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Edit File: LoaderPlugin.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
"use strict";

const LoaderDependency = require("./LoaderDependency");

class LoaderPlugin {

apply(compiler) {
		compiler.plugin("compilation", (compilation, params) => {
			const normalModuleFactory = params.normalModuleFactory;

compilation.dependencyFactories.set(LoaderDependency, normalModuleFactory);
		});
		compiler.plugin("compilation", (compilation) => {
			compilation.plugin("normal-module-loader", (loaderContext, module) => {
				loaderContext.loadModule = function loadModule(request, callback) {
					const dep = new LoaderDependency(request);
					dep.loc = request;
					compilation.addModuleDependencies(module, [
						[dep]
					], true, "lm", false, (err) => {
						if(err) return callback(err);

if(!dep.module) return callback(new Error("Cannot load the module"));
						if(dep.module.building) dep.module.building.push(next);
						else next();

function next(err) {
							if(err) return callback(err);

if(dep.module.error) return callback(dep.module.error);
							if(!dep.module._source) throw new Error("The module created for a LoaderDependency must have a property _source");
							let source, map;
							const moduleSource = dep.module._source;
							if(moduleSource.sourceAndMap) {
								const sourceAndMap = moduleSource.sourceAndMap();
								map = sourceAndMap.map;
								source = sourceAndMap.source;
							} else {
								map = moduleSource.map();
								source = moduleSource.source();
							}
							if(dep.module.fileDependencies) {
								dep.module.fileDependencies.forEach((dep) => loaderContext.addDependency(dep));
							}
							if(dep.module.contextDependencies) {
								dep.module.contextDependencies.forEach((dep) => loaderContext.addContextDependency(dep));
							}
							return callback(null, source, map, dep.module);
						}
					});
				};
			});
		});
	}
}
module.exports = LoaderPlugin;

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