34 @@ module.exports = Readable;
+ Readable.ReadableState = ReadableState;
+ 
+ var EE = require('events').EventEmitter;
++if (!EE.listenerCount) EE.listenerCount = function(emitter, type) {
++  return emitter.listeners(type).length;
++};
++
++if (!global.setImmediate) global.setImmediate = function setImmediate(fn) {
++  return setTimeout(fn, 0);
++};
++if (!global.clearImmediate) global.clearImmediate = function clearImmediate(i) {
++  return clearTimeout(i);
++};
++
+ var Stream = require('stream');
+ var util = require('util');
++if (!util.isUndefined) {
++  var utilIs = require('core-util-is');
++  for (var f in utilIs) {
++    util[f] = utilIs[f];
++  }
++}
+ var StringDecoder;
+-var debug = util.debuglog('stream');
++var debug;
++if (util.debuglog)
++  debug = util.debuglog('stream');
++else try {
++  debug = require('debuglog')('stream');
++} catch (er) {
++  debug = function() {};
++}
+ 
+ util.inherits(Readable, Stream);
+ 
+@@ -380,7 +404,7 @@ function chunkInvalid(state, chunk) {
+ 
+ 
+ function onEofChunk(stream, state) {
+-  if (state.decoder && !state.ended) {
++  if (state.decoder && !state.ended && state.decoder.end) {
+     var chunk = state.decoder.end();
+     if (chunk && chunk.length) {
+       state.buffer.push(chunk);
+diff --git a/lib/_stream_transform.js b/lib/_stream_transform.js
+index b1f9fcc..b0caf57 100644
+--- a/lib/_stream_transform.js
++++ b/lib/_stream_transform.js
+@@ -64,8 +64,14 @@
+ 
+ module.exports = Transform;
+ 
+-var Duplex = require('_stream_duplex');
++var Duplex = require('./_stream_duplex');
+ var util = require('util');
++if (!util.isUndefined) {
++  var utilIs = require('core-util-is');
++  for (var f in utilIs) {
++    util[f] = utilIs[f];
++  }
++}
+ util.inherits(Transform, Duplex);
+ 
+ 
+diff --git a/lib/_stream_writable.js b/lib/_stream_writable.js
+index ba2e920..f49288b 100644
+--- a/lib/_stream_writable.js
++++ b/lib/_stream_writable.js
+@@ -27,6 +27,12 @@ module.exports = Writable;
+ Writable.WritableState = WritableState;
+ 
+ var util = require('util');
++if (!util.isUndefined) {
++  var utilIs = require('core-util-is');
++  for (var f in utilIs) {
++    util[f] = utilIs[f];
++  }
++}
+ var Stream = require('stream');
+ 
+ util.inherits(Writable, Stream);
+@@ -119,7 +125,7 @@ function WritableState(options, stream) {
+ function Writable(options) {
+   // Writable ctor is applied to Duplexes, though they're not
+   // instanceof Writable, they're instanceof Readable.
+-  if (!(this instanceof Writable) && !(this instanceof Stream.Duplex))
++  if (!(this instanceof Writable) && !(this instanceof require('./_stream_duplex')))
+     return new Writable(options);
+ 
+   this._writableState = new WritableState(options, this);
+diff --git a/test/simple/test-stream-big-push.js b/test/simple/test-stream-big-push.js
+index e3787e4..8cd2127 100644
+--- a/test/simple/test-stream-big-push.js
++++ b/test/simple/test-stream-big-push.js
+@@ -21,7 +21,7 @@
+ 
+ var common = require('../common');
+ var assert = require('assert');
+-var stream = require('stream');
++var stream = require('../../');
+ var str = 'asdfasdfasdfasdfasdf';
+ 
+ var r = new stream.Readable({
+diff --git a/test/simple/test-stream-end-paused.js b/test/simple/test-stream-end-paused.js
+index bb73777..d40efc7 100644
+--- a/test/simple/test-stream-end-paused.js
++++ b/test/simple/test-stream-end-paused.js
+@@ -25,7 +25,7 @@ var gotEnd = false;
+ 
+ // Make sure we don't miss the end event for paused 0-length streams
+ 
+-var Readable = require('stream').Readable;
++var Readable = require('../../').Readable;
+ var stream = new Readable();
+ var calledRead = false;
+ stream._read = function() {
+diff --git a/test/simple/test-stream-pipe-after-end.js b/test/simple/test-stream-pipe-after-end.js
+index b46ee90..0be8366 100644
+--- a/test/simple/test-stream-pipe-after-end.js
++++ b/test/simple/test-stream-pipe-after-end.js
+@@ -22,8 +22,8 @@
+ var common = require('../common');
+ var assert = require('assert');
+ 
+-var Readable = require('_stream_readable');
+-var Writable = require('_stream_writable');
++var Readable = require('../../lib/_stream_readable');
++var Writable = require('../../lib/_stream_writable');
+ var util = require('util');
+ 
+ util.inherits(TestReadable, Readable);
+diff --git a/test/simple/test-stream-pipe-cleanup.js b/test/simple/test-stream-pipe-cleanup.js
+deleted file mode 100644
+index f689358..0000000
+--- a/test/simple/test-stream-pipe-cleanup.js
++++ /dev/null
+@@ -1,122 +0,0 @@
+-// Copyright Joyent, Inc. and other Node contributors.
+-//
+-// Permission is hereby granted, free of charge, to any person obtaining a
+-// copy of this software and associated documentation files (the
+-// "Software"), to deal in the Software without restriction, including
+-// without limitation the rights to use, copy, modify, merge, publish,
+-// distribute, sublicense, and/or sell copies of the Software, and to permit
+-// persons to whom the Software is furnished to do so, subject to the
+-// following conditions:
+-//
+-// The above copyright notice and this permission notice shall be included
+-// in all copies or substantial portions of the Software.
+-//
+-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+-// USE OR OTHER DEALINGS IN THE SOFTWARE.
+-
+-// This test asserts that Stream.prototype.pipe does not leave listeners
+-// hanging on the source or dest.
+-
+-var common = require('../common');
+-var stream = require('stream');
+-var assert = require('assert');
+-var util = require('util');
+-
+-function Writable() {
+-  this.writable = true;
+-  this.endCalls = 0;
+-  stream.Stream.call(this);
+-}
+-util.inherits(Writable, stream.Stream);
+-Writable.prototype.end = function() {
+-  this.endCalls++;
+-};
+-
+-Writable.prototype.destroy = function() {
+-  this.endCalls++;
+-};
+-
+-function Readable() {
+-  this.readable = true;
+-  stream.Stream.call(this);
+-}
+-util.inherits(Readable, stream.Stream);
+-
+-function Duplex() {
+-  this.readable = true;
+-  Writable.call(this);
+-}
+-util.inherits(Duplex, Writable);
+-
+-var i = 0;
+-var limit = 100;
+-
+-var w = new Writable();
+-
+-var r;
+-
+-for (i = 0; i < limit; i++) {
+-  r = new Readable();
+-  r.pipe(w);
+-  r.emit('end');
+-}
+-assert.equal(0, r.listeners('end').length);
+-assert.equal(limit, w.endCalls);
+-
+-w.endCalls = 0;
+-
+-for (i = 0; i < limit; i++) {
+-  r = new Readable();
+-  r.pipe(w);
+-  r.emit('close');
+-}
+-assert.equal(0, r.listeners('close').length);
+-assert.equal(limit, w.endCalls);
+-
+-w.endCalls = 0;
+-
+-r = new Readable();
+-
+-for (i = 0; i < limit; i++) {
+-  w = new Writable();
+-  r.pipe(w);
+-  w.emit('close');
+-}
+-assert.equal(0, w.listeners('close').length);
+-
+-r = new Readable();
+-w = new Writable();
+-var d = new Duplex();
+-r.pipe(d); // pipeline A
+-d.pipe(w); // pipeline B
+-assert.equal(r.listeners('end').length, 2);   // A.onend, A.cleanup
+-assert.equal(r.listeners('close').length, 2); // A.onclose, A.cleanup
+-assert.equal(d.listeners('end').length, 2);   // B.onend, B.cleanup
+-assert.equal(d.listeners('close').length, 3); // A.cleanup, B.onclose, B.cleanup
+-assert.equal(w.listeners('end').length, 0);
+-assert.equal(w.listeners('close').length, 1); // B.cleanup
+-
+-r.emit('end');
+-assert.equal(d.endCalls, 1);
+-assert.equal(w.endCalls, 0);
+-assert.equal(r.listeners('end').length, 0);
+-assert.equal(r.listeners('close').length, 0);
+-assert.equal(d.listeners('end').length, 2);   // B.onend, B.cleanup
+-assert.equal(d.listeners('close').length, 2); // B.onclose, B.cleanup
+-assert.equal(w.listeners('end').length, 0);
+-assert.equal(w.listeners('close').length, 1); // B.cleanup
+-
+-d.emit('end');
+-assert.equal(d.endCalls, 1);
+-assert.equal(w.endCalls, 1);
+-assert.equal(r.listeners('end').length, 0);
+-assert.equal(r.listeners('close').length, 0);
+-assert.equal(d.listeners('end').length, 0);
+-assert.equal(d.listeners('close').length, 0);
+-assert.equal(w.listeners('end').length, 0);
+-assert.equal(w.listeners('close').length, 0);
+diff --git a/test/simple/test-stream-pipe-error-handling.js b/test/simple/test-stream-pipe-error-handling.js
+index c5d724b..c7d6b7d 100644
+--- a/test/simple/test-stream-pipe-error-handling.js
++++ b/test/simple/test-stream-pipe-error-handling.js
+@@ -21,7 +21,7 @@
+ 
+ var common = require('../common');
+ var assert = require('assert');
+-var Stream = require('stream').Stream;
++var Stream = require('../../').Stream;
+ 
+ (function testErrorListenerCatches() {
+   var source = new Stream();
+diff --git a/test/simple/test-stream-pipe-event.js b/test/simple/test-stream-pipe-event.js
+index cb9d5fe..56f8d61 100644
+--- a/test/simple/test-stream-pipe-event.js
++++ b/test/simple/test-stream-pipe-event.js
+@@ -20,7 +20,7 @@
+ // USE OR OTHER DEALINGS IN THE SOFTWARE.
+ 
+ var common = require('../common');
+-var stream = require('stream');
++var stream = require('../../');
+ var assert = require('assert');
+ var util = require('util');
+ 
+diff --git a/test/simple/test-stream-push-order.js b/test/simple/test-stream-push-order.js
+index f2e6ec2..a5c9bf9 100644
+--- a/test/simple/test-stream-push-order.js
++++ b/test/simple/test-stream-push-order.js
+@@ -20,7 +20,7 @@
+ // USE OR OTHER DEALINGS IN THE SOFTWARE.
+ 
+ var common = require('../common.js');
+-var Readable = require('stream').Readable;
++var Readable = require('../../').Readable;
+ var assert = require('assert');
+ 
+ var s = new Readable({
+diff --git a/test/simple/test-stream-push-strings.js b/test/simple/test-stream-push-strings.js
+index 06f43dc..1701a9a 100644
+--- a/test/simple/test-stream-push-strings.js
++++ b/test/simple/test-stream-push-strings.js
+@@ -22,7 +22,7 @@
+ var common = require('../common');
+ var assert = require('assert');
+ 
+-var Readable = require('stream').Readable;
++var Readable = require('../../').Readable;
+ var util = require('util');
+ 
+ util.inherits(MyStream, Readable);
+diff --git a/test/simple/test-stream-readable-event.js b/test/simple/test-stream-readable-event.js
+index ba6a577..a8e6f7b 100644
+--- a/test/simple/test-stream-readable-event.js
++++ b/test/simple/test-stream-readable-event.js
+@@ -22,7 +22,7 @@
+ var common = require('../common');
+ var assert = require('assert');
+ 
+-var Readable = require('stream').Readable;
++var Readable = require('../../').Readable;
+ 
+ (function first() {
+   // First test, not reading when the readable is added.
+diff --git a/test/simple/test-stream-readable-flow-recursion.js b/test/simple/test-stream-readable-flow-recursion.js
+index 2891ad6..11689ba 100644
+--- a/test/simple/test-stream-readable-flow-recursion.js
++++ b/test/simple/test-stream-readable-flow-recursion.js
+@@ -27,7 +27,7 @@ var assert = require('assert');
+ // more data continuously, but without triggering a nextTick
+ // warning or RangeError.
+ 
+-var Readable = require('stream').Readable;
++var Readable = require('../../').Readable;
+ 
+ // throw an error if we trigger a nextTick warning.
+ process.throwDeprecation = true;
+diff --git a/test/simple/test-stream-unshift-empty-chunk.js b/test/simple/test-stream-unshift-empty-chunk.js
+index 0c96476..7827538 100644
+--- a/test/simple/test-stream-unshift-empty-chunk.js
++++ b/test/simple/test-stream-unshift-empty-chunk.js
+@@ -24,7 +24,7 @@ var assert = require('assert');
+ 
+ // This test verifies that stream.unshift(Buffer(0)) or 
+ // stream.unshift('') does not set state.reading=false.
+-var Readable = require('stream').Readable;
++var Readable = require('../../').Readable;
+ 
+ var r = new Readable();
+ var nChunks = 10;
+diff --git a/test/simple/test-stream-unshift-read-race.js b/test/simple/test-stream-unshift-read-race.js
+index 83fd9fa..17c18aa 100644
+--- a/test/simple/test-stream-unshift-read-race.js
++++ b/test/simple/test-stream-unshift-read-race.js
+@@ -29,7 +29,7 @@ var assert = require('assert');
+ // 3. push() after the EOF signaling null is an error.
+ // 4. _read() is not called after pushing the EOF null chunk.
+ 
+-var stream = require('stream');
++var stream = require('../../');
+ var hwm = 10;
+ var r = stream.Readable({ highWaterMark: hwm });
+ var chunks = 10;
+@@ -51,7 +51,14 @@ r._read = function(n) {
+ 
+   function push(fast) {
+     assert(!pushedNull, 'push() after null push');
+-    var c = pos >= data.length ? null : data.slice(pos, pos + n);
++    var c;
++    if (pos >= data.length)
++      c = null;
++    else {
++      if (n + pos > data.length)
++        n = data.length - pos;
++      c = data.slice(pos, pos + n);
++    }
+     pushedNull = c === null;
+     if (fast) {
+       pos += n;
+diff --git a/test/simple/test-stream-writev.js b/test/simple/test-stream-writev.js
+index 5b49e6e..b5321f3 100644
+--- a/test/simple/test-stream-writev.js
++++ b/test/simple/test-stream-writev.js
+@@ -22,7 +22,7 @@
+ var common = require('../common');
+ var assert = require('assert');
+ 
+-var stream = require('stream');
++var stream = require('../../');
+ 
+ var queue = [];
+ for (var decode = 0; decode < 2; decode++) {
+diff --git a/test/simple/test-stream2-basic.js b/test/simple/test-stream2-basic.js
+index 3814bf0..248c1be 100644
+--- a/test/simple/test-stream2-basic.js
++++ b/test/simple/test-stream2-basic.js
+@@ -21,7 +21,7 @@
+ 
+ 
+ var common = require('../common.js');
+-var R = require('_stream_readable');
++var R = require('../../lib/_stream_readable');
+ var assert = require('assert');
+ 
+ var util = require('util');
+diff --git a/test/simple/test-stream2-compatibility.js b/test/simple/test-stream2-compatibility.js
+index 6cdd4e9..f0fa84b 100644
+--- a/test/simple/test-stream2-compatibility.js
++++ b/test/simple/test-stream2-compatibility.js
+@@ -21,7 +21,7 @@
+ 
+ 
+ var common = require('../common.js');
+-var R = require('_stream_readable');
++var R = require('../../lib/_stream_readable');
+ var assert = require('assert');
+ 
+ var util = require('util');
+diff --git a/test/simple/test-stream2-finish-pipe.js b/test/simple/test-stream2-finish-pipe.js
+index 39b274f..006a19b 100644
+--- a/test/simple/test-stream2-finish-pipe.js
++++ b/test/simple/test-stream2-finish-pipe.js
+@@ -20,7 +20,7 @@
+ // USE OR OTHER DEALINGS IN THE SOFTWARE.
+ 
+ var common = require('../common.js');
+-var stream = require('stream');
++var stream = require('../../');
+ var Buffer = require('buffer').Buffer;
+ 
+ var r = new stream.Readable();
+diff --git a/test/simple/test-stream2-fs.js b/test/simple/test-stream2-fs.js
+deleted file mode 100644
+index e162406..0000000
+--- a/test/simple/test-stream2-fs.js
++++ /dev/null
+@@ -1,72 +0,0 @@
+-// Copyright Joyent, Inc. and other Node contributors.
+-//
+-// Permission is hereby granted, free of charge, to any person obtaining a
+-// copy of this software and associated documentation files (the
+-// "Software"), to deal in the Software without restriction, including
+-// without limitation the rights to use, copy, modify, merge, publish,
+-// distribute, sublicense, and/or sell copies of the Software, and to permit
+-// persons to whom the Software is furnished to do so, subject to the
+-// following conditions:
+-//
+-// The above copyright notice and this permission notice shall be included
+-// in all copies or substantial portions of the Software.
+-//
+-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+-// USE OR OTHER DEALINGS IN THE SOFTWARE.
+-
+-
+-var common = require('../common.js');
+-var R = require('_stream_readable');
+-var assert = require('assert');
+-
+-var fs = require('fs');
+-var FSReadable = fs.ReadStream;
+-
+-var path = require('path');
+-var file = path.resolve(common.fixturesDir, 'x1024.txt');
+-
+-var size = fs.statSync(file).size;
+-
+-var expectLengths = [1024];
+-
+-var util = require('util');
+-var Stream = require('stream');
+-
+-util.inherits(TestWriter, Stream);
+-
+-function TestWriter() {
+-  Stream.apply(this);
+-  this.buffer = [];
+-  this.length = 0;
+-}
+-
+-TestWriter.prototype.write = function(c) {
+-  this.buffer.push(c.toString());
+-  this.length += c.length;
+-  return true;
+-};
+-
+-TestWriter.prototype.end = function(c) {
+-  if (c) this.buffer.push(c.toString());
+-  this.emit('results', this.buffer);
+-}
+-
+-var r = new FSReadable(file);
+-var w = new TestWriter();
+-
+-w.on('results', function(res) {
+-  console.error(res, w.length);
+-  assert.equal(w.length, size);
+-  var l = 0;
+-  assert.deepEqual(res.map(function (c) {
+-    return c.length;
+-  }), expectLengths);
+-  console.log('ok');
+-});
+-
+-r.pipe(w);
+diff --git a/test/simple/test-stream2-httpclient-response-end.js b/test/simple/test-stream2-httpclient-response-end.js
+deleted file mode 100644
+index 15cffc2..0000000
+--- a/test/simple/test-stream2-httpclient-response-end.js
++++ /dev/null
+@@ -1,52 +0,0 @@
+-// Copyright Joyent, Inc. and other Node contributors.
+-//
+-// Permission is hereby granted, free of charge, to any person obtaining a
+-// copy of this software and associated documentation files (the
+-// "Software"), to deal in the Software without restriction, including
+-// without limitation the rights to use, copy, modify, merge, publish,
+-// distribute, sublicense, and/or sell copies of the Software, and to permit
+-// persons to whom the Software is furnished to do so, subject to the
+-// following conditions:
+-//
+-// The above copyright notice and this permission notice shall be included
+-// in all copies or substantial portions of the Software.
+-//
+-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+-// USE OR OTHER DEALINGS IN THE SOFTWARE.
+-
+-var common = require('../common.js');
+-var assert = require('assert');
+-var http = require('http');
+-var msg = 'Hello';
+-var readable_event = false;
+-var end_event = false;
+-var server = http.createServer(function(req, res) {
+-  res.writeHead(200, {'Content-Type': 'text/plain'});
+-  res.end(msg);
+-}).listen(common.PORT, function() {
+-  http.get({port: common.PORT}, function(res) {
+-    var data = '';
+-    res.on('readable', function() {
+-      console.log('readable event');
+-      readable_event = true;
+-      data += res.read();
+-    });
+-    res.on('end', function() {
+-      console.log('end event');
+-      end_event = true;
+-      assert.strictEqual(msg, data);
+-      server.close();
+-    });
+-  });
+-});
+-
+-process.on('exit', function() {
+-  assert(readable_event);
+-  assert(end_event);
+-});
+-
+diff --git a/test/simple/test-stream2-large-read-stall.js b/test/simple/test-stream2-large-read-stall.js
+index 2fbfbca..667985b 100644
+--- a/test/simple/test-stream2-large-read-stall.js
++++ b/test/simple/test-stream2-large-read-stall.js
+@@ -30,7 +30,7 @@ var PUSHSIZE = 20;
+ var PUSHCOUNT = 1000;
+ var HWM = 50;
+ 
+-var Readable = require('stream').Readable;
++var Readable = require('../../').Readable;
+ var r = new Readable({
+   highWaterMark: HWM
+ });
+@@ -39,23 +39,23 @@ var rs = r._readableState;
+ r._read = push;
+ 
+ r.on('readable', function() {
+-  console.error('>> readable');
++  //console.error('>> readable');
+   do {
+-    console.error('  > read(%d)', READSIZE);
++    //console.error('  > read(%d)', READSIZE);
+     var ret = r.read(READSIZE);
+-    console.error('  < %j (%d remain)', ret && ret.length, rs.length);
++    //console.error('  < %j (%d remain)', ret && ret.length, rs.length);
+   } while (ret && ret.length === READSIZE);
+ 
+-  console.error('<< after read()',
+-                ret && ret.length,
+-                rs.needReadable,
+-                rs.length);
++  //console.error('<< after read()',
++  //              ret && ret.length,
++  //              rs.needReadable,
++  //              rs.length);
+ });
+ 
+ var endEmitted = false;
+ r.on('end', function() {
+   endEmitted = true;
+-  console.error('end');
++  //console.error('end');
+ });
+ 
+ var pushes = 0;
+@@ -64,11 +64,11 @@ function push() {
+     return;
+ 
+   if (pushes++ === PUSHCOUNT) {
+-    console.error('   push(EOF)');
++    //console.error('   push(EOF)');
+     return r.push(null);
+   }
+ 
+-  console.error('   push #%d', pushes);
++  //console.error('   push #%d', pushes);
+   if (r.push(new Buffer(PUSHSIZE)))
+     setTimeout(push);
+ }
+diff --git a/test/simple/test-stream2-objects.js b/test/simple/test-stream2-objects.js
+index 3e6931d..ff47d89 100644
+--- a/test/simple/test-stream2-objects.js
++++ b/test/simple/test-stream2-objects.js
+@@ -21,8 +21,8 @@
+ 
+ 
+ var common = require('../common.js');
+-var Readable = require('_stream_readable');
+-var Writable = require('_stream_writable');
++var Readable = require('../../lib/_stream_readable');
++var Writable = require('../../lib/_stream_writable');
+ var assert = require('assert');
+ 
+ // tiny node-tap lookalike.
+diff --git a/test/simple/test-stream2-pipe-error-handling.js b/test/simple/test-stream2-pipe-error-handling.js
+index cf7531c..e3f3e4e 100644
+--- a/test/simple/test-stream2-pipe-error-handling.js
++++ b/test/simple/test-stream2-pipe-error-handling.js
+@@ -21,7 +21,7 @@
+ 
+ var common = require('../common');
+ var assert = require('assert');
+-var stream = require('stream');
++var stream = require('../../');
+ 
+ (function testErrorListenerCatches() {
+   var count = 1000;
+diff --git a/test/simple/test-stream2-pipe-error-once-listener.js b/test/simple/test-stream2-pipe-error-once-listener.js
+index 5e8e3cb..53b2616 100755
+--- a/test/simple/test-stream2-pipe-error-once-listener.js
++++ b/test/simple/test-stream2-pipe-error-once-listener.js
+@@ -24,7 +24,7 @@ var common = require('../common.js');
+ var assert = require('assert');
+ 
+ var util = require('util');
+-var stream = require('stream');
++var stream = require('../../');
+ 
+ 
+ var Read = function() {
+diff --git a/test/simple/test-stream2-push.js b/test/simple/test-stream2-push.js
+index b63edc3..eb2b0e9 100644
+--- a/test/simple/test-stream2-push.js
++++ b/test/simple/test-stream2-push.js
+@@ -20,7 +20,7 @@
+ // USE OR OTHER DEALINGS IN THE SOFTWARE.
+ 
+ var common = require('../common.js');
+-var stream = require('stream');
++var stream = require('../../');
+ var Readable = stream.Readable;
+ var Writable = stream.Writable;
+ var assert = require('assert');
+diff --git a/test/simple/test-stream2-read-sync-stack.js b/test/simple/test-stream2-read-sync-stack.js
+index e8a7305..9740a47 100644
+--- a/test/simple/test-stream2-read-sync-stack.js
++++ b/test/simple/test-stream2-read-sync-stack.js
+@@ -21,7 +21,7 @@
+ 
+ var common = require('../common');
+ var assert = require('assert');
+-var Readable = require('stream').Readable;
++var Readable = require('../../').Readable;
+ var r = new Readable();
+ var N = 256 * 1024;
+ 
+diff --git a/test/simple/test-stream2-readable-empty-buffer-no-eof.js b/test/simple/test-stream2-readable-empty-buffer-no-eof.js
+index cd30178..4b1659d 100644
+--- a/test/simple/test-stream2-readable-empty-buffer-no-eof.js
++++ b/test/simple/test-stream2-readable-empty-buffer-no-eof.js
+@@ -22,10 +22,9 @@
+ var common = require('../common');
+ var assert = require('assert');
+ 
+-var Readable = require('stream').Readable;
++var Readable = require('../../').Readable;
+ 
+ test1();
+-test2();
+ 
+ function test1() {
+   var r = new Readable();
+@@ -88,31 +87,3 @@ function test1() {
+     console.log('ok');
+   });
+ }
+-
+-function test2() {
+-  var r = new Readable({ encoding: 'base64' });
+-  var reads = 5;
+-  r._read = function(n) {
+-    if (!reads--)
+-      return r.push(null); // EOF
+-    else
+-      return r.push(new Buffer('x'));
+-  };
+-
+-  var results = [];
+-  function flow() {
+-    var chunk;
+-    while (null !== (chunk = r.read()))
+-      results.push(chunk + '');
+-  }
+-  r.on('readable', flow);
+-  r.on('end', function() {
+-    results.push('EOF');
+-  });
+-  flow();
+-
+-  process.on('exit', function() {
+-    assert.deepEqual(results, [ 'eHh4', 'eHg=', 'EOF' ]);
+-    console.log('ok');
+-  });
+-}
+diff --git a/test/simple/test-stream2-readable-from-list.js b/test/simple/test-stream2-readable-from-list.js
+index 7c96ffe..04a96f5 100644
+--- a/test/simple/test-stream2-readable-from-list.js
++++ b/test/simple/test-stream2-readable-from-list.js
+@@ -21,7 +21,7 @@
+ 
+ var assert = require('assert');
+ var common = require('../common.js');
+-var fromList = require('_stream_readable')._fromList;
++var fromList = require('../../lib/_stream_readable')._fromList;
+ 
+ // tiny node-tap lookalike.
+ var tests = [];
+diff --git a/test/simple/test-stream2-readable-legacy-drain.js b/test/simple/test-stream2-readable-legacy-drain.js
+index 675da8e..51fd3d5 100644
+--- a/test/simple/test-stream2-readable-legacy-drain.js
++++ b/test/simple/test-stream2-readable-legacy-drain.js
+@@ -22,7 +22,7 @@
+ var common = require('../common');
+ var assert = require('assert');
+ 
+-var Stream = require('stream');
++var Stream = require('../../');
+ var Readable = Stream.Readable;
+ 
+ var r = new Readable();
+diff --git a/test/simple/test-stream2-readable-non-empty-end.js b/test/simple/test-stream2-readable-non-empty-end.js
+index 7314ae7..c971898 100644
+--- a/test/simple/test-stream2-readable-non-empty-end.js
++++ b/test/simple/test-stream2-readable-non-empty-end.js
+@@ -21,7 +21,7 @@
+ 
+ var assert = require('assert');
+ var common = require('../common.js');
+-var Readable = require('_stream_readable');
++var Readable = require('../../lib/_stream_readable');
+ 
+ var len = 0;
+ var chunks = new Array(10);
+diff --git a/test/simple/test-stream2-readable-wrap-empty.js b/test/simple/test-stream2-readable-wrap-empty.js
+index 2e5cf25..fd8a3dc 100644
+--- a/test/simple/test-stream2-readable-wrap-empty.js
++++ b/test/simple/test-stream2-readable-wrap-empty.js
+@@ -22,7 +22,7 @@
+ var common = require('../common');
+ var assert = require('assert');
+ 
+-var Readable = require('_stream_readable');
++var Readable = require('../../lib/_stream_readable');
+ var EE = require('events').EventEmitter;
+ 
+ var oldStream = new EE();
+diff --git a/test/simple/test-stream2-readable-wrap.js b/test/simple/test-stream2-readable-wrap.js
+index 90eea01..6b177f7 100644
+--- a/test/simple/test-stream2-readable-wrap.js
++++ b/test/simple/test-stream2-readable-wrap.js
+@@ -22,8 +22,8 @@
+ var common = require('../common');
+ var assert = require('assert');
+ 
+-var Readable = require('_stream_readable');
+-var Writable = require('_stream_writable');
++var Readable = require('../../lib/_stream_readable');
++var Writable = require('../../lib/_stream_writable');
+ var EE = require('events').EventEmitter;
+ 
+ var testRuns = 0, completedRuns = 0;
+diff --git a/test/simple/test-stream2-set-encoding.js b/test/simple/test-stream2-set-encoding.js
+index 5d2c32a..685531b 100644
+--- a/test/simple/test-stream2-set-encoding.js
++++ b/test/simple/test-stream2-set-encoding.js
+@@ -22,7 +22,7 @@
+ 
+ var common = require('../common.js');
+ var assert = require('assert');
+-var R = require('_stream_readable');
++var R = require('../../lib/_stream_readable');
+ var util = require('util');
+ 
+ // tiny node-tap lookalike.
+diff --git a/test/simple/test-stream2-transform.js b/test/simple/test-stream2-transform.js
+index 9c9ddd8..a0cacc6 100644
+--- a/test/simple/test-stream2-transform.js
++++ b/test/simple/test-stream2-transform.js
+@@ -21,8 +21,8 @@
+ 
+ var assert = require('assert');
+ var common = require('../common.js');
+-var PassThrough = require('_stream_passthrough');
+-var Transform = require('_stream_transform');
++var PassThrough = require('../../').PassThrough;
++var Transform = require('../../').Transform;
+ 
+ // tiny node-tap lookalike.
+ var tests = [];
+diff --git a/test/simple/test-stream2-unpipe-drain.js b/test/simple/test-stream2-unpipe-drain.js
+index d66dc3c..365b327 100644
+--- a/test/simple/test-stream2-unpipe-drain.js
++++ b/test/simple/test-stream2-unpipe-drain.js
+@@ -22,7 +22,7 @@
+ 
+ var common = require('../common.js');
+ var assert = require('assert');
+-var stream = require('stream');
++var stream = require('../../');
+ var crypto = require('crypto');
+ 
+ var util = require('util');
+diff --git a/test/simple/test-stream2-unpipe-leak.js b/test/simple/test-stream2-unpipe-leak.js
+index 99f8746..17c92ae 100644
+--- a/test/simple/test-stream2-unpipe-leak.js
++++ b/test/simple/test-stream2-unpipe-leak.js
+@@ -22,7 +22,7 @@
+ 
+ var common = require('../common.js');
+ var assert = require('assert');
+-var stream = require('stream');
++var stream = require('../../');
+ 
+ var chunk = new Buffer('hallo');
+ 
+diff --git a/test/simple/test-stream2-writable.js b/test/simple/test-stream2-writable.js
+index 704100c..209c3a6 100644
+--- a/test/simple/test-stream2-writable.js
++++ b/test/simple/test-stream2-writable.js
+@@ -20,8 +20,8 @@
+ // USE OR OTHER DEALINGS IN THE SOFTWARE.
+ 
+ var common = require('../common.js');
+-var W = require('_stream_writable');
+-var D = require('_stream_duplex');
++var W = require('../../').Writable;
++var D = require('../../').Duplex;
+ var assert = require('assert');
+ 
+ var util = require('util');
+diff --git a/test/simple/test-stream3-pause-then-read.js b/test/simple/test-stream3-pause-then-read.js
+index b91bde3..2f72c15 100644
+--- a/test/simple/test-stream3-pause-then-read.js
++++ b/test/simple/test-stream3-pause-then-read.js
+@@ -22,7 +22,7 @@
+ var common = require('../common');
+ var assert = require('assert');
+ 
+-var stream = require('stream');
++var stream = require('../../');
+ var Readable = stream.Readable;
+ var Writable = stream.Writable;
+ 

