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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
commite06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch)
tree55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/webpack/lib/EvalSourceMapDevToolModuleTemplatePlugin.js
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-rw-r--r--node_modules/webpack/lib/EvalSourceMapDevToolModuleTemplatePlugin.js120
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diff --git a/node_modules/webpack/lib/EvalSourceMapDevToolModuleTemplatePlugin.js b/node_modules/webpack/lib/EvalSourceMapDevToolModuleTemplatePlugin.js
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+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const { RawSource } = require("webpack-sources");
+const ModuleFilenameHelpers = require("./ModuleFilenameHelpers");
+const { absolutify } = require("./util/identifier");
+
+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://[namespace]/[resource-path]?[hash]";
+ this.namespace = options.namespace || "";
+ this.options = options;
+ }
+
+ apply(moduleTemplate) {
+ const self = this;
+ const options = this.options;
+ const matchModule = ModuleFilenameHelpers.matchObject.bind(
+ ModuleFilenameHelpers,
+ options
+ );
+ moduleTemplate.hooks.module.tap(
+ "EvalSourceMapDevToolModuleTemplatePlugin",
+ (source, module) => {
+ const cachedSource = cache.get(source);
+ if (cachedSource !== undefined) {
+ return cachedSource;
+ }
+
+ if (!matchModule(module.resource)) {
+ return source;
+ }
+
+ /** @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 context = this.compilation.compiler.options.context;
+ const modules = sourceMap.sources.map(source => {
+ if (source.startsWith("webpack://")) {
+ source = absolutify(context, source.slice(10));
+ }
+ 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;