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902c27c6 2 parents 6c396866 5eb0acd8

Merge branch 'useAsync'

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Showing 138 changed files with 4417 additions and 244 deletions
......@@ -3,8 +3,10 @@
var express = require('express');
var http = require('http');
var bodyParser = require('body-parser');
var singer = require('./content')
var app = express(); // express 객체 저장
var webcrawl = require('./crawling/Reol');
var async = require('async');
var singer;
//body-parser 미들웨어 사용
app.use(bodyParser.urlencoded({extended: false}));
......@@ -19,50 +21,180 @@ app.get('/keyboard', function(req,res){
});
//9090포트로 서버 접속
//8080포트로 서버 접속
http.createServer(app).listen(8080, () => {
console.log('Server running..');
});
// http://서버주소/message
app.post('/message', function(req,res){
//유저가 입력한 데이터
var msg = req.body.content;
console.log('전달받은 메시지 : ' + msg);
var send = {};
var task = [
function(callback){
switch(msg){
case 'Reol-Discography' :
singer = 'Reol'
webcrawl.crawl_Reol('https://namu.wiki/w/%EB%A0%88%EC%98%A4%EB%A3%A8/%EC%9D%8C%EB%B0%98#toc',function(Reol){
callback(null,Reol);
})
break;
default:
if(singer == 'Reol'){
webcrawl.crawl_Reol('https://namu.wiki/w/%EB%A0%88%EC%98%A4%EB%A3%A8/%EC%9D%8C%EB%B0%98#toc',function(Reol){
callback(null,Reol);
})
}
else if(singer == "Yonezu"){
switch(msg){
case '일본' :
send = {
'message' : {
'text' : '등록된 가수 목록입니다.'
},
keyboard : {
'type' : 'buttons',
'buttons' : ['Reol', '米津玄師', 'yanaginagi', 'ヨルシカ', 'ダズビ', 'Polkadot Stingray', 'Aimyong']
}
}
else
callback(null,null);
break;
}
},
function(discography, callback){
var index = parseInt(msg[0])-1;
switch (msg) {
case '일본':
send = {
'message': {
'text': '등록된 가수 목록입니다.'
},
keyboard: {
'type': 'buttons',
'buttons': ['Reol', '米津玄師', 'ヨルシカ']
}
};
break;
case '한국' :
send = {
'message' : {
'text' : '등록된 가수 목록입니다.'
},
keyboard : {
'type' : 'buttons',
'buttons' : ['볼빨간 사춘기', 'MOT', 'Gukkasten', 'ZICO', 'DEAN', 'IU', 'Heize']
}
};
break;
default:
send = singer.jpSinger(msg);
if(send == '')
send = singer.krSinger(msg);
break;
}
console.log(send);
res.json(send);
})
\ No newline at end of file
};
break;
case '한국':
send = {
'message': {
'text': '등록된 가수 목록입니다.'
},
keyboard: {
'type': 'buttons',
'buttons': ['MOT', 'Gukkasten', 'ZICO']
}
};
break;
// ---------- contents -------------- //
///// Reol ////
case 'Reol' :
send = {
'message' : {
'text' : '이름 : Reol(れをる) \n성별 : 여성 \n생년월일 : 1993년 11월 9일 \n혈액형 : AB형',
'photo' : {
'url' : 'https://www.reol.jp/images/profile/reol_Aphoto_2.png',
'width' : 1000,
'height' : 667
},
'message_button' : {
'label' : '공식 홈페이지',
'url' : "https://www.reol.jp/"
}
},
keyboard : {
'type' : 'buttons',
'buttons' : ['Reol-Discography']
}
};
break;
case 'Reol-Discography' :
send = {
'message': {
'text': '앨범 목록입니다.'
},
keyboard: {
'type': 'buttons',
'buttons': discography[0].json_album
}
}
break;
case discography[0].json_album[index]:
var album = '앨범 : ' + discography[0].json_album[index].substr(3);
if(singer == 'Reol'){
send = {
'message' : {
'text' : album + '\n발매년도 : ' + discography[0].json_year[index] + '\n수록곡 : \n' + discography[0].json_track[index]
},
keyboard : {
'type' : 'buttons',
'buttons' : ['Reol-Discography', '초기화면']
}
}
}
else if(singer == 'Yonezu'){
send = {
'message' : {
'text' : album + '\n발매년도 : ' + discography[0].json_year[index] + '\n수록곡 : \n' + discography[0].json_track[index]
},
keyboard : {
'type' : 'buttons',
'buttons' : ['米津玄師-Discography', '초기화면']
}
}
}
break;
/// 米津玄師 ///
case '米津玄師' :
send = {
'message' : {
'text' : '이름 : 米津玄師(Yonezu Kenshi) \n 성별 : 남성 \n생년월일 : 1991년 3월 10일 \n혈액형 : O형',
'photo' : {
'url' : 'http://reissuerecords.net/rr/wp-content/uploads/flamingo_photo2.jpg',
'width' : 1000,
'height' : 667
},
'message_button' : {
'label' : '공식 홈페이지',
'url' : "http://reissuerecords.net/"
}
},
keyboard : {
'type' : 'buttons',
'buttons' : ['米津玄師-Discography']
}
};
break;
case '米津玄師-Discography' :
send = {
'message' : {
'text' : 'Album List'
},
keyboard : {
'type' : 'buttons',
'buttons' : ['Reol', '米津玄師', 'yanaginagi', 'ヨルシカ', 'ダズビ', 'Polkadot Stingray', 'Aimyong']
}
};
break;
case '초기화면' :
send = {
'message' : {
'text' : '초기화면으로 돌아갑니다.'
},
keyboard : {
'type' : 'buttons',
'buttons' : ['한국', '일본']
}
}
break;
default:
break;
}
callback(null ,send);
}
];
async.waterfall(task, function(err,result){
console.log(send);
res.json(send);
});
});
\ No newline at end of file
......
var webcrawl = require('./crawling/Reol')
function jpSinger(msg, discography){
var discography;
var send = {};
function delay(discography){
switch(msg){
case 'Reol' :
send = {
'message' : {
'text' : '이름 : Reol(れをる) \n성별 : 여성 \n생년월일 : 1993년 11월 9일 \n혈액형 : AB형',
'photo' : {
'url' : 'https://www.reol.jp/images/profile/reol_Aphoto_2.png',
'width' : 1000,
'height' : 667
},
'message_button' : {
'label' : '공식 홈페이지',
'url' : "https://www.reol.jp/"
}
},
keyboard : {
'type' : 'buttons',
'buttons' : ['Reol-Discography']
}
};
break;
case 'Reol-Discography' :
console.log(discography);
send = {
'message': {
'text': '앨범 목록입니다.'
},
keyboard: {
'type': 'buttons',
'buttons': ['a']
}
}
break;
case '米津玄師' :
send = {
'message' : {
'text' : '이름 : 米津玄師(Yonezu Kenshi) \n 성별 : 남성 \n생년월일 : 1991년 3월 10일 \n혈액형 : O형',
'photo' : {
'url' : 'http://reissuerecords.net/rr/wp-content/uploads/flamingo_photo2.jpg',
'width' : 1000,
'height' : 667
},
'message_button' : {
'label' : '공식 홈페이지',
'url' : "http://reissuerecords.net/"
}
},
keyboard : {
'type' : 'buttons',
'buttons' : ['米津玄師-Discography']
}
};
break;
case '米津玄師-Discography' :
send = {
'message' : {
'text' : 'Album List'
},
keyboard : {
'type' : 'buttons',
'buttons' : ['Reol', '米津玄師', 'yanaginagi', 'ヨルシカ', 'ダズビ', 'Polkadot Stingray', 'Aimyong']
}
};
break;
default:
break;
}
}
webcrawl.crawl_Reol('https://namu.wiki/w/%EB%A0%88%EC%98%A4%EB%A3%A8/%EC%9D%8C%EB%B0%98#toc').then(function(Result){
discography = Result;
}).catch(function(err){
console.error(err);
}).then(function(){
console.log(discography);
delay(discography);
});
return send;
}
function krSinger(msg){
var send = {};
switch(msg){
case '볼빨간사춘기' :
send = {
'message' : {
'text' : 'Reol',
'photo' : {
'url' : 'https://www.reol.jp/images/profile/reol_Aphoto_2.png',
'width' : 1000,
'height' : 667
},
'message_button' : {
'label' : '공식 홈페이지',
'url' : "https://www.reol.jp/"
},
},
keyboard : {
'type' : 'buttons',
'buttons' : ['Reol-Discography', 'Reol-Profile']
}
};
break;
case 'Reol-Discography' :
send = {
'message' : {
'text' : 'Album List.'
},
keyboard : {
'type' : 'buttons',
'buttons' : ['Reol', '米津玄師', 'yanaginagi', 'ヨルシカ', 'ダズビ', 'Polkadot Stingray', 'Aimyong']
}
};
break;
case '米津玄師' :
send = {
'message' : {
'text' : '米津玄師',
'photo' : {
'url' : 'https://www.reol.jp/images/profile/reol_Aphoto_2.png',
'width' : 1000,
'height' : 667
},
'message_button' : {
'label' : '공식 홈페이지',
'url' : "https://www.reol.jp/"
}
},
keyboard : {
'type' : 'buttons',
'buttons' : ['Reol-Discography','Reol-Profile']
}
};
break;
default:
send = {
'message' : {
'text' : '등록되지 않은 가수입니다.'
},
keyboard : {
'type' : 'buttons',
'buttons' : ['한국', '일본']
}
}
break;
}
return send;
}
exports.jpSinger = jpSinger;
exports.krSinger = krSinger;
\ No newline at end of file
//Reol 나무위키 앨범 발매년도 트랙 크롤링
var request = require('request');
var cheerio = require('cheerio');
function crawl_Reol(url){
return new Promise(function(resolve, reject){
request(url, function (err, res, body) {
const $ = cheerio.load(body);
var Reol = new Array();
var album, year
var album_track = new Array();
var json_album = new Array(), json_year = new Array(), json_track = new Array();
$('body > div.content-wrapper > article > div.wiki-content.clearfix > div').each(function (index, ele) {
for (var i = 1; i <= $('.toc-item').length; i++) {
album = $(this).find('#toc > div > div:nth-child(2) > span:nth-child(' + i + ')').text() //앨범 정보 가져오기
if (album != '') {
json_album.push(album.substr(2));
}
var index = 7 + (i * 2); //트랙, 연도 가져오기 인덱스 변수
if (index != 25) { //규칙성이 어긋나는 부분을 예외처리를 위해 if문
//year 가져오기
year = $('body > div.content-wrapper > article > div.wiki-content.clearfix > div > div:nth-child(' + index + ') > div:nth-child(3) > table > tbody > tr:nth-child(1) > td:nth-child(2)').text();
//track 가져오기
$('body > div.content-wrapper > article > div.wiki-content.clearfix > div > div:nth-child(' + index + ') > div:nth-child(3) > table > tbody').find('tr').each(function (index, ele) {
var track = $(this).children().eq(1).text();
if (track != '1' && track != '곡명' && track[4] != '년')
album_track.push(track)
});
}
else {
year = $('body > div.content-wrapper > article > div.wiki-content.clearfix > div > div:nth-child(' + index + ') > div:nth-child(4) > table > tbody > tr:nth-child(1) > td:nth-child(2)').text();
$('body > div.content-wrapper > article > div.wiki-content.clearfix > div > div:nth-child(' + index + ') > div:nth-child(4) > table > tbody').find('tr').each(function (index, ele) {
var track = $(this).children().eq(1).text();
if (track != '1' && track != '곡명' && track[4] != '년')
album_track.push(track)
});
}
if (year != '') {
json_year.push(year);
json_track.push(album_track);
}
album_track = [];
function crawl_Reol(url,callback){
request(url, function (err, res, body) {
const $ = cheerio.load(body);
var Reol = new Array();
var album, year
var album_track = ''
var json_album = new Array(), json_year = new Array(), json_track = new Array();
$('body > div.content-wrapper > article > div.wiki-content.clearfix > div').each(function (index, ele) {
for (var i = 1; i <= $('.toc-item').length; i++) {
album = $(this).find('#toc > div > div:nth-child(2) > span:nth-child(' + i + ')').text() //앨범 정보 가져오기
if (album != '') {
json_album.push(album.substr(2));
}
var index = 7 + (i * 2); //트랙, 연도 가져오기 인덱스 변수
if (index != 25) { //규칙성이 어긋나는 부분을 예외처리를 위해 if문
//year 가져오기
year = $('body > div.content-wrapper > article > div.wiki-content.clearfix > div > div:nth-child(' + index + ') > div:nth-child(3) > table > tbody > tr:nth-child(1) > td:nth-child(2)').text();
//track 가져오기
var track_num = 0;
$('body > div.content-wrapper > article > div.wiki-content.clearfix > div > div:nth-child(' + index + ') > div:nth-child(3) > table > tbody').find('tr').each(function (index, ele) {
var track = $(this).children().eq(1).text();
if (track != '1' && track != '곡명' && track[4] != '년'){
if(track[track.length-1] == 'M')
track = track.substr(0,track.length-1);
if(track[track.length-1] == ']')
track = track.substr(0,track.length-2);
track_num++;
album_track += track_num+'. '+track + '\n';
}
});
}
});
Reol.push({ json_album, json_year, json_track });
if (Reol) {
resolve(Reol);
else {
year = $('body > div.content-wrapper > article > div.wiki-content.clearfix > div > div:nth-child(' + index + ') > div:nth-child(4) > table > tbody > tr:nth-child(1) > td:nth-child(2)').text();
var track_num = 0;
$('body > div.content-wrapper > article > div.wiki-content.clearfix > div > div:nth-child(' + index + ') > div:nth-child(4) > table > tbody').find('tr').each(function (index, ele) {
var track = $(this).children().eq(1).text();
if (track != '1' && track != '곡명' && track[4] != '년'){
if(track[track.length-1] == 'M')
track = track.substr(0,track.length-1);
if(track[track.length-1] == ']')
track = track.substr(0,track.length-2);
track_num++;
album_track += track_num+'. '+track + '\n';
}
});
}
if (year != '') {
json_year.push(year);
json_track.push(album_track);
}
album_track = [];
}
reject(new Error("Request is failed"));
});
Reol.push({ json_album, json_year, json_track });
callback(Reol);
});
}
exports.crawl_Reol = crawl_Reol;
\ No newline at end of file
exports.crawl_Reol = crawl_Reol;
// promise
// var request = require('request');
// var cheerio = require('cheerio');
// function crawl_Reol(url){
// return new Promise(function(resolve, reject){
// request(url, function (err, res, body) {
// const $ = cheerio.load(body);
// var Reol = new Array();
// var album, year
// var album_track = new Array();
// var json_album = new Array(), json_year = new Array(), json_track = new Array();
// $('body > div.content-wrapper > article > div.wiki-content.clearfix > div').each(function (index, ele) {
// for (var i = 1; i <= $('.toc-item').length; i++) {
// album = $(this).find('#toc > div > div:nth-child(2) > span:nth-child(' + i + ')').text() //앨범 정보 가져오기
// if (album != '') {
// json_album.push(album.substr(2));
// }
// var index = 7 + (i * 2); //트랙, 연도 가져오기 인덱스 변수
// if (index != 25) { //규칙성이 어긋나는 부분을 예외처리를 위해 if문
// //year 가져오기
// year = $('body > div.content-wrapper > article > div.wiki-content.clearfix > div > div:nth-child(' + index + ') > div:nth-child(3) > table > tbody > tr:nth-child(1) > td:nth-child(2)').text();
// //track 가져오기
// $('body > div.content-wrapper > article > div.wiki-content.clearfix > div > div:nth-child(' + index + ') > div:nth-child(3) > table > tbody').find('tr').each(function (index, ele) {
// var track = $(this).children().eq(1).text();
// if (track != '1' && track != '곡명' && track[4] != '년')
// album_track.push(track)
// });
// }
// else {
// year = $('body > div.content-wrapper > article > div.wiki-content.clearfix > div > div:nth-child(' + index + ') > div:nth-child(4) > table > tbody > tr:nth-child(1) > td:nth-child(2)').text();
// $('body > div.content-wrapper > article > div.wiki-content.clearfix > div > div:nth-child(' + index + ') > div:nth-child(4) > table > tbody').find('tr').each(function (index, ele) {
// var track = $(this).children().eq(1).text();
// if (track != '1' && track != '곡명' && track[4] != '년')
// album_track.push(track)
// });
// }
// if (year != '') {
// json_year.push(year);
// json_track.push(album_track);
// }
// album_track = [];
// }
// });
// Reol.push({ json_album, json_year, json_track });
// if (Reol) {
// resolve(Reol);
// }
// reject(new Error("Request is failed"));
// });
// });
// }
// exports.crawl_Reol = crawl_Reol;
\ No newline at end of file
......