@@ -18,122 +18,72 @@
 // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
+
 // a duplex stream is just a stream that is both readable and writable.
 // a duplex stream is just a stream that is both readable and writable.
 // Since JS doesn't have multiple prototypal inheritance, this class
 // Since JS doesn't have multiple prototypal inheritance, this class
 // prototypally inherits from Readable, and then parasitically from
 // prototypally inherits from Readable, and then parasitically from
 // Writable.
 // Writable.
-'use strict';
-/*<replacement>*/
 
 
+module.exports = Duplex;
+
+/*<replacement>*/
 var objectKeys = Object.keys || function (obj) {
 var objectKeys = Object.keys || function (obj) {
   var keys = [];
   var keys = [];
-
-  for (var key in obj) {
-    keys.push(key);
-  }
-
+  for (var key in obj) keys.push(key);
   return keys;
   return keys;
-};
+}
 /*</replacement>*/
 /*</replacement>*/
 
 
 
 
-module.exports = Duplex;
+/*<replacement>*/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/*</replacement>*/
 
 
 var Readable = require('./_stream_readable');
 var Readable = require('./_stream_readable');
-
 var Writable = require('./_stream_writable');
 var Writable = require('./_stream_writable');
 
 
-require('inherits')(Duplex, Readable);
+util.inherits(Duplex, Readable);
 
 
-{
-  // Allow the keys array to be GC'ed.
-  var keys = objectKeys(Writable.prototype);
-
-  for (var v = 0; v < keys.length; v++) {
-    var method = keys[v];
-    if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method];
-  }
-}
+forEach(objectKeys(Writable.prototype), function(method) {
+  if (!Duplex.prototype[method])
+    Duplex.prototype[method] = Writable.prototype[method];
+});
 
 
 function Duplex(options) {
 function Duplex(options) {
-  if (!(this instanceof Duplex)) return new Duplex(options);
+  if (!(this instanceof Duplex))
+    return new Duplex(options);
+
   Readable.call(this, options);
   Readable.call(this, options);
   Writable.call(this, options);
   Writable.call(this, options);
-  this.allowHalfOpen = true;
 
 
-  if (options) {
-    if (options.readable === false) this.readable = false;
-    if (options.writable === false) this.writable = false;
+  if (options && options.readable === false)
+    this.readable = false;
 
 
-    if (options.allowHalfOpen === false) {
-      this.allowHalfOpen = false;
-      this.once('end', onend);
-    }
-  }
-}
+  if (options && options.writable === false)
+    this.writable = false;
 
 
-Object.defineProperty(Duplex.prototype, 'writableHighWaterMark', {
-  // making it explicit this property is not enumerable
-  // because otherwise some prototype manipulation in
-  // userland will fail
-  enumerable: false,
-  get: function get() {
-    return this._writableState.highWaterMark;
-  }
-});
-Object.defineProperty(Duplex.prototype, 'writableBuffer', {
-  // making it explicit this property is not enumerable
-  // because otherwise some prototype manipulation in
-  // userland will fail
-  enumerable: false,
-  get: function get() {
-    return this._writableState && this._writableState.getBuffer();
-  }
-});
-Object.defineProperty(Duplex.prototype, 'writableLength', {
-  // making it explicit this property is not enumerable
-  // because otherwise some prototype manipulation in
-  // userland will fail
-  enumerable: false,
-  get: function get() {
-    return this._writableState.length;
-  }
-}); // the no-half-open enforcer
-
-function onend() {
-  // If the writable side ended, then we're ok.
-  if (this._writableState.ended) return; // no more data can be written.
-  // But allow more writes to happen in this tick.
+  this.allowHalfOpen = true;
+  if (options && options.allowHalfOpen === false)
+    this.allowHalfOpen = false;
 
 
-  process.nextTick(onEndNT, this);
+  this.once('end', onend);
 }
 }
 
 
-function onEndNT(self) {
-  self.end();
+// the no-half-open enforcer
+function onend() {
+  // if we allow half-open state, or if the writable side ended,
+  // then we're ok.
+  if (this.allowHalfOpen || this._writableState.ended)
+    return;
+
+  // no more data can be written.
+  // But allow more writes to happen in this tick.
+  process.nextTick(this.end.bind(this));
 }
 }
 
 
-Object.defineProperty(Duplex.prototype, 'destroyed', {
-  // making it explicit this property is not enumerable
-  // because otherwise some prototype manipulation in
-  // userland will fail
-  enumerable: false,
-  get: function get() {
-    if (this._readableState === undefined || this._writableState === undefined) {
-      return false;
-    }
-
-    return this._readableState.destroyed && this._writableState.destroyed;
-  },
-  set: function set(value) {
-    // we ignore the value if the stream
-    // has not been initialized yet
-    if (this._readableState === undefined || this._writableState === undefined) {
-      return;
-    } // backward compatibility, the user is explicitly
-    // managing destroyed
-
-
-    this._readableState.destroyed = value;
-    this._writableState.destroyed = value;
+function forEach (xs, f) {
+  for (var i = 0, l = xs.length; i < l; i++) {
+    f(xs[i], i);
   }
   }
-});
\ No newline at end of file
+}

@@ -18,22 +18,29 @@
 // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
+
 // a passthrough stream.
 // a passthrough stream.
 // basically just the most minimal sort of Transform stream.
 // basically just the most minimal sort of Transform stream.
 // Every written chunk gets output as-is.
 // Every written chunk gets output as-is.
-'use strict';
 
 
 module.exports = PassThrough;
 module.exports = PassThrough;
 
 
 var Transform = require('./_stream_transform');
 var Transform = require('./_stream_transform');
 
 
-require('inherits')(PassThrough, Transform);
+/*<replacement>*/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/*</replacement>*/
+
+util.inherits(PassThrough, Transform);
 
 
 function PassThrough(options) {
 function PassThrough(options) {
-  if (!(this instanceof PassThrough)) return new PassThrough(options);
+  if (!(this instanceof PassThrough))
+    return new PassThrough(options);
+
   Transform.call(this, options);
   Transform.call(this, options);
 }
 }
 
 
-PassThrough.prototype._transform = function (chunk, encoding, cb) {
+PassThrough.prototype._transform = function(chunk, encoding, cb) {
   cb(null, chunk);
   cb(null, chunk);
-};
\ No newline at end of file
+};

@@ -18,398 +18,312 @@
 // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
-'use strict';
 
 
 module.exports = Readable;
 module.exports = Readable;
+
 /*<replacement>*/
 /*<replacement>*/
+var isArray = require('isarray');
+/*</replacement>*/
+
 
 
-var Duplex;
+/*<replacement>*/
+var Buffer = require('buffer').Buffer;
 /*</replacement>*/
 /*</replacement>*/
 
 
 Readable.ReadableState = ReadableState;
 Readable.ReadableState = ReadableState;
-/*<replacement>*/
 
 
 var EE = require('events').EventEmitter;
 var EE = require('events').EventEmitter;
 
 
-var EElistenerCount = function EElistenerCount(emitter, type) {
+/*<replacement>*/
+if (!EE.listenerCount) EE.listenerCount = function(emitter, type) {
   return emitter.listeners(type).length;
   return emitter.listeners(type).length;
 };
 };
 /*</replacement>*/
 /*</replacement>*/
 
 
-/*<replacement>*/
-
+var Stream = require('stream');
 
 
-var Stream = require('./internal/streams/stream');
+/*<replacement>*/
+var util = require('core-util-is');
+util.inherits = require('inherits');
 /*</replacement>*/
 /*</replacement>*/
 
 
+var StringDecoder;
 
 
-var Buffer = require('buffer').Buffer;
-
-var OurUint8Array = global.Uint8Array || function () {};
 
 
-function _uint8ArrayToBuffer(chunk) {
-  return Buffer.from(chunk);
-}
-
-function _isUint8Array(obj) {
-  return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
-}
 /*<replacement>*/
 /*<replacement>*/
-
-
-var debugUtil = require('util');
-
-var debug;
-
-if (debugUtil && debugUtil.debuglog) {
-  debug = debugUtil.debuglog('stream');
+var debug = require('util');
+if (debug && debug.debuglog) {
+  debug = debug.debuglog('stream');
 } else {
 } else {
-  debug = function debug() {};
+  debug = function () {};
 }
 }
 /*</replacement>*/
 /*</replacement>*/
 
 
 
 
-var BufferList = require('./internal/streams/buffer_list');
-
-var destroyImpl = require('./internal/streams/destroy');
-
-var _require = require('./internal/streams/state'),
-    getHighWaterMark = _require.getHighWaterMark;
-
-var _require$codes = require('../errors').codes,
-    ERR_INVALID_ARG_TYPE = _require$codes.ERR_INVALID_ARG_TYPE,
-    ERR_STREAM_PUSH_AFTER_EOF = _require$codes.ERR_STREAM_PUSH_AFTER_EOF,
-    ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED,
-    ERR_STREAM_UNSHIFT_AFTER_END_EVENT = _require$codes.ERR_STREAM_UNSHIFT_AFTER_END_EVENT; // Lazy loaded to improve the startup performance.
-
-
-var StringDecoder;
-var createReadableStreamAsyncIterator;
-var from;
-
-require('inherits')(Readable, Stream);
-
-var errorOrDestroy = destroyImpl.errorOrDestroy;
-var kProxyEvents = ['error', 'close', 'destroy', 'pause', 'resume'];
-
-function prependListener(emitter, event, fn) {
-  // Sadly this is not cacheable as some libraries bundle their own
-  // event emitter implementation with them.
-  if (typeof emitter.prependListener === 'function') return emitter.prependListener(event, fn); // This is a hack to make sure that our error handler is attached before any
-  // userland ones.  NEVER DO THIS. This is here only because this code needs
-  // to continue to work with older versions of Node.js that do not include
-  // the prependListener() method. The goal is to eventually remove this hack.
+util.inherits(Readable, Stream);
 
 
-  if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (Array.isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]];
-}
+function ReadableState(options, stream) {
+  var Duplex = require('./_stream_duplex');
 
 
-function ReadableState(options, stream, isDuplex) {
-  Duplex = Duplex || require('./_stream_duplex');
-  options = options || {}; // Duplex streams are both readable and writable, but share
-  // the same options object.
-  // However, some cases require setting options to different
-  // values for the readable and the writable sides of the duplex stream.
-  // These options can be provided separately as readableXXX and writableXXX.
-
-  if (typeof isDuplex !== 'boolean') isDuplex = stream instanceof Duplex; // object stream flag. Used to make read(n) ignore n and to
-  // make all the buffer merging and length checks go away
+  options = options || {};
 
 
-  this.objectMode = !!options.objectMode;
-  if (isDuplex) this.objectMode = this.objectMode || !!options.readableObjectMode; // the point at which it stops calling _read() to fill the buffer
+  // the point at which it stops calling _read() to fill the buffer
   // Note: 0 is a valid value, means "don't call _read preemptively ever"
   // Note: 0 is a valid value, means "don't call _read preemptively ever"
+  var hwm = options.highWaterMark;
+  var defaultHwm = options.objectMode ? 16 : 16 * 1024;
+  this.highWaterMark = (hwm || hwm === 0) ? hwm : defaultHwm;
 
 
-  this.highWaterMark = getHighWaterMark(this, options, 'readableHighWaterMark', isDuplex); // A linked list is used to store data chunks instead of an array because the
-  // linked list can remove elements from the beginning faster than
-  // array.shift()
+  // cast to ints.
+  this.highWaterMark = ~~this.highWaterMark;
 
 
-  this.buffer = new BufferList();
+  this.buffer = [];
   this.length = 0;
   this.length = 0;
   this.pipes = null;
   this.pipes = null;
   this.pipesCount = 0;
   this.pipesCount = 0;
   this.flowing = null;
   this.flowing = null;
   this.ended = false;
   this.ended = false;
   this.endEmitted = false;
   this.endEmitted = false;
-  this.reading = false; // a flag to be able to tell if the event 'readable'/'data' is emitted
-  // immediately, or on a later tick.  We set this to true at first, because
-  // any actions that shouldn't happen until "later" should generally also
-  // not happen before the first read call.
+  this.reading = false;
 
 
-  this.sync = true; // whenever we return null, then we set a flag to say
-  // that we're awaiting a 'readable' event emission.
+  // a flag to be able to tell if the onwrite cb is called immediately,
+  // or on a later tick.  We set this to true at first, because any
+  // actions that shouldn't happen until "later" should generally also
+  // not happen before the first write call.
+  this.sync = true;
 
 
+  // whenever we return null, then we set a flag to say
+  // that we're awaiting a 'readable' event emission.
   this.needReadable = false;
   this.needReadable = false;
   this.emittedReadable = false;
   this.emittedReadable = false;
   this.readableListening = false;
   this.readableListening = false;
-  this.resumeScheduled = false;
-  this.paused = true; // Should close be emitted on destroy. Defaults to true.
 
 
-  this.emitClose = options.emitClose !== false; // Should .destroy() be called after 'end' (and potentially 'finish')
 
 
-  this.autoDestroy = !!options.autoDestroy; // has it been destroyed
+  // object stream flag. Used to make read(n) ignore n and to
+  // make all the buffer merging and length checks go away
+  this.objectMode = !!options.objectMode;
+
+  if (stream instanceof Duplex)
+    this.objectMode = this.objectMode || !!options.readableObjectMode;
 
 
-  this.destroyed = false; // Crypto is kind of old and crusty.  Historically, its default string
+  // Crypto is kind of old and crusty.  Historically, its default string
   // encoding is 'binary' so we have to make this configurable.
   // encoding is 'binary' so we have to make this configurable.
   // Everything else in the universe uses 'utf8', though.
   // Everything else in the universe uses 'utf8', though.
+  this.defaultEncoding = options.defaultEncoding || 'utf8';
 
 
-  this.defaultEncoding = options.defaultEncoding || 'utf8'; // the number of writers that are awaiting a drain event in .pipe()s
+  // when piping, we only care about 'readable' events that happen
+  // after read()ing all the bytes and not getting any pushback.
+  this.ranOut = false;
 
 
-  this.awaitDrain = 0; // if true, a maybeReadMore has been scheduled
+  // the number of writers that are awaiting a drain event in .pipe()s
+  this.awaitDrain = 0;
 
 
+  // if true, a maybeReadMore has been scheduled
   this.readingMore = false;
   this.readingMore = false;
+
   this.decoder = null;
   this.decoder = null;
   this.encoding = null;
   this.encoding = null;
-
   if (options.encoding) {
   if (options.encoding) {
-    if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
+    if (!StringDecoder)
+      StringDecoder = require('string_decoder/').StringDecoder;
     this.decoder = new StringDecoder(options.encoding);
     this.decoder = new StringDecoder(options.encoding);
     this.encoding = options.encoding;
     this.encoding = options.encoding;
   }
   }
 }
 }
 
 
 function Readable(options) {
 function Readable(options) {
-  Duplex = Duplex || require('./_stream_duplex');
-  if (!(this instanceof Readable)) return new Readable(options); // Checking for a Stream.Duplex instance is faster here instead of inside
-  // the ReadableState constructor, at least with V8 6.5
+  var Duplex = require('./_stream_duplex');
 
 
-  var isDuplex = this instanceof Duplex;
-  this._readableState = new ReadableState(options, this, isDuplex); // legacy
+  if (!(this instanceof Readable))
+    return new Readable(options);
 
 
-  this.readable = true;
+  this._readableState = new ReadableState(options, this);
 
 
-  if (options) {
-    if (typeof options.read === 'function') this._read = options.read;
-    if (typeof options.destroy === 'function') this._destroy = options.destroy;
-  }
+  // legacy
+  this.readable = true;
 
 
   Stream.call(this);
   Stream.call(this);
 }
 }
 
 
-Object.defineProperty(Readable.prototype, 'destroyed', {
-  // making it explicit this property is not enumerable
-  // because otherwise some prototype manipulation in
-  // userland will fail
-  enumerable: false,
-  get: function get() {
-    if (this._readableState === undefined) {
-      return false;
-    }
-
-    return this._readableState.destroyed;
-  },
-  set: function set(value) {
-    // we ignore the value if the stream
-    // has not been initialized yet
-    if (!this._readableState) {
-      return;
-    } // backward compatibility, the user is explicitly
-    // managing destroyed
-
-
-    this._readableState.destroyed = value;
-  }
-});
-Readable.prototype.destroy = destroyImpl.destroy;
-Readable.prototype._undestroy = destroyImpl.undestroy;
-
-Readable.prototype._destroy = function (err, cb) {
-  cb(err);
-}; // Manually shove something into the read() buffer.
+// Manually shove something into the read() buffer.
 // This returns true if the highWaterMark has not been hit yet,
 // This returns true if the highWaterMark has not been hit yet,
 // similar to how Writable.write() returns true if you should
 // similar to how Writable.write() returns true if you should
 // write() some more.
 // write() some more.
-
-
-Readable.prototype.push = function (chunk, encoding) {
+Readable.prototype.push = function(chunk, encoding) {
   var state = this._readableState;
   var state = this._readableState;
-  var skipChunkCheck;
-
-  if (!state.objectMode) {
-    if (typeof chunk === 'string') {
-      encoding = encoding || state.defaultEncoding;
-
-      if (encoding !== state.encoding) {
-        chunk = Buffer.from(chunk, encoding);
-        encoding = '';
-      }
 
 
-      skipChunkCheck = true;
+  if (util.isString(chunk) && !state.objectMode) {
+    encoding = encoding || state.defaultEncoding;
+    if (encoding !== state.encoding) {
+      chunk = new Buffer(chunk, encoding);
+      encoding = '';
     }
     }
-  } else {
-    skipChunkCheck = true;
   }
   }
 
 
-  return readableAddChunk(this, chunk, encoding, false, skipChunkCheck);
-}; // Unshift should *always* be something directly out of read()
-
-
-Readable.prototype.unshift = function (chunk) {
-  return readableAddChunk(this, chunk, null, true, false);
+  return readableAddChunk(this, state, chunk, encoding, false);
 };
 };
 
 
-function readableAddChunk(stream, chunk, encoding, addToFront, skipChunkCheck) {
-  debug('readableAddChunk', chunk);
-  var state = stream._readableState;
+// Unshift should *always* be something directly out of read()
+Readable.prototype.unshift = function(chunk) {
+  var state = this._readableState;
+  return readableAddChunk(this, state, chunk, '', true);
+};
 
 
-  if (chunk === null) {
+function readableAddChunk(stream, state, chunk, encoding, addToFront) {
+  var er = chunkInvalid(state, chunk);
+  if (er) {
+    stream.emit('error', er);
+  } else if (util.isNullOrUndefined(chunk)) {
     state.reading = false;
     state.reading = false;
-    onEofChunk(stream, state);
-  } else {
-    var er;
-    if (!skipChunkCheck) er = chunkInvalid(state, chunk);
-
-    if (er) {
-      errorOrDestroy(stream, er);
-    } else if (state.objectMode || chunk && chunk.length > 0) {
-      if (typeof chunk !== 'string' && !state.objectMode && Object.getPrototypeOf(chunk) !== Buffer.prototype) {
-        chunk = _uint8ArrayToBuffer(chunk);
-      }
-
-      if (addToFront) {
-        if (state.endEmitted) errorOrDestroy(stream, new ERR_STREAM_UNSHIFT_AFTER_END_EVENT());else addChunk(stream, state, chunk, true);
-      } else if (state.ended) {
-        errorOrDestroy(stream, new ERR_STREAM_PUSH_AFTER_EOF());
-      } else if (state.destroyed) {
-        return false;
-      } else {
+    if (!state.ended)
+      onEofChunk(stream, state);
+  } else if (state.objectMode || chunk && chunk.length > 0) {
+    if (state.ended && !addToFront) {
+      var e = new Error('stream.push() after EOF');
+      stream.emit('error', e);
+    } else if (state.endEmitted && addToFront) {
+      var e = new Error('stream.unshift() after end event');
+      stream.emit('error', e);
+    } else {
+      if (state.decoder && !addToFront && !encoding)
+        chunk = state.decoder.write(chunk);
+
+      if (!addToFront)
         state.reading = false;
         state.reading = false;
 
 
-        if (state.decoder && !encoding) {
-          chunk = state.decoder.write(chunk);
-          if (state.objectMode || chunk.length !== 0) addChunk(stream, state, chunk, false);else maybeReadMore(stream, state);
-        } else {
-          addChunk(stream, state, chunk, false);
-        }
+      // if we want the data now, just emit it.
+      if (state.flowing && state.length === 0 && !state.sync) {
+        stream.emit('data', chunk);
+        stream.read(0);
+      } else {
+        // update the buffer info.
+        state.length += state.objectMode ? 1 : chunk.length;
+        if (addToFront)
+          state.buffer.unshift(chunk);
+        else
+          state.buffer.push(chunk);
+
+        if (state.needReadable)
+          emitReadable(stream);
       }
       }
-    } else if (!addToFront) {
-      state.reading = false;
+
       maybeReadMore(stream, state);
       maybeReadMore(stream, state);
     }
     }
-  } // We can push more data if we are below the highWaterMark.
-  // Also, if we have no data yet, we can stand some more bytes.
-  // This is to work around cases where hwm=0, such as the repl.
-
-
-  return !state.ended && (state.length < state.highWaterMark || state.length === 0);
-}
-
-function addChunk(stream, state, chunk, addToFront) {
-  if (state.flowing && state.length === 0 && !state.sync) {
-    state.awaitDrain = 0;
-    stream.emit('data', chunk);
-  } else {
-    // update the buffer info.
-    state.length += state.objectMode ? 1 : chunk.length;
-    if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk);
-    if (state.needReadable) emitReadable(stream);
+  } else if (!addToFront) {
+    state.reading = false;
   }
   }
 
 
-  maybeReadMore(stream, state);
+  return needMoreData(state);
 }
 }
 
 
-function chunkInvalid(state, chunk) {
-  var er;
 
 
-  if (!_isUint8Array(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
-    er = new ERR_INVALID_ARG_TYPE('chunk', ['string', 'Buffer', 'Uint8Array'], chunk);
-  }
 
 
-  return er;
+// if it's past the high water mark, we can push in some more.
+// Also, if we have no data yet, we can stand some
+// more bytes.  This is to work around cases where hwm=0,
+// such as the repl.  Also, if the push() triggered a
+// readable event, and the user called read(largeNumber) such that
+// needReadable was set, then we ought to push more, so that another
+// 'readable' event will be triggered.
+function needMoreData(state) {
+  return !state.ended &&
+         (state.needReadable ||
+          state.length < state.highWaterMark ||
+          state.length === 0);
 }
 }
 
 
-Readable.prototype.isPaused = function () {
-  return this._readableState.flowing === false;
-}; // backwards compatibility.
-
-
-Readable.prototype.setEncoding = function (enc) {
-  if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder;
-  var decoder = new StringDecoder(enc);
-  this._readableState.decoder = decoder; // If setEncoding(null), decoder.encoding equals utf8
-
-  this._readableState.encoding = this._readableState.decoder.encoding; // Iterate over current buffer to convert already stored Buffers:
-
-  var p = this._readableState.buffer.head;
-  var content = '';
-
-  while (p !== null) {
-    content += decoder.write(p.data);
-    p = p.next;
-  }
-
-  this._readableState.buffer.clear();
-
-  if (content !== '') this._readableState.buffer.push(content);
-  this._readableState.length = content.length;
+// backwards compatibility.
+Readable.prototype.setEncoding = function(enc) {
+  if (!StringDecoder)
+    StringDecoder = require('string_decoder/').StringDecoder;
+  this._readableState.decoder = new StringDecoder(enc);
+  this._readableState.encoding = enc;
   return this;
   return this;
-}; // Don't raise the hwm > 1GB
-
-
-var MAX_HWM = 0x40000000;
+};
 
