763 lines
22 KiB
JavaScript
763 lines
22 KiB
JavaScript
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const util = require("util");
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const ExportsInfo = require("./ExportsInfo");
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const ModuleGraphConnection = require("./ModuleGraphConnection");
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const SortableSet = require("./util/SortableSet");
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/** @typedef {import("./DependenciesBlock")} DependenciesBlock */
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/** @typedef {import("./Dependency")} Dependency */
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/** @typedef {import("./ExportsInfo").ExportInfo} ExportInfo */
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/** @typedef {import("./Module")} Module */
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/** @typedef {import("./ModuleProfile")} ModuleProfile */
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/** @typedef {import("./RequestShortener")} RequestShortener */
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/** @typedef {import("./util/runtime").RuntimeSpec} RuntimeSpec */
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/**
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* @callback OptimizationBailoutFunction
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* @param {RequestShortener} requestShortener
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* @returns {string}
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*/
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const EMPTY_ARRAY = [];
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/**
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* @param {SortableSet<ModuleGraphConnection>} set input
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* @returns {readonly Map<Module, readonly ModuleGraphConnection[]>} mapped by origin module
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*/
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const getConnectionsByOriginModule = set => {
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const map = new Map();
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/** @type {Module | 0} */
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let lastModule = 0;
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/** @type {ModuleGraphConnection[]} */
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let lastList = undefined;
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for (const connection of set) {
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const { originModule } = connection;
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if (lastModule === originModule) {
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lastList.push(connection);
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} else {
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lastModule = originModule;
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const list = map.get(originModule);
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if (list !== undefined) {
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lastList = list;
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list.push(connection);
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} else {
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const list = [connection];
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lastList = list;
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map.set(originModule, list);
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}
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}
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}
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return map;
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};
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class ModuleGraphModule {
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constructor() {
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/** @type {SortableSet<ModuleGraphConnection>} */
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this.incomingConnections = new SortableSet();
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/** @type {Set<ModuleGraphConnection> | undefined} */
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this.outgoingConnections = undefined;
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/** @type {Module | null} */
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this.issuer = undefined;
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/** @type {(string | OptimizationBailoutFunction)[]} */
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this.optimizationBailout = [];
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/** @type {ExportsInfo} */
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this.exports = new ExportsInfo();
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/** @type {number} */
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this.preOrderIndex = null;
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/** @type {number} */
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this.postOrderIndex = null;
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/** @type {number} */
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this.depth = null;
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/** @type {ModuleProfile} */
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this.profile = undefined;
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/** @type {boolean} */
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this.async = false;
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}
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}
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class ModuleGraphDependency {
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constructor() {
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/** @type {ModuleGraphConnection} */
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this.connection = undefined;
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/** @type {Module} */
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this.parentModule = undefined;
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/** @type {DependenciesBlock} */
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this.parentBlock = undefined;
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}
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}
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class ModuleGraph {
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constructor() {
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/** @type {Map<Dependency, ModuleGraphDependency>} */
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this._dependencyMap = new Map();
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/** @type {Map<Module, ModuleGraphModule>} */
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this._moduleMap = new Map();
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/** @type {Map<Module, Set<ModuleGraphConnection>>} */
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this._originMap = new Map();
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/** @type {Map<any, Object>} */
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this._metaMap = new Map();
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// Caching
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this._cacheModuleGraphModuleKey1 = undefined;
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this._cacheModuleGraphModuleValue1 = undefined;
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this._cacheModuleGraphModuleKey2 = undefined;
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this._cacheModuleGraphModuleValue2 = undefined;
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this._cacheModuleGraphDependencyKey = undefined;
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this._cacheModuleGraphDependencyValue = undefined;
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}
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/**
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* @param {Module} module the module
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* @returns {ModuleGraphModule} the internal module
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*/
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_getModuleGraphModule(module) {
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if (this._cacheModuleGraphModuleKey1 === module)
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return this._cacheModuleGraphModuleValue1;
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if (this._cacheModuleGraphModuleKey2 === module)