This diff is collapsed. Click to expand it.
Copyright (c) 2010-2018 Caolan McMahon
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.
![Async Logo](https://raw.githubusercontent.com/caolan/async/master/logo/async-logo_readme.jpg)
[![Build Status via Travis CI](https://travis-ci.org/caolan/async.svg?branch=master)](https://travis-ci.org/caolan/async)
[![NPM version](https://img.shields.io/npm/v/async.svg)](https://www.npmjs.com/package/async)
[![Coverage Status](https://coveralls.io/repos/caolan/async/badge.svg?branch=master)](https://coveralls.io/r/caolan/async?branch=master)
[![Join the chat at https://gitter.im/caolan/async](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/caolan/async?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
[![libhive - Open source examples](https://www.libhive.com/providers/npm/packages/async/examples/badge.svg)](https://www.libhive.com/providers/npm/packages/async)
[![jsDelivr Hits](https://data.jsdelivr.com/v1/package/npm/async/badge?style=rounded)](https://www.jsdelivr.com/package/npm/async)
Async is a utility module which provides straight-forward, powerful functions for working with [asynchronous JavaScript](http://caolan.github.io/async/global.html). Although originally designed for use with [Node.js](https://nodejs.org/) and installable via `npm install --save async`, it can also be used directly in the browser.
This version of the package is optimized for the Node.js environment. If you use Async with webpack, install [`async-es`](https://www.npmjs.com/package/async-es) instead.
For Documentation, visit <https://caolan.github.io/async/>
*For Async v1.5.x documentation, go [HERE](https://github.com/caolan/async/blob/v1.5.2/README.md)*
```javascript
// for use with Node-style callbacks...
var async = require("async");
var obj = {dev: "/dev.json", test: "/test.json", prod: "/prod.json"};
var configs = {};
async.forEachOf(obj, (value, key, callback) => {
fs.readFile(__dirname + value, "utf8", (err, data) => {
if (err) return callback(err);
try {
configs[key] = JSON.parse(data);
} catch (e) {
return callback(e);
}
callback();
});
}, err => {
if (err) console.error(err.message);
// configs is now a map of JSON data
doSomethingWith(configs);
});
```
```javascript
var async = require("async");
// ...or ES2017 async functions
async.mapLimit(urls, 5, async function(url) {
const response = await fetch(url)
return response.body
}, (err, results) => {
if (err) throw err
// results is now an array of the response bodies
console.log(results)
})
```
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallel = require('./internal/doParallel');
var _doParallel2 = _interopRequireDefault(_doParallel);
var _notId = require('./internal/notId');
var _notId2 = _interopRequireDefault(_notId);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Returns `true` if every element in `coll` satisfies an async test. If any
* iteratee call returns `false`, the main `callback` is immediately called.
*
* @name every
* @static
* @memberOf module:Collections
* @method
* @alias all
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collection in parallel.
* The iteratee must complete with a boolean result value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result will be either `true` or `false`
* depending on the values of the async tests. Invoked with (err, result).
* @example
*
* async.every(['file1','file2','file3'], function(filePath, callback) {
* fs.access(filePath, function(err) {
* callback(null, !err)
* });
* }, function(err, result) {
* // if result is true then every file exists
* });
*/
exports.default = (0, _doParallel2.default)((0, _createTester2.default)(_notId2.default, _notId2.default));
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallelLimit = require('./internal/doParallelLimit');
var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
var _notId = require('./internal/notId');
var _notId2 = _interopRequireDefault(_notId);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`every`]{@link module:Collections.every} but runs a maximum of `limit` async operations at a time.
*
* @name everyLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.every]{@link module:Collections.every}
* @alias allLimit
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collection in parallel.
* The iteratee must complete with a boolean result value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result will be either `true` or `false`
* depending on the values of the async tests. Invoked with (err, result).
*/
exports.default = (0, _doParallelLimit2.default)((0, _createTester2.default)(_notId2.default, _notId2.default));
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _everyLimit = require('./everyLimit');
var _everyLimit2 = _interopRequireDefault(_everyLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`every`]{@link module:Collections.every} but runs only a single async operation at a time.
*
* @name everySeries
* @static
* @memberOf module:Collections
* @method
* @see [async.every]{@link module:Collections.every}
* @alias allSeries
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collection in series.
* The iteratee must complete with a boolean result value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result will be either `true` or `false`
* depending on the values of the async tests. Invoked with (err, result).
*/
exports.default = (0, _doLimit2.default)(_everyLimit2.default, 1);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallel = require('./internal/doParallel');
var _doParallel2 = _interopRequireDefault(_doParallel);
var _identity = require('lodash/identity');
var _identity2 = _interopRequireDefault(_identity);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Returns `true` if at least one element in the `coll` satisfies an async test.
* If any iteratee call returns `true`, the main `callback` is immediately
* called.
*
* @name some
* @static
* @memberOf module:Collections
* @method
* @alias any
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collections in parallel.
* The iteratee should complete with a boolean `result` value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the iteratee functions have finished.
* Result will be either `true` or `false` depending on the values of the async
* tests. Invoked with (err, result).
* @example
*
* async.some(['file1','file2','file3'], function(filePath, callback) {
* fs.access(filePath, function(err) {
* callback(null, !err)
* });
* }, function(err, result) {
* // if result is true then at least one of the files exists
* });
*/
exports.default = (0, _doParallel2.default)((0, _createTester2.default)(Boolean, _identity2.default));
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallelLimit = require('./internal/doParallelLimit');
var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
var _identity = require('lodash/identity');
var _identity2 = _interopRequireDefault(_identity);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`some`]{@link module:Collections.some} but runs a maximum of `limit` async operations at a time.
*
* @name someLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.some]{@link module:Collections.some}
* @alias anyLimit
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collections in parallel.
* The iteratee should complete with a boolean `result` value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the iteratee functions have finished.
* Result will be either `true` or `false` depending on the values of the async
* tests. Invoked with (err, result).
*/
exports.default = (0, _doParallelLimit2.default)((0, _createTester2.default)(Boolean, _identity2.default));
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _someLimit = require('./someLimit');
var _someLimit2 = _interopRequireDefault(_someLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`some`]{@link module:Collections.some} but runs only a single async operation at a time.
*
* @name someSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.some]{@link module:Collections.some}
* @alias anySeries
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collections in series.
* The iteratee should complete with a boolean `result` value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the iteratee functions have finished.
* Result will be either `true` or `false` depending on the values of the async
* tests. Invoked with (err, result).
*/
exports.default = (0, _doLimit2.default)(_someLimit2.default, 1);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (fn /*, ...args*/) {
var args = (0, _slice2.default)(arguments, 1);
return function () /*callArgs*/{
var callArgs = (0, _slice2.default)(arguments);
return fn.apply(null, args.concat(callArgs));
};
};
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
;
/**
* Creates a continuation function with some arguments already applied.
*
* Useful as a shorthand when combined with other control flow functions. Any
* arguments passed to the returned function are added to the arguments
* originally passed to apply.
*
* @name apply
* @static
* @memberOf module:Utils
* @method
* @category Util
* @param {Function} fn - The function you want to eventually apply all
* arguments to. Invokes with (arguments...).
* @param {...*} arguments... - Any number of arguments to automatically apply
* when the continuation is called.
* @returns {Function} the partially-applied function
* @example
*
* // using apply
* async.parallel([
* async.apply(fs.writeFile, 'testfile1', 'test1'),
* async.apply(fs.writeFile, 'testfile2', 'test2')
* ]);
*
*
* // the same process without using apply
* async.parallel([
* function(callback) {
* fs.writeFile('testfile1', 'test1', callback);
* },
* function(callback) {
* fs.writeFile('testfile2', 'test2', callback);
* }
* ]);
*
* // It's possible to pass any number of additional arguments when calling the
* // continuation:
*
* node> var fn = async.apply(sys.puts, 'one');
* node> fn('two', 'three');
* one
* two
* three
*/
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _applyEach = require('./internal/applyEach');
var _applyEach2 = _interopRequireDefault(_applyEach);
var _map = require('./map');
var _map2 = _interopRequireDefault(_map);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Applies the provided arguments to each function in the array, calling
* `callback` after all functions have completed. If you only provide the first
* argument, `fns`, then it will return a function which lets you pass in the
* arguments as if it were a single function call. If more arguments are
* provided, `callback` is required while `args` is still optional.
*
* @name applyEach
* @static
* @memberOf module:ControlFlow
* @method
* @category Control Flow
* @param {Array|Iterable|Object} fns - A collection of {@link AsyncFunction}s
* to all call with the same arguments
* @param {...*} [args] - any number of separate arguments to pass to the
* function.
* @param {Function} [callback] - the final argument should be the callback,
* called when all functions have completed processing.
* @returns {Function} - If only the first argument, `fns`, is provided, it will
* return a function which lets you pass in the arguments as if it were a single
* function call. The signature is `(..args, callback)`. If invoked with any
* arguments, `callback` is required.
* @example
*
* async.applyEach([enableSearch, updateSchema], 'bucket', callback);
*
* // partial application example:
* async.each(
* buckets,
* async.applyEach([enableSearch, updateSchema]),
* callback
* );
*/
exports.default = (0, _applyEach2.default)(_map2.default);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _applyEach = require('./internal/applyEach');
var _applyEach2 = _interopRequireDefault(_applyEach);
var _mapSeries = require('./mapSeries');
var _mapSeries2 = _interopRequireDefault(_mapSeries);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`applyEach`]{@link module:ControlFlow.applyEach} but runs only a single async operation at a time.
