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app_vue/node_modules/webpack/lib/ContextReplacementPlugin.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const ContextElementDependency = require("./dependencies/ContextElementDependency");
+const { join } = require("./util/fs");
+
+/** @typedef {import("./Compiler")} Compiler */
+/** @typedef {import("./ContextModule").ContextModuleOptions} ContextModuleOptions */
+/** @typedef {import("./util/fs").InputFileSystem} InputFileSystem */
+
+/** @typedef {Record<string, string>} NewContentCreateContextMap */
+
+const PLUGIN_NAME = "ContextReplacementPlugin";
+
+class ContextReplacementPlugin {
+	/**
+	 * @param {RegExp} resourceRegExp A regular expression that determines which files will be selected
+	 * @param {(string | ((context: TODO) => void) | RegExp | boolean)=} newContentResource A new resource to replace the match
+	 * @param {(boolean | NewContentCreateContextMap | RegExp)=} newContentRecursive If true, all subdirectories are searched for matches
+	 * @param {RegExp=} newContentRegExp A regular expression that determines which files will be selected
+	 */
+	constructor(
+		resourceRegExp,
+		newContentResource,
+		newContentRecursive,
+		newContentRegExp
+	) {
+		this.resourceRegExp = resourceRegExp;
+
+		// new webpack.ContextReplacementPlugin(/selector/, (context) => { /* Logic */ });
+		if (typeof newContentResource === "function") {
+			this.newContentCallback = newContentResource;
+		}
+		// new ContextReplacementPlugin(/selector/, './folder', { './request': './request' });
+		else if (
+			typeof newContentResource === "string" &&
+			typeof newContentRecursive === "object"
+		) {
+			this.newContentResource = newContentResource;
+			/**
+			 * @param {InputFileSystem} fs input file system
+			 * @param {(err: null | Error, newContentRecursive: NewContentCreateContextMap) => void} callback callback
+			 */
+			this.newContentCreateContextMap = (fs, callback) => {
+				callback(
+					null,
+					/** @type {NewContentCreateContextMap} */ (newContentRecursive)
+				);
+			};
+		}
+		// new ContextReplacementPlugin(/selector/, './folder', (context) => { /* Logic */ });
+		else if (
+			typeof newContentResource === "string" &&
+			typeof newContentRecursive === "function"
+		) {
+			this.newContentResource = newContentResource;
+			this.newContentCreateContextMap = newContentRecursive;
+		} else {
+			// new webpack.ContextReplacementPlugin(/selector/, false, /reg-exp/);
+			if (typeof newContentResource !== "string") {
+				newContentRegExp = /** @type {RegExp} */ (newContentRecursive);
+				newContentRecursive = /** @type {boolean} */ (newContentResource);
+				newContentResource = undefined;
+			}
+			// new webpack.ContextReplacementPlugin(/selector/, /de|fr|hu/);
+			if (typeof newContentRecursive !== "boolean") {
+				newContentRegExp = /** @type {RegExp} */ (newContentRecursive);
+				newContentRecursive = undefined;
+			}
+			// new webpack.ContextReplacementPlugin(/selector/, './folder', false, /selector/);
+			this.newContentResource =
+				/** @type {string | undefined} */
+				(newContentResource);
+			this.newContentRecursive =
+				/** @type {boolean | undefined} */
+				(newContentRecursive);
+			this.newContentRegExp =
+				/** @type {RegExp | undefined} */
+				(newContentRegExp);
+		}
+	}
+
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		const resourceRegExp = this.resourceRegExp;
+		const newContentCallback = this.newContentCallback;
+		const newContentResource = this.newContentResource;
+		const newContentRecursive = this.newContentRecursive;
+		const newContentRegExp = this.newContentRegExp;
+		const newContentCreateContextMap = this.newContentCreateContextMap;
+
+		compiler.hooks.contextModuleFactory.tap(PLUGIN_NAME, cmf => {
+			cmf.hooks.beforeResolve.tap(PLUGIN_NAME, result => {
+				if (!result) return;
+				if (resourceRegExp.test(result.request)) {
+					if (newContentResource !== undefined) {
+						result.request = newContentResource;
+					}
+					if (newContentRecursive !== undefined) {
+						result.recursive = newContentRecursive;
+					}
+					if (newContentRegExp !== undefined) {
+						result.regExp = newContentRegExp;
+					}
+					if (typeof newContentCallback === "function") {
+						newContentCallback(result);
+					} else {
+						for (const d of result.dependencies) {
+							if (d.critical) d.critical = false;
+						}
+					}
+				}
+				return result;
+			});
+			cmf.hooks.afterResolve.tap(PLUGIN_NAME, result => {
+				if (!result) return;
+				if (resourceRegExp.test(result.resource)) {
+					if (newContentResource !== undefined) {
+						if (
+							newContentResource.startsWith("/") ||
+							(newContentResource.length > 1 && newContentResource[1] === ":")
+						) {
+							result.resource = newContentResource;
+						} else {
+							result.resource = join(
+								/** @type {InputFileSystem} */ (compiler.inputFileSystem),
+								result.resource,
+								newContentResource
+							);
+						}
+					}
+					if (newContentRecursive !== undefined) {
+						result.recursive = newContentRecursive;
+					}
+					if (newContentRegExp !== undefined) {
+						result.regExp = newContentRegExp;
+					}
+					if (typeof newContentCreateContextMap === "function") {
+						result.resolveDependencies =
+							createResolveDependenciesFromContextMap(
+								newContentCreateContextMap
+							);
+					}
+					if (typeof newContentCallback === "function") {
+						const origResource = result.resource;
+						newContentCallback(result);
+						if (
+							result.resource !== origResource &&
+							!result.resource.startsWith("/") &&
+							(result.resource.length <= 1 || result.resource[1] !== ":")
+						) {
+							// When the function changed it to an relative path
+							result.resource = join(
+								/** @type {InputFileSystem} */ (compiler.inputFileSystem),
+								origResource,
+								result.resource
+							);
+						}
+					} else {
+						for (const d of result.dependencies) {
+							if (d.critical) d.critical = false;
+						}
+					}
+				}
+				return result;
+			});
+		});
+	}
+}
+
+/**
+ * @param {(fs: InputFileSystem, callback: (err: null | Error, map: NewContentCreateContextMap) => void) => void} createContextMap create context map function
+ * @returns {(fs: InputFileSystem, options: ContextModuleOptions, callback: (err: null | Error, dependencies?: ContextElementDependency[]) => void) => void} resolve resolve dependencies from context map function
+ */
+const createResolveDependenciesFromContextMap =
+	createContextMap => (fs, options, callback) => {
+		createContextMap(fs, (err, map) => {
+			if (err) return callback(err);
+			const dependencies = Object.keys(map).map(
+				key =>
+					new ContextElementDependency(
+						map[key] + options.resourceQuery + options.resourceFragment,
+						key,
+						options.typePrefix,
+						/** @type {string} */
+						(options.category),
+						options.referencedExports
+					)
+			);
+			callback(null, dependencies);
+		});
+	};
+
+module.exports = ContextReplacementPlugin;