mirror of https://github.com/webpack/webpack.git
56 lines
2.2 KiB
JavaScript
56 lines
2.2 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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var path = require("path");
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function RequestShortener(directory) {
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var parentDirectory = path.dirname(directory);
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if(/[\/\\]$/.test(directory)) directory = directory.substr(0, directory.length - 1);
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if(directory) {
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var currentDirectoryRegExp = directory.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
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currentDirectoryRegExp = new RegExp("^" + currentDirectoryRegExp + "|(!)" + currentDirectoryRegExp, "g");
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this.currentDirectoryRegExp = currentDirectoryRegExp;
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}
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if(/[\/\\]$/.test(parentDirectory)) parentDirectory = parentDirectory.substr(0, parentDirectory.length - 1);
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if(parentDirectory && parentDirectory !== directory) {
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var parentDirectoryRegExp = parentDirectory.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
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parentDirectoryRegExp = new RegExp("^" + parentDirectoryRegExp + "|(!)" + parentDirectoryRegExp, "g");
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this.parentDirectoryRegExp = parentDirectoryRegExp;
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}
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if(__dirname.length >= 2) {
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var buildins = path.join(__dirname, "..");
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var buildinsAsModule = currentDirectoryRegExp && currentDirectoryRegExp.test(buildins);
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var buildinsRegExp = buildins.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
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buildinsRegExp = new RegExp("^" + buildinsRegExp + "|(!)" + buildinsRegExp, "g");
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this.buildinsAsModule = buildinsAsModule;
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this.buildinsRegExp = buildinsRegExp;
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}
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this.nodeModulesRegExp = /\/node_modules\//g;
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this.indexJsRegExp = /\/index.js(!|\?|\(query\))/g;
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}
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module.exports = RequestShortener;
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RequestShortener.prototype.shorten = function(request) {
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if(!request)
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return request;
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if(this.buildinsAsModule && this.buildinsRegExp)
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request = request.replace(this.buildinsRegExp, "!(webpack)");
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if(this.currentDirectoryRegExp)
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request = request.replace(this.currentDirectoryRegExp, "!.");
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if(this.parentDirectoryRegExp)
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request = request.replace(this.parentDirectoryRegExp, "!..");
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if(!this.buildinsAsModule && this.buildinsRegExp)
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request = request.replace(this.buildinsRegExp, "!(webpack)");
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request = request.replace(/\\/g, "/");
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request = request.replace(this.nodeModulesRegExp, "/~/");
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request = request.replace(this.indexJsRegExp, "$1");
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return request.replace(/^!|!$/, "");
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};
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