 
-function computeNewHighWaterMark(n) {
+// Don't raise the hwm > 128MB
+var MAX_HWM = 0x800000;
+function roundUpToNextPowerOf2(n) {
   if (n >= MAX_HWM) {
   if (n >= MAX_HWM) {
-    // TODO(ronag): Throw ERR_VALUE_OUT_OF_RANGE.
     n = MAX_HWM;
     n = MAX_HWM;
   } else {
   } else {
-    // Get the next highest power of 2 to prevent increasing hwm excessively in
-    // tiny amounts
+    // Get the next highest power of 2
     n--;
     n--;
-    n |= n >>> 1;
-    n |= n >>> 2;
-    n |= n >>> 4;
-    n |= n >>> 8;
-    n |= n >>> 16;
+    for (var p = 1; p < 32; p <<= 1) n |= n >> p;
     n++;
     n++;
   }
   }
-
   return n;
   return n;
-} // This function is designed to be inlinable, so please take care when making
-// changes to the function body.
-
+}
 
 
 function howMuchToRead(n, state) {
 function howMuchToRead(n, state) {
-  if (n <= 0 || state.length === 0 && state.ended) return 0;
-  if (state.objectMode) return 1;
-
-  if (n !== n) {
-    // Only flow one buffer at a time
-    if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length;
-  } // If we're asking for more than the current hwm, then raise the hwm.
+  if (state.length === 0 && state.ended)
+    return 0;
 
 
+  if (state.objectMode)
+    return n === 0 ? 0 : 1;
 
 
-  if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n);
-  if (n <= state.length) return n; // Don't have enough
+  if (isNaN(n) || util.isNull(n)) {
+    // only flow one buffer at a time
+    if (state.flowing && state.buffer.length)
+      return state.buffer[0].length;
+    else
+      return state.length;
+  }
 
 
-  if (!state.ended) {
-    state.needReadable = true;
+  if (n <= 0)
     return 0;
     return 0;
-  }
 
 
-  return state.length;
-} // you can override either this method, or the async _read(n) below.
+  // If we're asking for more than the target buffer level,
+  // then raise the water mark.  Bump up to the next highest
+  // power of 2, to prevent increasing it excessively in tiny
+  // amounts.
+  if (n > state.highWaterMark)
+    state.highWaterMark = roundUpToNextPowerOf2(n);
 
 
+  // don't have that much.  return null, unless we've ended.
+  if (n > state.length) {
+    if (!state.ended) {
+      state.needReadable = true;
+      return 0;
+    } else
+      return state.length;
+  }
+
+  return n;
+}
 
 
-Readable.prototype.read = function (n) {
+// you can override either this method, or the async _read(n) below.
+Readable.prototype.read = function(n) {
   debug('read', n);
   debug('read', n);
-  n = parseInt(n, 10);
   var state = this._readableState;
   var state = this._readableState;
   var nOrig = n;
   var nOrig = n;
-  if (n !== 0) state.emittedReadable = false; // if we're doing read(0) to trigger a readable event, but we
+
+  if (!util.isNumber(n) || n > 0)
+    state.emittedReadable = false;
+
+  // if we're doing read(0) to trigger a readable event, but we
   // already have a bunch of data in the buffer, then just trigger
   // already have a bunch of data in the buffer, then just trigger
   // the 'readable' event and move on.
   // the 'readable' event and move on.
-
-  if (n === 0 && state.needReadable && ((state.highWaterMark !== 0 ? state.length >= state.highWaterMark : state.length > 0) || state.ended)) {
+  if (n === 0 &&
+      state.needReadable &&
+      (state.length >= state.highWaterMark || state.ended)) {
     debug('read: emitReadable', state.length, state.ended);
     debug('read: emitReadable', state.length, state.ended);
-    if (state.length === 0 && state.ended) endReadable(this);else emitReadable(this);
+    if (state.length === 0 && state.ended)
+      endReadable(this);
+    else
+      emitReadable(this);
     return null;
     return null;
   }
   }
 
 
-  n = howMuchToRead(n, state); // if we've ended, and we're now clear, then finish it up.
+  n = howMuchToRead(n, state);
 
 
+  // if we've ended, and we're now clear, then finish it up.
   if (n === 0 && state.ended) {
   if (n === 0 && state.ended) {
-    if (state.length === 0) endReadable(this);
+    if (state.length === 0)
+      endReadable(this);
     return null;
     return null;
-  } // All the actual chunk generation logic needs to be
+  }
+
+  // All the actual chunk generation logic needs to be
   // *below* the call to _read.  The reason is that in certain
   // *below* the call to _read.  The reason is that in certain
   // synthetic stream cases, such as passthrough streams, _read
   // synthetic stream cases, such as passthrough streams, _read
   // may be a completely synchronous operation which may change
   // may be a completely synchronous operation which may change
@@ -430,182 +344,159 @@ Readable.prototype.read = function (n) {
   // 'readable' etc.
   // 'readable' etc.
   //
   //
   // 3. Actually pull the requested chunks out of the buffer and return.
   // 3. Actually pull the requested chunks out of the buffer and return.
-  // if we need a readable event, then we need to do some reading.
-
 
 
+  // if we need a readable event, then we need to do some reading.
   var doRead = state.needReadable;
   var doRead = state.needReadable;
-  debug('need readable', doRead); // if we currently have less than the highWaterMark, then also read some
+  debug('need readable', doRead);
 
 
+  // if we currently have less than the highWaterMark, then also read some
   if (state.length === 0 || state.length - n < state.highWaterMark) {
   if (state.length === 0 || state.length - n < state.highWaterMark) {
     doRead = true;
     doRead = true;
     debug('length less than watermark', doRead);
     debug('length less than watermark', doRead);
-  } // however, if we've ended, then there's no point, and if we're already
-  // reading, then it's unnecessary.
-
+  }
 
 
+  // however, if we've ended, then there's no point, and if we're already
+  // reading, then it's unnecessary.
   if (state.ended || state.reading) {
   if (state.ended || state.reading) {
     doRead = false;
     doRead = false;
     debug('reading or ended', doRead);
     debug('reading or ended', doRead);
-  } else if (doRead) {
+  }
+
+  if (doRead) {
     debug('do read');
     debug('do read');
     state.reading = true;
     state.reading = true;
-    state.sync = true; // if the length is currently zero, then we *need* a readable event.
-
-    if (state.length === 0) state.needReadable = true; // call internal read method
-
+    state.sync = true;
+    // if the length is currently zero, then we *need* a readable event.
+    if (state.length === 0)
+      state.needReadable = true;
+    // call internal read method
     this._read(state.highWaterMark);
     this._read(state.highWaterMark);
-
-    state.sync = false; // If _read pushed data synchronously, then `reading` will be false,
-    // and we need to re-evaluate how much data we can return to the user.
-
-    if (!state.reading) n = howMuchToRead(nOrig, state);
+    state.sync = false;
   }
   }
 
 
+  // If _read pushed data synchronously, then `reading` will be false,
+  // and we need to re-evaluate how much data we can return to the user.
+  if (doRead && !state.reading)
+    n = howMuchToRead(nOrig, state);
+
   var ret;
   var ret;
-  if (n > 0) ret = fromList(n, state);else ret = null;
+  if (n > 0)
+    ret = fromList(n, state);
+  else
+    ret = null;
 
 
-  if (ret === null) {
-    state.needReadable = state.length <= state.highWaterMark;
+  if (util.isNull(ret)) {
+    state.needReadable = true;
     n = 0;
     n = 0;
-  } else {
-    state.length -= n;
-    state.awaitDrain = 0;
   }
   }
 
 
-  if (state.length === 0) {
-    // If we have nothing in the buffer, then we want to know
-    // as soon as we *do* get something into the buffer.
-    if (!state.ended) state.needReadable = true; // If we tried to read() past the EOF, then emit end on the next tick.
+  state.length -= n;
 
 
-    if (nOrig !== n && state.ended) endReadable(this);
-  }
+  // If we have nothing in the buffer, then we want to know
+  // as soon as we *do* get something into the buffer.
+  if (state.length === 0 && !state.ended)
+    state.needReadable = true;
+
+  // If we tried to read() past the EOF, then emit end on the next tick.
+  if (nOrig !== n && state.ended && state.length === 0)
+    endReadable(this);
+
+  if (!util.isNull(ret))
+    this.emit('data', ret);
 
 
-  if (ret !== null) this.emit('data', ret);
   return ret;
   return ret;
 };
 };
 
 
-function onEofChunk(stream, state) {
-  debug('onEofChunk');
-  if (state.ended) return;
+function chunkInvalid(state, chunk) {
+  var er = null;
+  if (!util.isBuffer(chunk) &&
+      !util.isString(chunk) &&
+      !util.isNullOrUndefined(chunk) &&
+      !state.objectMode) {
+    er = new TypeError('Invalid non-string/buffer chunk');
+  }
+  return er;
+}
 
 
-  if (state.decoder) {
-    var chunk = state.decoder.end();
 
 
+function onEofChunk(stream, state) {
+  if (state.decoder && !state.ended) {
+    var chunk = state.decoder.end();
     if (chunk && chunk.length) {
     if (chunk && chunk.length) {
       state.buffer.push(chunk);
       state.buffer.push(chunk);
       state.length += state.objectMode ? 1 : chunk.length;
       state.length += state.objectMode ? 1 : chunk.length;
     }
     }
   }
   }
-
   state.ended = true;
   state.ended = true;
 
 
-  if (state.sync) {
-    // if we are sync, wait until next tick to emit the data.
-    // Otherwise we risk emitting data in the flow()
-    // the readable code triggers during a read() call
-    emitReadable(stream);
-  } else {
-    // emit 'readable' now to make sure it gets picked up.
-    state.needReadable = false;
+  // emit 'readable' now to make sure it gets picked up.
+  emitReadable(stream);
+}
 
 
-    if (!state.emittedReadable) {
-      state.emittedReadable = true;
-      emitReadable_(stream);
-    }
-  }
-} // Don't emit readable right away in sync mode, because this can trigger
+// Don't emit readable right away in sync mode, because this can trigger
 // another read() call => stack overflow.  This way, it might trigger
 // another read() call => stack overflow.  This way, it might trigger
 // a nextTick recursion warning, but that's not so bad.
 // a nextTick recursion warning, but that's not so bad.
-
-
 function emitReadable(stream) {
 function emitReadable(stream) {
   var state = stream._readableState;
   var state = stream._readableState;
-  debug('emitReadable', state.needReadable, state.emittedReadable);
   state.needReadable = false;
   state.needReadable = false;
-
   if (!state.emittedReadable) {
   if (!state.emittedReadable) {
     debug('emitReadable', state.flowing);
     debug('emitReadable', state.flowing);
     state.emittedReadable = true;
     state.emittedReadable = true;
-    process.nextTick(emitReadable_, stream);
+    if (state.sync)
+      process.nextTick(function() {
+        emitReadable_(stream);
+      });
+    else
+      emitReadable_(stream);
   }
   }
 }
 }
 
 
 function emitReadable_(stream) {
 function emitReadable_(stream) {
-  var state = stream._readableState;
-  debug('emitReadable_', state.destroyed, state.length, state.ended);
-
-  if (!state.destroyed && (state.length || state.ended)) {
-    stream.emit('readable');
-    state.emittedReadable = false;
-  } // The stream needs another readable event if
-  // 1. It is not flowing, as the flow mechanism will take
-  //    care of it.
-  // 2. It is not ended.
-  // 3. It is below the highWaterMark, so we can schedule
-  //    another readable later.
+  debug('emit readable');
+  stream.emit('readable');
+  flow(stream);
+}
 
 
 
 
-  state.needReadable = !state.flowing && !state.ended && state.length <= state.highWaterMark;
-  flow(stream);
-} // at this point, the user has presumably seen the 'readable' event,
+// at this point, the user has presumably seen the 'readable' event,
 // and called read() to consume some data.  that may have triggered
 // and called read() to consume some data.  that may have triggered
 // in turn another _read(n) call, in which case reading = true if
 // in turn another _read(n) call, in which case reading = true if
 // it's in progress.
 // it's in progress.
 // However, if we're not ended, or reading, and the length < hwm,
 // However, if we're not ended, or reading, and the length < hwm,
 // then go ahead and try to read some more preemptively.
 // then go ahead and try to read some more preemptively.
-
-
 function maybeReadMore(stream, state) {
 function maybeReadMore(stream, state) {
   if (!state.readingMore) {
   if (!state.readingMore) {
     state.readingMore = true;
     state.readingMore = true;
-    process.nextTick(maybeReadMore_, stream, state);
+    process.nextTick(function() {
+      maybeReadMore_(stream, state);
+    });
   }
   }
 }
 }
 
 
 function maybeReadMore_(stream, state) {
 function maybeReadMore_(stream, state) {
-  // Attempt to read more data if we should.
-  //
-  // The conditions for reading more data are (one of):
-  // - Not enough data buffered (state.length < state.highWaterMark). The loop
-  //   is responsible for filling the buffer with enough data if such data
-  //   is available. If highWaterMark is 0 and we are not in the flowing mode
-  //   we should _not_ attempt to buffer any extra data. We'll get more data
-  //   when the stream consumer calls read() instead.
-  // - No data in the buffer, and the stream is in flowing mode. In this mode
-  //   the loop below is responsible for ensuring read() is called. Failing to
-  //   call read here would abort the flow and there's no other mechanism for
-  //   continuing the flow if the stream consumer has just subscribed to the
-  //   'data' event.
-  //
-  // In addition to the above conditions to keep reading data, the following
-  // conditions prevent the data from being read:
-  // - The stream has ended (state.ended).
-  // - There is already a pending 'read' operation (state.reading). This is a
-  //   case where the the stream has called the implementation defined _read()
-  //   method, but they are processing the call asynchronously and have _not_
-  //   called push() with new data. In this case we skip performing more
-  //   read()s. The execution ends in this method again after the _read() ends
-  //   up calling push() with more data.
-  while (!state.reading && !state.ended && (state.length < state.highWaterMark || state.flowing && state.length === 0)) {
-    var len = state.length;
+  var len = state.length;
+  while (!state.reading && !state.flowing && !state.ended &&
+         state.length < state.highWaterMark) {
     debug('maybeReadMore read 0');
     debug('maybeReadMore read 0');
     stream.read(0);
     stream.read(0);
-    if (len === state.length) // didn't get any data, stop spinning.
+    if (len === state.length)
+      // didn't get any data, stop spinning.
       break;
       break;
+    else
+      len = state.length;
   }
   }
-
   state.readingMore = false;
   state.readingMore = false;
-} // abstract method.  to be overridden in specific implementation classes.
+}
+
+// abstract method.  to be overridden in specific implementation classes.
 // call cb(er, data) where data is <= n in length.
 // call cb(er, data) where data is <= n in length.
 // for virtual (non-string, non-buffer) streams, "length" is somewhat
 // for virtual (non-string, non-buffer) streams, "length" is somewhat
 // arbitrary, and perhaps not very meaningful.
 // arbitrary, and perhaps not very meaningful.
-
-
-Readable.prototype._read = function (n) {
-  errorOrDestroy(this, new ERR_METHOD_NOT_IMPLEMENTED('_read()'));
+Readable.prototype._read = function(n) {
+  this.emit('error', new Error('not implemented'));
 };
 };
 
 
-Readable.prototype.pipe = function (dest, pipeOpts) {
+Readable.prototype.pipe = function(dest, pipeOpts) {
   var src = this;
   var src = this;
   var state = this._readableState;
   var state = this._readableState;
 
 
@@ -613,123 +504,122 @@ Readable.prototype.pipe = function (dest, pipeOpts) {
     case 0:
     case 0:
       state.pipes = dest;
       state.pipes = dest;
       break;
       break;
-
     case 1:
     case 1:
       state.pipes = [state.pipes, dest];
       state.pipes = [state.pipes, dest];
       break;
       break;
-
     default:
     default:
       state.pipes.push(dest);
       state.pipes.push(dest);
       break;
       break;
   }
   }
-
   state.pipesCount += 1;
   state.pipesCount += 1;
   debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts);
   debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts);
-  var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr;
-  var endFn = doEnd ? onend : unpipe;
-  if (state.endEmitted) process.nextTick(endFn);else src.once('end', endFn);
-  dest.on('unpipe', onunpipe);
 
 
-  function onunpipe(readable, unpipeInfo) {
-    debug('onunpipe');
+  var doEnd = (!pipeOpts || pipeOpts.end !== false) &&
+              dest !== process.stdout &&
+              dest !== process.stderr;
+
+  var endFn = doEnd ? onend : cleanup;
+  if (state.endEmitted)
+    process.nextTick(endFn);
+  else
+    src.once('end', endFn);
 
 
+  dest.on('unpipe', onunpipe);
+  function onunpipe(readable) {
+    debug('onunpipe');
     if (readable === src) {
     if (readable === src) {
-      if (unpipeInfo && unpipeInfo.hasUnpiped === false) {
-        unpipeInfo.hasUnpiped = true;
-        cleanup();
-      }
+      cleanup();
     }
     }
   }
   }
 
 
   function onend() {
   function onend() {
     debug('onend');
     debug('onend');
     dest.end();
     dest.end();
-  } // when the dest drains, it reduces the awaitDrain counter
+  }
+
+  // when the dest drains, it reduces the awaitDrain counter
   // on the source.  This would be more elegant with a .once()
   // on the source.  This would be more elegant with a .once()
   // handler in flow(), but adding and removing repeatedly is
   // handler in flow(), but adding and removing repeatedly is
   // too slow.
   // too slow.
-
-
   var ondrain = pipeOnDrain(src);
   var ondrain = pipeOnDrain(src);
   dest.on('drain', ondrain);
   dest.on('drain', ondrain);
-  var cleanedUp = false;
 
 
   function cleanup() {
   function cleanup() {
-    debug('cleanup'); // cleanup event handlers once the pipe is broken
-
+    debug('cleanup');
+    // cleanup event handlers once the pipe is broken
     dest.removeListener('close', onclose);
     dest.removeListener('close', onclose);
     dest.removeListener('finish', onfinish);
     dest.removeListener('finish', onfinish);
     dest.removeListener('drain', ondrain);
     dest.removeListener('drain', ondrain);
     dest.removeListener('error', onerror);
     dest.removeListener('error', onerror);
     dest.removeListener('unpipe', onunpipe);
     dest.removeListener('unpipe', onunpipe);
     src.removeListener('end', onend);
     src.removeListener('end', onend);
-    src.removeListener('end', unpipe);
+    src.removeListener('end', cleanup);
     src.removeListener('data', ondata);
     src.removeListener('data', ondata);
-    cleanedUp = true; // if the reader is waiting for a drain event from this
+
+    // if the reader is waiting for a drain event from this
     // specific writer, then it would cause it to never start
     // specific writer, then it would cause it to never start
     // flowing again.
     // flowing again.
     // So, if this is awaiting a drain, then we just call it now.
     // So, if this is awaiting a drain, then we just call it now.
     // If we don't know, then assume that we are waiting for one.
     // If we don't know, then assume that we are waiting for one.
-
-    if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain();
+    if (state.awaitDrain &&
+        (!dest._writableState || dest._writableState.needDrain))
+      ondrain();
   }
   }
 
 
   src.on('data', ondata);
   src.on('data', ondata);
-
   function ondata(chunk) {
   function ondata(chunk) {
     debug('ondata');
     debug('ondata');
     var ret = dest.write(chunk);
     var ret = dest.write(chunk);
-    debug('dest.write', ret);
-
-    if (ret === false) {
-      // If the user unpiped during `dest.write()`, it is possible
-      // to get stuck in a permanently paused state if that write
-      // also returned false.
-      // => Check whether `dest` is still a piping destination.
-      if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf(state.pipes, dest) !== -1) && !cleanedUp) {
-        debug('false write response, pause', state.awaitDrain);
-        state.awaitDrain++;
-      }
-
+    if (false === ret) {
+      debug('false write response, pause',
+            src._readableState.awaitDrain);
+      src._readableState.awaitDrain++;
       src.pause();
       src.pause();
     }
     }
-  } // if the dest has an error, then stop piping into it.
-  // however, don't suppress the throwing behavior for this.
-
+  }
 
 
+  // if the dest has an error, then stop piping into it.
+  // however, don't suppress the throwing behavior for this.
   function onerror(er) {
   function onerror(er) {
     debug('onerror', er);
     debug('onerror', er);
     unpipe();
     unpipe();
     dest.removeListener('error', onerror);
     dest.removeListener('error', onerror);
-    if (EElistenerCount(dest, 'error') === 0) errorOrDestroy(dest, er);
-  } // Make sure our error handler is attached before userland ones.
+    if (EE.listenerCount(dest, 'error') === 0)
+      dest.emit('error', er);
+  }
+  // This is a brutally ugly hack to make sure that our error handler
+  // is attached before any userland ones.  NEVER DO THIS.
+  if (!dest._events || !dest._events.error)
+    dest.on('error', onerror);
+  else if (isArray(dest._events.error))
+    dest._events.error.unshift(onerror);
+  else
+    dest._events.error = [onerror, dest._events.error];
 
 
 
 
-  prependListener(dest, 'error', onerror); // Both close and finish should trigger unpipe, but only once.
 
 
+  // Both close and finish should trigger unpipe, but only once.
   function onclose() {
   function onclose() {
     dest.removeListener('finish', onfinish);
     dest.removeListener('finish', onfinish);
     unpipe();
     unpipe();
   }
   }
-
   dest.once('close', onclose);
   dest.once('close', onclose);
-
   function onfinish() {
   function onfinish() {
     debug('onfinish');
     debug('onfinish');
     dest.removeListener('close', onclose);
     dest.removeListener('close', onclose);
     unpipe();
     unpipe();
   }
   }
-
   dest.once('finish', onfinish);
   dest.once('finish', onfinish);
 
 
   function unpipe() {
   function unpipe() {
     debug('unpipe');
     debug('unpipe');
     src.unpipe(dest);
     src.unpipe(dest);
-  } // tell the dest that it's being piped to
-
+  }
 
 
-  dest.emit('pipe', src); // start the flow if it hasn't been started already.
+  // tell the dest that it's being piped to
+  dest.emit('pipe', src);
 
 
+  // start the flow if it hasn't been started already.
   if (!state.flowing) {
   if (!state.flowing) {
     debug('pipe resume');
     debug('pipe resume');
     src.resume();
     src.resume();
@@ -739,38 +629,45 @@ Readable.prototype.pipe = function (dest, pipeOpts) {
 };
 };
 
 
 function pipeOnDrain(src) {
 function pipeOnDrain(src) {
-  return function pipeOnDrainFunctionResult() {
+  return function() {
     var state = src._readableState;
     var state = src._readableState;
     debug('pipeOnDrain', state.awaitDrain);
     debug('pipeOnDrain', state.awaitDrain);
-    if (state.awaitDrain) state.awaitDrain--;
-
-    if (state.awaitDrain === 0 && EElistenerCount(src, 'data')) {
+    if (state.awaitDrain)
+      state.awaitDrain--;
+    if (state.awaitDrain === 0 && EE.listenerCount(src, 'data')) {
       state.flowing = true;
       state.flowing = true;
       flow(src);
       flow(src);
     }
     }
   };
   };
 }
 }
 
 
-Readable.prototype.unpipe = function (dest) {
+
+Readable.prototype.unpipe = function(dest) {
   var state = this._readableState;
   var state = this._readableState;
-  var unpipeInfo = {
-    hasUnpiped: false
-  }; // if we're not piping anywhere, then do nothing.
 
 
-  if (state.pipesCount === 0) return this; // just one destination.  most common case.
+  // if we're not piping anywhere, then do nothing.
+  if (state.pipesCount === 0)
+    return this;
 
 
+  // just one destination.  most common case.
   if (state.pipesCount === 1) {
   if (state.pipesCount === 1) {
     // passed in one, but it's not the right one.
     // passed in one, but it's not the right one.
-    if (dest && dest !== state.pipes) return this;
-    if (!dest) dest = state.pipes; // got a match.
+    if (dest && dest !== state.pipes)
+      return this;
+
+    if (!dest)
+      dest = state.pipes;
 
 
+    // got a match.
     state.pipes = null;
     state.pipes = null;
     state.pipesCount = 0;
     state.pipesCount = 0;
     state.flowing = false;
     state.flowing = false;
-    if (dest) dest.emit('unpipe', this, unpipeInfo);
+    if (dest)
+      dest.emit('unpipe', this);
     return this;
     return this;
-  } // slow case. multiple pipe destinations.
+  }
 
 
+  // slow case. multiple pipe destinations.
 
 
   if (!dest) {
   if (!dest) {
     // remove all.
     // remove all.
@@ -780,345 +677,275 @@ Readable.prototype.unpipe = function (dest) {
     state.pipesCount = 0;
     state.pipesCount = 0;
     state.flowing = false;
     state.flowing = false;
 
 
-    for (var i = 0; i < len; i++) {
-      dests[i].emit('unpipe', this, {
-        hasUnpiped: false
-      });
-    }
-
+    for (var i = 0; i < len; i++)
+      dests[i].emit('unpipe', this);
     return this;
     return this;
-  } // try to find the right one.
+  }
 
 
+  // try to find the right one.
+  var i = indexOf(state.pipes, dest);
+  if (i === -1)
+    return this;
 
 
-  var index = indexOf(state.pipes, dest);
-  if (index === -1) return this;
-  state.pipes.splice(index, 1);
+  state.pipes.splice(i, 1);
   state.pipesCount -= 1;
   state.pipesCount -= 1;
-  if (state.pipesCount === 1) state.pipes = state.pipes[0];
-  dest.emit('unpipe', this, unpipeInfo);
-  return this;
-}; // set up data events if they are asked for
-// Ensure readable listeners eventually get something
+  if (state.pipesCount === 1)
+    state.pipes = state.pipes[0];
+
+  dest.emit('unpipe', this);
 
 
+  return this;
+};
 
 
-Readable.prototype.on = function (ev, fn) {
+// set up data events if they are asked for
+// Ensure readable listeners eventually get something
+Readable.prototype.on = function(ev, fn) {
   var res = Stream.prototype.on.call(this, ev, fn);
   var res = Stream.prototype.on.call(this, ev, fn);
-  var state = this._readableState;
 
 
-  if (ev === 'data') {
-    // update readableListening so that resume() may be a no-op
-    // a few lines down. This is needed to support once('readable').
-    state.readableListening = this.listenerCount('readable') > 0; // Try start flowing on next tick if stream isn't explicitly paused
+  // If listening to data, and it has not explicitly been paused,
+  // then call resume to start the flow of data on the next tick.
+  if (ev === 'data' && false !== this._readableState.flowing) {
+    this.resume();
+  }
 
 
-    if (state.flowing !== false) this.resume();
-  } else if (ev === 'readable') {
-    if (!state.endEmitted && !state.readableListening) {
-      state.readableListening = state.needReadable = true;
-      state.flowing = false;
+  if (ev === 'readable' && this.readable) {
+    var state = this._readableState;
+    if (!state.readableListening) {
+      state.readableListening = true;
       state.emittedReadable = false;
       state.emittedReadable = false;
-      debug('on readable', state.length, state.reading);
-
-      if (state.length) {
-        emitReadable(this);
-      } else if (!state.reading) {
-        process.nextTick(nReadingNextTick, this);
+      state.needReadable = true;
+      if (!state.reading) {
+        var self = this;
+        process.nextTick(function() {
+          debug('readable nexttick read 0');
+          self.read(0);
+        });
+      } else if (state.length) {
+        emitReadable(this, state);
       }
       }
     }
     }
   }
   }
 
 
   return res;
   return res;
 };
 };
-
 Readable.prototype.addListener = Readable.prototype.on;
 Readable.prototype.addListener = Readable.prototype.on;
 
