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node_modules/mini-css-extract-plugin/dist/loader.js

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+"use strict";
+
+const path = require("path");
+const schema = require("./loader-options.json");
+const {
+  ABSOLUTE_PUBLIC_PATH,
+  AUTO_PUBLIC_PATH,
+  BASE_URI,
+  SINGLE_DOT_PATH_SEGMENT,
+  evalModuleCode,
+  findModuleById,
+  stringifyLocal,
+  stringifyRequest
+} = require("./utils");
+const MiniCssExtractPlugin = require("./index");
+
+/** @typedef {import("schema-utils/declarations/validate").Schema} Schema */
+/** @typedef {import("webpack").Compiler} Compiler */
+/** @typedef {import("webpack").Compilation} Compilation */
+/** @typedef {import("webpack").Chunk} Chunk */
+/** @typedef {import("webpack").Module} Module */
+/** @typedef {import("webpack").sources.Source} Source */
+/** @typedef {import("webpack").AssetInfo} AssetInfo */
+/** @typedef {import("webpack").NormalModule} NormalModule */
+/** @typedef {import("./index.js").LoaderOptions} LoaderOptions */
+
+// eslint-disable-next-line jsdoc/reject-function-type
+/** @typedef {{[key: string]: string | Function }} Locals */
+
+// eslint-disable-next-line jsdoc/reject-any-type
+/** @typedef {any} EXPECTED_ANY */
+
+/**
+ * @typedef {object} Dependency
+ * @property {string} identifier identifier
+ * @property {string | null} context context
+ * @property {Buffer} content content
+ * @property {string=} media media
+ * @property {string=} supports supports
+ * @property {string=} layer layer
+ * @property {Buffer=} sourceMap source map
+ */
+
+/**
+ * @param {string} code code
+ * @param {{ loaderContext: import("webpack").LoaderContext<LoaderOptions>, options: LoaderOptions, locals: Locals | undefined }} context context
+ * @returns {string} code and HMR code
+ */
+function hotLoader(code, context) {
+  const localsJsonString = JSON.stringify(JSON.stringify(context.locals));
+  return `${code}
+    if(module.hot) {
+      (function() {
+        var localsJsonString = ${localsJsonString};
+        // ${Date.now()}
+        var cssReload = require(${stringifyRequest(context.loaderContext, path.join(__dirname, "hmr/hotModuleReplacement.js"))})(module.id, ${JSON.stringify(context.options)});
+        // only invalidate when locals change
+        if (
+          module.hot.data &&
+          module.hot.data.value &&
+          module.hot.data.value !== localsJsonString
+        ) {
+          module.hot.invalidate();
+        } else {
+          module.hot.accept();
+        }
+        module.hot.dispose(function(data) {
+          data.value = localsJsonString;
+          cssReload();
+        });
+      })();
+    }
+  `;
+}
+
+/**
+ * @this {import("webpack").LoaderContext<LoaderOptions>}
+ * @param {string} request request
+ */
+function pitch(request) {
+  if (this._compiler && this._compiler.options && this._compiler.options.experiments && this._compiler.options.experiments.css && this._module && (this._module.type === "css" || this._module.type === "css/auto" || this._module.type === "css/global" || this._module.type === "css/module")) {
+    this.emitWarning(new Error('You can\'t use `experiments.css` (`experiments.futureDefaults` enable built-in CSS support by default) and `mini-css-extract-plugin` together, please set `experiments.css` to `false` or set `{ type: "javascript/auto" }` for rules with `mini-css-extract-plugin` in your webpack config (now `mini-css-extract-plugin` does nothing).'));
+    return;
+  }
+  const options = this.getOptions(/** @type {Schema} */schema);
+  const emit = typeof options.emit !== "undefined" ? options.emit : true;
+  const callback = this.async();
+  const optionsFromPlugin =
+  // @ts-expect-error
+  this[MiniCssExtractPlugin.pluginSymbol];
+  if (!optionsFromPlugin) {
