61 lines
2.0 KiB
JavaScript
61 lines
2.0 KiB
JavaScript
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/*
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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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"use strict";
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const LoaderDependency = require("./LoaderDependency");
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class LoaderPlugin {
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apply(compiler) {
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compiler.plugin("compilation", (compilation, params) => {
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const normalModuleFactory = params.normalModuleFactory;
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compilation.dependencyFactories.set(LoaderDependency, normalModuleFactory);
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});
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compiler.plugin("compilation", (compilation) => {
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compilation.plugin("normal-module-loader", (loaderContext, module) => {
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loaderContext.loadModule = function loadModule(request, callback) {
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const dep = new LoaderDependency(request);
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dep.loc = request;
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compilation.addModuleDependencies(module, [
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[dep]
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], true, "lm", false, (err) => {
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if(err) return callback(err);
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if(!dep.module) return callback(new Error("Cannot load the module"));
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if(dep.module.building) dep.module.building.push(next);
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else next();
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function next(err) {
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if(err) return callback(err);
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if(dep.module.error) return callback(dep.module.error);
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if(!dep.module._source) throw new Error("The module created for a LoaderDependency must have a property _source");
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let source, map;
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const moduleSource = dep.module._source;
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if(moduleSource.sourceAndMap) {
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const sourceAndMap = moduleSource.sourceAndMap();
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map = sourceAndMap.map;
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source = sourceAndMap.source;
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} else {
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map = moduleSource.map();
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source = moduleSource.source();
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}
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if(dep.module.fileDependencies) {
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dep.module.fileDependencies.forEach((dep) => loaderContext.addDependency(dep));
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}
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if(dep.module.contextDependencies) {
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dep.module.contextDependencies.forEach((dep) => loaderContext.addContextDependency(dep));
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}
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return callback(null, source, map, dep.module);
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}
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});
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};
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});
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});
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}
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}
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module.exports = LoaderPlugin;
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