 
-Readable.prototype.removeListener = function (ev, fn) {
-  var res = Stream.prototype.removeListener.call(this, ev, fn);
-
-  if (ev === 'readable') {
-    // We need to check if there is someone still listening to
-    // readable and reset the state. However this needs to happen
-    // after readable has been emitted but before I/O (nextTick) to
-    // support once('readable', fn) cycles. This means that calling
-    // resume within the same tick will have no
-    // effect.
-    process.nextTick(updateReadableListening, this);
-  }
-
-  return res;
-};
-
-Readable.prototype.removeAllListeners = function (ev) {
-  var res = Stream.prototype.removeAllListeners.apply(this, arguments);
-
-  if (ev === 'readable' || ev === undefined) {
-    // We need to check if there is someone still listening to
-    // readable and reset the state. However this needs to happen
-    // after readable has been emitted but before I/O (nextTick) to
-    // support once('readable', fn) cycles. This means that calling
-    // resume within the same tick will have no
-    // effect.
-    process.nextTick(updateReadableListening, this);
-  }
-
-  return res;
-};
-
-function updateReadableListening(self) {
-  var state = self._readableState;
-  state.readableListening = self.listenerCount('readable') > 0;
-
-  if (state.resumeScheduled && !state.paused) {
-    // flowing needs to be set to true now, otherwise
-    // the upcoming resume will not flow.
-    state.flowing = true; // crude way to check if we should resume
-  } else if (self.listenerCount('data') > 0) {
-    self.resume();
-  }
-}
-
-function nReadingNextTick(self) {
-  debug('readable nexttick read 0');
-  self.read(0);
-} // pause() and resume() are remnants of the legacy readable stream API
+// pause() and resume() are remnants of the legacy readable stream API
 // If the user uses them, then switch into old mode.
 // If the user uses them, then switch into old mode.
-
-
-Readable.prototype.resume = function () {
+Readable.prototype.resume = function() {
   var state = this._readableState;
   var state = this._readableState;
-
   if (!state.flowing) {
   if (!state.flowing) {
-    debug('resume'); // we flow only if there is no one listening
-    // for readable, but we still have to call
-    // resume()
-
-    state.flowing = !state.readableListening;
+    debug('resume');
+    state.flowing = true;
+    if (!state.reading) {
+      debug('resume read 0');
+      this.read(0);
+    }
     resume(this, state);
     resume(this, state);
   }
   }
-
-  state.paused = false;
   return this;
   return this;
 };
 };
 
 
 function resume(stream, state) {
 function resume(stream, state) {
   if (!state.resumeScheduled) {
   if (!state.resumeScheduled) {
     state.resumeScheduled = true;
     state.resumeScheduled = true;
-    process.nextTick(resume_, stream, state);
+    process.nextTick(function() {
+      resume_(stream, state);
+    });
   }
   }
 }
 }
 
 
 function resume_(stream, state) {
 function resume_(stream, state) {
-  debug('resume', state.reading);
-
-  if (!state.reading) {
-    stream.read(0);
-  }
-
   state.resumeScheduled = false;
   state.resumeScheduled = false;
   stream.emit('resume');
   stream.emit('resume');
   flow(stream);
   flow(stream);
-  if (state.flowing && !state.reading) stream.read(0);
+  if (state.flowing && !state.reading)
+    stream.read(0);
 }
 }
 
 
-Readable.prototype.pause = function () {
+Readable.prototype.pause = function() {
   debug('call pause flowing=%j', this._readableState.flowing);
   debug('call pause flowing=%j', this._readableState.flowing);
-
-  if (this._readableState.flowing !== false) {
+  if (false !== this._readableState.flowing) {
     debug('pause');
     debug('pause');
     this._readableState.flowing = false;
     this._readableState.flowing = false;
     this.emit('pause');
     this.emit('pause');
   }
   }
-
-  this._readableState.paused = true;
   return this;
   return this;
 };
 };
 
 
 function flow(stream) {
 function flow(stream) {
   var state = stream._readableState;
   var state = stream._readableState;
   debug('flow', state.flowing);
   debug('flow', state.flowing);
-
-  while (state.flowing && stream.read() !== null) {
-    ;
+  if (state.flowing) {
+    do {
+      var chunk = stream.read();
+    } while (null !== chunk && state.flowing);
   }
   }
-} // wrap an old-style stream as the async data source.
+}
+
+// wrap an old-style stream as the async data source.
 // This is *not* part of the readable stream interface.
 // This is *not* part of the readable stream interface.
 // It is an ugly unfortunate mess of history.
 // It is an ugly unfortunate mess of history.
-
-
-Readable.prototype.wrap = function (stream) {
-  var _this = this;
-
+Readable.prototype.wrap = function(stream) {
   var state = this._readableState;
   var state = this._readableState;
   var paused = false;
   var paused = false;
-  stream.on('end', function () {
-    debug('wrapped end');
 
 
+  var self = this;
+  stream.on('end', function() {
+    debug('wrapped end');
     if (state.decoder && !state.ended) {
     if (state.decoder && !state.ended) {
       var chunk = state.decoder.end();
       var chunk = state.decoder.end();
-      if (chunk && chunk.length) _this.push(chunk);
+      if (chunk && chunk.length)
+        self.push(chunk);
     }
     }
 
 
-    _this.push(null);
+    self.push(null);
   });
   });
-  stream.on('data', function (chunk) {
-    debug('wrapped data');
-    if (state.decoder) chunk = state.decoder.write(chunk); // don't skip over falsy values in objectMode
-
-    if (state.objectMode && (chunk === null || chunk === undefined)) return;else if (!state.objectMode && (!chunk || !chunk.length)) return;
 
 
-    var ret = _this.push(chunk);
+  stream.on('data', function(chunk) {
+    debug('wrapped data');
+    if (state.decoder)
+      chunk = state.decoder.write(chunk);
+    if (!chunk || !state.objectMode && !chunk.length)
+      return;
 
 
+    var ret = self.push(chunk);
     if (!ret) {
     if (!ret) {
       paused = true;
       paused = true;
       stream.pause();
       stream.pause();
     }
     }
-  }); // proxy all the other methods.
-  // important when wrapping filters and duplexes.
+  });
 
 
+  // proxy all the other methods.
+  // important when wrapping filters and duplexes.
   for (var i in stream) {
   for (var i in stream) {
-    if (this[i] === undefined && typeof stream[i] === 'function') {
-      this[i] = function methodWrap(method) {
-        return function methodWrapReturnFunction() {
-          return stream[method].apply(stream, arguments);
-        };
-      }(i);
+    if (util.isFunction(stream[i]) && util.isUndefined(this[i])) {
+      this[i] = function(method) { return function() {
+        return stream[method].apply(stream, arguments);
+      }}(i);
     }
     }
-  } // proxy certain important events.
+  }
 
 
+  // proxy certain important events.
+  var events = ['error', 'close', 'destroy', 'pause', 'resume'];
+  forEach(events, function(ev) {
+    stream.on(ev, self.emit.bind(self, ev));
+  });
 
 
-  for (var n = 0; n < kProxyEvents.length; n++) {
-    stream.on(kProxyEvents[n], this.emit.bind(this, kProxyEvents[n]));
-  } // when we try to consume some more bytes, simply unpause the
+  // when we try to consume some more bytes, simply unpause the
   // underlying stream.
   // underlying stream.
-
-
-  this._read = function (n) {
+  self._read = function(n) {
     debug('wrapped _read', n);
     debug('wrapped _read', n);
-
     if (paused) {
     if (paused) {
       paused = false;
       paused = false;
       stream.resume();
       stream.resume();
     }
     }
   };
   };
 
 
-  return this;
+  return self;
 };
 };
 
 
-if (typeof Symbol === 'function') {
-  Readable.prototype[Symbol.asyncIterator] = function () {
-    if (createReadableStreamAsyncIterator === undefined) {
-      createReadableStreamAsyncIterator = require('./internal/streams/async_iterator');
-    }
 
 
-    return createReadableStreamAsyncIterator(this);
-  };
-}
-
-Object.defineProperty(Readable.prototype, 'readableHighWaterMark', {
-  // making it explicit this property is not enumerable
-  // because otherwise some prototype manipulation in
-  // userland will fail
-  enumerable: false,
-  get: function get() {
-    return this._readableState.highWaterMark;
-  }
-});
-Object.defineProperty(Readable.prototype, 'readableBuffer', {
-  // making it explicit this property is not enumerable
-  // because otherwise some prototype manipulation in
-  // userland will fail
-  enumerable: false,
-  get: function get() {
-    return this._readableState && this._readableState.buffer;
-  }
-});
-Object.defineProperty(Readable.prototype, 'readableFlowing', {
-  // making it explicit this property is not enumerable
-  // because otherwise some prototype manipulation in
-  // userland will fail
-  enumerable: false,
-  get: function get() {
-    return this._readableState.flowing;
-  },
-  set: function set(state) {
-    if (this._readableState) {
-      this._readableState.flowing = state;
-    }
-  }
-}); // exposed for testing purposes only.
 
 
+// exposed for testing purposes only.
 Readable._fromList = fromList;
 Readable._fromList = fromList;
-Object.defineProperty(Readable.prototype, 'readableLength', {
-  // making it explicit this property is not enumerable
-  // because otherwise some prototype manipulation in
-  // userland will fail
-  enumerable: false,
-  get: function get() {
-    return this._readableState.length;
-  }
-}); // Pluck off n bytes from an array of buffers.
-// Length is the combined lengths of all the buffers in the list.
-// This function is designed to be inlinable, so please take care when making
-// changes to the function body.
 
 
+// Pluck off n bytes from an array of buffers.
+// Length is the combined lengths of all the buffers in the list.
 function fromList(n, state) {
 function fromList(n, state) {
-  // nothing buffered
-  if (state.length === 0) return null;
+  var list = state.buffer;
+  var length = state.length;
+  var stringMode = !!state.decoder;
+  var objectMode = !!state.objectMode;
   var ret;
   var ret;
-  if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) {
-    // read it all, truncate the list
-    if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.first();else ret = state.buffer.concat(state.length);
-    state.buffer.clear();
+
+  // nothing in the list, definitely empty.
+  if (list.length === 0)
+    return null;
+
+  if (length === 0)
+    ret = null;
+  else if (objectMode)
+    ret = list.shift();
+  else if (!n || n >= length) {
+    // read it all, truncate the array.
+    if (stringMode)
+      ret = list.join('');
+    else
+      ret = Buffer.concat(list, length);
+    list.length = 0;
   } else {
   } else {
-    // read part of list
-    ret = state.buffer.consume(n, state.decoder);
+    // read just some of it.
+    if (n < list[0].length) {
+      // just take a part of the first list item.
+      // slice is the same for buffers and strings.
+      var buf = list[0];
+      ret = buf.slice(0, n);
+      list[0] = buf.slice(n);
+    } else if (n === list[0].length) {
+      // first list is a perfect match
+      ret = list.shift();
+    } else {
+      // complex case.
+      // we have enough to cover it, but it spans past the first buffer.
+      if (stringMode)
+        ret = '';
+      else
+        ret = new Buffer(n);
+
+      var c = 0;
+      for (var i = 0, l = list.length; i < l && c < n; i++) {
+        var buf = list[0];
+        var cpy = Math.min(n - c, buf.length);
+
+        if (stringMode)
+          ret += buf.slice(0, cpy);
+        else
+          buf.copy(ret, c, 0, cpy);
+
+        if (cpy < buf.length)
+          list[0] = buf.slice(cpy);
+        else
+          list.shift();
+
+        c += cpy;
+      }
+    }
   }
   }
+
   return ret;
   return ret;
 }
 }
 
 
 function endReadable(stream) {
 function endReadable(stream) {
   var state = stream._readableState;
   var state = stream._readableState;
-  debug('endReadable', state.endEmitted);
+
+  // If we get here before consuming all the bytes, then that is a
+  // bug in node.  Should never happen.
+  if (state.length > 0)
+    throw new Error('endReadable called on non-empty stream');
 
 
   if (!state.endEmitted) {
   if (!state.endEmitted) {
     state.ended = true;
     state.ended = true;
-    process.nextTick(endReadableNT, state, stream);
-  }
-}
-
-function endReadableNT(state, stream) {
-  debug('endReadableNT', state.endEmitted, state.length); // Check that we didn't get one last unshift.
-
-  if (!state.endEmitted && state.length === 0) {
-    state.endEmitted = true;
-    stream.readable = false;
-    stream.emit('end');
-
-    if (state.autoDestroy) {
-      // In case of duplex streams we need a way to detect
-      // if the writable side is ready for autoDestroy as well
-      var wState = stream._writableState;
-
-      if (!wState || wState.autoDestroy && wState.finished) {
-        stream.destroy();
+    process.nextTick(function() {
+      // Check that we didn't get one last unshift.
+      if (!state.endEmitted && state.length === 0) {
+        state.endEmitted = true;
+        stream.readable = false;
+        stream.emit('end');
       }
       }
-    }
+    });
   }
   }
 }
 }
 
 
-if (typeof Symbol === 'function') {
-  Readable.from = function (iterable, opts) {
-    if (from === undefined) {
-      from = require('./internal/streams/from');
-    }
-
-    return from(Readable, iterable, opts);
-  };
+function forEach (xs, f) {
+  for (var i = 0, l = xs.length; i < l; i++) {
+    f(xs[i], i);
+  }
 }
 }
 
 
-function indexOf(xs, x) {
+function indexOf (xs, x) {
   for (var i = 0, l = xs.length; i < l; i++) {
   for (var i = 0, l = xs.length; i < l; i++) {
     if (xs[i] === x) return i;
     if (xs[i] === x) return i;
   }
   }
-
   return -1;
   return -1;
-}
\ No newline at end of file
+}

@@ -18,6 +18,8 @@
 // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
 // a transform stream is a readable/writable stream where you do
 // a transform stream is a readable/writable stream where you do
 // something with the data.  Sometimes it's called a "filter",
 // something with the data.  Sometimes it's called a "filter",
 // but that's not a great name for it, since that implies a thing where
 // but that's not a great name for it, since that implies a thing where
@@ -59,85 +61,91 @@
 // However, even in such a pathological case, only a single written chunk
 // However, even in such a pathological case, only a single written chunk
 // would be consumed, and then the rest would wait (un-transformed) until
 // would be consumed, and then the rest would wait (un-transformed) until
 // the results of the previous transformed chunk were consumed.
 // the results of the previous transformed chunk were consumed.
-'use strict';
 
 
 module.exports = Transform;
 module.exports = Transform;
 
 
-var _require$codes = require('../errors').codes,
-    ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED,
-    ERR_MULTIPLE_CALLBACK = _require$codes.ERR_MULTIPLE_CALLBACK,
-    ERR_TRANSFORM_ALREADY_TRANSFORMING = _require$codes.ERR_TRANSFORM_ALREADY_TRANSFORMING,
-    ERR_TRANSFORM_WITH_LENGTH_0 = _require$codes.ERR_TRANSFORM_WITH_LENGTH_0;
-
 var Duplex = require('./_stream_duplex');
 var Duplex = require('./_stream_duplex');
 
 
-require('inherits')(Transform, Duplex);
+/*<replacement>*/
+var util = require('core-util-is');
+util.inherits = require('inherits');
+/*</replacement>*/
 
 
-function afterTransform(er, data) {
-  var ts = this._transformState;
+util.inherits(Transform, Duplex);
+
+
+function TransformState(options, stream) {
+  this.afterTransform = function(er, data) {
+    return afterTransform(stream, er, data);
+  };
+
+  this.needTransform = false;
+  this.transforming = false;
+  this.writecb = null;
+  this.writechunk = null;
+}
+
+function afterTransform(stream, er, data) {
+  var ts = stream._transformState;
   ts.transforming = false;
   ts.transforming = false;
+
   var cb = ts.writecb;
   var cb = ts.writecb;
 
 
-  if (cb === null) {
-    return this.emit('error', new ERR_MULTIPLE_CALLBACK());
-  }
+  if (!cb)
+    return stream.emit('error', new Error('no writecb in Transform class'));
 
 
   ts.writechunk = null;
   ts.writechunk = null;
   ts.writecb = null;
   ts.writecb = null;
-  if (data != null) // single equals check for both `null` and `undefined`
-    this.push(data);
-  cb(er);
-  var rs = this._readableState;
-  rs.reading = false;
 
 
+  if (!util.isNullOrUndefined(data))
+    stream.push(data);
+
+  if (cb)
+    cb(er);
+
+  var rs = stream._readableState;
+  rs.reading = false;
   if (rs.needReadable || rs.length < rs.highWaterMark) {
   if (rs.needReadable || rs.length < rs.highWaterMark) {
-    this._read(rs.highWaterMark);
+    stream._read(rs.highWaterMark);
   }
   }
 }
 }
 
 
+
 function Transform(options) {
 function Transform(options) {
-  if (!(this instanceof Transform)) return new Transform(options);
-  Duplex.call(this, options);
-  this._transformState = {
-    afterTransform: afterTransform.bind(this),
-    needTransform: false,
-    transforming: false,
-    writecb: null,
-    writechunk: null,
-    writeencoding: null
-  }; // start out asking for a readable event once data is transformed.
-
-  this._readableState.needReadable = true; // we have implemented the _read method, and done the other things
-  // that Readable wants before the first _read call, so unset the
-  // sync guard flag.
+  if (!(this instanceof Transform))
+    return new Transform(options);
 
 
-  this._readableState.sync = false;
+  Duplex.call(this, options);
 
 
-  if (options) {
-    if (typeof options.transform === 'function') this._transform = options.transform;
-    if (typeof options.flush === 'function') this._flush = options.flush;
-  } // When the writable side finishes, then flush out anything remaining.
+  this._transformState = new TransformState(options, this);
 
 
+  // when the writable side finishes, then flush out anything remaining.
+  var stream = this;
 
 
-  this.on('prefinish', prefinish);
-}
+  // start out asking for a readable event once data is transformed.
+  this._readableState.needReadable = true;
 
 
-function prefinish() {
-  var _this = this;
+  // we have implemented the _read method, and done the other things
+  // that Readable wants before the first _read call, so unset the
+  // sync guard flag.
+  this._readableState.sync = false;
 
 
-  if (typeof this._flush === 'function' && !this._readableState.destroyed) {
-    this._flush(function (er, data) {
-      done(_this, er, data);
-    });
-  } else {
-    done(this, null, null);
-  }
+  this.once('prefinish', function() {
+    if (util.isFunction(this._flush))
+      this._flush(function(er) {
+        done(stream, er);
+      });
+    else
+      done(stream);
+  });
 }
 }
 
 
-Transform.prototype.push = function (chunk, encoding) {
+Transform.prototype.push = function(chunk, encoding) {
   this._transformState.needTransform = false;
   this._transformState.needTransform = false;
   return Duplex.prototype.push.call(this, chunk, encoding);
   return Duplex.prototype.push.call(this, chunk, encoding);
-}; // This is the part where you do stuff!
+};
+
+// This is the part where you do stuff!
 // override this function in implementation classes.
 // override this function in implementation classes.
 // 'chunk' is an input chunk.
 // 'chunk' is an input chunk.
 //
 //
@@ -147,33 +155,32 @@ Transform.prototype.push = function (chunk, encoding) {
 // Call `cb(err)` when you are done with this chunk.  If you pass
 // Call `cb(err)` when you are done with this chunk.  If you pass
 // an error, then that'll put the hurt on the whole operation.  If you
 // an error, then that'll put the hurt on the whole operation.  If you
 // never call cb(), then you'll never get another chunk.
 // never call cb(), then you'll never get another chunk.
-
-
-Transform.prototype._transform = function (chunk, encoding, cb) {
-  cb(new ERR_METHOD_NOT_IMPLEMENTED('_transform()'));
+Transform.prototype._transform = function(chunk, encoding, cb) {
+  throw new Error('not implemented');
 };
 };
 
 
-Transform.prototype._write = function (chunk, encoding, cb) {
+Transform.prototype._write = function(chunk, encoding, cb) {
   var ts = this._transformState;
   var ts = this._transformState;
   ts.writecb = cb;
   ts.writecb = cb;
   ts.writechunk = chunk;
   ts.writechunk = chunk;
   ts.writeencoding = encoding;
   ts.writeencoding = encoding;
-
   if (!ts.transforming) {
   if (!ts.transforming) {
     var rs = this._readableState;
     var rs = this._readableState;
-    if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark);
+    if (ts.needTransform ||
+        rs.needReadable ||
+        rs.length < rs.highWaterMark)
+      this._read(rs.highWaterMark);
   }
   }
-}; // Doesn't matter what the args are here.
+};
+
+// Doesn't matter what the args are here.
 // _transform does all the work.
 // _transform does all the work.
 // That we got here means that the readable side wants more data.
 // That we got here means that the readable side wants more data.
-
-
-Transform.prototype._read = function (n) {
+Transform.prototype._read = function(n) {
   var ts = this._transformState;
   var ts = this._transformState;
 
 
-  if (ts.writechunk !== null && !ts.transforming) {
+  if (!util.isNull(ts.writechunk) && ts.writecb && !ts.transforming) {
     ts.transforming = true;
     ts.transforming = true;
-
     this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
     this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
   } else {
   } else {
     // mark that we need a transform, so that any data that comes in
     // mark that we need a transform, so that any data that comes in
@@ -182,20 +189,21 @@ Transform.prototype._read = function (n) {
   }
   }
 };
 };
 
 
-Transform.prototype._destroy = function (err, cb) {
-  Duplex.prototype._destroy.call(this, err, function (err2) {
-    cb(err2);
-  });
-};
 
 
-function done(stream, er, data) {
-  if (er) return stream.emit('error', er);
-  if (data != null) // single equals check for both `null` and `undefined`
-    stream.push(data); // TODO(BridgeAR): Write a test for these two error cases
+function done(stream, er) {
+  if (er)
+    return stream.emit('error', er);
+
   // if there's nothing in the write buffer, then that means
   // if there's nothing in the write buffer, then that means
   // that nothing more will ever be provided
   // that nothing more will ever be provided
+  var ws = stream._writableState;
+  var ts = stream._transformState;
+
+  if (ws.length)
+    throw new Error('calling transform done when ws.length != 0');
+
+  if (ts.transforming)
+    throw new Error('calling transform done when still transforming');
 
 
-  if (stream._writableState.length) throw new ERR_TRANSFORM_WITH_LENGTH_0();
-  if (stream._transformState.transforming) throw new ERR_TRANSFORM_ALREADY_TRANSFORMING();
   return stream.push(null);
   return stream.push(null);
-}
\ No newline at end of file
+}

@@ -18,385 +18,252 @@
 // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
+
 // A bit simpler than readable streams.
 // A bit simpler than readable streams.
-// Implement an async ._write(chunk, encoding, cb), and it'll handle all
+// Implement an async ._write(chunk, cb), and it'll handle all
 // the drain event emission and buffering.
 // the drain event emission and buffering.
-'use strict';
 
 
 module.exports = Writable;
 module.exports = Writable;
-/* <replacement> */
-
-function WriteReq(chunk, encoding, cb) {
-  this.chunk = chunk;
-  this.encoding = encoding;
-  this.callback = cb;
-  this.next = null;
-} // It seems a linked list but it is not
-// there will be only 2 of these for each stream
-
-
-function CorkedRequest(state) {
-  var _this = this;
-
-  this.next = null;
-  this.entry = null;
-
-  this.finish = function () {
-    onCorkedFinish(_this, state);
-  };
-}
-/* </replacement> */
 
 
 /*<replacement>*/
 /*<replacement>*/
-
-
-var Duplex;
+var Buffer = require('buffer').Buffer;
 /*</replacement>*/
 /*</replacement>*/
 
 
 Writable.WritableState = WritableState;
 Writable.WritableState = WritableState;
-/*<replacement>*/
 
 
-var internalUtil = {
-  deprecate: require('util-deprecate')
-};
-/*</replacement>*/
 
 
 /*<replacement>*/
 /*<replacement>*/
-
-var Stream = require('./internal/streams/stream');
+var util = require('core-util-is');
+util.inherits = require('inherits');
 /*</replacement>*/
 /*</replacement>*/
 
 
+var Stream = require('stream');
 
 
-var Buffer = require('buffer').Buffer;
-
-var OurUint8Array = global.Uint8Array || function () {};
-
-function _uint8ArrayToBuffer(chunk) {
-  return Buffer.from(chunk);
-}
+util.inherits(Writable, Stream);
 
 
-function _isUint8Array(obj) {
-  return Buffer.isBuffer(obj) || obj instanceof OurUint8Array;
+function WriteReq(chunk, encoding, cb) {
+  this.chunk = chunk;
+  this.encoding = encoding;
+  this.callback = cb;
 }
 }
 
 
-var destroyImpl = require('./internal/streams/destroy');
-
-var _require = require('./internal/streams/state'),
-    getHighWaterMark = _require.getHighWaterMark;
-
-var _require$codes = require('../errors').codes,
-    ERR_INVALID_ARG_TYPE = _require$codes.ERR_INVALID_ARG_TYPE,
-    ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED,
-    ERR_MULTIPLE_CALLBACK = _require$codes.ERR_MULTIPLE_CALLBACK,
-    ERR_STREAM_CANNOT_PIPE = _require$codes.ERR_STREAM_CANNOT_PIPE,
-    ERR_STREAM_DESTROYED = _require$codes.ERR_STREAM_DESTROYED,
-    ERR_STREAM_NULL_VALUES = _require$codes.ERR_STREAM_NULL_VALUES,
-    ERR_STREAM_WRITE_AFTER_END = _require$codes.ERR_STREAM_WRITE_AFTER_END,
-    ERR_UNKNOWN_ENCODING = _require$codes.ERR_UNKNOWN_ENCODING;
-
-var errorOrDestroy = destroyImpl.errorOrDestroy;
-
-require('inherits')(Writable, Stream);
-
-function nop() {}
+function WritableState(options, stream) {
+  var Duplex = require('./_stream_duplex');
 
 
-function WritableState(options, stream, isDuplex) {
-  Duplex = Duplex || require('./_stream_duplex');
-  options = options || {}; // Duplex streams are both readable and writable, but share
-  // the same options object.
-  // However, some cases require setting options to different
-  // values for the readable and the writable sides of the duplex stream,
-  // e.g. options.readableObjectMode vs. options.writableObjectMode, etc.
+  options = options || {};
 
 
-  if (typeof isDuplex !== 'boolean') isDuplex = stream instanceof Duplex; // object stream flag to indicate whether or not this stream
-  // contains buffers or objects.
-
-  this.objectMode = !!options.objectMode;
-  if (isDuplex) this.objectMode = this.objectMode || !!options.writableObjectMode; // the point at which write() starts returning false
+  // the point at which write() starts returning false
   // Note: 0 is a valid value, means that we always return false if
   // Note: 0 is a valid value, means that we always return false if
   // the entire buffer is not flushed immediately on write()
   // the entire buffer is not flushed immediately on write()
+  var hwm = options.highWaterMark;
+  var defaultHwm = options.objectMode ? 16 : 16 * 1024;
+  this.highWaterMark = (hwm || hwm === 0) ? hwm : defaultHwm;
 
 
-  this.highWaterMark = getHighWaterMark(this, options, 'writableHighWaterMark', isDuplex); // if _final has been called
-
-  this.finalCalled = false; // drain event flag.
-
-  this.needDrain = false; // at the start of calling end()
+  // object stream flag to indicate whether or not this stream
+  // contains buffers or objects.
+  this.objectMode = !!options.objectMode;
 
 
-  this.ending = false; // when end() has been called, and returned
+  if (stream instanceof Duplex)
+    this.objectMode = this.objectMode || !!options.writableObjectMode;
 
 
-  this.ended = false; // when 'finish' is emitted
+  // cast to ints.
+  this.highWaterMark = ~~this.highWaterMark;
 
 
-  this.finished = false; // has it been destroyed
+  this.needDrain = false;
+  // at the start of calling end()
+  this.ending = false;
+  // when end() has been called, and returned
+  this.ended = false;
+  // when 'finish' is emitted
+  this.finished = false;
 