*
* @name applyEachSeries
* @static
* @memberOf module:ControlFlow
* @method
* @see [async.applyEach]{@link module:ControlFlow.applyEach}
* @category Control Flow
* @param {Array|Iterable|Object} fns - A collection of {@link AsyncFunction}s to all
* call with the same arguments
* @param {...*} [args] - any number of separate arguments to pass to the
* function.
* @param {Function} [callback] - the final argument should be the callback,
* called when all functions have completed processing.
* @returns {Function} - If only the first argument is provided, it will return
* a function which lets you pass in the arguments as if it were a single
* function call.
*/
exports.default = (0, _applyEach2.default)(_mapSeries2.default);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = asyncify;
var _isObject = require('lodash/isObject');
var _isObject2 = _interopRequireDefault(_isObject);
var _initialParams = require('./internal/initialParams');
var _initialParams2 = _interopRequireDefault(_initialParams);
var _setImmediate = require('./internal/setImmediate');
var _setImmediate2 = _interopRequireDefault(_setImmediate);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Take a sync function and make it async, passing its return value to a
* callback. This is useful for plugging sync functions into a waterfall,
* series, or other async functions. Any arguments passed to the generated
* function will be passed to the wrapped function (except for the final
* callback argument). Errors thrown will be passed to the callback.
*
* If the function passed to `asyncify` returns a Promise, that promises's
* resolved/rejected state will be used to call the callback, rather than simply
* the synchronous return value.
*
* This also means you can asyncify ES2017 `async` functions.
*
* @name asyncify
* @static
* @memberOf module:Utils
* @method
* @alias wrapSync
* @category Util
* @param {Function} func - The synchronous function, or Promise-returning
* function to convert to an {@link AsyncFunction}.
* @returns {AsyncFunction} An asynchronous wrapper of the `func`. To be
* invoked with `(args..., callback)`.
* @example
*
* // passing a regular synchronous function
* async.waterfall([
* async.apply(fs.readFile, filename, "utf8"),
* async.asyncify(JSON.parse),
* function (data, next) {
* // data is the result of parsing the text.
* // If there was a parsing error, it would have been caught.
* }
* ], callback);
*
* // passing a function returning a promise
* async.waterfall([
* async.apply(fs.readFile, filename, "utf8"),
* async.asyncify(function (contents) {
* return db.model.create(contents);
* }),
* function (model, next) {
* // `model` is the instantiated model object.
* // If there was an error, this function would be skipped.
* }
* ], callback);
*
* // es2017 example, though `asyncify` is not needed if your JS environment
* // supports async functions out of the box
* var q = async.queue(async.asyncify(async function(file) {
* var intermediateStep = await processFile(file);
* return await somePromise(intermediateStep)
* }));
*
* q.push(files);
*/
function asyncify(func) {
return (0, _initialParams2.default)(function (args, callback) {
var result;
try {
result = func.apply(this, args);
} catch (e) {
return callback(e);
}
// if result is Promise object
if ((0, _isObject2.default)(result) && typeof result.then === 'function') {
result.then(function (value) {
invokeCallback(callback, null, value);
}, function (err) {
invokeCallback(callback, err.message ? err : new Error(err));
});
} else {
callback(null, result);
}
});
}
function invokeCallback(callback, error, value) {
try {
callback(error, value);
} catch (e) {
(0, _setImmediate2.default)(rethrow, e);
}
}
function rethrow(error) {
throw error;
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (tasks, concurrency, callback) {
if (typeof concurrency === 'function') {
// concurrency is optional, shift the args.
callback = concurrency;
concurrency = null;
}
callback = (0, _once2.default)(callback || _noop2.default);
var keys = (0, _keys2.default)(tasks);
var numTasks = keys.length;
if (!numTasks) {
return callback(null);
}
if (!concurrency) {
concurrency = numTasks;
}
var results = {};
var runningTasks = 0;
var hasError = false;
var listeners = Object.create(null);
var readyTasks = [];
// for cycle detection:
var readyToCheck = []; // tasks that have been identified as reachable
// without the possibility of returning to an ancestor task
var uncheckedDependencies = {};
(0, _baseForOwn2.default)(tasks, function (task, key) {
if (!(0, _isArray2.default)(task)) {
// no dependencies
enqueueTask(key, [task]);
readyToCheck.push(key);
return;
}
var dependencies = task.slice(0, task.length - 1);
var remainingDependencies = dependencies.length;
if (remainingDependencies === 0) {
enqueueTask(key, task);
readyToCheck.push(key);
return;
}
uncheckedDependencies[key] = remainingDependencies;
(0, _arrayEach2.default)(dependencies, function (dependencyName) {
if (!tasks[dependencyName]) {
throw new Error('async.auto task `' + key + '` has a non-existent dependency `' + dependencyName + '` in ' + dependencies.join(', '));
}
addListener(dependencyName, function () {
remainingDependencies--;
if (remainingDependencies === 0) {
enqueueTask(key, task);
}
});
});
});
checkForDeadlocks();
processQueue();
function enqueueTask(key, task) {
readyTasks.push(function () {
runTask(key, task);
});
}
function processQueue() {
if (readyTasks.length === 0 && runningTasks === 0) {
return callback(null, results);
}
while (readyTasks.length && runningTasks < concurrency) {
var run = readyTasks.shift();
run();
}
}
function addListener(taskName, fn) {
var taskListeners = listeners[taskName];
if (!taskListeners) {
taskListeners = listeners[taskName] = [];
}
taskListeners.push(fn);
}
function taskComplete(taskName) {
var taskListeners = listeners[taskName] || [];
(0, _arrayEach2.default)(taskListeners, function (fn) {
fn();
});
processQueue();
}
function runTask(key, task) {
if (hasError) return;
var taskCallback = (0, _onlyOnce2.default)(function (err, result) {
runningTasks--;
if (arguments.length > 2) {
result = (0, _slice2.default)(arguments, 1);
}
if (err) {
var safeResults = {};
(0, _baseForOwn2.default)(results, function (val, rkey) {
safeResults[rkey] = val;
});
safeResults[key] = result;
hasError = true;
listeners = Object.create(null);
callback(err, safeResults);
} else {
results[key] = result;
taskComplete(key);
}
});
runningTasks++;
var taskFn = (0, _wrapAsync2.default)(task[task.length - 1]);
if (task.length > 1) {
taskFn(results, taskCallback);
} else {
taskFn(taskCallback);
}
}
function checkForDeadlocks() {
// Kahn's algorithm
// https://en.wikipedia.org/wiki/Topological_sorting#Kahn.27s_algorithm
// http://connalle.blogspot.com/2013/10/topological-sortingkahn-algorithm.html
var currentTask;
var counter = 0;
while (readyToCheck.length) {
currentTask = readyToCheck.pop();
counter++;
(0, _arrayEach2.default)(getDependents(currentTask), function (dependent) {
if (--uncheckedDependencies[dependent] === 0) {
readyToCheck.push(dependent);
}
});
}
if (counter !== numTasks) {
throw new Error('async.auto cannot execute tasks due to a recursive dependency');
}
}
function getDependents(taskName) {
var result = [];
(0, _baseForOwn2.default)(tasks, function (task, key) {
if ((0, _isArray2.default)(task) && (0, _baseIndexOf2.default)(task, taskName, 0) >= 0) {
result.push(key);
}
});
return result;
}
};
var _arrayEach = require('lodash/_arrayEach');
var _arrayEach2 = _interopRequireDefault(_arrayEach);
var _baseForOwn = require('lodash/_baseForOwn');
var _baseForOwn2 = _interopRequireDefault(_baseForOwn);
var _baseIndexOf = require('lodash/_baseIndexOf');
var _baseIndexOf2 = _interopRequireDefault(_baseIndexOf);
var _isArray = require('lodash/isArray');
var _isArray2 = _interopRequireDefault(_isArray);
var _keys = require('lodash/keys');
var _keys2 = _interopRequireDefault(_keys);
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
var _once = require('./internal/once');
var _once2 = _interopRequireDefault(_once);
var _onlyOnce = require('./internal/onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
module.exports = exports['default'];
/**
* Determines the best order for running the {@link AsyncFunction}s in `tasks`, based on
* their requirements. Each function can optionally depend on other functions
* being completed first, and each function is run as soon as its requirements
* are satisfied.
*
* If any of the {@link AsyncFunction}s pass an error to their callback, the `auto` sequence
* will stop. Further tasks will not execute (so any other functions depending
* on it will not run), and the main `callback` is immediately called with the
* error.
*
* {@link AsyncFunction}s also receive an object containing the results of functions which
* have completed so far as the first argument, if they have dependencies. If a
* task function has no dependencies, it will only be passed a callback.
*
* @name auto
* @static
* @memberOf module:ControlFlow
* @method
* @category Control Flow
* @param {Object} tasks - An object. Each of its properties is either a
* function or an array of requirements, with the {@link AsyncFunction} itself the last item
* in the array. The object's key of a property serves as the name of the task
* defined by that property, i.e. can be used when specifying requirements for
* other tasks. The function receives one or two arguments:
* * a `results` object, containing the results of the previously executed
* functions, only passed if the task has any dependencies,
* * a `callback(err, result)` function, which must be called when finished,
* passing an `error` (which can be `null`) and the result of the function's
* execution.
* @param {number} [concurrency=Infinity] - An optional `integer` for
* determining the maximum number of tasks that can be run in parallel. By
* default, as many as possible.
* @param {Function} [callback] - An optional callback which is called when all
* the tasks have been completed. It receives the `err` argument if any `tasks`
* pass an error to their callback. Results are always returned; however, if an
* error occurs, no further `tasks` will be performed, and the results object
* will only contain partial results. Invoked with (err, results).
* @returns undefined
* @example
*
* async.auto({
* // this function will just be passed a callback
* readData: async.apply(fs.readFile, 'data.txt', 'utf-8'),
* showData: ['readData', function(results, cb) {
* // results.readData is the file's contents
* // ...
* }]
* }, callback);
*
* async.auto({
* get_data: function(callback) {
* console.log('in get_data');
* // async code to get some data
* callback(null, 'data', 'converted to array');
* },
* make_folder: function(callback) {
* console.log('in make_folder');
* // async code to create a directory to store a file in
* // this is run at the same time as getting the data
* callback(null, 'folder');
* },
* write_file: ['get_data', 'make_folder', function(results, callback) {
* console.log('in write_file', JSON.stringify(results));
* // once there is some data and the directory exists,
* // write the data to a file in the directory
* callback(null, 'filename');
* }],
* email_link: ['write_file', function(results, callback) {
* console.log('in email_link', JSON.stringify(results));
* // once the file is written let's email a link to it...
* // results.write_file contains the filename returned by write_file.
* callback(null, {'file':results.write_file, 'email':'user@example.com'});
* }]
* }, function(err, results) {
* console.log('err = ', err);
* console.log('results = ', results);
* });
*/
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = autoInject;
var _auto = require('./auto');
var _auto2 = _interopRequireDefault(_auto);
var _baseForOwn = require('lodash/_baseForOwn');
var _baseForOwn2 = _interopRequireDefault(_baseForOwn);
var _arrayMap = require('lodash/_arrayMap');
var _arrayMap2 = _interopRequireDefault(_arrayMap);
var _isArray = require('lodash/isArray');
var _isArray2 = _interopRequireDefault(_isArray);
var _trim = require('lodash/trim');
var _trim2 = _interopRequireDefault(_trim);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var FN_ARGS = /^(?:async\s+)?(function)?\s*[^\(]*\(\s*([^\)]*)\)/m;
var FN_ARG_SPLIT = /,/;
var FN_ARG = /(=.+)?(\s*)$/;
var STRIP_COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/mg;
function parseParams(func) {
func = func.toString().replace(STRIP_COMMENTS, '');
func = func.match(FN_ARGS)[2].replace(' ', '');
func = func ? func.split(FN_ARG_SPLIT) : [];
func = func.map(function (arg) {
return (0, _trim2.default)(arg.replace(FN_ARG, ''));
});
return func;
}
/**
* A dependency-injected version of the [async.auto]{@link module:ControlFlow.auto} function. Dependent
* tasks are specified as parameters to the function, after the usual callback
* parameter, with the parameter names matching the names of the tasks it
* depends on. This can provide even more readable task graphs which can be
* easier to maintain.
*
* If a final callback is specified, the task results are similarly injected,
* specified as named parameters after the initial error parameter.
*
* The autoInject function is purely syntactic sugar and its semantics are
* otherwise equivalent to [async.auto]{@link module:ControlFlow.auto}.
*
* @name autoInject
* @static
* @memberOf module:ControlFlow
* @method
* @see [async.auto]{@link module:ControlFlow.auto}
* @category Control Flow
* @param {Object} tasks - An object, each of whose properties is an {@link AsyncFunction} of
* the form 'func([dependencies...], callback). The object's key of a property
* serves as the name of the task defined by that property, i.e. can be used
* when specifying requirements for other tasks.
* * The `callback` parameter is a `callback(err, result)` which must be called
* when finished, passing an `error` (which can be `null`) and the result of
* the function's execution. The remaining parameters name other tasks on
* which the task is dependent, and the results from those tasks are the
* arguments of those parameters.
