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node_modules/webpack/lib/EvalSourceMapDevToolModuleTemplatePlugin.js

@@ -4,72 +4,112 @@
 */
 "use strict";
 
-const RawSource = require("webpack-sources").RawSource;
+const { RawSource } = require("webpack-sources");
 const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
 
+const cache = new WeakMap();
+
 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.sourceMapComment =
+			options.append || "//# sourceURL=[module]\n//# sourceMappingURL=[url]";
+		this.moduleFilenameTemplate =
+			options.moduleFilenameTemplate ||
+			"webpack://[namespace]/[resource-path]?[hash]";
+		this.namespace = options.namespace || "";
 		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;
-			}
+		const matchModule = ModuleFilenameHelpers.matchObject.bind(
+			ModuleFilenameHelpers,
+			options
+		);
+		moduleTemplate.hooks.module.tap(
+			"EvalSourceMapDevToolModuleTemplatePlugin",
+			(source, module) => {
+				const cachedSource = cache.get(source);
+				if (cachedSource !== undefined) {
+					return cachedSource;
+				}
 
-			// 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`;
+				if (!matchModule(module.resource)) {
+					return source;
+				}
 
-			const footer = self.sourceMapComment.replace(/\[url\]/g, `data:application/json;charset=utf-8;base64,${new Buffer(JSON.stringify(sourceMap), "utf8").toString("base64")}`) + //eslint-disable-line
-				`\n//# sourceURL=webpack-internal:///${module.id}\n`; // workaround for chrome bug
-			source.__EvalSourceMapDevToolData = new RawSource(`eval(${JSON.stringify(content + footer)});`);
-			return source.__EvalSourceMapDevToolData;
-		});
-		moduleTemplate.plugin("hash", function(hash) {
-			hash.update("eval-source-map");
-			hash.update("2");
-		});
+				/** @type {{ [key: string]: TODO; }} */
+				let sourceMap;
+				let content;
+				if (source.sourceAndMap) {
+					const sourceAndMap = source.sourceAndMap(options);
+					sourceMap = sourceAndMap.map;
+					content = sourceAndMap.source;
+				} else {
+					sourceMap = source.map(options);
+					content = source.source();
+				}
+				if (!sourceMap) {
+					return source;
+				}
+
+				// Clone (flat) the sourcemap to ensure that the mutations below do not persist.
+				sourceMap = Object.keys(sourceMap).reduce((obj, key) => {
+					obj[key] = sourceMap[key];
+					return obj;
+				}, {});
+				const modules = sourceMap.sources.map(source => {
+					const module = self.compilation.findModule(source);
+					return module || source;
+				});
+				let moduleFilenames = modules.map(module => {
+					return ModuleFilenameHelpers.createFilename(
+						module,
+						{
+							moduleFilenameTemplate: self.moduleFilenameTemplate,
+							namespace: self.namespace
+						},
+						moduleTemplate.runtimeTemplate.requestShortener
+					);
+				});
+				moduleFilenames = ModuleFilenameHelpers.replaceDuplicates(
+					moduleFilenames,
+					(filename, i, n) => {
+						for (let j = 0; j < n; j++) filename += "*";
+						return filename;
+					}
+				);
+				sourceMap.sources = moduleFilenames;
+				sourceMap.sourceRoot = options.sourceRoot || "";
+				sourceMap.file = `${module.id}.js`;
+
+				const footer =
+					self.sourceMapComment.replace(
+						/\[url\]/g,
+						`data:application/json;charset=utf-8;base64,${Buffer.from(
+							JSON.stringify(sourceMap),
+							"utf8"
+						).toString("base64")}`
+					) + `\n//# sourceURL=webpack-internal:///${module.id}\n`; // workaround for chrome bug
+
+				const evalSource = new RawSource(
+					`eval(${JSON.stringify(content + footer)});`
+				);
+
+				cache.set(source, evalSource);
+
+				return evalSource;
+			}
+		);
+		moduleTemplate.hooks.hash.tap(
+			"EvalSourceMapDevToolModuleTemplatePlugin",
+			hash => {
+				hash.update("eval-source-map");
+				hash.update("2");
+			}
+		);
 	}
 }
 module.exports = EvalSourceMapDevToolModuleTemplatePlugin;