+    callback(new Error("You forgot to add 'mini-css-extract-plugin' plugin (i.e. `{ plugins: [new MiniCssExtractPlugin()] }`), please read https://github.com/webpack/mini-css-extract-plugin#getting-started"));
+    return;
+  }
+  const {
+    webpack
+  } = /** @type {Compiler} */this._compiler;
+
+  /**
+   * @param {EXPECTED_ANY} originalExports original exports
+   * @param {Compilation=} compilation compilation
+   * @param {{ [name: string]: Source }=} assets assets
+   * @param {Map<string, AssetInfo>=} assetsInfo assets info
+   * @returns {void}
+   */
+  const handleExports = (originalExports, compilation, assets, assetsInfo) => {
+    /** @type {Locals | undefined} */
+    let locals;
+    let namedExport;
+    const esModule = typeof options.esModule !== "undefined" ? options.esModule : true;
+
+    /**
+     * @param {Dependency[] | [null, object][]} dependencies dependencies
+     */
+    const addDependencies = dependencies => {
+      // eslint-disable-next-line no-eq-null, eqeqeq
+      if (!Array.isArray(dependencies) && dependencies != null) {
+        throw new Error(`Exported value was not extracted as an array: ${JSON.stringify(dependencies)}`);
+      }
+      const identifierCountMap = new Map();
+      let lastDep;
+      for (const dependency of dependencies) {
+        if (!(/** @type {Dependency} */dependency.identifier) || !emit) {
+          continue;
+        }
+        const count = identifierCountMap.get(/** @type {Dependency} */dependency.identifier) || 0;
+        const CssDependency = MiniCssExtractPlugin.getCssDependency(webpack);
+
+        /** @type {NormalModule} */
+        this._module.addDependency(lastDep = new CssDependency(/** @type {Dependency} */
+        dependency, /** @type {Dependency} */
+        dependency.context, count));
+        identifierCountMap.set(/** @type {Dependency} */
+        dependency.identifier, count + 1);
+      }
+      if (lastDep && assets) {
+        lastDep.assets = assets;
+        lastDep.assetsInfo = assetsInfo;
+      }
+    };
+    try {
+      const exports = originalExports.__esModule ? originalExports.default : originalExports;
+      namedExport = originalExports.__esModule && (!originalExports.default || !("locals" in originalExports.default));
+      if (namedExport) {
+        for (const key of Object.keys(originalExports)) {
+          if (key !== "default") {
+            if (!locals) {
+              locals = {};
+            }
+
+            /** @type {Locals} */
+            locals[key] = originalExports[key];
+          }
+        }
+      } else {
+        locals = exports && exports.locals;
+      }
+
+      /** @type {Dependency[] | [null, Record<string, string>][]} */
+      let dependencies;
+      if (!Array.isArray(exports)) {
+        dependencies = [[null, exports]];
+      } else {
+        dependencies = exports.map(([id, content, media, sourceMap, supports, layer]) => {
+          let identifier = id;
+          let context;
+          if (compilation) {
+            const module = /** @type {Module} */
+            findModuleById(compilation, id);
+            identifier = module.identifier();
+            ({
+              context
+            } = module);
+          } else {
+            // TODO check if this context is used somewhere
+            context = this.rootContext;
+          }
+          return {
+            identifier,
+            context,
+            content: Buffer.from(content),
+            media,
+            supports,
+            layer,
+            sourceMap: sourceMap ? Buffer.from(JSON.stringify(sourceMap)) : undefined
+          };
+        });
+      }
+      addDependencies(dependencies);
+    } catch (err) {
+      callback(/** @type {Error} */err);
+      return;
+    }
+    const result = function makeResult() {
+      const defaultExport = typeof options.defaultExport !== "undefined" ? options.defaultExport : false;
+      if (locals) {