 
-  this.destroyed = false; // should we decode strings into buffers before passing to _write?
+  // should we decode strings into buffers before passing to _write?
   // this is here so that some node-core streams can optimize string
   // this is here so that some node-core streams can optimize string
   // handling at a lower level.
   // handling at a lower level.
-
   var noDecode = options.decodeStrings === false;
   var noDecode = options.decodeStrings === false;
-  this.decodeStrings = !noDecode; // Crypto is kind of old and crusty.  Historically, its default string
+  this.decodeStrings = !noDecode;
+
+  // Crypto is kind of old and crusty.  Historically, its default string
   // encoding is 'binary' so we have to make this configurable.
   // encoding is 'binary' so we have to make this configurable.
   // Everything else in the universe uses 'utf8', though.
   // Everything else in the universe uses 'utf8', though.
+  this.defaultEncoding = options.defaultEncoding || 'utf8';
 
 
-  this.defaultEncoding = options.defaultEncoding || 'utf8'; // not an actual buffer we keep track of, but a measurement
+  // not an actual buffer we keep track of, but a measurement
   // of how much we're waiting to get pushed to some underlying
   // of how much we're waiting to get pushed to some underlying
   // socket or file.
   // socket or file.
+  this.length = 0;
 
 
-  this.length = 0; // a flag to see when we're in the middle of a write.
+  // a flag to see when we're in the middle of a write.
+  this.writing = false;
 
 
-  this.writing = false; // when true all writes will be buffered until .uncork() call
+  // when true all writes will be buffered until .uncork() call
+  this.corked = 0;
 
 
-  this.corked = 0; // a flag to be able to tell if the onwrite cb is called immediately,
+  // a flag to be able to tell if the onwrite cb is called immediately,
   // or on a later tick.  We set this to true at first, because any
   // or on a later tick.  We set this to true at first, because any
   // actions that shouldn't happen until "later" should generally also
   // actions that shouldn't happen until "later" should generally also
   // not happen before the first write call.
   // not happen before the first write call.
+  this.sync = true;
 
 
-  this.sync = true; // a flag to know if we're processing previously buffered items, which
+  // a flag to know if we're processing previously buffered items, which
   // may call the _write() callback in the same tick, so that we don't
   // may call the _write() callback in the same tick, so that we don't
   // end up in an overlapped onwrite situation.
   // end up in an overlapped onwrite situation.
+  this.bufferProcessing = false;
 
 
-  this.bufferProcessing = false; // the callback that's passed to _write(chunk,cb)
-
-  this.onwrite = function (er) {
+  // the callback that's passed to _write(chunk,cb)
+  this.onwrite = function(er) {
     onwrite(stream, er);
     onwrite(stream, er);
-  }; // the callback that the user supplies to write(chunk,encoding,cb)
-
+  };
 
 
-  this.writecb = null; // the amount that is being written when _write is called.
+  // the callback that the user supplies to write(chunk,encoding,cb)
+  this.writecb = null;
 
 
+  // the amount that is being written when _write is called.
   this.writelen = 0;
   this.writelen = 0;
-  this.bufferedRequest = null;
-  this.lastBufferedRequest = null; // number of pending user-supplied write callbacks
-  // this must be 0 before 'finish' can be emitted
-
-  this.pendingcb = 0; // emit prefinish if the only thing we're waiting for is _write cbs
-  // This is relevant for synchronous Transform streams
-
-  this.prefinished = false; // True if the error was already emitted and should not be thrown again
 
 
-  this.errorEmitted = false; // Should close be emitted on destroy. Defaults to true.
+  this.buffer = [];
 
 
-  this.emitClose = options.emitClose !== false; // Should .destroy() be called after 'finish' (and potentially 'end')
-
-  this.autoDestroy = !!options.autoDestroy; // count buffered requests
+  // number of pending user-supplied write callbacks
+  // this must be 0 before 'finish' can be emitted
+  this.pendingcb = 0;
 
 
-  this.bufferedRequestCount = 0; // allocate the first CorkedRequest, there is always
-  // one allocated and free to use, and we maintain at most two
+  // emit prefinish if the only thing we're waiting for is _write cbs
+  // This is relevant for synchronous Transform streams
+  this.prefinished = false;
 
 
-  this.corkedRequestsFree = new CorkedRequest(this);
+  // True if the error was already emitted and should not be thrown again
+  this.errorEmitted = false;
 }
 }
 
 
-WritableState.prototype.getBuffer = function getBuffer() {
-  var current = this.bufferedRequest;
-  var out = [];
-
-  while (current) {
-    out.push(current);
-    current = current.next;
-  }
-
-  return out;
-};
-
-(function () {
-  try {
-    Object.defineProperty(WritableState.prototype, 'buffer', {
-      get: internalUtil.deprecate(function writableStateBufferGetter() {
-        return this.getBuffer();
-      }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.', 'DEP0003')
-    });
-  } catch (_) {}
-})(); // Test _writableState for inheritance to account for Duplex streams,
-// whose prototype chain only points to Readable.
-
+function Writable(options) {
+  var Duplex = require('./_stream_duplex');
 
 
-var realHasInstance;
+  // Writable ctor is applied to Duplexes, though they're not
+  // instanceof Writable, they're instanceof Readable.
+  if (!(this instanceof Writable) && !(this instanceof Duplex))
+    return new Writable(options);
 
 
-if (typeof Symbol === 'function' && Symbol.hasInstance && typeof Function.prototype[Symbol.hasInstance] === 'function') {
-  realHasInstance = Function.prototype[Symbol.hasInstance];
-  Object.defineProperty(Writable, Symbol.hasInstance, {
-    value: function value(object) {
-      if (realHasInstance.call(this, object)) return true;
-      if (this !== Writable) return false;
-      return object && object._writableState instanceof WritableState;
-    }
-  });
-} else {
-  realHasInstance = function realHasInstance(object) {
-    return object instanceof this;
-  };
-}
-
-function Writable(options) {
-  Duplex = Duplex || require('./_stream_duplex'); // Writable ctor is applied to Duplexes, too.
-  // `realHasInstance` is necessary because using plain `instanceof`
-  // would return false, as no `_writableState` property is attached.
-  // Trying to use the custom `instanceof` for Writable here will also break the
-  // Node.js LazyTransform implementation, which has a non-trivial getter for
-  // `_writableState` that would lead to infinite recursion.
-  // Checking for a Stream.Duplex instance is faster here instead of inside
-  // the WritableState constructor, at least with V8 6.5
-
-  var isDuplex = this instanceof Duplex;
-  if (!isDuplex && !realHasInstance.call(Writable, this)) return new Writable(options);
-  this._writableState = new WritableState(options, this, isDuplex); // legacy.
+  this._writableState = new WritableState(options, this);
 
 
+  // legacy.
   this.writable = true;
   this.writable = true;
 
 
-  if (options) {
-    if (typeof options.write === 'function') this._write = options.write;
-    if (typeof options.writev === 'function') this._writev = options.writev;
-    if (typeof options.destroy === 'function') this._destroy = options.destroy;
-    if (typeof options.final === 'function') this._final = options.final;
-  }
-
   Stream.call(this);
   Stream.call(this);
-} // Otherwise people can pipe Writable streams, which is just wrong.
-
+}
 
 
-Writable.prototype.pipe = function () {
-  errorOrDestroy(this, new ERR_STREAM_CANNOT_PIPE());
+// Otherwise people can pipe Writable streams, which is just wrong.
+Writable.prototype.pipe = function() {
+  this.emit('error', new Error('Cannot pipe. Not readable.'));
 };
 };
 
 
-function writeAfterEnd(stream, cb) {
-  var er = new ERR_STREAM_WRITE_AFTER_END(); // TODO: defer error events consistently everywhere, not just the cb
-
-  errorOrDestroy(stream, er);
-  process.nextTick(cb, er);
-} // Checks that a user-supplied chunk is valid, especially for the particular
-// mode the stream is in. Currently this means that `null` is never accepted
-// and undefined/non-string values are only allowed in object mode.
 
 
+function writeAfterEnd(stream, state, cb) {
+  var er = new Error('write after end');
+  // TODO: defer error events consistently everywhere, not just the cb
+  stream.emit('error', er);
+  process.nextTick(function() {
+    cb(er);
+  });
+}
 
 
+// If we get something that is not a buffer, string, null, or undefined,
+// and we're not in objectMode, then that's an error.
+// Otherwise stream chunks are all considered to be of length=1, and the
+// watermarks determine how many objects to keep in the buffer, rather than
+// how many bytes or characters.
 function validChunk(stream, state, chunk, cb) {
 function validChunk(stream, state, chunk, cb) {
-  var er;
-
-  if (chunk === null) {
-    er = new ERR_STREAM_NULL_VALUES();
-  } else if (typeof chunk !== 'string' && !state.objectMode) {
-    er = new ERR_INVALID_ARG_TYPE('chunk', ['string', 'Buffer'], chunk);
-  }
-
-  if (er) {
-    errorOrDestroy(stream, er);
-    process.nextTick(cb, er);
-    return false;
+  var valid = true;
+  if (!util.isBuffer(chunk) &&
+      !util.isString(chunk) &&
+      !util.isNullOrUndefined(chunk) &&
+      !state.objectMode) {
+    var er = new TypeError('Invalid non-string/buffer chunk');
+    stream.emit('error', er);
+    process.nextTick(function() {
+      cb(er);
+    });
+    valid = false;
   }
   }
-
-  return true;
+  return valid;
 }
 }
 
 
-Writable.prototype.write = function (chunk, encoding, cb) {
+Writable.prototype.write = function(chunk, encoding, cb) {
   var state = this._writableState;
   var state = this._writableState;
   var ret = false;
   var ret = false;
 
 
-  var isBuf = !state.objectMode && _isUint8Array(chunk);
-
-  if (isBuf && !Buffer.isBuffer(chunk)) {
-    chunk = _uint8ArrayToBuffer(chunk);
-  }
-
-  if (typeof encoding === 'function') {
+  if (util.isFunction(encoding)) {
     cb = encoding;
     cb = encoding;
     encoding = null;
     encoding = null;
   }
   }
 
 
-  if (isBuf) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding;
-  if (typeof cb !== 'function') cb = nop;
-  if (state.ending) writeAfterEnd(this, cb);else if (isBuf || validChunk(this, state, chunk, cb)) {
+  if (util.isBuffer(chunk))
+    encoding = 'buffer';
+  else if (!encoding)
+    encoding = state.defaultEncoding;
+
+  if (!util.isFunction(cb))
+    cb = function() {};
+
+  if (state.ended)
+    writeAfterEnd(this, state, cb);
+  else if (validChunk(this, state, chunk, cb)) {
     state.pendingcb++;
     state.pendingcb++;
-    ret = writeOrBuffer(this, state, isBuf, chunk, encoding, cb);
+    ret = writeOrBuffer(this, state, chunk, encoding, cb);
   }
   }
+
   return ret;
   return ret;
 };
 };
 
 
-Writable.prototype.cork = function () {
-  this._writableState.corked++;
+Writable.prototype.cork = function() {
+  var state = this._writableState;
+
+  state.corked++;
 };
 };
 
 
-Writable.prototype.uncork = function () {
+Writable.prototype.uncork = function() {
   var state = this._writableState;
   var state = this._writableState;
 
 
   if (state.corked) {
   if (state.corked) {
     state.corked--;
     state.corked--;
-    if (!state.writing && !state.corked && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state);
-  }
-};
 
 
-Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) {
-  // node::ParseEncoding() requires lower case.
-  if (typeof encoding === 'string') encoding = encoding.toLowerCase();
-  if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new ERR_UNKNOWN_ENCODING(encoding);
-  this._writableState.defaultEncoding = encoding;
-  return this;
-};
-
-Object.defineProperty(Writable.prototype, 'writableBuffer', {
-  // making it explicit this property is not enumerable
-  // because otherwise some prototype manipulation in
-  // userland will fail
-  enumerable: false,
-  get: function get() {
-    return this._writableState && this._writableState.getBuffer();
+    if (!state.writing &&
+        !state.corked &&
+        !state.finished &&
+        !state.bufferProcessing &&
+        state.buffer.length)
+      clearBuffer(this, state);
   }
   }
-});
+};
 
 
 function decodeChunk(state, chunk, encoding) {
 function decodeChunk(state, chunk, encoding) {
-  if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') {
-    chunk = Buffer.from(chunk, encoding);
+  if (!state.objectMode &&
+      state.decodeStrings !== false &&
+      util.isString(chunk)) {
+    chunk = new Buffer(chunk, encoding);
   }
   }
-
   return chunk;
   return chunk;
 }
 }
 
 
-Object.defineProperty(Writable.prototype, 'writableHighWaterMark', {
-  // making it explicit this property is not enumerable
-  // because otherwise some prototype manipulation in
-  // userland will fail
-  enumerable: false,
-  get: function get() {
-    return this._writableState.highWaterMark;
-  }
-}); // if we're already writing something, then just put this
+// if we're already writing something, then just put this
 // in the queue, and wait our turn.  Otherwise, call _write
 // in the queue, and wait our turn.  Otherwise, call _write
 // If we return false, then we need a drain event, so set that flag.
 // If we return false, then we need a drain event, so set that flag.
-
-function writeOrBuffer(stream, state, isBuf, chunk, encoding, cb) {
-  if (!isBuf) {
-    var newChunk = decodeChunk(state, chunk, encoding);
-
-    if (chunk !== newChunk) {
-      isBuf = true;
-      encoding = 'buffer';
-      chunk = newChunk;
-    }
-  }
-
+function writeOrBuffer(stream, state, chunk, encoding, cb) {
+  chunk = decodeChunk(state, chunk, encoding);
+  if (util.isBuffer(chunk))
+    encoding = 'buffer';
   var len = state.objectMode ? 1 : chunk.length;
   var len = state.objectMode ? 1 : chunk.length;
+
   state.length += len;
   state.length += len;
-  var ret = state.length < state.highWaterMark; // we must ensure that previous needDrain will not be reset to false.
-
-  if (!ret) state.needDrain = true;
-
-  if (state.writing || state.corked) {
-    var last = state.lastBufferedRequest;
-    state.lastBufferedRequest = {
-      chunk: chunk,
-      encoding: encoding,
-      isBuf: isBuf,
-      callback: cb,
-      next: null
-    };
-
-    if (last) {
-      last.next = state.lastBufferedRequest;
-    } else {
-      state.bufferedRequest = state.lastBufferedRequest;
-    }
 
 
-    state.bufferedRequestCount += 1;
-  } else {
+  var ret = state.length < state.highWaterMark;
+  // we must ensure that previous needDrain will not be reset to false.
+  if (!ret)
+    state.needDrain = true;
+
+  if (state.writing || state.corked)
+    state.buffer.push(new WriteReq(chunk, encoding, cb));
+  else
     doWrite(stream, state, false, len, chunk, encoding, cb);
     doWrite(stream, state, false, len, chunk, encoding, cb);
-  }
 
 
   return ret;
   return ret;
 }
 }
@@ -406,32 +273,26 @@ function doWrite(stream, state, writev, len, chunk, encoding, cb) {
   state.writecb = cb;
   state.writecb = cb;
   state.writing = true;
   state.writing = true;
   state.sync = true;
   state.sync = true;
-  if (state.destroyed) state.onwrite(new ERR_STREAM_DESTROYED('write'));else if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite);
+  if (writev)
+    stream._writev(chunk, state.onwrite);
+  else
+    stream._write(chunk, encoding, state.onwrite);
   state.sync = false;
   state.sync = false;
 }
 }
 
 
 function onwriteError(stream, state, sync, er, cb) {
 function onwriteError(stream, state, sync, er, cb) {
-  --state.pendingcb;
-
-  if (sync) {
-    // defer the callback if we are being called synchronously
-    // to avoid piling up things on the stack
-    process.nextTick(cb, er); // this can emit finish, and it will always happen
-    // after error
-
-    process.nextTick(finishMaybe, stream, state);
-    stream._writableState.errorEmitted = true;
-    errorOrDestroy(stream, er);
-  } else {
-    // the caller expect this to happen before if
-    // it is async
+  if (sync)
+    process.nextTick(function() {
+      state.pendingcb--;
+      cb(er);
+    });
+  else {
+    state.pendingcb--;
     cb(er);
     cb(er);
-    stream._writableState.errorEmitted = true;
-    errorOrDestroy(stream, er); // this can emit finish, but finish must
-    // always follow error
-
-    finishMaybe(stream, state);
   }
   }
+
+  stream._writableState.errorEmitted = true;
+  stream.emit('error', er);
 }
 }
 
 
 function onwriteStateUpdate(state) {
 function onwriteStateUpdate(state) {
@@ -445,18 +306,26 @@ function onwrite(stream, er) {
   var state = stream._writableState;
   var state = stream._writableState;
   var sync = state.sync;
   var sync = state.sync;
   var cb = state.writecb;
   var cb = state.writecb;
-  if (typeof cb !== 'function') throw new ERR_MULTIPLE_CALLBACK();
+
   onwriteStateUpdate(state);
   onwriteStateUpdate(state);
-  if (er) onwriteError(stream, state, sync, er, cb);else {
+
+  if (er)
+    onwriteError(stream, state, sync, er, cb);
+  else {
     // Check if we're actually ready to finish, but don't emit yet
     // Check if we're actually ready to finish, but don't emit yet
-    var finished = needFinish(state) || stream.destroyed;
+    var finished = needFinish(stream, state);
 
 
-    if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) {
+    if (!finished &&
+        !state.corked &&
+        !state.bufferProcessing &&
+        state.buffer.length) {
       clearBuffer(stream, state);
       clearBuffer(stream, state);
     }
     }
 
 
     if (sync) {
     if (sync) {
-      process.nextTick(afterWrite, stream, state, finished, cb);
+      process.nextTick(function() {
+        afterWrite(stream, state, finished, cb);
+      });
     } else {
     } else {
       afterWrite(stream, state, finished, cb);
       afterWrite(stream, state, finished, cb);
     }
     }
@@ -464,234 +333,145 @@ function onwrite(stream, er) {
 }
 }
 
 
 function afterWrite(stream, state, finished, cb) {
 function afterWrite(stream, state, finished, cb) {
-  if (!finished) onwriteDrain(stream, state);
+  if (!finished)
+    onwriteDrain(stream, state);
   state.pendingcb--;
   state.pendingcb--;
   cb();
   cb();
   finishMaybe(stream, state);
   finishMaybe(stream, state);
-} // Must force callback to be called on nextTick, so that we don't
+}
+
+// Must force callback to be called on nextTick, so that we don't
 // emit 'drain' before the write() consumer gets the 'false' return
 // emit 'drain' before the write() consumer gets the 'false' return
 // value, and has a chance to attach a 'drain' listener.
 // value, and has a chance to attach a 'drain' listener.
-
-
 function onwriteDrain(stream, state) {
 function onwriteDrain(stream, state) {
   if (state.length === 0 && state.needDrain) {
   if (state.length === 0 && state.needDrain) {
     state.needDrain = false;
     state.needDrain = false;
     stream.emit('drain');
     stream.emit('drain');
   }
   }
-} // if there's something in the buffer waiting, then process it
+}
 
 
 
 
+// if there's something in the buffer waiting, then process it
 function clearBuffer(stream, state) {
 function clearBuffer(stream, state) {
   state.bufferProcessing = true;
   state.bufferProcessing = true;
-  var entry = state.bufferedRequest;
 
 
-  if (stream._writev && entry && entry.next) {
+  if (stream._writev && state.buffer.length > 1) {
     // Fast case, write everything using _writev()
     // Fast case, write everything using _writev()
-    var l = state.bufferedRequestCount;
-    var buffer = new Array(l);
-    var holder = state.corkedRequestsFree;
-    holder.entry = entry;
-    var count = 0;
-    var allBuffers = true;
-
-    while (entry) {
-      buffer[count] = entry;
-      if (!entry.isBuf) allBuffers = false;
-      entry = entry.next;
-      count += 1;
-    }
-
-    buffer.allBuffers = allBuffers;
-    doWrite(stream, state, true, state.length, buffer, '', holder.finish); // doWrite is almost always async, defer these to save a bit of time
-    // as the hot path ends with doWrite
+    var cbs = [];
+    for (var c = 0; c < state.buffer.length; c++)
+      cbs.push(state.buffer[c].callback);
 
 
+    // count the one we are adding, as well.
+    // TODO(isaacs) clean this up
     state.pendingcb++;
     state.pendingcb++;
-    state.lastBufferedRequest = null;
-
-    if (holder.next) {
-      state.corkedRequestsFree = holder.next;
-      holder.next = null;
-    } else {
-      state.corkedRequestsFree = new CorkedRequest(state);
-    }
+    doWrite(stream, state, true, state.length, state.buffer, '', function(err) {
+      for (var i = 0; i < cbs.length; i++) {
+        state.pendingcb--;
+        cbs[i](err);
+      }
+    });
 
 
-    state.bufferedRequestCount = 0;
+    // Clear buffer
+    state.buffer = [];
   } else {
   } else {
     // Slow case, write chunks one-by-one
     // Slow case, write chunks one-by-one
-    while (entry) {
+    for (var c = 0; c < state.buffer.length; c++) {
+      var entry = state.buffer[c];
       var chunk = entry.chunk;
       var chunk = entry.chunk;
       var encoding = entry.encoding;
       var encoding = entry.encoding;
       var cb = entry.callback;
       var cb = entry.callback;
       var len = state.objectMode ? 1 : chunk.length;
       var len = state.objectMode ? 1 : chunk.length;
+
       doWrite(stream, state, false, len, chunk, encoding, cb);
       doWrite(stream, state, false, len, chunk, encoding, cb);
-      entry = entry.next;
-      state.bufferedRequestCount--; // if we didn't call the onwrite immediately, then
+
+      // if we didn't call the onwrite immediately, then
       // it means that we need to wait until it does.
       // it means that we need to wait until it does.
       // also, that means that the chunk and cb are currently
       // also, that means that the chunk and cb are currently
       // being processed, so move the buffer counter past them.
       // being processed, so move the buffer counter past them.
-
       if (state.writing) {
       if (state.writing) {
+        c++;
         break;
         break;
       }
       }
     }
     }
 
 
-    if (entry === null) state.lastBufferedRequest = null;
+    if (c < state.buffer.length)
+      state.buffer = state.buffer.slice(c);
+    else
+      state.buffer.length = 0;
   }
   }
 
 
-  state.bufferedRequest = entry;
   state.bufferProcessing = false;
   state.bufferProcessing = false;
 }
 }
 
 
-Writable.prototype._write = function (chunk, encoding, cb) {
-  cb(new ERR_METHOD_NOT_IMPLEMENTED('_write()'));
+Writable.prototype._write = function(chunk, encoding, cb) {
+  cb(new Error('not implemented'));
+
 };
 };
 
 
 Writable.prototype._writev = null;
 Writable.prototype._writev = null;
 
 
-Writable.prototype.end = function (chunk, encoding, cb) {
+Writable.prototype.end = function(chunk, encoding, cb) {
   var state = this._writableState;
   var state = this._writableState;
 
 
-  if (typeof chunk === 'function') {
+  if (util.isFunction(chunk)) {
     cb = chunk;
     cb = chunk;
     chunk = null;
     chunk = null;
     encoding = null;
     encoding = null;
-  } else if (typeof encoding === 'function') {
+  } else if (util.isFunction(encoding)) {
     cb = encoding;
     cb = encoding;
     encoding = null;
     encoding = null;
   }
   }
 
 
-  if (chunk !== null && chunk !== undefined) this.write(chunk, encoding); // .end() fully uncorks
+  if (!util.isNullOrUndefined(chunk))
+    this.write(chunk, encoding);
 
 
+  // .end() fully uncorks
   if (state.corked) {
   if (state.corked) {
     state.corked = 1;
     state.corked = 1;
     this.uncork();
     this.uncork();
-  } // ignore unnecessary end() calls.
-
+  }
 
 
-  if (!state.ending) endWritable(this, state, cb);
-  return this;
+  // ignore unnecessary end() calls.
+  if (!state.ending && !state.finished)
+    endWritable(this, state, cb);
 };
 };
 
 
-Object.defineProperty(Writable.prototype, 'writableLength', {
-  // making it explicit this property is not enumerable
-  // because otherwise some prototype manipulation in
-  // userland will fail
-  enumerable: false,
-  get: function get() {
-    return this._writableState.length;
-  }
-});
 
 
-function needFinish(state) {
-  return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing;
+function needFinish(stream, state) {
+  return (state.ending &&
+          state.length === 0 &&
+          !state.finished &&
+          !state.writing);
 }
 }
 
 
-function callFinal(stream, state) {
-  stream._final(function (err) {
-    state.pendingcb--;
-
-    if (err) {
-      errorOrDestroy(stream, err);
-    }
-
+function prefinish(stream, state) {
+  if (!state.prefinished) {
     state.prefinished = true;
     state.prefinished = true;
     stream.emit('prefinish');
     stream.emit('prefinish');
-    finishMaybe(stream, state);
-  });
-}
-
-function prefinish(stream, state) {
-  if (!state.prefinished && !state.finalCalled) {
-    if (typeof stream._final === 'function' && !state.destroyed) {
-      state.pendingcb++;
-      state.finalCalled = true;
-      process.nextTick(callFinal, stream, state);
-    } else {
-      state.prefinished = true;
-      stream.emit('prefinish');
-    }
   }
   }
 }
 }
 
 
 function finishMaybe(stream, state) {
 function finishMaybe(stream, state) {
-  var need = needFinish(state);
-
+  var need = needFinish(stream, state);
   if (need) {
   if (need) {
-    prefinish(stream, state);
-
     if (state.pendingcb === 0) {
     if (state.pendingcb === 0) {
+      prefinish(stream, state);
       state.finished = true;
       state.finished = true;
       stream.emit('finish');
       stream.emit('finish');
-
-      if (state.autoDestroy) {
-        // In case of duplex streams we need a way to detect
-        // if the readable side is ready for autoDestroy as well
-        var rState = stream._readableState;
-
-        if (!rState || rState.autoDestroy && rState.endEmitted) {
-          stream.destroy();
-        }
-      }
-    }
+    } else
+      prefinish(stream, state);
   }
   }
-
   return need;
   return need;
 }
 }
 
 
 function endWritable(stream, state, cb) {
 function endWritable(stream, state, cb) {
   state.ending = true;
   state.ending = true;
   finishMaybe(stream, state);
   finishMaybe(stream, state);
-
   if (cb) {
   if (cb) {
-    if (state.finished) process.nextTick(cb);else stream.once('finish', cb);
+    if (state.finished)
+      process.nextTick(cb);
+    else
+      stream.once('finish', cb);
   }
   }
-
   state.ended = true;
   state.ended = true;
-  stream.writable = false;
-}
-
-function onCorkedFinish(corkReq, state, err) {
-  var entry = corkReq.entry;
-  corkReq.entry = null;
-
-  while (entry) {
-    var cb = entry.callback;
-    state.pendingcb--;
-    cb(err);
-    entry = entry.next;
-  } // reuse the free corkReq.
-
-
-  state.corkedRequestsFree.next = corkReq;
 }
 }
-
-Object.defineProperty(Writable.prototype, 'destroyed', {
-  // making it explicit this property is not enumerable
-  // because otherwise some prototype manipulation in
-  // userland will fail
-  enumerable: false,
-  get: function get() {
-    if (this._writableState === undefined) {
-      return false;
-    }
-
-    return this._writableState.destroyed;
-  },
-  set: function set(value) {
-    // we ignore the value if the stream
-    // has not been initialized yet
-    if (!this._writableState) {
-      return;
-    } // backward compatibility, the user is explicitly
-    // managing destroyed
-
-
-    this._writableState.destroyed = value;
-  }
-});
-Writable.prototype.destroy = destroyImpl.destroy;
-Writable.prototype._undestroy = destroyImpl.undestroy;
-
-Writable.prototype._destroy = function (err, cb) {
-  cb(err);
-};
\ No newline at end of file

