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app_vue/node_modules/webpack/lib/EvalSourceMapDevToolPlugin.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const { ConcatSource, RawSource } = require("webpack-sources");
+const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
+const NormalModule = require("./NormalModule");
+const RuntimeGlobals = require("./RuntimeGlobals");
+const SourceMapDevToolModuleOptionsPlugin = require("./SourceMapDevToolModuleOptionsPlugin");
+const JavascriptModulesPlugin = require("./javascript/JavascriptModulesPlugin");
+const ConcatenatedModule = require("./optimize/ConcatenatedModule");
+const generateDebugId = require("./util/generateDebugId");
+const { makePathsAbsolute } = require("./util/identifier");
+
+/** @typedef {import("webpack-sources").Source} Source */
+/** @typedef {import("../declarations/WebpackOptions").DevTool} DevToolOptions */
+/** @typedef {import("../declarations/plugins/SourceMapDevToolPlugin").SourceMapDevToolPluginOptions} SourceMapDevToolPluginOptions */
+/** @typedef {import("./ChunkGraph").ModuleId} ModuleId */
+/** @typedef {import("./Compiler")} Compiler */
+/** @typedef {import("./NormalModule").SourceMap} SourceMap */
+
+/** @type {WeakMap<Source, Source>} */
+const cache = new WeakMap();
+
+const devtoolWarning = new RawSource(`/*
+ * ATTENTION: An "eval-source-map" devtool has been used.
+ * This devtool is neither made for production nor for readable output files.
+ * It uses "eval()" calls to create a separate source file with attached SourceMaps in the browser devtools.
+ * If you are trying to read the output file, select a different devtool (https://webpack.js.org/configuration/devtool/)
+ * or disable the default devtool with "devtool: false".
+ * If you are looking for production-ready output files, see mode: "production" (https://webpack.js.org/configuration/mode/).
+ */
+`);
+
+const PLUGIN_NAME = "EvalSourceMapDevToolPlugin";
+
+class EvalSourceMapDevToolPlugin {
+	/**
+	 * @param {SourceMapDevToolPluginOptions | string} inputOptions Options object
+	 */
+	constructor(inputOptions) {
+		/** @type {SourceMapDevToolPluginOptions} */
+		let options;
+		if (typeof inputOptions === "string") {
+			options = {
+				append: inputOptions
+			};
+		} else {
+			options = inputOptions;
+		}
+		this.sourceMapComment =
+			options.append && typeof options.append !== "function"
+				? options.append
+				: "//# sourceURL=[module]\n//# sourceMappingURL=[url]";
+		this.moduleFilenameTemplate =
+			options.moduleFilenameTemplate ||
+			"webpack://[namespace]/[resource-path]?[hash]";
+		this.namespace = options.namespace || "";
+		this.options = options;
+	}
+
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		const options = this.options;
+		compiler.hooks.compilation.tap(PLUGIN_NAME, compilation => {
+			const hooks = JavascriptModulesPlugin.getCompilationHooks(compilation);
+			new SourceMapDevToolModuleOptionsPlugin(options).apply(compilation);
+			const matchModule = ModuleFilenameHelpers.matchObject.bind(
+				ModuleFilenameHelpers,
+				options
+			);
+			hooks.renderModuleContent.tap(
+				PLUGIN_NAME,
+				(source, m, { chunk, runtimeTemplate, chunkGraph }) => {
+					const cachedSource = cache.get(source);
+					if (cachedSource !== undefined) {
+						return cachedSource;
+					}
+
+					/**
+					 * @param {Source} r result
+					 * @returns {Source} result
+					 */
+					const result = r => {
+						cache.set(source, r);
+						return r;
+					};
+
+					if (m instanceof NormalModule) {
+						const module = /** @type {NormalModule} */ (m);
+						if (!matchModule(module.resource)) {
+							return result(source);
+						}
+					} else if (m instanceof ConcatenatedModule) {
+						const concatModule = /** @type {ConcatenatedModule} */ (m);
+						if (concatModule.rootModule instanceof NormalModule) {
+							const module = /** @type {NormalModule} */ (
+								concatModule.rootModule
+							);
+							if (!matchModule(module.resource)) {
+								return result(source);
+							}
+						} else {
+							return result(source);
+						}
+					} else {
+						return result(source);
+					}
+
+					const namespace = compilation.getPath(this.namespace, {
+						chunk
+					});
+					/** @type {SourceMap} */
+					let sourceMap;
+					let content;
+					if (source.sourceAndMap) {
+						const sourceAndMap = source.sourceAndMap(options);
+						sourceMap = /** @type {SourceMap} */ (sourceAndMap.map);
+						content = sourceAndMap.source;
+					} else {
+						sourceMap = /** @type {SourceMap} */ (source.map(options));
+						content = source.source();
+					}
+					if (!sourceMap) {
+						return result(source);
+					}
+
+					// Clone (flat) the sourcemap to ensure that the mutations below do not persist.
