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app_vue/node_modules/webpack/lib/dependencies/LoaderPlugin.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const NormalModule = require("../NormalModule");
+const LazySet = require("../util/LazySet");
+const LoaderDependency = require("./LoaderDependency");
+const LoaderImportDependency = require("./LoaderImportDependency");
+
+/** @typedef {import("../../declarations/LoaderContext").LoaderPluginLoaderContext} LoaderPluginLoaderContext */
+/** @typedef {import("../Compilation").DepConstructor} DepConstructor */
+/** @typedef {import("../Compilation").ExecuteModuleExports} ExecuteModuleExports */
+/** @typedef {import("../Compilation").ExecuteModuleResult} ExecuteModuleResult */
+/** @typedef {import("../Compiler")} Compiler */
+/** @typedef {import("../Module")} Module */
+/** @typedef {import("../Module").BuildInfo} BuildInfo */
+
+/**
+ * @callback ImportModuleCallback
+ * @param {(Error | null)=} err error object
+ * @param {ExecuteModuleExports=} exports exports of the evaluated module
+ */
+
+/**
+ * @typedef {object} ImportModuleOptions
+ * @property {string=} layer the target layer
+ * @property {string=} publicPath the target public path
+ * @property {string=} baseUri target base uri
+ */
+
+const PLUGIN_NAME = "LoaderPlugin";
+
+class LoaderPlugin {
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			PLUGIN_NAME,
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					LoaderDependency,
+					normalModuleFactory
+				);
+				compilation.dependencyFactories.set(
+					LoaderImportDependency,
+					normalModuleFactory
+				);
+			}
+		);
+
+		compiler.hooks.compilation.tap(PLUGIN_NAME, compilation => {
+			const moduleGraph = compilation.moduleGraph;
+			NormalModule.getCompilationHooks(compilation).loader.tap(
+				PLUGIN_NAME,
+				loaderContext => {
+					loaderContext.loadModule = (request, callback) => {
+						const dep = new LoaderDependency(request);
+						dep.loc = {
+							name: request
+						};
+						const factory = compilation.dependencyFactories.get(
+							/** @type {DepConstructor} */ (dep.constructor)
+						);
+						if (factory === undefined) {
+							return callback(
+								new Error(
+									`No module factory available for dependency type: ${dep.constructor.name}`
+								)
+							);
+						}
+						const oldFactorizeQueueContext =
+							compilation.factorizeQueue.getContext();
+						compilation.factorizeQueue.setContext("load-module");
+						const oldAddModuleQueueContext =
+							compilation.addModuleQueue.getContext();
+						compilation.addModuleQueue.setContext("load-module");
+						compilation.buildQueue.increaseParallelism();
+						compilation.handleModuleCreation(
+							{
+								factory,
+								dependencies: [dep],
+								originModule:
+									/** @type {NormalModule} */
+									(loaderContext._module),
+								context: loaderContext.context,
+								recursive: false
+							},
+							err => {
+								compilation.factorizeQueue.setContext(oldFactorizeQueueContext);
+								compilation.addModuleQueue.setContext(oldAddModuleQueueContext);
+								compilation.buildQueue.decreaseParallelism();
+								if (err) {
+									return callback(err);
+								}
+								const referencedModule = moduleGraph.getModule(dep);
+								if (!referencedModule) {
+									return callback(new Error("Cannot load the module"));
+								}
+								if (referencedModule.getNumberOfErrors() > 0) {
+									return callback(
+										new Error("The loaded module contains errors")
+									);
+								}
+								const moduleSource = referencedModule.originalSource();
+								if (!moduleSource) {
+									return callback(
+										new Error(
+											"The module created for a LoaderDependency must have an original source"
+										)
+									);
+								}
+								let map;
+								let source;
+								if (moduleSource.sourceAndMap) {
+									const sourceAndMap = moduleSource.sourceAndMap();
+									map = sourceAndMap.map;
+									source = sourceAndMap.source;
+								} else {
+									map = moduleSource.map();
+									source = moduleSource.source();
+								}
+								const fileDependencies = new LazySet();
+								const contextDependencies = new LazySet();
+								const missingDependencies = new LazySet();
+								const buildDependencies = new LazySet();
+								referencedModule.addCacheDependencies(
+									fileDependencies,
+									contextDependencies,
+									missingDependencies,
+									buildDependencies
+								);
+
+								for (const d of fileDependencies) {
+									loaderContext.addDependency(d);
+								}
+								for (const d of contextDependencies) {