+        if (namedExport) {
+          const identifiers = [...function* generateIdentifiers() {
+            let identifierId = 0;
+            for (const key of Object.keys(locals)) {
+              identifierId += 1;
+              yield [`_${identifierId.toString(16)}`, key];
+            }
+          }()];
+          const localsString = identifiers.map(([id, key]) => `\nvar ${id} = ${stringifyLocal(/** @type {Locals} */locals[key])};`).join("");
+          const exportsString = `export { ${identifiers.map(([id, key]) => `${id} as ${JSON.stringify(key)}`).join(", ")} }`;
+          return defaultExport ? `${localsString}\n${exportsString}\nexport default { ${identifiers.map(([id, key]) => `${JSON.stringify(key)}: ${id}`).join(", ")} }\n` : `${localsString}\n${exportsString}\n`;
+        }
+        return `\n${esModule ? "export default" : "module.exports = "} ${JSON.stringify(locals)};`;
+      } else if (esModule) {
+        return defaultExport ? "\nexport {};export default {};" : "\nexport {};";
+      }
+      return "";
+    }();
+    let resultSource = `// extracted by ${MiniCssExtractPlugin.pluginName}`;
+
+    // only attempt hotreloading if the css is actually used for something other than hash values
+    resultSource += this.hot && emit ? hotLoader(result, {
+      loaderContext: this,
+      options,
+      locals
+    }) : result;
+    callback(null, resultSource);
+  };
+  let {
+    publicPath
+  } = /** @type {Compilation} */
+  this._compilation.outputOptions;
+  if (typeof options.publicPath === "string") {
+    publicPath = options.publicPath;
+  } else if (typeof options.publicPath === "function") {
+    publicPath = options.publicPath(this.resourcePath, this.rootContext);
+  }
+  if (publicPath === "auto") {
+    publicPath = AUTO_PUBLIC_PATH;
+  }
+  if (typeof optionsFromPlugin.experimentalUseImportModule === "undefined" && typeof this.importModule === "function" || optionsFromPlugin.experimentalUseImportModule) {
+    if (!this.importModule) {
+      callback(new Error("You are using 'experimentalUseImportModule' but 'this.importModule' is not available in loader context. You need to have at least webpack 5.33.2."));
+      return;
+    }
+    let publicPathForExtract;
+    if (typeof publicPath === "string") {
+      const isAbsolutePublicPath = /^[a-zA-Z][a-zA-Z\d+\-.]*?:/.test(publicPath);
+      publicPathForExtract = isAbsolutePublicPath ? publicPath : `${ABSOLUTE_PUBLIC_PATH}${publicPath.replace(/\./g, SINGLE_DOT_PATH_SEGMENT)}`;
+    } else {
+      publicPathForExtract = publicPath;
+    }
+    this.importModule(`${this.resourcePath}.webpack[javascript/auto]!=!!!${request}`, {
+      layer: options.layer,
+      publicPath: (/** @type {string} */publicPathForExtract),
+      baseUri: `${BASE_URI}/`
+    },
+    /**
+     * @param {Error | null | undefined} error error
+     * @param {object} exports exports
+     */
+    (error, exports) => {
+      if (error) {
+        callback(error);
+        return;
+      }
+      handleExports(exports);
+    });
+    return;
+  }
+  const loaders = this.loaders.slice(this.loaderIndex + 1);
+  this.addDependency(this.resourcePath);
+  const childFilename = "*";
+  const outputOptions = {
+    filename: childFilename,
+    publicPath
+  };
+  const childCompiler = /** @type {Compilation} */
+  this._compilation.createChildCompiler(`${MiniCssExtractPlugin.pluginName} ${request}`, outputOptions);
+
+  // The templates are compiled and executed by NodeJS - similar to server side rendering
+  // Unfortunately this causes issues as some loaders require an absolute URL to support ES Modules
+  // The following config enables relative URL support for the child compiler
+  childCompiler.options.module = {
+    ...childCompiler.options.module
+  };
+  childCompiler.options.module.parser = {
+    ...childCompiler.options.module.parser
+  };