+					sourceMap = { ...sourceMap };
+					const context = /** @type {string} */ (compiler.options.context);
+					const root = compiler.root;
+					const modules = sourceMap.sources.map(source => {
+						if (!source.startsWith("webpack://")) return source;
+						source = makePathsAbsolute(context, source.slice(10), root);
+						const module = compilation.findModule(source);
+						return module || source;
+					});
+					let moduleFilenames = modules.map(module =>
+						ModuleFilenameHelpers.createFilename(
+							module,
+							{
+								moduleFilenameTemplate: this.moduleFilenameTemplate,
+								namespace
+							},
+							{
+								requestShortener: runtimeTemplate.requestShortener,
+								chunkGraph,
+								hashFunction: compilation.outputOptions.hashFunction
+							}
+						)
+					);
+					moduleFilenames = ModuleFilenameHelpers.replaceDuplicates(
+						moduleFilenames,
+						(filename, i, n) => {
+							for (let j = 0; j < n; j++) filename += "*";
+							return filename;
+						}
+					);
+					sourceMap.sources = moduleFilenames;
+					if (options.noSources) {
+						sourceMap.sourcesContent = undefined;
+					}
+					sourceMap.sourceRoot = options.sourceRoot || "";
+					const moduleId =
+						/** @type {ModuleId} */
+						(chunkGraph.getModuleId(m));
+					sourceMap.file =
+						typeof moduleId === "number" ? `${moduleId}.js` : moduleId;
+
+					if (options.debugIds) {
+						sourceMap.debugId = generateDebugId(content, sourceMap.file);
+					}
+
+					const footer = `${this.sourceMapComment.replace(
+						/\[url\]/g,
+						`data:application/json;charset=utf-8;base64,${Buffer.from(
+							JSON.stringify(sourceMap),
+							"utf8"
+						).toString("base64")}`
+					)}\n//# sourceURL=webpack-internal:///${moduleId}\n`; // workaround for chrome bug
+
+					return result(
+						new RawSource(
+							`eval(${
+								compilation.outputOptions.trustedTypes
+									? `${RuntimeGlobals.createScript}(${JSON.stringify(
+											content + footer
+										)})`
+									: JSON.stringify(content + footer)
+							});`
+						)
+					);
+				}
+			);
+			hooks.inlineInRuntimeBailout.tap(
+				"EvalDevToolModulePlugin",
+				() => "the eval-source-map devtool is used."
+			);
+			hooks.render.tap(
+				PLUGIN_NAME,
+				source => new ConcatSource(devtoolWarning, source)
+			);
+			hooks.chunkHash.tap(PLUGIN_NAME, (chunk, hash) => {
+				hash.update(PLUGIN_NAME);
+				hash.update("2");
+			});
+			if (compilation.outputOptions.trustedTypes) {
+				compilation.hooks.additionalModuleRuntimeRequirements.tap(
+					PLUGIN_NAME,
+					(module, set, context) => {
+						set.add(RuntimeGlobals.createScript);
+					}
+				);
+			}
+		});
+	}
+}
+
+module.exports = EvalSourceMapDevToolPlugin;