* @param {Function} [callback] - An optional callback which is called when all
* the tasks have been completed. It receives the `err` argument if any `tasks`
* pass an error to their callback, and a `results` object with any completed
* task results, similar to `auto`.
* @example
*
* // The example from `auto` can be rewritten as follows:
* async.autoInject({
* get_data: function(callback) {
* // async code to get some data
* callback(null, 'data', 'converted to array');
* },
* make_folder: function(callback) {
* // async code to create a directory to store a file in
* // this is run at the same time as getting the data
* callback(null, 'folder');
* },
* write_file: function(get_data, make_folder, callback) {
* // once there is some data and the directory exists,
* // write the data to a file in the directory
* callback(null, 'filename');
* },
* email_link: function(write_file, callback) {
* // once the file is written let's email a link to it...
* // write_file contains the filename returned by write_file.
* callback(null, {'file':write_file, 'email':'user@example.com'});
* }
* }, function(err, results) {
* console.log('err = ', err);
* console.log('email_link = ', results.email_link);
* });
*
* // If you are using a JS minifier that mangles parameter names, `autoInject`
* // will not work with plain functions, since the parameter names will be
* // collapsed to a single letter identifier. To work around this, you can
* // explicitly specify the names of the parameters your task function needs
* // in an array, similar to Angular.js dependency injection.
*
* // This still has an advantage over plain `auto`, since the results a task
* // depends on are still spread into arguments.
* async.autoInject({
* //...
* write_file: ['get_data', 'make_folder', function(get_data, make_folder, callback) {
* callback(null, 'filename');
* }],
* email_link: ['write_file', function(write_file, callback) {
* callback(null, {'file':write_file, 'email':'user@example.com'});
* }]
* //...
* }, function(err, results) {
* console.log('err = ', err);
* console.log('email_link = ', results.email_link);
* });
*/
function autoInject(tasks, callback) {
var newTasks = {};
(0, _baseForOwn2.default)(tasks, function (taskFn, key) {
var params;
var fnIsAsync = (0, _wrapAsync.isAsync)(taskFn);
var hasNoDeps = !fnIsAsync && taskFn.length === 1 || fnIsAsync && taskFn.length === 0;
if ((0, _isArray2.default)(taskFn)) {
params = taskFn.slice(0, -1);
taskFn = taskFn[taskFn.length - 1];
newTasks[key] = params.concat(params.length > 0 ? newTask : taskFn);
} else if (hasNoDeps) {
// no dependencies, use the function as-is
newTasks[key] = taskFn;
} else {
params = parseParams(taskFn);
if (taskFn.length === 0 && !fnIsAsync && params.length === 0) {
throw new Error("autoInject task functions require explicit parameters.");
}
// remove callback param
if (!fnIsAsync) params.pop();
newTasks[key] = params.concat(newTask);
}
function newTask(results, taskCb) {
var newArgs = (0, _arrayMap2.default)(params, function (name) {
return results[name];
});
newArgs.push(taskCb);
(0, _wrapAsync2.default)(taskFn).apply(null, newArgs);
}
});
(0, _auto2.default)(newTasks, callback);
}
module.exports = exports['default'];
\ No newline at end of file
{
"name": "async",
"main": "dist/async.js",
"ignore": [
"bower_components",
"lib",
"mocha_test",
"node_modules",
"perf",
"support",
"**/.*",
"*.config.js",
"*.json",
"index.js",
"Makefile"
]
}
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = cargo;
var _queue = require('./internal/queue');
var _queue2 = _interopRequireDefault(_queue);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* A cargo of tasks for the worker function to complete. Cargo inherits all of
* the same methods and event callbacks as [`queue`]{@link module:ControlFlow.queue}.
* @typedef {Object} CargoObject
* @memberOf module:ControlFlow
* @property {Function} length - A function returning the number of items
* waiting to be processed. Invoke like `cargo.length()`.
* @property {number} payload - An `integer` for determining how many tasks
* should be process per round. This property can be changed after a `cargo` is
* created to alter the payload on-the-fly.
* @property {Function} push - Adds `task` to the `queue`. The callback is
* called once the `worker` has finished processing the task. Instead of a
* single task, an array of `tasks` can be submitted. The respective callback is
* used for every task in the list. Invoke like `cargo.push(task, [callback])`.
* @property {Function} saturated - A callback that is called when the
* `queue.length()` hits the concurrency and further tasks will be queued.
* @property {Function} empty - A callback that is called when the last item
* from the `queue` is given to a `worker`.
* @property {Function} drain - A callback that is called when the last item
* from the `queue` has returned from the `worker`.
* @property {Function} idle - a function returning false if there are items
* waiting or being processed, or true if not. Invoke like `cargo.idle()`.
* @property {Function} pause - a function that pauses the processing of tasks
* until `resume()` is called. Invoke like `cargo.pause()`.
* @property {Function} resume - a function that resumes the processing of
* queued tasks when the queue is paused. Invoke like `cargo.resume()`.
* @property {Function} kill - a function that removes the `drain` callback and
* empties remaining tasks from the queue forcing it to go idle. Invoke like `cargo.kill()`.
*/
/**
* Creates a `cargo` object with the specified payload. Tasks added to the
* cargo will be processed altogether (up to the `payload` limit). If the
* `worker` is in progress, the task is queued until it becomes available. Once
* the `worker` has completed some tasks, each callback of those tasks is
* called. Check out [these](https://camo.githubusercontent.com/6bbd36f4cf5b35a0f11a96dcd2e97711ffc2fb37/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313637363837312f36383130382f62626330636662302d356632392d313165322d393734662d3333393763363464633835382e676966) [animations](https://camo.githubusercontent.com/f4810e00e1c5f5f8addbe3e9f49064fd5d102699/68747470733a2f2f662e636c6f75642e6769746875622e636f6d2f6173736574732f313637363837312f36383130312f38346339323036362d356632392d313165322d383134662d3964336430323431336266642e676966)
* for how `cargo` and `queue` work.
*
* While [`queue`]{@link module:ControlFlow.queue} passes only one task to one of a group of workers
* at a time, cargo passes an array of tasks to a single worker, repeating
* when the worker is finished.
*
* @name cargo
* @static
* @memberOf module:ControlFlow
* @method
* @see [async.queue]{@link module:ControlFlow.queue}
* @category Control Flow
* @param {AsyncFunction} worker - An asynchronous function for processing an array
* of queued tasks. Invoked with `(tasks, callback)`.
* @param {number} [payload=Infinity] - An optional `integer` for determining
* how many tasks should be processed per round; if omitted, the default is
* unlimited.
* @returns {module:ControlFlow.CargoObject} A cargo object to manage the tasks. Callbacks can
* attached as certain properties to listen for specific events during the
* lifecycle of the cargo and inner queue.
* @example
*
* // create a cargo object with payload 2
* var cargo = async.cargo(function(tasks, callback) {
* for (var i=0; i<tasks.length; i++) {
* console.log('hello ' + tasks[i].name);
* }
* callback();
* }, 2);
*
* // add some items
* cargo.push({name: 'foo'}, function(err) {
* console.log('finished processing foo');
* });
* cargo.push({name: 'bar'}, function(err) {
* console.log('finished processing bar');
* });
* cargo.push({name: 'baz'}, function(err) {
* console.log('finished processing baz');
* });
*/
function cargo(worker, payload) {
return (0, _queue2.default)(worker, 1, payload);
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function () /*...args*/{
return _seq2.default.apply(null, (0, _slice2.default)(arguments).reverse());
};
var _seq = require('./seq');
var _seq2 = _interopRequireDefault(_seq);
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
;
/**
* Creates a function which is a composition of the passed asynchronous
* functions. Each function consumes the return value of the function that
* follows. Composing functions `f()`, `g()`, and `h()` would produce the result
* of `f(g(h()))`, only this version uses callbacks to obtain the return values.
*
* Each function is executed with the `this` binding of the composed function.
*
* @name compose
* @static
* @memberOf module:ControlFlow
* @method
* @category Control Flow
* @param {...AsyncFunction} functions - the asynchronous functions to compose
* @returns {Function} an asynchronous function that is the composed
* asynchronous `functions`
* @example
*
* function add1(n, callback) {
* setTimeout(function () {
* callback(null, n + 1);
* }, 10);
* }
*
* function mul3(n, callback) {
* setTimeout(function () {
* callback(null, n * 3);
* }, 10);
* }
*
* var add1mul3 = async.compose(mul3, add1);
* add1mul3(4, function (err, result) {
* // result now equals 15
* });
*/
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
var _concatLimit = require('./concatLimit');
var _concatLimit2 = _interopRequireDefault(_concatLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Applies `iteratee` to each item in `coll`, concatenating the results. Returns
* the concatenated list. The `iteratee`s are called in parallel, and the
* results are concatenated as they return. There is no guarantee that the
* results array will be returned in the original order of `coll` passed to the
* `iteratee` function.
*
* @name concat
* @static
* @memberOf module:Collections
* @method
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - A function to apply to each item in `coll`,
* which should use an array as its result. Invoked with (item, callback).
* @param {Function} [callback(err)] - A callback which is called after all the
* `iteratee` functions have finished, or an error occurs. Results is an array
* containing the concatenated results of the `iteratee` function. Invoked with
* (err, results).
* @example
*
* async.concat(['dir1','dir2','dir3'], fs.readdir, function(err, files) {
* // files is now a list of filenames that exist in the 3 directories
* });
*/
exports.default = (0, _doLimit2.default)(_concatLimit2.default, Infinity);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (coll, limit, iteratee, callback) {
callback = callback || _noop2.default;
var _iteratee = (0, _wrapAsync2.default)(iteratee);
(0, _mapLimit2.default)(coll, limit, function (val, callback) {
_iteratee(val, function (err /*, ...args*/) {
if (err) return callback(err);
return callback(null, (0, _slice2.default)(arguments, 1));
});
}, function (err, mapResults) {
var result = [];
for (var i = 0; i < mapResults.length; i++) {
if (mapResults[i]) {
result = _concat.apply(result, mapResults[i]);
}
}
return callback(err, result);
});
};
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
var _mapLimit = require('./mapLimit');
var _mapLimit2 = _interopRequireDefault(_mapLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var _concat = Array.prototype.concat;
/**
* The same as [`concat`]{@link module:Collections.concat} but runs a maximum of `limit` async operations at a time.
*
* @name concatLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.concat]{@link module:Collections.concat}
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - A function to apply to each item in `coll`,
* which should use an array as its result. Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished, or an error occurs. Results is an array
* containing the concatenated results of the `iteratee` function. Invoked with
* (err, results).
*/
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
var _concatLimit = require('./concatLimit');
var _concatLimit2 = _interopRequireDefault(_concatLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`concat`]{@link module:Collections.concat} but runs only a single async operation at a time.
*
* @name concatSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.concat]{@link module:Collections.concat}
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - A function to apply to each item in `coll`.
* The iteratee should complete with an array an array of results.
* Invoked with (item, callback).
* @param {Function} [callback(err)] - A callback which is called after all the
* `iteratee` functions have finished, or an error occurs. Results is an array
* containing the concatenated results of the `iteratee` function. Invoked with
* (err, results).
*/
exports.default = (0, _doLimit2.default)(_concatLimit2.default, 1);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function () /*...values*/{
var values = (0, _slice2.default)(arguments);
var args = [null].concat(values);
return function () /*...ignoredArgs, callback*/{
var callback = arguments[arguments.length - 1];
return callback.apply(this, args);
};
};
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
;
/**
* Returns a function that when called, calls-back with the values provided.
* Useful as the first function in a [`waterfall`]{@link module:ControlFlow.waterfall}, or for plugging values in to
* [`auto`]{@link module:ControlFlow.auto}.
*
* @name constant
* @static
* @memberOf module:Utils
* @method
* @category Util
* @param {...*} arguments... - Any number of arguments to automatically invoke
* callback with.
* @returns {AsyncFunction} Returns a function that when invoked, automatically
* invokes the callback with the previous given arguments.
* @example
*
* async.waterfall([
* async.constant(42),
* function (value, next) {
* // value === 42
* },
* //...
* ], callback);
*
* async.waterfall([
* async.constant(filename, "utf8"),
* fs.readFile,
* function (fileData, next) {
* //...
* }
* //...
* ], callback);
*
* async.auto({
* hostname: async.constant("https://server.net/"),
* port: findFreePort,
* launchServer: ["hostname", "port", function (options, cb) {
* startServer(options, cb);
* }],
* //...
* }, callback);
*/
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _identity = require('lodash/identity');
var _identity2 = _interopRequireDefault(_identity);
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallel = require('./internal/doParallel');
var _doParallel2 = _interopRequireDefault(_doParallel);
var _findGetResult = require('./internal/findGetResult');
var _findGetResult2 = _interopRequireDefault(_findGetResult);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Returns the first value in `coll` that passes an async truth test. The
* `iteratee` is applied in parallel, meaning the first iteratee to return
* `true` will fire the detect `callback` with that result. That means the
* result might not be the first item in the original `coll` (in terms of order)
* that passes the test.
* If order within the original `coll` is important, then look at
* [`detectSeries`]{@link module:Collections.detectSeries}.