+  childCompiler.options.module.parser.javascript = {
+    ...childCompiler.options.module.parser.javascript,
+    url: "relative"
+  };
+  const {
+    NodeTemplatePlugin
+  } = webpack.node;
+  const {
+    NodeTargetPlugin
+  } = webpack.node;
+  new NodeTemplatePlugin().apply(childCompiler);
+  new NodeTargetPlugin().apply(childCompiler);
+  const {
+    EntryOptionPlugin
+  } = webpack;
+  const {
+    library: {
+      EnableLibraryPlugin
+    }
+  } = webpack;
+  new EnableLibraryPlugin("commonjs2").apply(childCompiler);
+  EntryOptionPlugin.applyEntryOption(childCompiler, this.context, {
+    child: {
+      library: {
+        type: "commonjs2"
+      },
+      import: [`!!${request}`]
+    }
+  });
+  const {
+    LimitChunkCountPlugin
+  } = webpack.optimize;
+  new LimitChunkCountPlugin({
+    maxChunks: 1
+  }).apply(childCompiler);
+  const {
+    NormalModule
+  } = webpack;
+  childCompiler.hooks.thisCompilation.tap(`${MiniCssExtractPlugin.pluginName} loader`,
+  /**
+   * @param {Compilation} compilation compilation
+   */
+  compilation => {
+    const normalModuleHook = NormalModule.getCompilationHooks(compilation).loader;
+    normalModuleHook.tap(`${MiniCssExtractPlugin.pluginName} loader`, (loaderContext, module) => {
+      if (module.request === request) {
+        module.loaders = loaders.map(loader => ({
+          type: null,
+          loader: loader.path,
+          options: loader.options,
+          ident: loader.ident
+        }));
+      }
+    });
+  });
+
+  /** @type {string | Buffer} */
+  let source;
+  childCompiler.hooks.compilation.tap(MiniCssExtractPlugin.pluginName,
+  /**
+   * @param {Compilation} compilation compilation
+   */
+  compilation => {
+    compilation.hooks.processAssets.tap(MiniCssExtractPlugin.pluginName, () => {
+      source = compilation.assets[childFilename] && compilation.assets[childFilename].source();
+
+      // Remove all chunk assets
+      for (const chunk of compilation.chunks) {
+        for (const file of chunk.files) {
+          compilation.deleteAsset(file);
+        }
+      }
+    });
+  });
+  childCompiler.runAsChild((error, entries, compilation_) => {
+    if (error) {
+      callback(error);
+      return;
+    }
+    const compilation = /** @type {Compilation} */compilation_;
+    if (compilation.errors.length > 0) {
+      callback(compilation.errors[0]);
+      return;
+    }
+
+    /** @type {{ [name: string]: Source }} */
+    const assets = Object.create(null);
+    /** @type {Map<string, AssetInfo>} */
+    const assetsInfo = new Map();
+    for (const asset of compilation.getAssets()) {
+      assets[asset.name] = asset.source;
+      assetsInfo.set(asset.name, asset.info);
+    }
+    for (const dep of compilation.fileDependencies) {
+      this.addDependency(dep);
+    }
+    for (const dep of compilation.contextDependencies) {
+      this.addContextDependency(dep);
+    }
+    if (!source) {
+      callback(new Error("Didn't get a result from child compiler"));
+      return;
+    }
+    let originalExports;
+    try {
+      originalExports = evalModuleCode(this, source, request);
+    } catch (err) {
+      callback(/** @type {Error} */err);
+      return;
+    }
+    handleExports(originalExports, compilation, assets, assetsInfo);
+  });
+}
+
+/**
+ * @this {import("webpack").LoaderContext<LoaderOptions>}
+ * @param {string} content content
+ * @returns {string | undefined} the original content
+ */
+function loader(content) {
+  if (this._compiler && this._compiler.options && this._compiler.options.experiments && this._compiler.options.experiments.css && this._module && (this._module.type === "css" || this._module.type === "css/auto" || this._module.type === "css/global" || this._module.type === "css/module")) {
+    return content;
+  }
+}
+module.exports = loader;
+module.exports.hotLoader = hotLoader;
+module.exports.pitch = pitch;