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Edit File: EvalSourceMapDevToolModuleTemplatePlugin.js

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

const RawSource = require("webpack-sources").RawSource;
const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");

class EvalSourceMapDevToolModuleTemplatePlugin {
	constructor(compilation, options) {
		this.compilation = compilation;
		this.sourceMapComment = options.append || "//# sourceURL=[module]\n//# sourceMappingURL=[url]";
		this.moduleFilenameTemplate = options.moduleFilenameTemplate || "webpack:///[resource-path]?[hash]";
		this.options = options;
	}

apply(moduleTemplate) {
		const self = this;
		const options = this.options;
		moduleTemplate.plugin("module", function(source, module) {
			if(source.__EvalSourceMapDevToolData)
				return source.__EvalSourceMapDevToolData;
			let sourceMap;
			let content;
			if(source.sourceAndMap) {
				const sourceAndMap = source.sourceAndMap(options);
				sourceMap = sourceAndMap.map;
				content = sourceAndMap.source;
			} else {
				sourceMap = source.map(options);
				content = source.source();
			}
			if(!sourceMap) {
				return source;
			}

// Clone (flat) the sourcemap to ensure that the mutations below do not persist.
			sourceMap = Object.keys(sourceMap).reduce(function(obj, key) {
				obj[key] = sourceMap[key];
				return obj;
			}, {});
			const modules = sourceMap.sources.map(function(source) {
				const module = self.compilation.findModule(source);
				return module || source;
			});
			let moduleFilenames = modules.map(function(module) {
				return ModuleFilenameHelpers.createFilename(module, self.moduleFilenameTemplate, this.requestShortener);
			}, this);
			moduleFilenames = ModuleFilenameHelpers.replaceDuplicates(moduleFilenames, function(filename, i, n) {
				for(let j = 0; j < n; j++)
					filename += "*";
				return filename;
			});
			sourceMap.sources = moduleFilenames;
			if(sourceMap.sourcesContent) {
				sourceMap.sourcesContent = sourceMap.sourcesContent.map(function(content, i) {
					return typeof content === "string" ? `${content}\n\n\n${ModuleFilenameHelpers.createFooter(modules[i], this.requestShortener)}` : null;
				}, this);
			}
			sourceMap.sourceRoot = options.sourceRoot || "";
			sourceMap.file = `${module.id}.js`;

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