mirror of https://github.com/webpack/webpack.git
72 lines
2.5 KiB
JavaScript
72 lines
2.5 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 ContextReplacementPlugin(resourceRegExp, newContentResource, newContentRecursive, newContentRegExp) {
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this.resourceRegExp = resourceRegExp;
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if(typeof newContentResource === "function") {
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this.newContentCallback = newContentResource;
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} else {
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if(typeof newContentResource !== "string") {
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newContentRegExp = newContentRecursive;
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newContentRecursive = newContentResource;
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newContentResource = undefined;
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}
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if(typeof newContentRecursive !== "boolean") {
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newContentRegExp = newContentRecursive;
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newContentRecursive = undefined;
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}
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this.newContentResource = newContentResource;
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this.newContentRecursive = newContentRecursive;
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this.newContentRegExp = newContentRegExp;
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}
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}
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module.exports = ContextReplacementPlugin;
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ContextReplacementPlugin.prototype.apply = function(compiler) {
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var resourceRegExp = this.resourceRegExp;
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var newContentCallback = this.newContentCallback;
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var newContentResource = this.newContentResource;
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var newContentRecursive = this.newContentRecursive;
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var newContentRegExp = this.newContentRegExp;
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compiler.plugin("context-module-factory", function(cmf) {
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cmf.plugin("before-resolve", function(result, callback) {
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if(!result) return callback();
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if(resourceRegExp.test(result.request)) {
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if(typeof newContentCallback === "function") {
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newContentCallback(result);
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} else {
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if(typeof newContentResource !== "undefined")
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result.request = newContentResource;
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if(typeof newContentRecursive !== "undefined")
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result.recursive = newContentRecursive;
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if(typeof newContentRegExp !== "undefined")
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result.regExp = newContentRegExp;
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}
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}
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return callback(null, result);
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});
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cmf.plugin("after-resolve", function(result, callback) {
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if(!result) return callback();
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if(resourceRegExp.test(result.resource)) {
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if(typeof newContentCallback === "function") {
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var origResource = result.resource;
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newContentCallback(result);
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if(result.resource !== origResource) {
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result.resource = path.resolve(origResource, result.resource);
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}
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} else {
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if(typeof newContentResource !== "undefined")
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result.resource = path.resolve(result.resource, newContentResource);
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if(typeof newContentRecursive !== "undefined")
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result.recursive = newContentRecursive;
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if(typeof newContentRegExp !== "undefined")
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result.regExp = newContentRegExp;
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}
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}
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return callback(null, result);
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});
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});
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};
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