*
* @name detect
* @static
* @memberOf module:Collections
* @method
* @alias find
* @category Collections
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
* The iteratee must complete with a boolean value as its result.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the `iteratee` functions have finished.
* Result will be the first item in the array that passes the truth test
* (iteratee) or the value `undefined` if none passed. Invoked with
* (err, result).
* @example
*
* async.detect(['file1','file2','file3'], function(filePath, callback) {
* fs.access(filePath, function(err) {
* callback(null, !err)
* });
* }, function(err, result) {
* // result now equals the first file in the list that exists
* });
*/
exports.default = (0, _doParallel2.default)((0, _createTester2.default)(_identity2.default, _findGetResult2.default));
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _identity = require('lodash/identity');
var _identity2 = _interopRequireDefault(_identity);
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallelLimit = require('./internal/doParallelLimit');
var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
var _findGetResult = require('./internal/findGetResult');
var _findGetResult2 = _interopRequireDefault(_findGetResult);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`detect`]{@link module:Collections.detect} but runs a maximum of `limit` async operations at a
* time.
*
* @name detectLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.detect]{@link module:Collections.detect}
* @alias findLimit
* @category Collections
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
* The iteratee must complete with a boolean value as its result.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the `iteratee` functions have finished.
* Result will be the first item in the array that passes the truth test
* (iteratee) or the value `undefined` if none passed. Invoked with
* (err, result).
*/
exports.default = (0, _doParallelLimit2.default)((0, _createTester2.default)(_identity2.default, _findGetResult2.default));
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _detectLimit = require('./detectLimit');
var _detectLimit2 = _interopRequireDefault(_detectLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`detect`]{@link module:Collections.detect} but runs only a single async operation at a time.
*
* @name detectSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.detect]{@link module:Collections.detect}
* @alias findSeries
* @category Collections
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
* The iteratee must complete with a boolean value as its result.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the `iteratee` functions have finished.
* Result will be the first item in the array that passes the truth test
* (iteratee) or the value `undefined` if none passed. Invoked with
* (err, result).
*/
exports.default = (0, _doLimit2.default)(_detectLimit2.default, 1);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _consoleFunc = require('./internal/consoleFunc');
var _consoleFunc2 = _interopRequireDefault(_consoleFunc);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Logs the result of an [`async` function]{@link AsyncFunction} to the
* `console` using `console.dir` to display the properties of the resulting object.
* Only works in Node.js or in browsers that support `console.dir` and
* `console.error` (such as FF and Chrome).
* If multiple arguments are returned from the async function,
* `console.dir` is called on each argument in order.
*
* @name dir
* @static
* @memberOf module:Utils
* @method
* @category Util
* @param {AsyncFunction} function - The function you want to eventually apply
* all arguments to.
* @param {...*} arguments... - Any number of arguments to apply to the function.
* @example
*
* // in a module
* var hello = function(name, callback) {
* setTimeout(function() {
* callback(null, {hello: name});
* }, 1000);
* };
*
* // in the node repl
* node> async.dir(hello, 'world');
* {hello: 'world'}
*/
exports.default = (0, _consoleFunc2.default)('dir');
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = doDuring;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
var _onlyOnce = require('./internal/onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The post-check version of [`during`]{@link module:ControlFlow.during}. To reflect the difference in
* the order of operations, the arguments `test` and `fn` are switched.
*
* Also a version of [`doWhilst`]{@link module:ControlFlow.doWhilst} with asynchronous `test` function.
* @name doDuring
* @static
* @memberOf module:ControlFlow
* @method
* @see [async.during]{@link module:ControlFlow.during}
* @category Control Flow
* @param {AsyncFunction} fn - An async function which is called each time
* `test` passes. Invoked with (callback).
* @param {AsyncFunction} test - asynchronous truth test to perform before each
* execution of `fn`. Invoked with (...args, callback), where `...args` are the
* non-error args from the previous callback of `fn`.
* @param {Function} [callback] - A callback which is called after the test
* function has failed and repeated execution of `fn` has stopped. `callback`
* will be passed an error if one occurred, otherwise `null`.
*/
function doDuring(fn, test, callback) {
callback = (0, _onlyOnce2.default)(callback || _noop2.default);
var _fn = (0, _wrapAsync2.default)(fn);
var _test = (0, _wrapAsync2.default)(test);
function next(err /*, ...args*/) {
if (err) return callback(err);
var args = (0, _slice2.default)(arguments, 1);
args.push(check);
_test.apply(this, args);
};
function check(err, truth) {
if (err) return callback(err);
if (!truth) return callback(null);
_fn(next);
}
check(null, true);
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = doUntil;
var _doWhilst = require('./doWhilst');
var _doWhilst2 = _interopRequireDefault(_doWhilst);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Like ['doWhilst']{@link module:ControlFlow.doWhilst}, except the `test` is inverted. Note the
* argument ordering differs from `until`.
*
* @name doUntil
* @static
* @memberOf module:ControlFlow
* @method
* @see [async.doWhilst]{@link module:ControlFlow.doWhilst}
* @category Control Flow
* @param {AsyncFunction} iteratee - An async function which is called each time
* `test` fails. Invoked with (callback).
* @param {Function} test - synchronous truth test to perform after each
* execution of `iteratee`. Invoked with any non-error callback results of
* `iteratee`.
* @param {Function} [callback] - A callback which is called after the test
* function has passed and repeated execution of `iteratee` has stopped. `callback`
* will be passed an error and any arguments passed to the final `iteratee`'s
* callback. Invoked with (err, [results]);
*/
function doUntil(iteratee, test, callback) {
(0, _doWhilst2.default)(iteratee, function () {
return !test.apply(this, arguments);
}, callback);
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = doWhilst;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
var _onlyOnce = require('./internal/onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The post-check version of [`whilst`]{@link module:ControlFlow.whilst}. To reflect the difference in
* the order of operations, the arguments `test` and `iteratee` are switched.
*
* `doWhilst` is to `whilst` as `do while` is to `while` in plain JavaScript.
*
* @name doWhilst
* @static
* @memberOf module:ControlFlow
* @method
* @see [async.whilst]{@link module:ControlFlow.whilst}
* @category Control Flow
* @param {AsyncFunction} iteratee - A function which is called each time `test`
* passes. Invoked with (callback).
* @param {Function} test - synchronous truth test to perform after each
* execution of `iteratee`. Invoked with any non-error callback results of
* `iteratee`.
* @param {Function} [callback] - A callback which is called after the test
* function has failed and repeated execution of `iteratee` has stopped.
* `callback` will be passed an error and any arguments passed to the final
* `iteratee`'s callback. Invoked with (err, [results]);
*/
function doWhilst(iteratee, test, callback) {
callback = (0, _onlyOnce2.default)(callback || _noop2.default);
var _iteratee = (0, _wrapAsync2.default)(iteratee);
var next = function (err /*, ...args*/) {
if (err) return callback(err);
var args = (0, _slice2.default)(arguments, 1);
if (test.apply(this, args)) return _iteratee(next);
callback.apply(null, [null].concat(args));
};
_iteratee(next);
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = during;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _onlyOnce = require('./internal/onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Like [`whilst`]{@link module:ControlFlow.whilst}, except the `test` is an asynchronous function that
* is passed a callback in the form of `function (err, truth)`. If error is
* passed to `test` or `fn`, the main callback is immediately called with the
* value of the error.
*
* @name during
* @static
* @memberOf module:ControlFlow
* @method
* @see [async.whilst]{@link module:ControlFlow.whilst}
* @category Control Flow
* @param {AsyncFunction} test - asynchronous truth test to perform before each
* execution of `fn`. Invoked with (callback).
* @param {AsyncFunction} fn - An async function which is called each time
* `test` passes. Invoked with (callback).
* @param {Function} [callback] - A callback which is called after the test
* function has failed and repeated execution of `fn` has stopped. `callback`
* will be passed an error, if one occurred, otherwise `null`.
* @example
*
* var count = 0;
*
* async.during(
* function (callback) {
* return callback(null, count < 5);
* },
* function (callback) {
* count++;
* setTimeout(callback, 1000);
* },
* function (err) {
* // 5 seconds have passed
* }
* );
*/
function during(test, fn, callback) {
callback = (0, _onlyOnce2.default)(callback || _noop2.default);
var _fn = (0, _wrapAsync2.default)(fn);
var _test = (0, _wrapAsync2.default)(test);
function next(err) {
if (err) return callback(err);
_test(check);
}
function check(err, truth) {
if (err) return callback(err);
if (!truth) return callback(null);
_fn(next);
}
_test(check);
}
module.exports = exports['default'];
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'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = eachLimit;
var _eachOf = require('./eachOf');
var _eachOf2 = _interopRequireDefault(_eachOf);
var _withoutIndex = require('./internal/withoutIndex');
var _withoutIndex2 = _interopRequireDefault(_withoutIndex);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Applies the function `iteratee` to each item in `coll`, in parallel.
* The `iteratee` is called with an item from the list, and a callback for when
* it has finished. If the `iteratee` passes an error to its `callback`, the
* main `callback` (for the `each` function) is immediately called with the
* error.
*
* Note, that since this function applies `iteratee` to each item in parallel,
* there is no guarantee that the iteratee functions will complete in order.
*
* @name each
* @static
* @memberOf module:Collections
* @method
* @alias forEach
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async function to apply to
* each item in `coll`. Invoked with (item, callback).
* The array index is not passed to the iteratee.
* If you need the index, use `eachOf`.
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
* @example
*
* // assuming openFiles is an array of file names and saveFile is a function
* // to save the modified contents of that file:
*
* async.each(openFiles, saveFile, function(err){
* // if any of the saves produced an error, err would equal that error
* });
*
* // assuming openFiles is an array of file names
* async.each(openFiles, function(file, callback) {
*
* // Perform operation on file here.
* console.log('Processing file ' + file);
*
* if( file.length > 32 ) {
* console.log('This file name is too long');
* callback('File name too long');
* } else {
* // Do work to process file here
* console.log('File processed');
* callback();
* }
* }, function(err) {
* // if any of the file processing produced an error, err would equal that error
* if( err ) {
* // One of the iterations produced an error.
* // All processing will now stop.
* console.log('A file failed to process');
* } else {
* console.log('All files have been processed successfully');
* }
* });
*/
function eachLimit(coll, iteratee, callback) {
(0, _eachOf2.default)(coll, (0, _withoutIndex2.default)((0, _wrapAsync2.default)(iteratee)), callback);
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = eachLimit;
var _eachOfLimit = require('./internal/eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _withoutIndex = require('./internal/withoutIndex');
var _withoutIndex2 = _interopRequireDefault(_withoutIndex);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`each`]{@link module:Collections.each} but runs a maximum of `limit` async operations at a time.
*
* @name eachLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.each]{@link module:Collections.each}
* @alias forEachLimit
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async function to apply to each item in
* `coll`.
* The array index is not passed to the iteratee.
* If you need the index, use `eachOfLimit`.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
*/
function eachLimit(coll, limit, iteratee, callback) {
(0, _eachOfLimit2.default)(limit)(coll, (0, _withoutIndex2.default)((0, _wrapAsync2.default)(iteratee)), callback);
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (coll, iteratee, callback) {
var eachOfImplementation = (0, _isArrayLike2.default)(coll) ? eachOfArrayLike : eachOfGeneric;
eachOfImplementation(coll, (0, _wrapAsync2.default)(iteratee), callback);
};
var _isArrayLike = require('lodash/isArrayLike');
var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
var _breakLoop = require('./internal/breakLoop');
var _breakLoop2 = _interopRequireDefault(_breakLoop);
var _eachOfLimit = require('./eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _once = require('./internal/once');
var _once2 = _interopRequireDefault(_once);
var _onlyOnce = require('./internal/onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
// eachOf implementation optimized for array-likes
function eachOfArrayLike(coll, iteratee, callback) {
callback = (0, _once2.default)(callback || _noop2.default);
var index = 0,
completed = 0,
length = coll.length;
if (length === 0) {
callback(null);
}
function iteratorCallback(err, value) {
if (err) {
callback(err);
} else if (++completed === length || value === _breakLoop2.default) {
callback(null);
}
}
for (; index < length; index++) {
iteratee(coll[index], index, (0, _onlyOnce2.default)(iteratorCallback));
}
}
// a generic version of eachOf which can handle array, object, and iterator cases.
var eachOfGeneric = (0, _doLimit2.default)(_eachOfLimit2.default, Infinity);
/**
* Like [`each`]{@link module:Collections.each}, except that it passes the key (or index) as the second argument
* to the iteratee.
*
* @name eachOf
* @static
* @memberOf module:Collections
* @method
* @alias forEachOf
* @category Collection
* @see [async.each]{@link module:Collections.each}
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - A function to apply to each
* item in `coll`.
* The `key` is the item's key, or index in the case of an array.
* Invoked with (item, key, callback).
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
* @example
*
* var obj = {dev: "/dev.json", test: "/test.json", prod: "/prod.json"};
* var configs = {};
*
* async.forEachOf(obj, function (value, key, callback) {
* fs.readFile(__dirname + value, "utf8", function (err, data) {
* if (err) return callback(err);
* try {
* configs[key] = JSON.parse(data);
* } catch (e) {
* return callback(e);
* }
* callback();
* });
* }, function (err) {
* if (err) console.error(err.message);
* // configs is now a map of JSON data
* doSomethingWith(configs);
* });
*/
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = eachOfLimit;
var _eachOfLimit2 = require('./internal/eachOfLimit');
var _eachOfLimit3 = _interopRequireDefault(_eachOfLimit2);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`eachOf`]{@link module:Collections.eachOf} but runs a maximum of `limit` async operations at a
* time.