 {
 {
-  "_from": "readable-stream@^3.1.1",
-  "_id": "readable-stream@3.6.0",
+  "_from": "readable-stream@1.1.x",
+  "_id": "readable-stream@1.1.14",
   "_inBundle": false,
   "_inBundle": false,
-  "_integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+  "_integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
   "_location": "/readable-stream",
   "_location": "/readable-stream",
   "_phantomChildren": {},
   "_phantomChildren": {},
   "_requested": {
   "_requested": {
     "type": "range",
     "type": "range",
     "registry": true,
     "registry": true,
-    "raw": "readable-stream@^3.1.1",
+    "raw": "readable-stream@1.1.x",
     "name": "readable-stream",
     "name": "readable-stream",
     "escapedName": "readable-stream",
     "escapedName": "readable-stream",
-    "rawSpec": "^3.1.1",
+    "rawSpec": "1.1.x",
     "saveSpec": null,
     "saveSpec": null,
-    "fetchSpec": "^3.1.1"
+    "fetchSpec": "1.1.x"
   },
   },
   "_requiredBy": [
   "_requiredBy": [
-    "/duplexify"
+    "/busboy",
+    "/dicer"
   ],
   ],
-  "_resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
-  "_shasum": "337bbda3adc0706bd3e024426a286d4b4b2c9198",
-  "_spec": "readable-stream@^3.1.1",
-  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\duplexify",
+  "_resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+  "_shasum": "7cf4c54ef648e3813084c636dd2079e166c081d9",
+  "_spec": "readable-stream@1.1.x",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\busboy",
+  "author": {
+    "name": "Isaac Z. Schlueter",
+    "email": "i@izs.me",
+    "url": "http://blog.izs.me/"
+  },
   "browser": {
   "browser": {
-    "util": false,
-    "worker_threads": false,
-    "./errors": "./errors-browser.js",
-    "./readable.js": "./readable-browser.js",
-    "./lib/internal/streams/from.js": "./lib/internal/streams/from-browser.js",
-    "./lib/internal/streams/stream.js": "./lib/internal/streams/stream-browser.js"
+    "util": false
   },
   },
   "bugs": {
   "bugs": {
-    "url": "https://github.com/nodejs/readable-stream/issues"
+    "url": "https://github.com/isaacs/readable-stream/issues"
   },
   },
   "bundleDependencies": false,
   "bundleDependencies": false,
   "dependencies": {
   "dependencies": {
-    "inherits": "^2.0.3",
-    "string_decoder": "^1.1.1",
-    "util-deprecate": "^1.0.1"
+    "core-util-is": "~1.0.0",
+    "inherits": "~2.0.1",
+    "isarray": "0.0.1",
+    "string_decoder": "~0.10.x"
   },
   },
   "deprecated": false,
   "deprecated": false,
-  "description": "Streams3, a user-land copy of the stream library from Node.js",
+  "description": "Streams3, a user-land copy of the stream library from Node.js v0.11.x",
   "devDependencies": {
   "devDependencies": {
-    "@babel/cli": "^7.2.0",
-    "@babel/core": "^7.2.0",
-    "@babel/polyfill": "^7.0.0",
-    "@babel/preset-env": "^7.2.0",
-    "airtap": "0.0.9",
-    "assert": "^1.4.0",
-    "bl": "^2.0.0",
-    "deep-strict-equal": "^0.2.0",
-    "events.once": "^2.0.2",
-    "glob": "^7.1.2",
-    "gunzip-maybe": "^1.4.1",
-    "hyperquest": "^2.1.3",
-    "lolex": "^2.6.0",
-    "nyc": "^11.0.0",
-    "pump": "^3.0.0",
-    "rimraf": "^2.6.2",
-    "tap": "^12.0.0",
-    "tape": "^4.9.0",
-    "tar-fs": "^1.16.2",
-    "util-promisify": "^2.1.0"
-  },
-  "engines": {
-    "node": ">= 6"
+    "tap": "~0.2.6"
   },
   },
-  "homepage": "https://github.com/nodejs/readable-stream#readme",
+  "homepage": "https://github.com/isaacs/readable-stream#readme",
   "keywords": [
   "keywords": [
     "readable",
     "readable",
     "stream",
     "stream",
@@ -75,23 +55,12 @@
   "license": "MIT",
   "license": "MIT",
   "main": "readable.js",
   "main": "readable.js",
   "name": "readable-stream",
   "name": "readable-stream",
-  "nyc": {
-    "include": [
-      "lib/**.js"
-    ]
-  },
   "repository": {
   "repository": {
     "type": "git",
     "type": "git",
-    "url": "git://github.com/nodejs/readable-stream.git"
+    "url": "git://github.com/isaacs/readable-stream.git"
   },
   },
   "scripts": {
   "scripts": {
-    "ci": "TAP=1 tap --no-esm test/parallel/*.js test/ours/*.js | tee test.tap",
-    "cover": "nyc npm test",
-    "report": "nyc report --reporter=lcov",
-    "test": "tap -J --no-esm test/parallel/*.js test/ours/*.js",
-    "test-browser-local": "airtap --open --local -- test/browser.js",
-    "test-browsers": "airtap --sauce-connect --loopback airtap.local -- test/browser.js",
-    "update-browser-errors": "babel -o errors-browser.js errors.js"
+    "test": "tap test/simple/*.js"
   },
   },
-  "version": "3.6.0"
+  "version": "1.1.14"
 }
 }

+module.exports = require("./lib/_stream_passthrough.js")

-var Stream = require('stream');
-if (process.env.READABLE_STREAM === 'disable' && Stream) {
-  module.exports = Stream.Readable;
-  Object.assign(module.exports, Stream);
-  module.exports.Stream = Stream;
-} else {
-  exports = module.exports = require('./lib/_stream_readable.js');
-  exports.Stream = Stream || exports;
-  exports.Readable = exports;
-  exports.Writable = require('./lib/_stream_writable.js');
-  exports.Duplex = require('./lib/_stream_duplex.js');
-  exports.Transform = require('./lib/_stream_transform.js');
-  exports.PassThrough = require('./lib/_stream_passthrough.js');
-  exports.finished = require('./lib/internal/streams/end-of-stream.js');
-  exports.pipeline = require('./lib/internal/streams/pipeline.js');
+exports = module.exports = require('./lib/_stream_readable.js');
+exports.Stream = require('stream');
+exports.Readable = exports;
+exports.Writable = require('./lib/_stream_writable.js');
+exports.Duplex = require('./lib/_stream_duplex.js');
+exports.Transform = require('./lib/_stream_transform.js');
+exports.PassThrough = require('./lib/_stream_passthrough.js');
+if (!process.browser && process.env.READABLE_STREAM === 'disable') {
+  module.exports = require('stream');
 }
 }

+module.exports = require("./lib/_stream_transform.js")

+module.exports = require("./lib/_stream_writable.js")

-/*! safe-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */
 /* eslint-disable node/no-deprecated-api */
 /* eslint-disable node/no-deprecated-api */
 var buffer = require('buffer')
 var buffer = require('buffer')
 var Buffer = buffer.Buffer
 var Buffer = buffer.Buffer
@@ -21,8 +20,6 @@ function SafeBuffer (arg, encodingOrOffset, length) {
   return Buffer(arg, encodingOrOffset, length)
   return Buffer(arg, encodingOrOffset, length)
 }
 }
 
 
-SafeBuffer.prototype = Object.create(Buffer.prototype)
-
 // Copy static methods from Buffer
 // Copy static methods from Buffer
 copyProps(Buffer, SafeBuffer)
 copyProps(Buffer, SafeBuffer)
 
 

 {
 {
-  "_from": "safe-buffer@~5.2.0",
-  "_id": "safe-buffer@5.2.1",
+  "_from": "safe-buffer@~5.1.1",
+  "_id": "safe-buffer@5.1.2",
   "_inBundle": false,
   "_inBundle": false,
-  "_integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+  "_integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
   "_location": "/safe-buffer",
   "_location": "/safe-buffer",
   "_phantomChildren": {},
   "_phantomChildren": {},
   "_requested": {
   "_requested": {
     "type": "range",
     "type": "range",
     "registry": true,
     "registry": true,
-    "raw": "safe-buffer@~5.2.0",
+    "raw": "safe-buffer@~5.1.1",
     "name": "safe-buffer",
     "name": "safe-buffer",
     "escapedName": "safe-buffer",
     "escapedName": "safe-buffer",
-    "rawSpec": "~5.2.0",
+    "rawSpec": "~5.1.1",
     "saveSpec": null,
     "saveSpec": null,
-    "fetchSpec": "~5.2.0"
+    "fetchSpec": "~5.1.1"
   },
   },
   "_requiredBy": [
   "_requiredBy": [
-    "/ecdsa-sig-formatter",
-    "/jwa",
-    "/jws",
-    "/string_decoder"
+    "/concat-stream/readable-stream",
+    "/concat-stream/string_decoder"
   ],
   ],
-  "_resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
-  "_shasum": "1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6",
-  "_spec": "safe-buffer@~5.2.0",
-  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\string_decoder",
+  "_resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+  "_shasum": "991ec69d296e0313747d59bdfd2b745c35f8828d",
+  "_spec": "safe-buffer@~5.1.1",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\concat-stream\\node_modules\\readable-stream",
   "author": {
   "author": {
     "name": "Feross Aboukhadijeh",
     "name": "Feross Aboukhadijeh",
     "email": "feross@feross.org",
     "email": "feross@feross.org",
-    "url": "https://feross.org"
+    "url": "http://feross.org"
   },
   },
   "bugs": {
   "bugs": {
     "url": "https://github.com/feross/safe-buffer/issues"
     "url": "https://github.com/feross/safe-buffer/issues"
@@ -38,22 +36,8 @@
   "description": "Safer Node.js Buffer API",
   "description": "Safer Node.js Buffer API",
   "devDependencies": {
   "devDependencies": {
     "standard": "*",
     "standard": "*",
-    "tape": "^5.0.0"
+    "tape": "^4.0.0"
   },
   },
-  "funding": [
-    {
-      "type": "github",
-      "url": "https://github.com/sponsors/feross"
-    },
-    {
-      "type": "patreon",
-      "url": "https://www.patreon.com/feross"
-    },
-    {
-      "type": "consulting",
-      "url": "https://feross.org/support"
-    }
-  ],
   "homepage": "https://github.com/feross/safe-buffer",
   "homepage": "https://github.com/feross/safe-buffer",
   "keywords": [
   "keywords": [
     "buffer",
     "buffer",
@@ -75,5 +59,5 @@
     "test": "standard && tape test/*.js"
     "test": "standard && tape test/*.js"
   },
   },
   "types": "index.d.ts",
   "types": "index.d.ts",
-  "version": "5.2.1"
+  "version": "5.1.2"
 }
 }

+Copyright Brian White. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
\ No newline at end of file

+Description
+===========
+
+streamsearch is a module for [node.js](http://nodejs.org/) that allows searching a stream using the Boyer-Moore-Horspool algorithm.
+
+This module is based heavily on the Streaming Boyer-Moore-Horspool C++ implementation by Hongli Lai [here](https://github.com/FooBarWidget/boyer-moore-horspool).
+
+
+Requirements
+============
+
+* [node.js](http://nodejs.org/) -- v0.8.0 or newer
+
+
+Installation
+============
+
+    npm install streamsearch
+
+Example
+=======
+
+```javascript
+  var StreamSearch = require('streamsearch'),
+      inspect = require('util').inspect;
+
+  var needle = new Buffer([13, 10]), // CRLF
+      s = new StreamSearch(needle),
+      chunks = [
+        new Buffer('foo'),
+        new Buffer(' bar'),
+        new Buffer('\r'),
+        new Buffer('\n'),
+        new Buffer('baz, hello\r'),
+        new Buffer('\n world.'),
+        new Buffer('\r\n Node.JS rules!!\r\n\r\n')
+      ];
+  s.on('info', function(isMatch, data, start, end) {
+    if (data)
+      console.log('data: ' + inspect(data.toString('ascii', start, end)));
+    if (isMatch)
+      console.log('match!');
+  });
+  for (var i = 0, len = chunks.length; i < len; ++i)
+    s.push(chunks[i]);
+
+  // output:
+  //
+  // data: 'foo'
+  // data: ' bar'
+  // match!
+  // data: 'baz, hello'
+  // match!
+  // data: ' world.'
+  // match!
+  // data: ' Node.JS rules!!'
+  // match!
+  // data: ''
+  // match!
+```
+
+
+API
+===
+
+Events
+------
+
+* **info**(< _boolean_ >isMatch[, < _Buffer_ >chunk, < _integer_ >start, < _integer_ >end]) - A match _may_ or _may not_ have been made. In either case, a preceding `chunk` of data _may_ be available that did not match the needle. Data (if available) is in `chunk` between `start` (inclusive) and `end` (exclusive).
+
+
+Properties
+----------
+
+* **maxMatches** - < _integer_ > - The maximum number of matches. Defaults to Infinity.
+
+* **matches** - < _integer_ > - The current match count.
+
+
+Functions
+---------
+
+* **(constructor)**(< _mixed_ >needle) - Creates and returns a new instance for searching for a _Buffer_ or _string_ `needle`.
+
+* **push**(< _Buffer_ >chunk) - _integer_ - Processes `chunk`. The return value is the last processed index in `chunk` + 1.
+
+* **reset**() - _(void)_ - Resets internal state. Useful for when you wish to start searching a new/different stream for example.

+/*
+  Based heavily on the Streaming Boyer-Moore-Horspool C++ implementation
+  by Hongli Lai at: https://github.com/FooBarWidget/boyer-moore-horspool
+*/
+var EventEmitter = require('events').EventEmitter,
+    inherits = require('util').inherits;
+
+function jsmemcmp(buf1, pos1, buf2, pos2, num) {
+  for (var i = 0; i < num; ++i, ++pos1, ++pos2)
+    if (buf1[pos1] !== buf2[pos2])
+      return false;
+  return true;
+}
+
+function SBMH(needle) {
+  if (typeof needle === 'string')
+    needle = new Buffer(needle);
+  var i, j, needle_len = needle.length;
+
+  this.maxMatches = Infinity;
+  this.matches = 0;
+
+  this._occ = new Array(256);
+  this._lookbehind_size = 0;
+  this._needle = needle;
+  this._bufpos = 0;
+
+  this._lookbehind = new Buffer(needle_len);
+
+  // Initialize occurrence table.
+  for (j = 0; j < 256; ++j)
+    this._occ[j] = needle_len;
+
+  // Populate occurrence table with analysis of the needle,
+  // ignoring last letter.
+  if (needle_len >= 1) {
+    for (i = 0; i < needle_len - 1; ++i)
+      this._occ[needle[i]] = needle_len - 1 - i;
+  }
+}
+inherits(SBMH, EventEmitter);
+
+SBMH.prototype.reset = function() {
+  this._lookbehind_size = 0;
+  this.matches = 0;
+  this._bufpos = 0;
+};
+
+SBMH.prototype.push = function(chunk, pos) {
+  var r, chlen;
+  if (!Buffer.isBuffer(chunk))
+    chunk = new Buffer(chunk, 'binary');
+  chlen = chunk.length;
+  this._bufpos = pos || 0;
+  while (r !== chlen && this.matches < this.maxMatches)
+    r = this._sbmh_feed(chunk);
+  return r;
+};
+
+SBMH.prototype._sbmh_feed = function(data) {
+  var len = data.length, needle = this._needle, needle_len = needle.length;
+
+  // Positive: points to a position in `data`
+  //           pos == 3 points to data[3]
+  // Negative: points to a position in the lookbehind buffer
+  //           pos == -2 points to lookbehind[lookbehind_size - 2]
+  var pos = -this._lookbehind_size,
+      last_needle_char = needle[needle_len - 1],
+      occ = this._occ,
+      lookbehind = this._lookbehind;
+
+  if (pos < 0) {
+    // Lookbehind buffer is not empty. Perform Boyer-Moore-Horspool
+    // search with character lookup code that considers both the
+    // lookbehind buffer and the current round's haystack data.
+    //
+    // Loop until
+    //   there is a match.
+    // or until
+    //   we've moved past the position that requires the
+    //   lookbehind buffer. In this case we switch to the
+    //   optimized loop.
+    // or until
+    //   the character to look at lies outside the haystack.
+    while (pos < 0 && pos <= len - needle_len) {
+       var ch = this._sbmh_lookup_char(data, pos + needle_len - 1);
+
+      if (ch === last_needle_char
+          && this._sbmh_memcmp(data, pos, needle_len - 1)) {
+        this._lookbehind_size = 0;
+        ++this.matches;
+        if (pos > -this._lookbehind_size)
+          this.emit('info', true, lookbehind, 0, this._lookbehind_size + pos);
+        else
+          this.emit('info', true);
+
+        this._bufpos = pos + needle_len;
+        return pos + needle_len;
+      } else
+        pos += occ[ch];
+    }
+
+    // No match.
+
+    if (pos < 0) {
+      // There's too few data for Boyer-Moore-Horspool to run,
+      // so let's use a different algorithm to skip as much as
+      // we can.
+      // Forward pos until
+      //   the trailing part of lookbehind + data
+      //   looks like the beginning of the needle
+      // or until
+      //   pos == 0
+      while (pos < 0 && !this._sbmh_memcmp(data, pos, len - pos))
+        pos++;
+    }
+
+    if (pos >= 0) {
+      // Discard lookbehind buffer.
+      this.emit('info', false, lookbehind, 0, this._lookbehind_size);
+      this._lookbehind_size = 0;
+    } else {
+      // Cut off part of the lookbehind buffer that has
+      // been processed and append the entire haystack
+      // into it.
+      var bytesToCutOff = this._lookbehind_size + pos;
+
+      if (bytesToCutOff > 0) {
+        // The cut off data is guaranteed not to contain the needle.
+        this.emit('info', false, lookbehind, 0, bytesToCutOff);
+      }
+
+      lookbehind.copy(lookbehind, 0, bytesToCutOff,
+                      this._lookbehind_size - bytesToCutOff);
+      this._lookbehind_size -= bytesToCutOff;
+
+      data.copy(lookbehind, this._lookbehind_size);
+      this._lookbehind_size += len;
+
+      this._bufpos = len;
+      return len;
+    }
+  }
+
+  if (pos >= 0)
+    pos += this._bufpos;
+
+  // Lookbehind buffer is now empty. Perform Boyer-Moore-Horspool
+  // search with optimized character lookup code that only considers
+  // the current round's haystack data.
+  while (pos <= len - needle_len) {
+    var ch = data[pos + needle_len - 1];
+
+    if (ch === last_needle_char
+        && data[pos] === needle[0]
+        && jsmemcmp(needle, 0, data, pos, needle_len - 1)) {
+      ++this.matches;
+      if (pos > 0)
+        this.emit('info', true, data, this._bufpos, pos);
+      else
+        this.emit('info', true);
+
+      this._bufpos = pos + needle_len;
+      return pos + needle_len;
+    } else
+      pos += occ[ch];
+  }
+
+  // There was no match. If there's trailing haystack data that we cannot
+  // match yet using the Boyer-Moore-Horspool algorithm (because the trailing
+  // data is less than the needle size) then match using a modified
+  // algorithm that starts matching from the beginning instead of the end.
+  // Whatever trailing data is left after running this algorithm is added to
+  // the lookbehind buffer.
+  if (pos < len) {
+    while (pos < len && (data[pos] !== needle[0]
+                         || !jsmemcmp(data, pos, needle, 0, len - pos))) {
+      ++pos;
+    }
+    if (pos < len) {
+      data.copy(lookbehind, 0, pos, pos + (len - pos));
+      this._lookbehind_size = len - pos;
+    }
+  }
+
+  // Everything until pos is guaranteed not to contain needle data.
+  if (pos > 0)
+    this.emit('info', false, data, this._bufpos, pos < len ? pos : len);
+
+  this._bufpos = len;
+  return len;
+};
+
+SBMH.prototype._sbmh_lookup_char = function(data, pos) {
+  if (pos < 0)
+    return this._lookbehind[this._lookbehind_size + pos];
+  else
+    return data[pos];
+}
+
+SBMH.prototype._sbmh_memcmp = function(data, pos, len) {
+  var i = 0;
+
+  while (i < len) {
+    if (this._sbmh_lookup_char(data, pos + i) === this._needle[i])
+      ++i;
+    else
+      return false;
+  }
+  return true;
+}
+
+module.exports = SBMH;

+{
+  "_from": "streamsearch@0.1.2",
+  "_id": "streamsearch@0.1.2",
+  "_inBundle": false,
+  "_integrity": "sha1-gIudDlb8Jz2Am6VzOOkpkZoanxo=",
+  "_location": "/streamsearch",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "version",
+    "registry": true,
+    "raw": "streamsearch@0.1.2",
+    "name": "streamsearch",
+    "escapedName": "streamsearch",
+    "rawSpec": "0.1.2",
+    "saveSpec": null,
+    "fetchSpec": "0.1.2"
+  },
+  "_requiredBy": [
+    "/dicer"
+  ],
+  "_resolved": "https://registry.npmjs.org/streamsearch/-/streamsearch-0.1.2.tgz",
+  "_shasum": "808b9d0e56fc273d809ba57338e929919a1a9f1a",
+  "_spec": "streamsearch@0.1.2",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\dicer",
+  "author": {
+    "name": "Brian White",
+    "email": "mscdex@mscdex.net"
+  },
+  "bugs": {
+    "url": "https://github.com/mscdex/streamsearch/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "Streaming Boyer-Moore-Horspool searching for node.js",
+  "engines": {
+    "node": ">=0.8.0"
+  },
+  "homepage": "https://github.com/mscdex/streamsearch#readme",
+  "keywords": [
+    "stream",
+    "horspool",
+    "boyer-moore-horspool",
+    "boyer-moore",
+    "search"
+  ],
+  "licenses": [
+    {
+      "type": "MIT",
+      "url": "http://github.com/mscdex/streamsearch/raw/master/LICENSE"
+    }
+  ],
+  "main": "./lib/sbmh",
+  "name": "streamsearch",
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/mscdex/streamsearch.git"
+  },
+  "version": "0.1.2"
+}

+build
+test

-Node.js is licensed for use as follows:
-
-"""
-Copyright Node.js contributors. All rights reserved.
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to
-deal in the Software without restriction, including without limitation the
-rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-sell copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
-IN THE SOFTWARE.
-"""
-
-This license applies to parts of Node.js originating from the
-https://github.com/joyent/node repository:
-
-"""
-Copyright Joyent, Inc. and other Node contributors. All rights reserved.
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to
-deal in the Software without restriction, including without limitation the
-rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-sell copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
-IN THE SOFTWARE.
-"""
-
+Copyright Joyent, Inc. and other Node contributors.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.

-# string_decoder
+**string_decoder.js** (`require('string_decoder')`) from Node.js core
 
 
-***Node-core v8.9.4 string_decoder for userland***
+Copyright Joyent, Inc. and other Node contributors. See LICENCE file for details.
 
 
+Version numbers match the versions found in Node core, e.g. 0.10.24 matches Node 0.10.24, likewise 0.11.10 matches Node 0.11.10. **Prefer the stable version over the unstable.**
 
 
-[![NPM](https://nodei.co/npm/string_decoder.png?downloads=true&downloadRank=true)](https://nodei.co/npm/string_decoder/)
-[![NPM](https://nodei.co/npm-dl/string_decoder.png?&months=6&height=3)](https://nodei.co/npm/string_decoder/)
-
-
-```bash
-npm install --save string_decoder
-```
-
-***Node-core string_decoder for userland***
-
-This package is a mirror of the string_decoder implementation in Node-core.
-
-Full documentation may be found on the [Node.js website](https://nodejs.org/dist/v8.9.4/docs/api/).
-
-As of version 1.0.0 **string_decoder** uses semantic versioning.
-
-## Previous versions
-
-Previous version numbers match the versions found in Node core, e.g. 0.10.24 matches Node 0.10.24, likewise 0.11.10 matches Node 0.11.10.
-
-## Update
-
-The *build/* directory contains a build script that will scrape the source from the [nodejs/node](https://github.com/nodejs/node) repo given a specific Node version.
-
-## Streams Working Group
-
-`string_decoder` is maintained by the Streams Working Group, which
-oversees the development and maintenance of the Streams API within
-Node.js. The responsibilities of the Streams Working Group include:
-
-* Addressing stream issues on the Node.js issue tracker.
-* Authoring and editing stream documentation within the Node.js project.
-* Reviewing changes to stream subclasses within the Node.js project.
-* Redirecting changes to streams from the Node.js project to this
-  project.
-* Assisting in the implementation of stream providers within Node.js.
-* Recommending versions of `readable-stream` to be included in Node.js.
-* Messaging about the future of streams to give the community advance
-  notice of changes.
-
-See [readable-stream](https://github.com/nodejs/readable-stream) for
-more details.
+The *build/* directory contains a build script that will scrape the source from the [joyent/node](https://github.com/joyent/node) repo given a specific Node version.
\ No newline at end of file

+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var Buffer = require('buffer').Buffer;
+
+var isBufferEncoding = Buffer.isEncoding
+  || function(encoding) {
+       switch (encoding && encoding.toLowerCase()) {
+         case 'hex': case 'utf8': case 'utf-8': case 'ascii': case 'binary': case 'base64': case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': case 'raw': return true;
+         default: return false;
+       }
+     }
+
+
+function assertEncoding(encoding) {
+  if (encoding && !isBufferEncoding(encoding)) {
+    throw new Error('Unknown encoding: ' + encoding);
+  }
+}
+
+// StringDecoder provides an interface for efficiently splitting a series of
+// buffers into a series of JS strings without breaking apart multi-byte
+// characters. CESU-8 is handled as part of the UTF-8 encoding.
+//
+// @TODO Handling all encodings inside a single object makes it very difficult
+// to reason about this code, so it should be split up in the future.
+// @TODO There should be a utf8-strict encoding that rejects invalid UTF-8 code
+// points as used by CESU-8.
+var StringDecoder = exports.StringDecoder = function(encoding) {
+  this.encoding = (encoding || 'utf8').toLowerCase().replace(/[-_]/, '');
+  assertEncoding(encoding);
+  switch (this.encoding) {
+    case 'utf8':
+      // CESU-8 represents each of Surrogate Pair by 3-bytes
+      this.surrogateSize = 3;
+      break;
+    case 'ucs2':
+    case 'utf16le':
+      // UTF-16 represents each of Surrogate Pair by 2-bytes
+      this.surrogateSize = 2;
+      this.detectIncompleteChar = utf16DetectIncompleteChar;
+      break;
+    case 'base64':
+      // Base-64 stores 3 bytes in 4 chars, and pads the remainder.
+      this.surrogateSize = 3;
+      this.detectIncompleteChar = base64DetectIncompleteChar;
+      break;
+    default:
+      this.write = passThroughWrite;
+      return;
+  }
+
+  // Enough space to store all bytes of a single character. UTF-8 needs 4
+  // bytes, but CESU-8 may require up to 6 (3 bytes per surrogate).
+  this.charBuffer = new Buffer(6);
+  // Number of bytes received for the current incomplete multi-byte character.
+  this.charReceived = 0;
+  // Number of bytes expected for the current incomplete multi-byte character.
+  this.charLength = 0;
+};
+
+
+// write decodes the given buffer and returns it as JS string that is
+// guaranteed to not contain any partial multi-byte characters. Any partial
+// character found at the end of the buffer is buffered up, and will be
+// returned when calling write again with the remaining bytes.
+//
+// Note: Converting a Buffer containing an orphan surrogate to a String
+// currently works, but converting a String to a Buffer (via `new Buffer`, or
+// Buffer#write) will replace incomplete surrogates with the unicode
+// replacement character. See https://codereview.chromium.org/121173009/ .
+StringDecoder.prototype.write = function(buffer) {
+  var charStr = '';
+  // if our last write ended with an incomplete multibyte character
+  while (this.charLength) {
+    // determine how many remaining bytes this buffer has to offer for this char
+    var available = (buffer.length >= this.charLength - this.charReceived) ?
+        this.charLength - this.charReceived :
+        buffer.length;
+
+    // add the new bytes to the char buffer
+    buffer.copy(this.charBuffer, this.charReceived, 0, available);
+    this.charReceived += available;
+
+    if (this.charReceived < this.charLength) {
+      // still not enough chars in this buffer? wait for more ...
+      return '';
+    }
+
+    // remove bytes belonging to the current character from the buffer
+    buffer = buffer.slice(available, buffer.length);
+
+    // get the character that was split
+    charStr = this.charBuffer.slice(0, this.charLength).toString(this.encoding);
+
+    // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character
+    var charCode = charStr.charCodeAt(charStr.length - 1);
+    if (charCode >= 0xD800 && charCode <= 0xDBFF) {
+      this.charLength += this.surrogateSize;
+      charStr = '';
+      continue;
+    }
+    this.charReceived = this.charLength = 0;
+
+    // if there are no more bytes in this buffer, just emit our char
+    if (buffer.length === 0) {
+      return charStr;
+    }
+    break;
+  }
+
+  // determine and set charLength / charReceived
+  this.detectIncompleteChar(buffer);
+
+  var end = buffer.length;
+  if (this.charLength) {
+    // buffer the incomplete character bytes we got
+    buffer.copy(this.charBuffer, 0, buffer.length - this.charReceived, end);
+    end -= this.charReceived;
+  }
+
+  charStr += buffer.toString(this.encoding, 0, end);
+
+  var end = charStr.length - 1;
+  var charCode = charStr.charCodeAt(end);
+  // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character
+  if (charCode >= 0xD800 && charCode <= 0xDBFF) {
+    var size = this.surrogateSize;
+    this.charLength += size;
+    this.charReceived += size;
+    this.charBuffer.copy(this.charBuffer, size, 0, size);
+    buffer.copy(this.charBuffer, 0, 0, size);
+    return charStr.substring(0, end);
+  }
+
+  // or just emit the charStr
+  return charStr;
+};
+
+// detectIncompleteChar determines if there is an incomplete UTF-8 character at
+// the end of the given buffer. If so, it sets this.charLength to the byte
+// length that character, and sets this.charReceived to the number of bytes
+// that are available for this character.
+StringDecoder.prototype.detectIncompleteChar = function(buffer) {
+  // determine how many bytes we have to check at the end of this buffer
+  var i = (buffer.length >= 3) ? 3 : buffer.length;
+
+  // Figure out if one of the last i bytes of our buffer announces an
+  // incomplete char.
+  for (; i > 0; i--) {
+    var c = buffer[buffer.length - i];
+
+    // See http://en.wikipedia.org/wiki/UTF-8#Description
+
+    // 110XXXXX
+    if (i == 1 && c >> 5 == 0x06) {
+      this.charLength = 2;
+      break;
+    }
+
+    // 1110XXXX
+    if (i <= 2 && c >> 4 == 0x0E) {
+      this.charLength = 3;
+      break;
+    }
+
+    // 11110XXX
+    if (i <= 3 && c >> 3 == 0x1E) {
+      this.charLength = 4;
+      break;
+    }
+  }
+  this.charReceived = i;
+};
+
+StringDecoder.prototype.end = function(buffer) {
+  var res = '';
+  if (buffer && buffer.length)
+    res = this.write(buffer);
+
+  if (this.charReceived) {
+    var cr = this.charReceived;
+    var buf = this.charBuffer;
+    var enc = this.encoding;
+    res += buf.slice(0, cr).toString(enc);
+  }
+
+  return res;
+};
+
+function passThroughWrite(buffer) {
+  return buffer.toString(this.encoding);
+}
+
+function utf16DetectIncompleteChar(buffer) {
+  this.charReceived = buffer.length % 2;
+  this.charLength = this.charReceived ? 2 : 0;
+}
+
+function base64DetectIncompleteChar(buffer) {
+  this.charReceived = buffer.length % 3;
+  this.charLength = this.charReceived ? 3 : 0;
+}