+									loaderContext.addContextDependency(d);
+								}
+								for (const d of missingDependencies) {
+									loaderContext.addMissingDependency(d);
+								}
+								for (const d of buildDependencies) {
+									loaderContext.addBuildDependency(d);
+								}
+								return callback(null, source, map, referencedModule);
+							}
+						);
+					};
+
+					/**
+					 * @param {string} request the request string to load the module from
+					 * @param {ImportModuleOptions} options options
+					 * @param {ImportModuleCallback} callback callback returning the exports
+					 * @returns {void}
+					 */
+					const importModule = (request, options, callback) => {
+						const dep = new LoaderImportDependency(request);
+						dep.loc = {
+							name: request
+						};
+						const factory = compilation.dependencyFactories.get(
+							/** @type {DepConstructor} */ (dep.constructor)
+						);
+						if (factory === undefined) {
+							return callback(
+								new Error(
+									`No module factory available for dependency type: ${dep.constructor.name}`
+								)
+							);
+						}
+
+						const oldFactorizeQueueContext =
+							compilation.factorizeQueue.getContext();
+						compilation.factorizeQueue.setContext("import-module");
+						const oldAddModuleQueueContext =
+							compilation.addModuleQueue.getContext();
+						compilation.addModuleQueue.setContext("import-module");
+						compilation.buildQueue.increaseParallelism();
+						compilation.handleModuleCreation(
+							{
+								factory,
+								dependencies: [dep],
+								originModule:
+									/** @type {NormalModule} */
+									(loaderContext._module),
+								contextInfo: {
+									issuerLayer: options.layer
+								},
+								context: loaderContext.context,
+								connectOrigin: false,
+								checkCycle: true
+							},
+							err => {
+								compilation.factorizeQueue.setContext(oldFactorizeQueueContext);
+								compilation.addModuleQueue.setContext(oldAddModuleQueueContext);
+								compilation.buildQueue.decreaseParallelism();
+								if (err) {
+									return callback(err);
+								}
+								const referencedModule = moduleGraph.getModule(dep);
+								if (!referencedModule) {
+									return callback(new Error("Cannot load the module"));
+								}
+								compilation.buildQueue.increaseParallelism();
+								compilation.executeModule(
+									referencedModule,
+									{
+										entryOptions: {
+											baseUri: options.baseUri,
+											publicPath: options.publicPath
+										}
+									},
+									(err, result) => {
+										compilation.buildQueue.decreaseParallelism();
+										if (err) return callback(err);
+										const {
+											fileDependencies,
+											contextDependencies,
+											missingDependencies,
+											buildDependencies,
+											cacheable,
+											assets,
+											exports
+										} = /** @type {ExecuteModuleResult} */ (result);
+										for (const d of fileDependencies) {
+											loaderContext.addDependency(d);
+										}
+										for (const d of contextDependencies) {
+											loaderContext.addContextDependency(d);
+										}
+										for (const d of missingDependencies) {
+											loaderContext.addMissingDependency(d);
+										}
+										for (const d of buildDependencies) {
+											loaderContext.addBuildDependency(d);
+										}
+										if (cacheable === false) loaderContext.cacheable(false);
+										for (const [name, { source, info }] of assets) {
+											const buildInfo =
+												/** @type {BuildInfo} */
+												(
+													/** @type {NormalModule} */ (loaderContext._module)
+														.buildInfo
+												);
+											if (!buildInfo.assets) {
+												buildInfo.assets = Object.create(null);
+												buildInfo.assetsInfo = new Map();
+											}
+											/** @type {NonNullable<BuildInfo["assets"]>} */
+											(buildInfo.assets)[name] = source;
+											/** @type {NonNullable<BuildInfo["assetsInfo"]>} */
+											(buildInfo.assetsInfo).set(name, info);
+										}
+										callback(null, exports);
+									}
+								);
+							}
+						);
+					};
+
+					// @ts-expect-error overloading doesn't work
+					loaderContext.importModule = (request, options, callback) => {
+						if (!callback) {
+							return new Promise((resolve, reject) => {
+								importModule(request, options || {}, (err, result) => {
+									if (err) reject(err);
+									else resolve(result);
+								});
+							});
+						}
+						return importModule(request, options || {}, callback);
+					};
+				}
+			);
+		});
+	}
+}
+module.exports = LoaderPlugin;