*
* @name eachOfLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.eachOf]{@link module:Collections.eachOf}
* @alias forEachOfLimit
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async function to apply to each
* item in `coll`. The `key` is the item's key, or index in the case of an
* array.
* Invoked with (item, key, callback).
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
*/
function eachOfLimit(coll, limit, iteratee, callback) {
(0, _eachOfLimit3.default)(limit)(coll, (0, _wrapAsync2.default)(iteratee), callback);
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _eachOfLimit = require('./eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`eachOf`]{@link module:Collections.eachOf} but runs only a single async operation at a time.
*
* @name eachOfSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.eachOf]{@link module:Collections.eachOf}
* @alias forEachOfSeries
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async function to apply to each item in
* `coll`.
* Invoked with (item, key, callback).
* @param {Function} [callback] - A callback which is called when all `iteratee`
* functions have finished, or an error occurs. Invoked with (err).
*/
exports.default = (0, _doLimit2.default)(_eachOfLimit2.default, 1);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _eachLimit = require('./eachLimit');
var _eachLimit2 = _interopRequireDefault(_eachLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`each`]{@link module:Collections.each} but runs only a single async operation at a time.
*
* @name eachSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.each]{@link module:Collections.each}
* @alias forEachSeries
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async function to apply to each
* item in `coll`.
* The array index is not passed to the iteratee.
* If you need the index, use `eachOfSeries`.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
*/
exports.default = (0, _doLimit2.default)(_eachLimit2.default, 1);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = ensureAsync;
var _setImmediate = require('./internal/setImmediate');
var _setImmediate2 = _interopRequireDefault(_setImmediate);
var _initialParams = require('./internal/initialParams');
var _initialParams2 = _interopRequireDefault(_initialParams);
var _wrapAsync = require('./internal/wrapAsync');
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Wrap an async function and ensure it calls its callback on a later tick of
* the event loop. If the function already calls its callback on a next tick,
* no extra deferral is added. This is useful for preventing stack overflows
* (`RangeError: Maximum call stack size exceeded`) and generally keeping
* [Zalgo](http://blog.izs.me/post/59142742143/designing-apis-for-asynchrony)
* contained. ES2017 `async` functions are returned as-is -- they are immune
* to Zalgo's corrupting influences, as they always resolve on a later tick.
*
* @name ensureAsync
* @static
* @memberOf module:Utils
* @method
* @category Util
* @param {AsyncFunction} fn - an async function, one that expects a node-style
* callback as its last argument.
* @returns {AsyncFunction} Returns a wrapped function with the exact same call
* signature as the function passed in.
* @example
*
* function sometimesAsync(arg, callback) {
* if (cache[arg]) {
* return callback(null, cache[arg]); // this would be synchronous!!
* } else {
* doSomeIO(arg, callback); // this IO would be asynchronous
* }
* }
*
* // this has a risk of stack overflows if many results are cached in a row
* async.mapSeries(args, sometimesAsync, done);
*
* // this will defer sometimesAsync's callback if necessary,
* // preventing stack overflows
* async.mapSeries(args, async.ensureAsync(sometimesAsync), done);
*/
function ensureAsync(fn) {
if ((0, _wrapAsync.isAsync)(fn)) return fn;
return (0, _initialParams2.default)(function (args, callback) {
var sync = true;
args.push(function () {
var innerArgs = arguments;
if (sync) {
(0, _setImmediate2.default)(function () {
callback.apply(null, innerArgs);
});
} else {
callback.apply(null, innerArgs);
}
});
fn.apply(this, args);
sync = false;
});
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallel = require('./internal/doParallel');
var _doParallel2 = _interopRequireDefault(_doParallel);
var _notId = require('./internal/notId');
var _notId2 = _interopRequireDefault(_notId);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Returns `true` if every element in `coll` satisfies an async test. If any
* iteratee call returns `false`, the main `callback` is immediately called.
*
* @name every
* @static
* @memberOf module:Collections
* @method
* @alias all
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collection in parallel.
* The iteratee must complete with a boolean result value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result will be either `true` or `false`
* depending on the values of the async tests. Invoked with (err, result).
* @example
*
* async.every(['file1','file2','file3'], function(filePath, callback) {
* fs.access(filePath, function(err) {
* callback(null, !err)
* });
* }, function(err, result) {
* // if result is true then every file exists
* });
*/
exports.default = (0, _doParallel2.default)((0, _createTester2.default)(_notId2.default, _notId2.default));
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallelLimit = require('./internal/doParallelLimit');
var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
var _notId = require('./internal/notId');
var _notId2 = _interopRequireDefault(_notId);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`every`]{@link module:Collections.every} but runs a maximum of `limit` async operations at a time.
*
* @name everyLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.every]{@link module:Collections.every}
* @alias allLimit
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collection in parallel.
* The iteratee must complete with a boolean result value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result will be either `true` or `false`
* depending on the values of the async tests. Invoked with (err, result).
*/
exports.default = (0, _doParallelLimit2.default)((0, _createTester2.default)(_notId2.default, _notId2.default));
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _everyLimit = require('./everyLimit');
var _everyLimit2 = _interopRequireDefault(_everyLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`every`]{@link module:Collections.every} but runs only a single async operation at a time.
*
* @name everySeries
* @static
* @memberOf module:Collections
* @method
* @see [async.every]{@link module:Collections.every}
* @alias allSeries
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async truth test to apply to each item
* in the collection in series.
* The iteratee must complete with a boolean result value.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result will be either `true` or `false`
* depending on the values of the async tests. Invoked with (err, result).
*/
exports.default = (0, _doLimit2.default)(_everyLimit2.default, 1);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _filter = require('./internal/filter');
var _filter2 = _interopRequireDefault(_filter);
var _doParallel = require('./internal/doParallel');
var _doParallel2 = _interopRequireDefault(_doParallel);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Returns a new array of all the values in `coll` which pass an async truth
* test. This operation is performed in parallel, but the results array will be
* in the same order as the original.
*
* @name filter
* @static
* @memberOf module:Collections
* @method
* @alias select
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {Function} iteratee - A truth test to apply to each item in `coll`.
* The `iteratee` is passed a `callback(err, truthValue)`, which must be called
* with a boolean argument once it has completed. Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Invoked with (err, results).
* @example
*
* async.filter(['file1','file2','file3'], function(filePath, callback) {
* fs.access(filePath, function(err) {
* callback(null, !err)
* });
* }, function(err, results) {
* // results now equals an array of the existing files
* });
*/
exports.default = (0, _doParallel2.default)(_filter2.default);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _filter = require('./internal/filter');
var _filter2 = _interopRequireDefault(_filter);
var _doParallelLimit = require('./internal/doParallelLimit');
var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`filter`]{@link module:Collections.filter} but runs a maximum of `limit` async operations at a
* time.
*
* @name filterLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.filter]{@link module:Collections.filter}
* @alias selectLimit
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {Function} iteratee - A truth test to apply to each item in `coll`.
* The `iteratee` is passed a `callback(err, truthValue)`, which must be called
* with a boolean argument once it has completed. Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Invoked with (err, results).
*/
exports.default = (0, _doParallelLimit2.default)(_filter2.default);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _filterLimit = require('./filterLimit');
var _filterLimit2 = _interopRequireDefault(_filterLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`filter`]{@link module:Collections.filter} but runs only a single async operation at a time.
*
* @name filterSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.filter]{@link module:Collections.filter}
* @alias selectSeries
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {Function} iteratee - A truth test to apply to each item in `coll`.
* The `iteratee` is passed a `callback(err, truthValue)`, which must be called
* with a boolean argument once it has completed. Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Invoked with (err, results)
*/
exports.default = (0, _doLimit2.default)(_filterLimit2.default, 1);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _identity = require('lodash/identity');
var _identity2 = _interopRequireDefault(_identity);
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallel = require('./internal/doParallel');
var _doParallel2 = _interopRequireDefault(_doParallel);
var _findGetResult = require('./internal/findGetResult');
var _findGetResult2 = _interopRequireDefault(_findGetResult);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Returns the first value in `coll` that passes an async truth test. The
* `iteratee` is applied in parallel, meaning the first iteratee to return
* `true` will fire the detect `callback` with that result. That means the
* result might not be the first item in the original `coll` (in terms of order)
* that passes the test.
* If order within the original `coll` is important, then look at
* [`detectSeries`]{@link module:Collections.detectSeries}.
*
* @name detect
* @static
* @memberOf module:Collections
* @method
* @alias find
* @category Collections
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
* The iteratee must complete with a boolean value as its result.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the `iteratee` functions have finished.
* Result will be the first item in the array that passes the truth test
* (iteratee) or the value `undefined` if none passed. Invoked with
* (err, result).
* @example
*
* async.detect(['file1','file2','file3'], function(filePath, callback) {
* fs.access(filePath, function(err) {
* callback(null, !err)
* });
* }, function(err, result) {
* // result now equals the first file in the list that exists
* });
*/
exports.default = (0, _doParallel2.default)((0, _createTester2.default)(_identity2.default, _findGetResult2.default));
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _identity = require('lodash/identity');
var _identity2 = _interopRequireDefault(_identity);
var _createTester = require('./internal/createTester');
var _createTester2 = _interopRequireDefault(_createTester);
var _doParallelLimit = require('./internal/doParallelLimit');
var _doParallelLimit2 = _interopRequireDefault(_doParallelLimit);
var _findGetResult = require('./internal/findGetResult');
var _findGetResult2 = _interopRequireDefault(_findGetResult);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`detect`]{@link module:Collections.detect} but runs a maximum of `limit` async operations at a
* time.
*
* @name detectLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.detect]{@link module:Collections.detect}
* @alias findLimit
* @category Collections
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
* The iteratee must complete with a boolean value as its result.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the `iteratee` functions have finished.
* Result will be the first item in the array that passes the truth test
* (iteratee) or the value `undefined` if none passed. Invoked with
* (err, result).
*/
exports.default = (0, _doParallelLimit2.default)((0, _createTester2.default)(_identity2.default, _findGetResult2.default));
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _detectLimit = require('./detectLimit');
var _detectLimit2 = _interopRequireDefault(_detectLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`detect`]{@link module:Collections.detect} but runs only a single async operation at a time.
*
* @name detectSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.detect]{@link module:Collections.detect}
* @alias findSeries
* @category Collections
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
* The iteratee must complete with a boolean value as its result.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called as soon as any
* iteratee returns `true`, or after all the `iteratee` functions have finished.
* Result will be the first item in the array that passes the truth test
* (iteratee) or the value `undefined` if none passed. Invoked with
* (err, result).
*/
exports.default = (0, _doLimit2.default)(_detectLimit2.default, 1);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = reduce;
var _eachOfSeries = require('./eachOfSeries');
var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries);
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _once = require('./internal/once');
var _once2 = _interopRequireDefault(_once);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Reduces `coll` into a single value using an async `iteratee` to return each
* successive step. `memo` is the initial state of the reduction. This function
* only operates in series.
*
* For performance reasons, it may make sense to split a call to this function
* into a parallel map, and then use the normal `Array.prototype.reduce` on the
* results. This function is for situations where each step in the reduction
* needs to be async; if you can get the data before reducing it, then it's
* probably a good idea to do so.
*
* @name reduce
* @static
* @memberOf module:Collections
* @method
* @alias inject
* @alias foldl
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {*} memo - The initial state of the reduction.
* @param {AsyncFunction} iteratee - A function applied to each item in the
* array to produce the next step in the reduction.
* The `iteratee` should complete with the next state of the reduction.
* If the iteratee complete with an error, the reduction is stopped and the
* main `callback` is immediately called with the error.
* Invoked with (memo, item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result is the reduced value. Invoked with
* (err, result).
* @example
*
* async.reduce([1,2,3], 0, function(memo, item, callback) {
* // pointless async:
* process.nextTick(function() {
* callback(null, memo + item)
* });
* }, function(err, result) {
* // result is now equal to the last value of memo, which is 6
* });
*/
function reduce(coll, memo, iteratee, callback) {
callback = (0, _once2.default)(callback || _noop2.default);
var _iteratee = (0, _wrapAsync2.default)(iteratee);
(0, _eachOfSeries2.default)(coll, function (x, i, callback) {
_iteratee(memo, x, function (err, v) {
memo = v;
callback(err);
});
}, function (err) {
callback(err, memo);
});
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = reduceRight;
var _reduce = require('./reduce');
var _reduce2 = _interopRequireDefault(_reduce);
var _slice = require('./internal/slice');
var _slice2 = _interopRequireDefault(_slice);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Same as [`reduce`]{@link module:Collections.reduce}, only operates on `array` in reverse order.
*
* @name reduceRight
* @static
* @memberOf module:Collections
* @method
* @see [async.reduce]{@link module:Collections.reduce}
* @alias foldr
* @category Collection
* @param {Array} array - A collection to iterate over.
