64 lines
2.2 KiB
JavaScript
64 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 RequireContextDependency = require("./RequireContextDependency");
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var ContextElementDependency = require("./ContextElementDependency");
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var RequireContextDependencyParserPlugin = require("./RequireContextDependencyParserPlugin");
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function RequireContextPlugin(modulesDirectories, extensions) {
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this.modulesDirectories = modulesDirectories;
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this.extensions = extensions;
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}
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module.exports = RequireContextPlugin;
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RequireContextPlugin.prototype.apply = function(compiler) {
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var modulesDirectories = this.modulesDirectories;
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var extensions = this.extensions;
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compiler.plugin("compilation", function(compilation, params) {
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var contextModuleFactory = params.contextModuleFactory;
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var normalModuleFactory = params.normalModuleFactory;
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compilation.dependencyFactories.set(RequireContextDependency, contextModuleFactory);
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compilation.dependencyTemplates.set(RequireContextDependency, new RequireContextDependency.Template());
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compilation.dependencyFactories.set(ContextElementDependency, normalModuleFactory);
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});
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compiler.plugin("context-module-factory", function(cmf) {
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cmf.plugin("alternatives", function(items, callback) {
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if(items.length == 0) return callback(null, items);
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callback(null, items.map(function(obj) {
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return extensions.filter(function(ext) {
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var l = obj.request.length;
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return (l > ext.length && obj.request.substr(l - ext.length, l) == ext);
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}).map(function(ext) {
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var l = obj.request.length;
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return {
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context: obj.context,
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request: obj.request.substr(0, l - ext.length)
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}
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});
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}).reduce(function(a, b) {
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return a.concat(b);
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}, []));
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});
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cmf.plugin("alternatives", function(items, callback) {
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if(items.length == 0) return callback(null, items);
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callback(null, items.map(function(obj) {
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for(var i = 0; i < modulesDirectories.length; i++) {
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var dir = modulesDirectories[i];
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var idx = obj.request.indexOf("/" + dir + "/");
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if(idx >= 0) {
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obj.request = obj.request.slice(idx+dir.length+2);
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break;
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}
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}
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return obj;
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}));
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});
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});
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new RequireContextDependencyParserPlugin().apply(compiler.parser);
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}; |