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/* MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra */
"use strict";
const ModuleFilenameHelpers = require("./ModuleFilenameHelpers"); const NormalModule = require("./NormalModule"); const createSchemaValidation = require("./util/create-schema-validation");
/** @typedef {import("../declarations/plugins/LoaderOptionsPlugin").LoaderOptionsPluginOptions} LoaderOptionsPluginOptions */ /** @typedef {import("./Compiler")} Compiler */ /** @typedef {import("./ModuleFilenameHelpers").MatchObject} MatchObject */
const validate = createSchemaValidation( require("../schemas/plugins/LoaderOptionsPlugin.check.js"), () => require("../schemas/plugins/LoaderOptionsPlugin.json"), { name: "Loader Options Plugin", baseDataPath: "options" } );
class LoaderOptionsPlugin { /** * @param {LoaderOptionsPluginOptions & MatchObject} options options object */ constructor(options = {}) { validate(options); // If no options are set then generate empty options object
if (typeof options !== "object") options = {}; if (!options.test) { // This is mocking a RegExp object which always returns true
// TODO: Figure out how to do `as unknown as RegExp` for this line
// in JSDoc equivalent
/** @type {any} */ const defaultTrueMockRegExp = { test: () => true };
/** @type {RegExp} */ options.test = defaultTrueMockRegExp; } this.options = options; }
/** * Apply the plugin * @param {Compiler} compiler the compiler instance * @returns {void} */ apply(compiler) { const options = this.options; compiler.hooks.compilation.tap("LoaderOptionsPlugin", compilation => { NormalModule.getCompilationHooks(compilation).loader.tap( "LoaderOptionsPlugin", (context, module) => { const resource = module.resource; if (!resource) return; const i = resource.indexOf("?"); if ( ModuleFilenameHelpers.matchObject( options, i < 0 ? resource : resource.slice(0, i) ) ) { for (const key of Object.keys(options)) { if (key === "include" || key === "exclude" || key === "test") { continue; }
/** @type {any} */ (context)[key] = options[key]; } } } ); }); } }
module.exports = LoaderOptionsPlugin;
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