* @param {*} memo - The initial state of the reduction.
* @param {AsyncFunction} iteratee - A function applied to each item in the
* array to produce the next step in the reduction.
* The `iteratee` should complete with the next state of the reduction.
* If the iteratee complete with an error, the reduction is stopped and the
* main `callback` is immediately called with the error.
* Invoked with (memo, item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result is the reduced value. Invoked with
* (err, result).
*/
function reduceRight(array, memo, iteratee, callback) {
var reversed = (0, _slice2.default)(array).reverse();
(0, _reduce2.default)(reversed, memo, iteratee, callback);
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = eachLimit;
var _eachOf = require('./eachOf');
var _eachOf2 = _interopRequireDefault(_eachOf);
var _withoutIndex = require('./internal/withoutIndex');
var _withoutIndex2 = _interopRequireDefault(_withoutIndex);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Applies the function `iteratee` to each item in `coll`, in parallel.
* The `iteratee` is called with an item from the list, and a callback for when
* it has finished. If the `iteratee` passes an error to its `callback`, the
* main `callback` (for the `each` function) is immediately called with the
* error.
*
* Note, that since this function applies `iteratee` to each item in parallel,
* there is no guarantee that the iteratee functions will complete in order.
*
* @name each
* @static
* @memberOf module:Collections
* @method
* @alias forEach
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async function to apply to
* each item in `coll`. Invoked with (item, callback).
* The array index is not passed to the iteratee.
* If you need the index, use `eachOf`.
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
* @example
*
* // assuming openFiles is an array of file names and saveFile is a function
* // to save the modified contents of that file:
*
* async.each(openFiles, saveFile, function(err){
* // if any of the saves produced an error, err would equal that error
* });
*
* // assuming openFiles is an array of file names
* async.each(openFiles, function(file, callback) {
*
* // Perform operation on file here.
* console.log('Processing file ' + file);
*
* if( file.length > 32 ) {
* console.log('This file name is too long');
* callback('File name too long');
* } else {
* // Do work to process file here
* console.log('File processed');
* callback();
* }
* }, function(err) {
* // if any of the file processing produced an error, err would equal that error
* if( err ) {
* // One of the iterations produced an error.
* // All processing will now stop.
* console.log('A file failed to process');
* } else {
* console.log('All files have been processed successfully');
* }
* });
*/
function eachLimit(coll, iteratee, callback) {
(0, _eachOf2.default)(coll, (0, _withoutIndex2.default)((0, _wrapAsync2.default)(iteratee)), callback);
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = eachLimit;
var _eachOfLimit = require('./internal/eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _withoutIndex = require('./internal/withoutIndex');
var _withoutIndex2 = _interopRequireDefault(_withoutIndex);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`each`]{@link module:Collections.each} but runs a maximum of `limit` async operations at a time.
*
* @name eachLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.each]{@link module:Collections.each}
* @alias forEachLimit
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async function to apply to each item in
* `coll`.
* The array index is not passed to the iteratee.
* If you need the index, use `eachOfLimit`.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
*/
function eachLimit(coll, limit, iteratee, callback) {
(0, _eachOfLimit2.default)(limit)(coll, (0, _withoutIndex2.default)((0, _wrapAsync2.default)(iteratee)), callback);
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (coll, iteratee, callback) {
var eachOfImplementation = (0, _isArrayLike2.default)(coll) ? eachOfArrayLike : eachOfGeneric;
eachOfImplementation(coll, (0, _wrapAsync2.default)(iteratee), callback);
};
var _isArrayLike = require('lodash/isArrayLike');
var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
var _breakLoop = require('./internal/breakLoop');
var _breakLoop2 = _interopRequireDefault(_breakLoop);
var _eachOfLimit = require('./eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _once = require('./internal/once');
var _once2 = _interopRequireDefault(_once);
var _onlyOnce = require('./internal/onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
// eachOf implementation optimized for array-likes
function eachOfArrayLike(coll, iteratee, callback) {
callback = (0, _once2.default)(callback || _noop2.default);
var index = 0,
completed = 0,
length = coll.length;
if (length === 0) {
callback(null);
}
function iteratorCallback(err, value) {
if (err) {
callback(err);
} else if (++completed === length || value === _breakLoop2.default) {
callback(null);
}
}
for (; index < length; index++) {
iteratee(coll[index], index, (0, _onlyOnce2.default)(iteratorCallback));
}
}
// a generic version of eachOf which can handle array, object, and iterator cases.
var eachOfGeneric = (0, _doLimit2.default)(_eachOfLimit2.default, Infinity);
/**
* Like [`each`]{@link module:Collections.each}, except that it passes the key (or index) as the second argument
* to the iteratee.
*
* @name eachOf
* @static
* @memberOf module:Collections
* @method
* @alias forEachOf
* @category Collection
* @see [async.each]{@link module:Collections.each}
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - A function to apply to each
* item in `coll`.
* The `key` is the item's key, or index in the case of an array.
* Invoked with (item, key, callback).
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
* @example
*
* var obj = {dev: "/dev.json", test: "/test.json", prod: "/prod.json"};
* var configs = {};
*
* async.forEachOf(obj, function (value, key, callback) {
* fs.readFile(__dirname + value, "utf8", function (err, data) {
* if (err) return callback(err);
* try {
* configs[key] = JSON.parse(data);
* } catch (e) {
* return callback(e);
* }
* callback();
* });
* }, function (err) {
* if (err) console.error(err.message);
* // configs is now a map of JSON data
* doSomethingWith(configs);
* });
*/
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = eachOfLimit;
var _eachOfLimit2 = require('./internal/eachOfLimit');
var _eachOfLimit3 = _interopRequireDefault(_eachOfLimit2);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`eachOf`]{@link module:Collections.eachOf} but runs a maximum of `limit` async operations at a
* time.
*
* @name eachOfLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.eachOf]{@link module:Collections.eachOf}
* @alias forEachOfLimit
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async function to apply to each
* item in `coll`. The `key` is the item's key, or index in the case of an
* array.
* Invoked with (item, key, callback).
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
*/
function eachOfLimit(coll, limit, iteratee, callback) {
(0, _eachOfLimit3.default)(limit)(coll, (0, _wrapAsync2.default)(iteratee), callback);
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _eachOfLimit = require('./eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`eachOf`]{@link module:Collections.eachOf} but runs only a single async operation at a time.
*
* @name eachOfSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.eachOf]{@link module:Collections.eachOf}
* @alias forEachOfSeries
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async function to apply to each item in
* `coll`.
* Invoked with (item, key, callback).
* @param {Function} [callback] - A callback which is called when all `iteratee`
* functions have finished, or an error occurs. Invoked with (err).
*/
exports.default = (0, _doLimit2.default)(_eachOfLimit2.default, 1);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _eachLimit = require('./eachLimit');
var _eachLimit2 = _interopRequireDefault(_eachLimit);
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`each`]{@link module:Collections.each} but runs only a single async operation at a time.
*
* @name eachSeries
* @static
* @memberOf module:Collections
* @method
* @see [async.each]{@link module:Collections.each}
* @alias forEachSeries
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async function to apply to each
* item in `coll`.
* The array index is not passed to the iteratee.
* If you need the index, use `eachOfSeries`.
* Invoked with (item, callback).
* @param {Function} [callback] - A callback which is called when all
* `iteratee` functions have finished, or an error occurs. Invoked with (err).
*/
exports.default = (0, _doLimit2.default)(_eachLimit2.default, 1);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = forever;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _onlyOnce = require('./internal/onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _ensureAsync = require('./ensureAsync');
var _ensureAsync2 = _interopRequireDefault(_ensureAsync);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Calls the asynchronous function `fn` with a callback parameter that allows it
* to call itself again, in series, indefinitely.
* If an error is passed to the callback then `errback` is called with the
* error, and execution stops, otherwise it will never be called.
*
* @name forever
* @static
* @memberOf module:ControlFlow
* @method
* @category Control Flow
* @param {AsyncFunction} fn - an async function to call repeatedly.
* Invoked with (next).
* @param {Function} [errback] - when `fn` passes an error to it's callback,
* this function will be called, and execution stops. Invoked with (err).
* @example
*
* async.forever(
* function(next) {
* // next is suitable for passing to things that need a callback(err [, whatever]);
* // it will result in this function being called again.
* },
* function(err) {
* // if next is called with a value in its first parameter, it will appear
* // in here as 'err', and execution will stop.
* }
* );
*/
function forever(fn, errback) {
var done = (0, _onlyOnce2.default)(errback || _noop2.default);
var task = (0, _wrapAsync2.default)((0, _ensureAsync2.default)(fn));
function next(err) {
if (err) return done(err);
task(next);
}
next();
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
var _groupByLimit = require('./groupByLimit');
var _groupByLimit2 = _interopRequireDefault(_groupByLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Returns a new object, where each value corresponds to an array of items, from
* `coll`, that returned the corresponding key. That is, the keys of the object
* correspond to the values passed to the `iteratee` callback.
*
* Note: Since this function applies the `iteratee` to each item in parallel,
* there is no guarantee that the `iteratee` functions will complete in order.
* However, the values for each key in the `result` will be in the same order as
* the original `coll`. For Objects, the values will roughly be in the order of
* the original Objects' keys (but this can vary across JavaScript engines).
*
* @name groupBy
* @static
* @memberOf module:Collections
* @method
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {AsyncFunction} iteratee - An async function to apply to each item in
* `coll`.
* The iteratee should complete with a `key` to group the value under.
* Invoked with (value, callback).
* @param {Function} [callback] - A callback which is called when all `iteratee`
* functions have finished, or an error occurs. Result is an `Object` whoses
* properties are arrays of values which returned the corresponding key.
* @example
*
* async.groupBy(['userId1', 'userId2', 'userId3'], function(userId, callback) {
* db.findById(userId, function(err, user) {
* if (err) return callback(err);
* return callback(null, user.age);
* });
* }, function(err, result) {
* // result is object containing the userIds grouped by age
* // e.g. { 30: ['userId1', 'userId3'], 42: ['userId2']};
* });
*/
exports.default = (0, _doLimit2.default)(_groupByLimit2.default, Infinity);
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (coll, limit, iteratee, callback) {
callback = callback || _noop2.default;
var _iteratee = (0, _wrapAsync2.default)(iteratee);
(0, _mapLimit2.default)(coll, limit, function (val, callback) {
_iteratee(val, function (err, key) {
if (err) return callback(err);
return callback(null, { key: key, val: val });
});
}, function (err, mapResults) {
var result = {};
// from MDN, handle object having an `hasOwnProperty` prop
var hasOwnProperty = Object.prototype.hasOwnProperty;
for (var i = 0; i < mapResults.length; i++) {
if (mapResults[i]) {
var key = mapResults[i].key;
var val = mapResults[i].val;
if (hasOwnProperty.call(result, key)) {
result[key].push(val);
} else {
result[key] = [val];
}
}
}
return callback(err, result);
});
};
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _mapLimit = require('./mapLimit');
var _mapLimit2 = _interopRequireDefault(_mapLimit);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
;
/**
* The same as [`groupBy`]{@link module:Collections.groupBy} but runs a maximum of `limit` async operations at a time.
*
* @name groupByLimit
* @static
* @memberOf module:Collections
* @method
* @see [async.groupBy]{@link module:Collections.groupBy}
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async function to apply to each item in
* `coll`.
* The iteratee should complete with a `key` to group the value under.
* Invoked with (value, callback).
* @param {Function} [callback] - A callback which is called when all `iteratee`
* functions have finished, or an error occurs. Result is an `Object` whoses
* properties are arrays of values which returned the corresponding key.
*/
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _doLimit = require('./internal/doLimit');
var _doLimit2 = _interopRequireDefault(_doLimit);
var _groupByLimit = require('./groupByLimit');
var _groupByLimit2 = _interopRequireDefault(_groupByLimit);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* The same as [`groupBy`]{@link module:Collections.groupBy} but runs only a single async operation at a time.
*
* @name groupBySeries
* @static
* @memberOf module:Collections
* @method
* @see [async.groupBy]{@link module:Collections.groupBy}
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {number} limit - The maximum number of async operations at a time.
* @param {AsyncFunction} iteratee - An async function to apply to each item in
* `coll`.
* The iteratee should complete with a `key` to group the value under.
* Invoked with (value, callback).
* @param {Function} [callback] - A callback which is called when all `iteratee`
* functions have finished, or an error occurs. Result is an `Object` whoses
* properties are arrays of values which returned the corresponding key.
*/
exports.default = (0, _doLimit2.default)(_groupByLimit2.default, 1);
module.exports = exports['default'];
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This diff is collapsed. Click to expand it.
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = reduce;
var _eachOfSeries = require('./eachOfSeries');
var _eachOfSeries2 = _interopRequireDefault(_eachOfSeries);
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _once = require('./internal/once');
var _once2 = _interopRequireDefault(_once);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Reduces `coll` into a single value using an async `iteratee` to return each
* successive step. `memo` is the initial state of the reduction. This function
* only operates in series.
*
* For performance reasons, it may make sense to split a call to this function
* into a parallel map, and then use the normal `Array.prototype.reduce` on the
* results. This function is for situations where each step in the reduction
* needs to be async; if you can get the data before reducing it, then it's
* probably a good idea to do so.