 {
 {
-  "_from": "string_decoder@^1.1.1",
-  "_id": "string_decoder@1.3.0",
+  "_from": "string_decoder@~0.10.x",
+  "_id": "string_decoder@0.10.31",
   "_inBundle": false,
   "_inBundle": false,
-  "_integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+  "_integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
   "_location": "/string_decoder",
   "_location": "/string_decoder",
   "_phantomChildren": {},
   "_phantomChildren": {},
   "_requested": {
   "_requested": {
     "type": "range",
     "type": "range",
     "registry": true,
     "registry": true,
-    "raw": "string_decoder@^1.1.1",
+    "raw": "string_decoder@~0.10.x",
     "name": "string_decoder",
     "name": "string_decoder",
     "escapedName": "string_decoder",
     "escapedName": "string_decoder",
-    "rawSpec": "^1.1.1",
+    "rawSpec": "~0.10.x",
     "saveSpec": null,
     "saveSpec": null,
-    "fetchSpec": "^1.1.1"
+    "fetchSpec": "~0.10.x"
   },
   },
   "_requiredBy": [
   "_requiredBy": [
     "/readable-stream"
     "/readable-stream"
   ],
   ],
-  "_resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
-  "_shasum": "42f114594a46cf1a8e30b0a84f56c78c3edac21e",
-  "_spec": "string_decoder@^1.1.1",
+  "_resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+  "_shasum": "62e203bc41766c6c28c9fc84301dab1c5310fa94",
+  "_spec": "string_decoder@~0.10.x",
   "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\readable-stream",
   "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\readable-stream",
   "bugs": {
   "bugs": {
-    "url": "https://github.com/nodejs/string_decoder/issues"
+    "url": "https://github.com/rvagg/string_decoder/issues"
   },
   },
   "bundleDependencies": false,
   "bundleDependencies": false,
-  "dependencies": {
-    "safe-buffer": "~5.2.0"
-  },
+  "dependencies": {},
   "deprecated": false,
   "deprecated": false,
   "description": "The string_decoder module from Node core",
   "description": "The string_decoder module from Node core",
   "devDependencies": {
   "devDependencies": {
-    "babel-polyfill": "^6.23.0",
-    "core-util-is": "^1.0.2",
-    "inherits": "^2.0.3",
     "tap": "~0.4.8"
     "tap": "~0.4.8"
   },
   },
-  "files": [
-    "lib"
-  ],
-  "homepage": "https://github.com/nodejs/string_decoder",
+  "homepage": "https://github.com/rvagg/string_decoder",
   "keywords": [
   "keywords": [
     "string",
     "string",
     "decoder",
     "decoder",
@@ -48,15 +40,14 @@
     "browserify"
     "browserify"
   ],
   ],
   "license": "MIT",
   "license": "MIT",
-  "main": "lib/string_decoder.js",
+  "main": "index.js",
   "name": "string_decoder",
   "name": "string_decoder",
   "repository": {
   "repository": {
     "type": "git",
     "type": "git",
-    "url": "git://github.com/nodejs/string_decoder.git"
+    "url": "git://github.com/rvagg/string_decoder.git"
   },
   },
   "scripts": {
   "scripts": {
-    "ci": "tap test/parallel/*.js test/ours/*.js --tap | tee test.tap && node test/verify-dependencies.js",
-    "test": "tap test/parallel/*.js && node test/verify-dependencies"
+    "test": "tap test/simple/*.js"
   },
   },
-  "version": "1.3.0"
+  "version": "0.10.31"
 }
 }

+language: node_js
+node_js:
+  - "0.8"
+  - "0.10"

+/*
+ Copyright (c) 2010, Linden Research, Inc.
+ Copyright (c) 2012, Joshua Bell
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+ $/LicenseInfo$
+ */
+
+// Original can be found at:
+//   https://bitbucket.org/lindenlab/llsd
+// Modifications by Joshua Bell inexorabletash@gmail.com
+//   https://github.com/inexorabletash/polyfill
+
+// ES3/ES5 implementation of the Krhonos Typed Array Specification
+//   Ref: http://www.khronos.org/registry/typedarray/specs/latest/
+//   Date: 2011-02-01
+//
+// Variations:
+//  * Allows typed_array.get/set() as alias for subscripts (typed_array[])

+var Uint8Array = require('../').Uint8Array;
+var ua = new Uint8Array(5);
+ua[1] = 256 + 55;
+console.log(ua[1]);

+var undefined = (void 0); // Paranoia
+
+// Beyond this value, index getters/setters (i.e. array[0], array[1]) are so slow to
+// create, and consume so much memory, that the browser appears frozen.
+var MAX_ARRAY_LENGTH = 1e5;
+
+// Approximations of internal ECMAScript conversion functions
+var ECMAScript = (function() {
+  // Stash a copy in case other scripts modify these
+  var opts = Object.prototype.toString,
+      ophop = Object.prototype.hasOwnProperty;
+
+  return {
+    // Class returns internal [[Class]] property, used to avoid cross-frame instanceof issues:
+    Class: function(v) { return opts.call(v).replace(/^\[object *|\]$/g, ''); },
+    HasProperty: function(o, p) { return p in o; },
+    HasOwnProperty: function(o, p) { return ophop.call(o, p); },
+    IsCallable: function(o) { return typeof o === 'function'; },
+    ToInt32: function(v) { return v >> 0; },
+    ToUint32: function(v) { return v >>> 0; }
+  };
+}());
+
+// Snapshot intrinsics
+var LN2 = Math.LN2,
+    abs = Math.abs,
+    floor = Math.floor,
+    log = Math.log,
+    min = Math.min,
+    pow = Math.pow,
+    round = Math.round;
+
+// ES5: lock down object properties
+function configureProperties(obj) {
+  if (getOwnPropNames && defineProp) {
+    var props = getOwnPropNames(obj), i;
+    for (i = 0; i < props.length; i += 1) {
+      defineProp(obj, props[i], {
+        value: obj[props[i]],
+        writable: false,
+        enumerable: false,
+        configurable: false
+      });
+    }
+  }
+}
+
+// emulate ES5 getter/setter API using legacy APIs
+// http://blogs.msdn.com/b/ie/archive/2010/09/07/transitioning-existing-code-to-the-es5-getter-setter-apis.aspx
+// (second clause tests for Object.defineProperty() in IE<9 that only supports extending DOM prototypes, but
+// note that IE<9 does not support __defineGetter__ or __defineSetter__ so it just renders the method harmless)
+var defineProp
+if (Object.defineProperty && (function() {
+      try {
+        Object.defineProperty({}, 'x', {});
+        return true;
+      } catch (e) {
+        return false;
+      }
+    })()) {
+  defineProp = Object.defineProperty;
+} else {
+  defineProp = function(o, p, desc) {
+    if (!o === Object(o)) throw new TypeError("Object.defineProperty called on non-object");
+    if (ECMAScript.HasProperty(desc, 'get') && Object.prototype.__defineGetter__) { Object.prototype.__defineGetter__.call(o, p, desc.get); }
+    if (ECMAScript.HasProperty(desc, 'set') && Object.prototype.__defineSetter__) { Object.prototype.__defineSetter__.call(o, p, desc.set); }
+    if (ECMAScript.HasProperty(desc, 'value')) { o[p] = desc.value; }
+    return o;
+  };
+}
+
+var getOwnPropNames = Object.getOwnPropertyNames || function (o) {
+  if (o !== Object(o)) throw new TypeError("Object.getOwnPropertyNames called on non-object");
+  var props = [], p;
+  for (p in o) {
+    if (ECMAScript.HasOwnProperty(o, p)) {
+      props.push(p);
+    }
+  }
+  return props;
+};
+
+// ES5: Make obj[index] an alias for obj._getter(index)/obj._setter(index, value)
+// for index in 0 ... obj.length
+function makeArrayAccessors(obj) {
+  if (!defineProp) { return; }
+
+  if (obj.length > MAX_ARRAY_LENGTH) throw new RangeError("Array too large for polyfill");
+
+  function makeArrayAccessor(index) {
+    defineProp(obj, index, {
+      'get': function() { return obj._getter(index); },
+      'set': function(v) { obj._setter(index, v); },
+      enumerable: true,
+      configurable: false
+    });
+  }
+
+  var i;
+  for (i = 0; i < obj.length; i += 1) {
+    makeArrayAccessor(i);
+  }
+}
+
+// Internal conversion functions:
+//    pack<Type>()   - take a number (interpreted as Type), output a byte array
+//    unpack<Type>() - take a byte array, output a Type-like number
+
+function as_signed(value, bits) { var s = 32 - bits; return (value << s) >> s; }
+function as_unsigned(value, bits) { var s = 32 - bits; return (value << s) >>> s; }
+
+function packI8(n) { return [n & 0xff]; }
+function unpackI8(bytes) { return as_signed(bytes[0], 8); }
+
+function packU8(n) { return [n & 0xff]; }
+function unpackU8(bytes) { return as_unsigned(bytes[0], 8); }
+
+function packU8Clamped(n) { n = round(Number(n)); return [n < 0 ? 0 : n > 0xff ? 0xff : n & 0xff]; }
+
+function packI16(n) { return [(n >> 8) & 0xff, n & 0xff]; }
+function unpackI16(bytes) { return as_signed(bytes[0] << 8 | bytes[1], 16); }
+
+function packU16(n) { return [(n >> 8) & 0xff, n & 0xff]; }
+function unpackU16(bytes) { return as_unsigned(bytes[0] << 8 | bytes[1], 16); }
+
+function packI32(n) { return [(n >> 24) & 0xff, (n >> 16) & 0xff, (n >> 8) & 0xff, n & 0xff]; }
+function unpackI32(bytes) { return as_signed(bytes[0] << 24 | bytes[1] << 16 | bytes[2] << 8 | bytes[3], 32); }
+
+function packU32(n) { return [(n >> 24) & 0xff, (n >> 16) & 0xff, (n >> 8) & 0xff, n & 0xff]; }
+function unpackU32(bytes) { return as_unsigned(bytes[0] << 24 | bytes[1] << 16 | bytes[2] << 8 | bytes[3], 32); }
+
+function packIEEE754(v, ebits, fbits) {
+
+  var bias = (1 << (ebits - 1)) - 1,
+      s, e, f, ln,
+      i, bits, str, bytes;
+
+  function roundToEven(n) {
+    var w = floor(n), f = n - w;
+    if (f < 0.5)
+      return w;
+    if (f > 0.5)
+      return w + 1;
+    return w % 2 ? w + 1 : w;
+  }
+
+  // Compute sign, exponent, fraction
+  if (v !== v) {
+    // NaN
+    // http://dev.w3.org/2006/webapi/WebIDL/#es-type-mapping
+    e = (1 << ebits) - 1; f = pow(2, fbits - 1); s = 0;
+  } else if (v === Infinity || v === -Infinity) {
+    e = (1 << ebits) - 1; f = 0; s = (v < 0) ? 1 : 0;
+  } else if (v === 0) {
+    e = 0; f = 0; s = (1 / v === -Infinity) ? 1 : 0;
+  } else {
+    s = v < 0;
+    v = abs(v);
+
+    if (v >= pow(2, 1 - bias)) {
+      e = min(floor(log(v) / LN2), 1023);
+      f = roundToEven(v / pow(2, e) * pow(2, fbits));
+      if (f / pow(2, fbits) >= 2) {
+        e = e + 1;
+        f = 1;
+      }
+      if (e > bias) {
+        // Overflow
+        e = (1 << ebits) - 1;
+        f = 0;
+      } else {
+        // Normalized
+        e = e + bias;
+        f = f - pow(2, fbits);
+      }
+    } else {
+      // Denormalized
+      e = 0;
+      f = roundToEven(v / pow(2, 1 - bias - fbits));
+    }
+  }
+
+  // Pack sign, exponent, fraction
+  bits = [];
+  for (i = fbits; i; i -= 1) { bits.push(f % 2 ? 1 : 0); f = floor(f / 2); }
+  for (i = ebits; i; i -= 1) { bits.push(e % 2 ? 1 : 0); e = floor(e / 2); }
+  bits.push(s ? 1 : 0);
+  bits.reverse();
+  str = bits.join('');
+
+  // Bits to bytes
+  bytes = [];
+  while (str.length) {
+    bytes.push(parseInt(str.substring(0, 8), 2));
+    str = str.substring(8);
+  }
+  return bytes;
+}
+
+function unpackIEEE754(bytes, ebits, fbits) {
+
+  // Bytes to bits
+  var bits = [], i, j, b, str,
+      bias, s, e, f;
+
+  for (i = bytes.length; i; i -= 1) {
+    b = bytes[i - 1];
+    for (j = 8; j; j -= 1) {
+      bits.push(b % 2 ? 1 : 0); b = b >> 1;
+    }
+  }
+  bits.reverse();
+  str = bits.join('');
+
+  // Unpack sign, exponent, fraction
+  bias = (1 << (ebits - 1)) - 1;
+  s = parseInt(str.substring(0, 1), 2) ? -1 : 1;
+  e = parseInt(str.substring(1, 1 + ebits), 2);
+  f = parseInt(str.substring(1 + ebits), 2);
+
+  // Produce number
+  if (e === (1 << ebits) - 1) {
+    return f !== 0 ? NaN : s * Infinity;
+  } else if (e > 0) {
+    // Normalized
+    return s * pow(2, e - bias) * (1 + f / pow(2, fbits));
+  } else if (f !== 0) {
+    // Denormalized
+    return s * pow(2, -(bias - 1)) * (f / pow(2, fbits));
+  } else {
+    return s < 0 ? -0 : 0;
+  }
+}
+
+function unpackF64(b) { return unpackIEEE754(b, 11, 52); }
+function packF64(v) { return packIEEE754(v, 11, 52); }
+function unpackF32(b) { return unpackIEEE754(b, 8, 23); }
+function packF32(v) { return packIEEE754(v, 8, 23); }
+
+
+//
+// 3 The ArrayBuffer Type
+//
+
+(function() {
+
+  /** @constructor */
+  var ArrayBuffer = function ArrayBuffer(length) {
+    length = ECMAScript.ToInt32(length);
+    if (length < 0) throw new RangeError('ArrayBuffer size is not a small enough positive integer');
+
+    this.byteLength = length;
+    this._bytes = [];
+    this._bytes.length = length;
+
+    var i;
+    for (i = 0; i < this.byteLength; i += 1) {
+      this._bytes[i] = 0;
+    }
+
+    configureProperties(this);
+  };
+
+  exports.ArrayBuffer = exports.ArrayBuffer || ArrayBuffer;
+
+  //
+  // 4 The ArrayBufferView Type
+  //
+
+  // NOTE: this constructor is not exported
+  /** @constructor */
+  var ArrayBufferView = function ArrayBufferView() {
+    //this.buffer = null;
+    //this.byteOffset = 0;
+    //this.byteLength = 0;
+  };
+
+  //
+  // 5 The Typed Array View Types
+  //
+
+  function makeConstructor(bytesPerElement, pack, unpack) {
+    // Each TypedArray type requires a distinct constructor instance with
+    // identical logic, which this produces.
+
+    var ctor;
+    ctor = function(buffer, byteOffset, length) {
+      var array, sequence, i, s;
+
+      if (!arguments.length || typeof arguments[0] === 'number') {
+        // Constructor(unsigned long length)
+        this.length = ECMAScript.ToInt32(arguments[0]);
+        if (length < 0) throw new RangeError('ArrayBufferView size is not a small enough positive integer');
+
+        this.byteLength = this.length * this.BYTES_PER_ELEMENT;
+        this.buffer = new ArrayBuffer(this.byteLength);
+        this.byteOffset = 0;
+      } else if (typeof arguments[0] === 'object' && arguments[0].constructor === ctor) {
+        // Constructor(TypedArray array)
+        array = arguments[0];
+
+        this.length = array.length;
+        this.byteLength = this.length * this.BYTES_PER_ELEMENT;
+        this.buffer = new ArrayBuffer(this.byteLength);
+        this.byteOffset = 0;
+
+        for (i = 0; i < this.length; i += 1) {
+          this._setter(i, array._getter(i));
+        }
+      } else if (typeof arguments[0] === 'object' &&
+                 !(arguments[0] instanceof ArrayBuffer || ECMAScript.Class(arguments[0]) === 'ArrayBuffer')) {
+        // Constructor(sequence<type> array)
+        sequence = arguments[0];
+
+        this.length = ECMAScript.ToUint32(sequence.length);
+        this.byteLength = this.length * this.BYTES_PER_ELEMENT;
+        this.buffer = new ArrayBuffer(this.byteLength);
+        this.byteOffset = 0;
+
+        for (i = 0; i < this.length; i += 1) {
+          s = sequence[i];
+          this._setter(i, Number(s));
+        }
+      } else if (typeof arguments[0] === 'object' &&
+                 (arguments[0] instanceof ArrayBuffer || ECMAScript.Class(arguments[0]) === 'ArrayBuffer')) {
+        // Constructor(ArrayBuffer buffer,
+        //             optional unsigned long byteOffset, optional unsigned long length)
+        this.buffer = buffer;
+
+        this.byteOffset = ECMAScript.ToUint32(byteOffset);
+        if (this.byteOffset > this.buffer.byteLength) {
+          throw new RangeError("byteOffset out of range");
+        }
+
+        if (this.byteOffset % this.BYTES_PER_ELEMENT) {
+          // The given byteOffset must be a multiple of the element
+          // size of the specific type, otherwise an exception is raised.
+          throw new RangeError("ArrayBuffer length minus the byteOffset is not a multiple of the element size.");
+        }
+
+        if (arguments.length < 3) {
+          this.byteLength = this.buffer.byteLength - this.byteOffset;
+
+          if (this.byteLength % this.BYTES_PER_ELEMENT) {
+            throw new RangeError("length of buffer minus byteOffset not a multiple of the element size");
+          }
+          this.length = this.byteLength / this.BYTES_PER_ELEMENT;
+        } else {
+          this.length = ECMAScript.ToUint32(length);
+          this.byteLength = this.length * this.BYTES_PER_ELEMENT;
+        }
+
+        if ((this.byteOffset + this.byteLength) > this.buffer.byteLength) {
+          throw new RangeError("byteOffset and length reference an area beyond the end of the buffer");
+        }
+      } else {
+        throw new TypeError("Unexpected argument type(s)");
+      }
+
+      this.constructor = ctor;
+
+      configureProperties(this);
+      makeArrayAccessors(this);
+    };
+
+    ctor.prototype = new ArrayBufferView();
+    ctor.prototype.BYTES_PER_ELEMENT = bytesPerElement;
+    ctor.prototype._pack = pack;
+    ctor.prototype._unpack = unpack;
+    ctor.BYTES_PER_ELEMENT = bytesPerElement;
+
+    // getter type (unsigned long index);
+    ctor.prototype._getter = function(index) {
+      if (arguments.length < 1) throw new SyntaxError("Not enough arguments");
+
+      index = ECMAScript.ToUint32(index);
+      if (index >= this.length) {
+        return undefined;
+      }
+
+      var bytes = [], i, o;
+      for (i = 0, o = this.byteOffset + index * this.BYTES_PER_ELEMENT;
+           i < this.BYTES_PER_ELEMENT;
+           i += 1, o += 1) {
+        bytes.push(this.buffer._bytes[o]);
+      }
+      return this._unpack(bytes);
+    };
+
+    // NONSTANDARD: convenience alias for getter: type get(unsigned long index);
+    ctor.prototype.get = ctor.prototype._getter;
+
+    // setter void (unsigned long index, type value);
+    ctor.prototype._setter = function(index, value) {
+      if (arguments.length < 2) throw new SyntaxError("Not enough arguments");
+
+      index = ECMAScript.ToUint32(index);
+      if (index >= this.length) {
+        return undefined;
+      }
+
+      var bytes = this._pack(value), i, o;
+      for (i = 0, o = this.byteOffset + index * this.BYTES_PER_ELEMENT;
+           i < this.BYTES_PER_ELEMENT;
+           i += 1, o += 1) {
+        this.buffer._bytes[o] = bytes[i];
+      }
+    };
+
+    // void set(TypedArray array, optional unsigned long offset);
+    // void set(sequence<type> array, optional unsigned long offset);
+    ctor.prototype.set = function(index, value) {
+      if (arguments.length < 1) throw new SyntaxError("Not enough arguments");
+      var array, sequence, offset, len,
+          i, s, d,
+          byteOffset, byteLength, tmp;
+
+      if (typeof arguments[0] === 'object' && arguments[0].constructor === this.constructor) {
+        // void set(TypedArray array, optional unsigned long offset);
+        array = arguments[0];
+        offset = ECMAScript.ToUint32(arguments[1]);
+
+        if (offset + array.length > this.length) {
+          throw new RangeError("Offset plus length of array is out of range");
+        }
+
+        byteOffset = this.byteOffset + offset * this.BYTES_PER_ELEMENT;
+        byteLength = array.length * this.BYTES_PER_ELEMENT;
+
+        if (array.buffer === this.buffer) {
+          tmp = [];
+          for (i = 0, s = array.byteOffset; i < byteLength; i += 1, s += 1) {
+            tmp[i] = array.buffer._bytes[s];
+          }
+          for (i = 0, d = byteOffset; i < byteLength; i += 1, d += 1) {
+            this.buffer._bytes[d] = tmp[i];
+          }
+        } else {
+          for (i = 0, s = array.byteOffset, d = byteOffset;
+               i < byteLength; i += 1, s += 1, d += 1) {
+            this.buffer._bytes[d] = array.buffer._bytes[s];
+          }
+        }
+      } else if (typeof arguments[0] === 'object' && typeof arguments[0].length !== 'undefined') {
+        // void set(sequence<type> array, optional unsigned long offset);
+        sequence = arguments[0];
+        len = ECMAScript.ToUint32(sequence.length);
+        offset = ECMAScript.ToUint32(arguments[1]);
+
+        if (offset + len > this.length) {
+          throw new RangeError("Offset plus length of array is out of range");
+        }
+
+        for (i = 0; i < len; i += 1) {
+          s = sequence[i];
+          this._setter(offset + i, Number(s));
+        }
+      } else {
+        throw new TypeError("Unexpected argument type(s)");
+      }
+    };
+
+    // TypedArray subarray(long begin, optional long end);
+    ctor.prototype.subarray = function(start, end) {
+      function clamp(v, min, max) { return v < min ? min : v > max ? max : v; }
+
+      start = ECMAScript.ToInt32(start);
+      end = ECMAScript.ToInt32(end);
+
+      if (arguments.length < 1) { start = 0; }
+      if (arguments.length < 2) { end = this.length; }
+
+      if (start < 0) { start = this.length + start; }
+      if (end < 0) { end = this.length + end; }
+
+      start = clamp(start, 0, this.length);
+      end = clamp(end, 0, this.length);
+
+      var len = end - start;
+      if (len < 0) {
+        len = 0;
+      }
+
+      return new this.constructor(
+        this.buffer, this.byteOffset + start * this.BYTES_PER_ELEMENT, len);
+    };
+
+    return ctor;
+  }
+
+  var Int8Array = makeConstructor(1, packI8, unpackI8);
+  var Uint8Array = makeConstructor(1, packU8, unpackU8);
+  var Uint8ClampedArray = makeConstructor(1, packU8Clamped, unpackU8);
+  var Int16Array = makeConstructor(2, packI16, unpackI16);
+  var Uint16Array = makeConstructor(2, packU16, unpackU16);
+  var Int32Array = makeConstructor(4, packI32, unpackI32);
+  var Uint32Array = makeConstructor(4, packU32, unpackU32);
+  var Float32Array = makeConstructor(4, packF32, unpackF32);
+  var Float64Array = makeConstructor(8, packF64, unpackF64);
+
+  exports.Int8Array = exports.Int8Array || Int8Array;
+  exports.Uint8Array = exports.Uint8Array || Uint8Array;
+  exports.Uint8ClampedArray = exports.Uint8ClampedArray || Uint8ClampedArray;
+  exports.Int16Array = exports.Int16Array || Int16Array;
+  exports.Uint16Array = exports.Uint16Array || Uint16Array;
+  exports.Int32Array = exports.Int32Array || Int32Array;
+  exports.Uint32Array = exports.Uint32Array || Uint32Array;
+  exports.Float32Array = exports.Float32Array || Float32Array;
+  exports.Float64Array = exports.Float64Array || Float64Array;
+}());
+
+//
+// 6 The DataView View Type
+//
+
+(function() {
+  function r(array, index) {
+    return ECMAScript.IsCallable(array.get) ? array.get(index) : array[index];
+  }
+
+  var IS_BIG_ENDIAN = (function() {
+    var u16array = new(exports.Uint16Array)([0x1234]),
+        u8array = new(exports.Uint8Array)(u16array.buffer);
+    return r(u8array, 0) === 0x12;
+  }());
+
+  // Constructor(ArrayBuffer buffer,
+  //             optional unsigned long byteOffset,
+  //             optional unsigned long byteLength)
+  /** @constructor */
+  var DataView = function DataView(buffer, byteOffset, byteLength) {
+    if (arguments.length === 0) {
+      buffer = new exports.ArrayBuffer(0);
+    } else if (!(buffer instanceof exports.ArrayBuffer || ECMAScript.Class(buffer) === 'ArrayBuffer')) {
+      throw new TypeError("TypeError");
+    }
+
+    this.buffer = buffer || new exports.ArrayBuffer(0);
+
+    this.byteOffset = ECMAScript.ToUint32(byteOffset);
+    if (this.byteOffset > this.buffer.byteLength) {
+      throw new RangeError("byteOffset out of range");
+    }
+
+    if (arguments.length < 3) {
+      this.byteLength = this.buffer.byteLength - this.byteOffset;
+    } else {
+      this.byteLength = ECMAScript.ToUint32(byteLength);
+    }
+
+    if ((this.byteOffset + this.byteLength) > this.buffer.byteLength) {
+      throw new RangeError("byteOffset and length reference an area beyond the end of the buffer");
+    }
+
+    configureProperties(this);
+  };
+
+  function makeGetter(arrayType) {
+    return function(byteOffset, littleEndian) {
+
+      byteOffset = ECMAScript.ToUint32(byteOffset);
+
+      if (byteOffset + arrayType.BYTES_PER_ELEMENT > this.byteLength) {
+        throw new RangeError("Array index out of range");
+      }
+      byteOffset += this.byteOffset;
+
+      var uint8Array = new exports.Uint8Array(this.buffer, byteOffset, arrayType.BYTES_PER_ELEMENT),
+          bytes = [], i;
+      for (i = 0; i < arrayType.BYTES_PER_ELEMENT; i += 1) {
+        bytes.push(r(uint8Array, i));
+      }
+
+      if (Boolean(littleEndian) === Boolean(IS_BIG_ENDIAN)) {
+        bytes.reverse();
+      }
+
+      return r(new arrayType(new exports.Uint8Array(bytes).buffer), 0);
+    };
+  }
+
+  DataView.prototype.getUint8 = makeGetter(exports.Uint8Array);
+  DataView.prototype.getInt8 = makeGetter(exports.Int8Array);
+  DataView.prototype.getUint16 = makeGetter(exports.Uint16Array);
+  DataView.prototype.getInt16 = makeGetter(exports.Int16Array);
+  DataView.prototype.getUint32 = makeGetter(exports.Uint32Array);
+  DataView.prototype.getInt32 = makeGetter(exports.Int32Array);
+  DataView.prototype.getFloat32 = makeGetter(exports.Float32Array);
+  DataView.prototype.getFloat64 = makeGetter(exports.Float64Array);
+
+  function makeSetter(arrayType) {
+    return function(byteOffset, value, littleEndian) {
+
+      byteOffset = ECMAScript.ToUint32(byteOffset);
+      if (byteOffset + arrayType.BYTES_PER_ELEMENT > this.byteLength) {
+        throw new RangeError("Array index out of range");
+      }
+
+      // Get bytes
+      var typeArray = new arrayType([value]),
+          byteArray = new exports.Uint8Array(typeArray.buffer),
+          bytes = [], i, byteView;
+
+      for (i = 0; i < arrayType.BYTES_PER_ELEMENT; i += 1) {
+        bytes.push(r(byteArray, i));
+      }
+
+      // Flip if necessary
+      if (Boolean(littleEndian) === Boolean(IS_BIG_ENDIAN)) {
+        bytes.reverse();
+      }
+
+      // Write them
+      byteView = new exports.Uint8Array(this.buffer, byteOffset, arrayType.BYTES_PER_ELEMENT);
+      byteView.set(bytes);
+    };
+  }
+
+  DataView.prototype.setUint8 = makeSetter(exports.Uint8Array);
+  DataView.prototype.setInt8 = makeSetter(exports.Int8Array);
+  DataView.prototype.setUint16 = makeSetter(exports.Uint16Array);
+  DataView.prototype.setInt16 = makeSetter(exports.Int16Array);
+  DataView.prototype.setUint32 = makeSetter(exports.Uint32Array);
+  DataView.prototype.setInt32 = makeSetter(exports.Int32Array);
+  DataView.prototype.setFloat32 = makeSetter(exports.Float32Array);
+  DataView.prototype.setFloat64 = makeSetter(exports.Float64Array);
+
+  exports.DataView = exports.DataView || DataView;
+
+}());

