index.js
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"use strict";
/**
* A minimal path module to resolve Unix, Windows and URL paths alike.
* @memberof util
* @namespace
*/
var path = exports;
var isAbsolute =
/**
* Tests if the specified path is absolute.
* @param {string} path Path to test
* @returns {boolean} `true` if path is absolute
*/
path.isAbsolute = function isAbsolute(path) {
return /^(?:\/|\w+:)/.test(path);
};
var normalize =
/**
* Normalizes the specified path.
* @param {string} path Path to normalize
* @returns {string} Normalized path
*/
path.normalize = function normalize(path) {
path = path.replace(/\\/g, "/")
.replace(/\/{2,}/g, "/");
var parts = path.split("/"),
absolute = isAbsolute(path),
prefix = "";
if (absolute)
prefix = parts.shift() + "/";
for (var i = 0; i < parts.length;) {
if (parts[i] === "..") {
if (i > 0 && parts[i - 1] !== "..")
parts.splice(--i, 2);
else if (absolute)
parts.splice(i, 1);
else
++i;
} else if (parts[i] === ".")
parts.splice(i, 1);
else
++i;
}
return prefix + parts.join("/");
};
/**
* Resolves the specified include path against the specified origin path.
* @param {string} originPath Path to the origin file
* @param {string} includePath Include path relative to origin path
* @param {boolean} [alreadyNormalized=false] `true` if both paths are already known to be normalized
* @returns {string} Path to the include file
*/
path.resolve = function resolve(originPath, includePath, alreadyNormalized) {
if (!alreadyNormalized)
includePath = normalize(includePath);
if (isAbsolute(includePath))
return includePath;
if (!alreadyNormalized)
originPath = normalize(originPath);
return (originPath = originPath.replace(/(?:\/|^)[^/]+$/, "")).length ? normalize(originPath + "/" + includePath) : includePath;
};