*
* @name reduce
* @static
* @memberOf module:Collections
* @method
* @alias inject
* @alias foldl
* @category Collection
* @param {Array|Iterable|Object} coll - A collection to iterate over.
* @param {*} memo - The initial state of the reduction.
* @param {AsyncFunction} iteratee - A function applied to each item in the
* array to produce the next step in the reduction.
* The `iteratee` should complete with the next state of the reduction.
* If the iteratee complete with an error, the reduction is stopped and the
* main `callback` is immediately called with the error.
* Invoked with (memo, item, callback).
* @param {Function} [callback] - A callback which is called after all the
* `iteratee` functions have finished. Result is the reduced value. Invoked with
* (err, result).
* @example
*
* async.reduce([1,2,3], 0, function(memo, item, callback) {
* // pointless async:
* process.nextTick(function() {
* callback(null, memo + item)
* });
* }, function(err, result) {
* // result is now equal to the last value of memo, which is 6
* });
*/
function reduce(coll, memo, iteratee, callback) {
callback = (0, _once2.default)(callback || _noop2.default);
var _iteratee = (0, _wrapAsync2.default)(iteratee);
(0, _eachOfSeries2.default)(coll, function (x, i, callback) {
_iteratee(memo, x, function (err, v) {
memo = v;
callback(err);
});
}, function (err) {
callback(err, memo);
});
}
module.exports = exports['default'];
\ No newline at end of file
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = DLL;
// Simple doubly linked list (https://en.wikipedia.org/wiki/Doubly_linked_list) implementation
// used for queues. This implementation assumes that the node provided by the user can be modified
// to adjust the next and last properties. We implement only the minimal functionality
// for queue support.
function DLL() {
this.head = this.tail = null;
this.length = 0;
}
function setInitial(dll, node) {
dll.length = 1;
dll.head = dll.tail = node;
}
DLL.prototype.removeLink = function (node) {
if (node.prev) node.prev.next = node.next;else this.head = node.next;
if (node.next) node.next.prev = node.prev;else this.tail = node.prev;
node.prev = node.next = null;
this.length -= 1;
return node;
};
DLL.prototype.empty = function () {
while (this.head) this.shift();
return this;
};
DLL.prototype.insertAfter = function (node, newNode) {
newNode.prev = node;
newNode.next = node.next;
if (node.next) node.next.prev = newNode;else this.tail = newNode;
node.next = newNode;
this.length += 1;
};
DLL.prototype.insertBefore = function (node, newNode) {
newNode.prev = node.prev;
newNode.next = node;
if (node.prev) node.prev.next = newNode;else this.head = newNode;
node.prev = newNode;
this.length += 1;
};
DLL.prototype.unshift = function (node) {
if (this.head) this.insertBefore(this.head, node);else setInitial(this, node);
};
DLL.prototype.push = function (node) {
if (this.tail) this.insertAfter(this.tail, node);else setInitial(this, node);
};
DLL.prototype.shift = function () {
return this.head && this.removeLink(this.head);
};
DLL.prototype.pop = function () {
return this.tail && this.removeLink(this.tail);
};
DLL.prototype.toArray = function () {
var arr = Array(this.length);
var curr = this.head;
for (var idx = 0; idx < this.length; idx++) {
arr[idx] = curr.data;
curr = curr.next;
}
return arr;
};
DLL.prototype.remove = function (testFn) {
var curr = this.head;
while (!!curr) {
var next = curr.next;
if (testFn(curr)) {
this.removeLink(curr);
}
curr = next;
}
return this;
};
module.exports = exports["default"];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = applyEach;
var _slice = require('./slice');
var _slice2 = _interopRequireDefault(_slice);
var _initialParams = require('./initialParams');
var _initialParams2 = _interopRequireDefault(_initialParams);
var _wrapAsync = require('./wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function applyEach(eachfn) {
return function (fns /*, ...args*/) {
var args = (0, _slice2.default)(arguments, 1);
var go = (0, _initialParams2.default)(function (args, callback) {
var that = this;
return eachfn(fns, function (fn, cb) {
(0, _wrapAsync2.default)(fn).apply(that, args.concat(cb));
}, callback);
});
if (args.length) {
return go.apply(this, args);
} else {
return go;
}
};
}
module.exports = exports['default'];
\ No newline at end of file
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
// A temporary value used to identify if the loop should be broken.
// See #1064, #1293
exports.default = {};
module.exports = exports["default"];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = consoleFunc;
var _arrayEach = require('lodash/_arrayEach');
var _arrayEach2 = _interopRequireDefault(_arrayEach);
var _slice = require('./slice');
var _slice2 = _interopRequireDefault(_slice);
var _wrapAsync = require('./wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function consoleFunc(name) {
return function (fn /*, ...args*/) {
var args = (0, _slice2.default)(arguments, 1);
args.push(function (err /*, ...args*/) {
var args = (0, _slice2.default)(arguments, 1);
if (typeof console === 'object') {
if (err) {
if (console.error) {
console.error(err);
}
} else if (console[name]) {
(0, _arrayEach2.default)(args, function (x) {
console[name](x);
});
}
}
});
(0, _wrapAsync2.default)(fn).apply(null, args);
};
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _createTester;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _breakLoop = require('./breakLoop');
var _breakLoop2 = _interopRequireDefault(_breakLoop);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _createTester(check, getResult) {
return function (eachfn, arr, iteratee, cb) {
cb = cb || _noop2.default;
var testPassed = false;
var testResult;
eachfn(arr, function (value, _, callback) {
iteratee(value, function (err, result) {
if (err) {
callback(err);
} else if (check(result) && !testResult) {
testPassed = true;
testResult = getResult(true, value);
callback(null, _breakLoop2.default);
} else {
callback();
}
});
}, function (err) {
if (err) {
cb(err);
} else {
cb(null, testPassed ? testResult : getResult(false));
}
});
};
}
module.exports = exports['default'];
\ No newline at end of file
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = doLimit;
function doLimit(fn, limit) {
return function (iterable, iteratee, callback) {
return fn(iterable, limit, iteratee, callback);
};
}
module.exports = exports["default"];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = doParallel;
var _eachOf = require('../eachOf');
var _eachOf2 = _interopRequireDefault(_eachOf);
var _wrapAsync = require('./wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function doParallel(fn) {
return function (obj, iteratee, callback) {
return fn(_eachOf2.default, obj, (0, _wrapAsync2.default)(iteratee), callback);
};
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = doParallelLimit;
var _eachOfLimit = require('./eachOfLimit');
var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
var _wrapAsync = require('./wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function doParallelLimit(fn) {
return function (obj, limit, iteratee, callback) {
return fn((0, _eachOfLimit2.default)(limit), obj, (0, _wrapAsync2.default)(iteratee), callback);
};
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _eachOfLimit;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _once = require('./once');
var _once2 = _interopRequireDefault(_once);
var _iterator = require('./iterator');
var _iterator2 = _interopRequireDefault(_iterator);
var _onlyOnce = require('./onlyOnce');
var _onlyOnce2 = _interopRequireDefault(_onlyOnce);
var _breakLoop = require('./breakLoop');
var _breakLoop2 = _interopRequireDefault(_breakLoop);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _eachOfLimit(limit) {
return function (obj, iteratee, callback) {
callback = (0, _once2.default)(callback || _noop2.default);
if (limit <= 0 || !obj) {
return callback(null);
}
var nextElem = (0, _iterator2.default)(obj);
var done = false;
var running = 0;
var looping = false;
function iterateeCallback(err, value) {
running -= 1;
if (err) {
done = true;
callback(err);
} else if (value === _breakLoop2.default || done && running <= 0) {
done = true;
return callback(null);
} else if (!looping) {
replenish();
}
}
function replenish() {
looping = true;
while (running < limit && !done) {
var elem = nextElem();
if (elem === null) {
done = true;
if (running <= 0) {
callback(null);
}
return;
}
running += 1;
iteratee(elem.value, elem.key, (0, _onlyOnce2.default)(iterateeCallback));
}
looping = false;
}
replenish();
};
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _filter;
var _arrayMap = require('lodash/_arrayMap');
var _arrayMap2 = _interopRequireDefault(_arrayMap);
var _isArrayLike = require('lodash/isArrayLike');
var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
var _baseProperty = require('lodash/_baseProperty');
var _baseProperty2 = _interopRequireDefault(_baseProperty);
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _wrapAsync = require('./wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function filterArray(eachfn, arr, iteratee, callback) {
var truthValues = new Array(arr.length);
eachfn(arr, function (x, index, callback) {
iteratee(x, function (err, v) {
truthValues[index] = !!v;
callback(err);
});
}, function (err) {
if (err) return callback(err);
var results = [];
for (var i = 0; i < arr.length; i++) {
if (truthValues[i]) results.push(arr[i]);
}
callback(null, results);
});
}
function filterGeneric(eachfn, coll, iteratee, callback) {
var results = [];
eachfn(coll, function (x, index, callback) {
iteratee(x, function (err, v) {
if (err) {
callback(err);
} else {
if (v) {
results.push({ index: index, value: x });
}
callback();
}
});
}, function (err) {
if (err) {
callback(err);
} else {
callback(null, (0, _arrayMap2.default)(results.sort(function (a, b) {
return a.index - b.index;
}), (0, _baseProperty2.default)('value')));
}
});
}
function _filter(eachfn, coll, iteratee, callback) {
var filter = (0, _isArrayLike2.default)(coll) ? filterArray : filterGeneric;
filter(eachfn, coll, (0, _wrapAsync2.default)(iteratee), callback || _noop2.default);
}
module.exports = exports['default'];
\ No newline at end of file
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _findGetResult;
function _findGetResult(v, x) {
return x;
}
module.exports = exports["default"];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (coll) {
return iteratorSymbol && coll[iteratorSymbol] && coll[iteratorSymbol]();
};
var iteratorSymbol = typeof Symbol === 'function' && Symbol.iterator;
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (fn) {
return function () /*...args, callback*/{
var args = (0, _slice2.default)(arguments);
var callback = args.pop();
fn.call(this, args, callback);
};
};
var _slice = require('./slice');
var _slice2 = _interopRequireDefault(_slice);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = iterator;
var _isArrayLike = require('lodash/isArrayLike');
var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
var _getIterator = require('./getIterator');
var _getIterator2 = _interopRequireDefault(_getIterator);
var _keys = require('lodash/keys');
var _keys2 = _interopRequireDefault(_keys);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function createArrayIterator(coll) {
var i = -1;
var len = coll.length;
return function next() {
return ++i < len ? { value: coll[i], key: i } : null;
};
}
function createES2015Iterator(iterator) {
var i = -1;
return function next() {
var item = iterator.next();
if (item.done) return null;
i++;
return { value: item.value, key: i };
};
}
function createObjectIterator(obj) {
var okeys = (0, _keys2.default)(obj);
var i = -1;
var len = okeys.length;
return function next() {
var key = okeys[++i];
return i < len ? { value: obj[key], key: key } : null;
};
}
function iterator(coll) {
if ((0, _isArrayLike2.default)(coll)) {
return createArrayIterator(coll);
}
var iterator = (0, _getIterator2.default)(coll);
return iterator ? createES2015Iterator(iterator) : createObjectIterator(coll);
}
module.exports = exports['default'];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _asyncMap;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _wrapAsync = require('./wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _asyncMap(eachfn, arr, iteratee, callback) {
callback = callback || _noop2.default;
arr = arr || [];
var results = [];
var counter = 0;
var _iteratee = (0, _wrapAsync2.default)(iteratee);
eachfn(arr, function (value, _, callback) {
var index = counter++;
_iteratee(value, function (err, v) {
results[index] = v;
callback(err);
});
}, function (err) {
callback(err, results);
});
}
module.exports = exports['default'];
\ No newline at end of file
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = notId;
function notId(v) {
return !v;
}
module.exports = exports["default"];
\ No newline at end of file
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = once;
function once(fn) {
return function () {
if (fn === null) return;
var callFn = fn;
fn = null;
callFn.apply(this, arguments);
};
}
module.exports = exports["default"];
\ No newline at end of file
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = onlyOnce;
function onlyOnce(fn) {
return function () {
if (fn === null) throw new Error("Callback was already called.");
var callFn = fn;
fn = null;
callFn.apply(this, arguments);
};
}
module.exports = exports["default"];
\ No newline at end of file
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = _parallel;
var _noop = require('lodash/noop');
var _noop2 = _interopRequireDefault(_noop);
var _isArrayLike = require('lodash/isArrayLike');
var _isArrayLike2 = _interopRequireDefault(_isArrayLike);
var _slice = require('./slice');
var _slice2 = _interopRequireDefault(_slice);
var _wrapAsync = require('./wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _parallel(eachfn, tasks, callback) {
callback = callback || _noop2.default;
var results = (0, _isArrayLike2.default)(tasks) ? [] : {};
eachfn(tasks, function (task, key, callback) {
(0, _wrapAsync2.default)(task)(function (err, result) {
if (arguments.length > 2) {
result = (0, _slice2.default)(arguments, 1);
}
results[key] = result;
callback(err);
});
}, function (err) {
callback(err, results);
});
}
module.exports = exports['default'];
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