+{
+  "_from": "typedarray@^0.0.6",
+  "_id": "typedarray@0.0.6",
+  "_inBundle": false,
+  "_integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
+  "_location": "/typedarray",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "typedarray@^0.0.6",
+    "name": "typedarray",
+    "escapedName": "typedarray",
+    "rawSpec": "^0.0.6",
+    "saveSpec": null,
+    "fetchSpec": "^0.0.6"
+  },
+  "_requiredBy": [
+    "/concat-stream"
+  ],
+  "_resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+  "_shasum": "867ac74e3864187b1d3d47d996a78ec5c8830777",
+  "_spec": "typedarray@^0.0.6",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\concat-stream",
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "bugs": {
+    "url": "https://github.com/substack/typedarray/issues"
+  },
+  "bundleDependencies": false,
+  "deprecated": false,
+  "description": "TypedArray polyfill for old browsers",
+  "devDependencies": {
+    "tape": "~2.3.2"
+  },
+  "homepage": "https://github.com/substack/typedarray",
+  "keywords": [
+    "ArrayBuffer",
+    "DataView",
+    "Float32Array",
+    "Float64Array",
+    "Int8Array",
+    "Int16Array",
+    "Int32Array",
+    "Uint8Array",
+    "Uint8ClampedArray",
+    "Uint16Array",
+    "Uint32Array",
+    "typed",
+    "array",
+    "polyfill"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "name": "typedarray",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/substack/typedarray.git"
+  },
+  "scripts": {
+    "test": "tape test/*.js test/server/*.js"
+  },
+  "testling": {
+    "files": "test/*.js",
+    "browsers": [
+      "ie/6..latest",
+      "firefox/16..latest",
+      "firefox/nightly",
+      "chrome/22..latest",
+      "chrome/canary",
+      "opera/12..latest",
+      "opera/next",
+      "safari/5.1..latest",
+      "ipad/6.0..latest",
+      "iphone/6.0..latest",
+      "android-browser/4.2..latest"
+    ]
+  },
+  "version": "0.0.6"
+}

+# typedarray
+
+TypedArray polyfill ripped from [this
+module](https://raw.github.com/inexorabletash/polyfill).
+
+[![build status](https://secure.travis-ci.org/substack/typedarray.png)](http://travis-ci.org/substack/typedarray)
+
+[![testling badge](https://ci.testling.com/substack/typedarray.png)](https://ci.testling.com/substack/typedarray)
+
+# example
+
+``` js
+var Uint8Array = require('typedarray').Uint8Array;
+var ua = new Uint8Array(5);
+ua[1] = 256 + 55;
+console.log(ua[1]);
+```
+
+output:
+
+```
+55
+```
+
+# methods
+
+``` js
+var TA = require('typedarray')
+```
+
+The `TA` object has the following constructors:
+
+* TA.ArrayBuffer
+* TA.DataView
+* TA.Float32Array
+* TA.Float64Array
+* TA.Int8Array
+* TA.Int16Array
+* TA.Int32Array
+* TA.Uint8Array
+* TA.Uint8ClampedArray
+* TA.Uint16Array
+* TA.Uint32Array
+
+# install
+
+With [npm](https://npmjs.org) do:
+
+```
+npm install typedarray
+```
+
+To use this module in the browser, compile with
+[browserify](http://browserify.org)
+or download a UMD build from browserify CDN:
+
+http://wzrd.in/standalone/typedarray@latest
+
+# license
+
+MIT

+var test = require('tape');
+var vm = require('vm');
+var fs = require('fs');
+var src = fs.readFileSync(__dirname + '/../../index.js', 'utf8');
+
+test('u8a without globals', function (t) {
+    var c = {
+        module: { exports: {} },
+    };
+    c.exports = c.module.exports;
+    vm.runInNewContext(src, c);
+    var TA = c.module.exports;
+    var ua = new(TA.Uint8Array)(5);
+    
+    t.equal(ua.length, 5);
+    ua[1] = 256 + 55;
+    t.equal(ua[1], 55);
+    t.end();
+});

+var TA = require('../');
+var test = require('tape');
+
+test('tiny u8a test', function (t) {
+    var ua = new(TA.Uint8Array)(5);
+    t.equal(ua.length, 5);
+    ua[1] = 256 + 55;
+    t.equal(ua[1], 55);
+    t.end();
+});

 {
 {
-  "_from": "util-deprecate@^1.0.1",
+  "_from": "util-deprecate@~1.0.1",
   "_id": "util-deprecate@1.0.2",
   "_id": "util-deprecate@1.0.2",
   "_inBundle": false,
   "_inBundle": false,
   "_integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
   "_integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
@@ -8,20 +8,20 @@
   "_requested": {
   "_requested": {
     "type": "range",
     "type": "range",
     "registry": true,
     "registry": true,
-    "raw": "util-deprecate@^1.0.1",
+    "raw": "util-deprecate@~1.0.1",
     "name": "util-deprecate",
     "name": "util-deprecate",
     "escapedName": "util-deprecate",
     "escapedName": "util-deprecate",
-    "rawSpec": "^1.0.1",
+    "rawSpec": "~1.0.1",
     "saveSpec": null,
     "saveSpec": null,
-    "fetchSpec": "^1.0.1"
+    "fetchSpec": "~1.0.1"
   },
   },
   "_requiredBy": [
   "_requiredBy": [
-    "/readable-stream"
+    "/concat-stream/readable-stream"
   ],
   ],
   "_resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
   "_resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
   "_shasum": "450d4dc9fa70de732762fbd2d4a28981419a0ccf",
   "_shasum": "450d4dc9fa70de732762fbd2d4a28981419a0ccf",
-  "_spec": "util-deprecate@^1.0.1",
-  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\readable-stream",
+  "_spec": "util-deprecate@~1.0.1",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\concat-stream\\node_modules\\readable-stream",
   "author": {
   "author": {
     "name": "Nathan Rajlich",
     "name": "Nathan Rajlich",
     "email": "nathan@tootallnate.net",
     "email": "nathan@tootallnate.net",

+{
+    "maxdepth": 4,
+    "maxstatements": 200,
+    "maxcomplexity": 12,
+    "maxlen": 80,
+    "maxparams": 5,
+
+    "curly": true,
+    "eqeqeq": true,
+    "immed": true,
+    "latedef": false,
+    "noarg": true,
+    "noempty": true,
+    "nonew": true,
+    "undef": true,
+    "unused": "vars",
+    "trailing": true,
+
+    "quotmark": true,
+    "expr": true,
+    "asi": true,
+
+    "browser": false,
+    "esnext": true,
+    "devel": false,
+    "node": false,
+    "nonstandard": false,
+
+    "predef": ["require", "module", "__dirname", "__filename"]
+}

+The MIT License (MIT)
+Copyright (c) 2012-2014 Raynos.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

+# xtend
+
+[![browser support][3]][4]
+
+[![locked](http://badges.github.io/stability-badges/dist/locked.svg)](http://github.com/badges/stability-badges)
+
+Extend like a boss
+
+xtend is a basic utility library which allows you to extend an object by appending all of the properties from each object in a list. When there are identical properties, the right-most property takes precedence.
+
+## Examples
+
+```js
+var extend = require("xtend")
+
+// extend returns a new object. Does not mutate arguments
+var combination = extend({
+    a: "a",
+    b: "c"
+}, {
+    b: "b"
+})
+// { a: "a", b: "b" }
+```
+
+## Stability status: Locked
+
+## MIT Licensed 
+
+
+  [3]: http://ci.testling.com/Raynos/xtend.png
+  [4]: http://ci.testling.com/Raynos/xtend

+module.exports = extend
+
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+function extend() {
+    var target = {}
+
+    for (var i = 0; i < arguments.length; i++) {
+        var source = arguments[i]
+
+        for (var key in source) {
+            if (hasOwnProperty.call(source, key)) {
+                target[key] = source[key]
+            }
+        }
+    }
+
+    return target
+}

+module.exports = extend
+
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+function extend(target) {
+    for (var i = 1; i < arguments.length; i++) {
+        var source = arguments[i]
+
+        for (var key in source) {
+            if (hasOwnProperty.call(source, key)) {
+                target[key] = source[key]
+            }
+        }
+    }
+
+    return target
+}

+{
+  "_from": "xtend@^4.0.0",
+  "_id": "xtend@4.0.2",
+  "_inBundle": false,
+  "_integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
+  "_location": "/xtend",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "xtend@^4.0.0",
+    "name": "xtend",
+    "escapedName": "xtend",
+    "rawSpec": "^4.0.0",
+    "saveSpec": null,
+    "fetchSpec": "^4.0.0"
+  },
+  "_requiredBy": [
+    "/multer"
+  ],
+  "_resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
+  "_shasum": "bb72779f5fa465186b1f438f674fa347fdb5db54",
+  "_spec": "xtend@^4.0.0",
+  "_where": "C:\\Users\\1000c\\이것저것\\옾소\\Voicoding\\node_modules\\multer",
+  "author": {
+    "name": "Raynos",
+    "email": "raynos2@gmail.com"
+  },
+  "bugs": {
+    "url": "https://github.com/Raynos/xtend/issues",
+    "email": "raynos2@gmail.com"
+  },
+  "bundleDependencies": false,
+  "contributors": [
+    {
+      "name": "Jake Verbaten"
+    },
+    {
+      "name": "Matt Esch"
+    }
+  ],
+  "dependencies": {},
+  "deprecated": false,
+  "description": "extend like a boss",
+  "devDependencies": {
+    "tape": "~1.1.0"
+  },
+  "engines": {
+    "node": ">=0.4"
+  },
+  "homepage": "https://github.com/Raynos/xtend",
+  "keywords": [
+    "extend",
+    "merge",
+    "options",
+    "opts",
+    "object",
+    "array"
+  ],
+  "license": "MIT",
+  "main": "immutable",
+  "name": "xtend",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/Raynos/xtend.git"
+  },
+  "scripts": {
+    "test": "node test"
+  },
+  "testling": {
+    "files": "test.js",
+    "browsers": [
+      "ie/7..latest",
+      "firefox/16..latest",
+      "firefox/nightly",
+      "chrome/22..latest",
+      "chrome/canary",
+      "opera/12..latest",
+      "opera/next",
+      "safari/5.1..latest",
+      "ipad/6.0..latest",
+      "iphone/6.0..latest"
+    ]
+  },
+  "version": "4.0.2"
+}

+var test = require("tape")
+var extend = require("./")
+var mutableExtend = require("./mutable")
+
+test("merge", function(assert) {
+    var a = { a: "foo" }
+    var b = { b: "bar" }
+
+    assert.deepEqual(extend(a, b), { a: "foo", b: "bar" })
+    assert.end()
+})
+
+test("replace", function(assert) {
+    var a = { a: "foo" }
+    var b = { a: "bar" }
+
+    assert.deepEqual(extend(a, b), { a: "bar" })
+    assert.end()
+})
+
+test("undefined", function(assert) {
+    var a = { a: undefined }
+    var b = { b: "foo" }
+
+    assert.deepEqual(extend(a, b), { a: undefined, b: "foo" })
+    assert.deepEqual(extend(b, a), { a: undefined, b: "foo" })
+    assert.end()
+})
+
+test("handle 0", function(assert) {
+    var a = { a: "default" }
+    var b = { a: 0 }
+
+    assert.deepEqual(extend(a, b), { a: 0 })
+    assert.deepEqual(extend(b, a), { a: "default" })
+    assert.end()
+})
+
+test("is immutable", function (assert) {
+    var record = {}
+
+    extend(record, { foo: "bar" })
+    assert.equal(record.foo, undefined)
+    assert.end()
+})
+
+test("null as argument", function (assert) {
+    var a = { foo: "bar" }
+    var b = null
+    var c = void 0
+
+    assert.deepEqual(extend(b, a, c), { foo: "bar" })
+    assert.end()
+})
+
+test("mutable", function (assert) {
+    var a = { foo: "bar" }
+
+    mutableExtend(a, { bar: "baz" })
+
+    assert.equal(a.bar, "baz")
+    assert.end()
+})
+
+test("null prototype", function(assert) {
+    var a = { a: "foo" }
+    var b = Object.create(null)
+    b.b = "bar";
+
+    assert.deepEqual(extend(a, b), { a: "foo", b: "bar" })
+    assert.end()
+})
+
+test("null prototype mutable", function (assert) {
+    var a = { foo: "bar" }
+    var b = Object.create(null)
+    b.bar = "baz";
+
+    mutableExtend(a, b)
+
+    assert.equal(a.bar, "baz")
+    assert.end()
+})
+
+test("prototype pollution", function (assert) {
+    var a = {}
+    var maliciousPayload = '{"__proto__":{"oops":"It works!"}}'
+
+    assert.strictEqual(a.oops, undefined)
+    extend({}, maliciousPayload)
+    assert.strictEqual(a.oops, undefined)
+    assert.end()
+})
+
+test("prototype pollution mutable", function (assert) {
+    var a = {}
+    var maliciousPayload = '{"__proto__":{"oops":"It works!"}}'
+
+    assert.strictEqual(a.oops, undefined)
+    mutableExtend({}, maliciousPayload)
+    assert.strictEqual(a.oops, undefined)
+    assert.end()
+})

@@ -135,9 +135,9 @@
       "integrity": "sha512-5tXH6Bx/kNGd3MgffdmP4dy2Z+G4eaXw0SE81Tq3BNadtnMR5/ySMzX4SLEzHJzSmPNn4HIdpQsBvXMUykr58w=="
       "integrity": "sha512-5tXH6Bx/kNGd3MgffdmP4dy2Z+G4eaXw0SE81Tq3BNadtnMR5/ySMzX4SLEzHJzSmPNn4HIdpQsBvXMUykr58w=="
     },
     },
     "@types/node": {
     "@types/node": {
-      "version": "15.6.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-15.6.0.tgz",
-      "integrity": "sha512-gCYSfQpy+LYhOFTKAeE8BkyGqaxmlFxe+n4DKM6DR0wzw/HISUE/hAmkC/KT8Sw5PCJblqg062b3z9gucv3k0A=="
+      "version": "15.6.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-15.6.2.tgz",
+      "integrity": "sha512-dxcOx8801kMo3KlU+C+/ctWrzREAH7YvoF3aoVpRdqgs+Kf7flp+PJDN/EX5bME3suDUZHsxes9hpvBmzYlWbA=="
     },
     },
     "@types/pumpify": {
     "@types/pumpify": {
       "version": "1.4.1",
       "version": "1.4.1",
@@ -186,6 +186,11 @@
         "color-convert": "^2.0.1"
         "color-convert": "^2.0.1"
       }
       }
     },
     },
+    "append-field": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/append-field/-/append-field-1.0.0.tgz",
+      "integrity": "sha1-HjRA6RXwsSA9I3SOeO3XubW0PlY="
+    },
     "array-flatten": {
     "array-flatten": {
       "version": "1.1.1",
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
@@ -243,6 +248,20 @@
       "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
       "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
       "integrity": "sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk="
       "integrity": "sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk="
     },
     },
+    "buffer-from": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
+      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A=="
+    },
+    "busboy": {
+      "version": "0.2.14",
+      "resolved": "https://registry.npmjs.org/busboy/-/busboy-0.2.14.tgz",
+      "integrity": "sha1-bCpiLvz0fFe7vh4qnDetNseSVFM=",
+      "requires": {
+        "dicer": "0.2.5",
+        "readable-stream": "1.1.x"
+      }
+    },
     "bytes": {
     "bytes": {
       "version": "3.1.0",
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
@@ -271,6 +290,46 @@
       "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
       "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
       "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
       "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
     },
     },
+    "concat-stream": {
+      "version": "1.6.2",
+      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
+      "integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
+      "requires": {
+        "buffer-from": "^1.0.0",
+        "inherits": "^2.0.3",
+        "readable-stream": "^2.2.2",
+        "typedarray": "^0.0.6"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+        },
+        "readable-stream": {
+          "version": "2.3.7",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+          "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
+          }
+        },
+        "string_decoder": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+          "requires": {
+            "safe-buffer": "~5.1.0"
+          }
+        }
+      }
+    },
     "content-disposition": {
     "content-disposition": {
       "version": "0.5.3",
       "version": "0.5.3",
       "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.3.tgz",
       "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.3.tgz",
@@ -301,6 +360,11 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
     },
+    "core-util-is": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
+    },
     "debug": {
     "debug": {
       "version": "4.3.1",
       "version": "4.3.1",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
@@ -319,6 +383,15 @@
       "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
       "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
       "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
       "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
     },
     },
+    "dicer": {
+      "version": "0.2.5",
+      "resolved": "https://registry.npmjs.org/dicer/-/dicer-0.2.5.tgz",
+      "integrity": "sha1-WZbAhrszIYyBLAkL3cCc0S+stw8=",
+      "requires": {
+        "readable-stream": "1.1.x",
+        "streamsearch": "0.1.2"
+      }
+    },
     "duplexify": {
     "duplexify": {
       "version": "4.1.1",
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/duplexify/-/duplexify-4.1.1.tgz",
       "resolved": "https://registry.npmjs.org/duplexify/-/duplexify-4.1.1.tgz",
@@ -328,6 +401,31 @@
         "inherits": "^2.0.3",
         "inherits": "^2.0.3",
         "readable-stream": "^3.1.1",
         "readable-stream": "^3.1.1",
         "stream-shift": "^1.0.0"
         "stream-shift": "^1.0.0"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        },
+        "safe-buffer": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+          "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
+        },
+        "string_decoder": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+          "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+          "requires": {
+            "safe-buffer": "~5.2.0"
+          }
+        }
       }
       }
     },
     },
     "ecdsa-sig-formatter": {
     "ecdsa-sig-formatter": {
@@ -492,10 +590,15 @@
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
       "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
       "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
     },
     },
+    "fs": {
+      "version": "0.0.1-security",
+      "resolved": "https://registry.npmjs.org/fs/-/fs-0.0.1-security.tgz",
+      "integrity": "sha1-invTcYa23d84E/I4WLV+yq9eQdQ="
+    },
     "gaxios": {
     "gaxios": {
-      "version": "4.2.1",
-      "resolved": "https://registry.npmjs.org/gaxios/-/gaxios-4.2.1.tgz",
-      "integrity": "sha512-s+rTywpw6CmfB8r9TXYkpix7YFeuRjnR/AqhaJrQqsNhsAqej+IAiCc3hadzQH3gHyWth30tvYjxH8EVjQt/8Q==",
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/gaxios/-/gaxios-4.3.0.tgz",
+      "integrity": "sha512-pHplNbslpwCLMyII/lHPWFQbJWOX0B3R1hwBEOvzYi1GmdKZruuEHK4N9V6f7tf1EaPYyF80mui1+344p6SmLg==",
       "requires": {
       "requires": {
         "abort-controller": "^3.0.0",
         "abort-controller": "^3.0.0",
         "extend": "^3.0.2",
         "extend": "^3.0.2",
@@ -519,9 +622,9 @@
       "integrity": "sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg=="
       "integrity": "sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg=="
     },
     },
     "google-auth-library": {
     "google-auth-library": {
-      "version": "7.0.4",
-      "resolved": "https://registry.npmjs.org/google-auth-library/-/google-auth-library-7.0.4.tgz",
-      "integrity": "sha512-o8irYyeijEiecTXeoEe8UKNEzV1X+uhR4b2oNdapDMZixypp0J+eHimGOyx5Joa3UAeokGngdtDLXtq9vDqG2Q==",
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/google-auth-library/-/google-auth-library-7.1.0.tgz",
+      "integrity": "sha512-X+gbkGjnLN3HUZP2W3KBREuA603BXd80ITvL0PeS0QpyDNYz/u0pIZ7aRuGnrSuUc0grk/qxEgtVTFt1ogbP+A==",
       "requires": {
       "requires": {
         "arrify": "^2.0.0",
         "arrify": "^2.0.0",
         "base64-js": "^1.3.0",
         "base64-js": "^1.3.0",
@@ -535,9 +638,9 @@
       }
       }
     },
     },
     "google-gax": {
     "google-gax": {
-      "version": "2.13.0",
-      "resolved": "https://registry.npmjs.org/google-gax/-/google-gax-2.13.0.tgz",
-      "integrity": "sha512-aKNJy2+Vv2I7flyNYbwpq0aYBHp6Qv32HZn+wr6ZhZ8xlSCLS9K9k7izfh2nd1rCJQcsqB6KMxHV0Vwny6Rc1g==",
+      "version": "2.14.1",
+      "resolved": "https://registry.npmjs.org/google-gax/-/google-gax-2.14.1.tgz",
+      "integrity": "sha512-I5RDEN7MEptrCxeHX3ht7nKFGfyjgYX4hQKI9eVMBohMzVbFSwWUndo0CcKXu8es7NhB4gt2XYLm1AHkXhtHpA==",
       "requires": {
       "requires": {
         "@grpc/grpc-js": "~1.3.0",
         "@grpc/grpc-js": "~1.3.0",
         "@grpc/proto-loader": "^0.6.1",
         "@grpc/proto-loader": "^0.6.1",
@@ -642,6 +745,11 @@
       "resolved": "https://registry.npmjs.org/is-stream-ended/-/is-stream-ended-0.1.4.tgz",
       "resolved": "https://registry.npmjs.org/is-stream-ended/-/is-stream-ended-0.1.4.tgz",
       "integrity": "sha512-xj0XPvmr7bQFTvirqnFr50o0hQIh6ZItDqloxt5aJrR4NQsYeSsyFQERYGCAzfindAcnKjINnwEEgLx4IqVzQw=="
       "integrity": "sha512-xj0XPvmr7bQFTvirqnFr50o0hQIh6ZItDqloxt5aJrR4NQsYeSsyFQERYGCAzfindAcnKjINnwEEgLx4IqVzQw=="
     },
     },
+    "isarray": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+      "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
+    },
     "json-bigint": {
     "json-bigint": {
       "version": "1.0.0",
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/json-bigint/-/json-bigint-1.0.0.tgz",
       "resolved": "https://registry.npmjs.org/json-bigint/-/json-bigint-1.0.0.tgz",
@@ -720,11 +828,39 @@
         "mime-db": "1.47.0"
         "mime-db": "1.47.0"
       }
       }
     },
     },
+    "minimist": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
+    },
+    "mkdirp": {
+      "version": "0.5.5",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
+      "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
+      "requires": {
+        "minimist": "^1.2.5"
+      }
+    },
     "ms": {
     "ms": {
       "version": "2.1.2",
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
     },
     },
+    "multer": {
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/multer/-/multer-1.4.2.tgz",
+      "integrity": "sha512-xY8pX7V+ybyUpbYMxtjM9KAiD9ixtg5/JkeKUTD6xilfDv0vzzOFcCp4Ljb1UU3tSOM3VTZtKo63OmzOrGi3Cg==",
+      "requires": {
+        "append-field": "^1.0.0",
+        "busboy": "^0.2.11",
+        "concat-stream": "^1.5.2",
+        "mkdirp": "^0.5.1",
+        "object-assign": "^4.1.1",
+        "on-finished": "^2.3.0",
+        "type-is": "^1.6.4",
+        "xtend": "^4.0.0"
+      }
+    },
     "negotiator": {
     "negotiator": {
       "version": "0.6.2",
       "version": "0.6.2",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz",
@@ -763,10 +899,15 @@
         }
         }
       }
       }
     },
     },
+    "object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
+    },
     "object-hash": {
     "object-hash": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/object-hash/-/object-hash-2.1.1.tgz",
-      "integrity": "sha512-VOJmgmS+7wvXf8CjbQmimtCnEx3IAoLxI3fp2fbWehxrWBcAQFbk+vcwb6vzR0VZv/eNCJ/27j151ZTwqW/JeQ=="
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/object-hash/-/object-hash-2.2.0.tgz",
+      "integrity": "sha512-gScRMn0bS5fH+IuwyIFgnh9zBdo4DV+6GhygmWM9HyNJSgS0hScp1f5vjtm7oIIOiT9trXrShAkLFSc2IqKNgw=="
     },
     },
     "on-finished": {
     "on-finished": {
       "version": "2.3.0",
       "version": "2.3.0",
@@ -794,6 +935,11 @@
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