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return this._cacheModuleGraphModuleValue2;
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let mgm = this._moduleMap.get(module);
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if (mgm === undefined) {
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mgm = new ModuleGraphModule();
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this._moduleMap.set(module, mgm);
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}
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this._cacheModuleGraphModuleKey2 = this._cacheModuleGraphModuleKey1;
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this._cacheModuleGraphModuleValue2 = this._cacheModuleGraphModuleValue1;
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this._cacheModuleGraphModuleKey1 = module;
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this._cacheModuleGraphModuleValue1 = mgm;
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return mgm;
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}
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/**
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* @param {Dependency} dependency the dependency
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* @returns {ModuleGraphDependency} the internal dependency
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*/
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_getModuleGraphDependency(dependency) {
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if (this._cacheModuleGraphDependencyKey === dependency)
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return this._cacheModuleGraphDependencyValue;
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let mgd = this._dependencyMap.get(dependency);
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if (mgd === undefined) {
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mgd = new ModuleGraphDependency();
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this._dependencyMap.set(dependency, mgd);
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}
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this._cacheModuleGraphDependencyKey = dependency;
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this._cacheModuleGraphDependencyValue = mgd;
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return mgd;
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}
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/**
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* @param {Dependency} dependency the dependency
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* @param {DependenciesBlock} block parent block
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* @param {Module} module parent module
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* @returns {void}
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*/
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setParents(dependency, block, module) {
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const mgd = this._getModuleGraphDependency(dependency);
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mgd.parentBlock = block;
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mgd.parentModule = module;
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}
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/**
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* @param {Dependency} dependency the dependency
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* @returns {Module} parent module
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*/
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getParentModule(dependency) {
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const mgd = this._getModuleGraphDependency(dependency);
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return mgd.parentModule;
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}
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/**
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* @param {Dependency} dependency the dependency
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* @returns {DependenciesBlock} parent block
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*/
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getParentBlock(dependency) {
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const mgd = this._getModuleGraphDependency(dependency);
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return mgd.parentBlock;
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}
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/**
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* @param {Module} originModule the referencing module
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* @param {Dependency} dependency the referencing dependency
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* @param {Module} module the referenced module
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* @returns {void}
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*/
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setResolvedModule(originModule, dependency, module) {
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const connection = new ModuleGraphConnection(
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originModule,
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dependency,
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module,
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undefined,
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dependency.weak,
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dependency.getCondition(this)
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);
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const mgd = this._getModuleGraphDependency(dependency);
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mgd.connection = connection;
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const connections = this._getModuleGraphModule(module).incomingConnections;
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connections.add(connection);
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const mgm = this._getModuleGraphModule(originModule);
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if (mgm.outgoingConnections === undefined) {
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mgm.outgoingConnections = new Set();
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}
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mgm.outgoingConnections.add(connection);
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}
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/**
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* @param {Dependency} dependency the referencing dependency
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* @param {Module} module the referenced module
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* @returns {void}
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*/
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updateModule(dependency, module) {
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const mgd = this._getModuleGraphDependency(dependency);
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if (mgd.connection.module === module) return;
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const { connection } = mgd;
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const newConnection = connection.clone();
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newConnection.module = module;
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mgd.connection = newConnection;
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connection.setActive(false);
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const originMgm = this._getModuleGraphModule(connection.originModule);
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originMgm.outgoingConnections.add(newConnection);
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const targetMgm = this._getModuleGraphModule(module);
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targetMgm.incomingConnections.add(newConnection);
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}
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/**
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* @param {Dependency} dependency the referencing dependency
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* @returns {void}
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*/
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removeConnection(dependency) {
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const mgd = this._getModuleGraphDependency(dependency);
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const { connection } = mgd;
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const targetMgm = this._getModuleGraphModule(connection.module);
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targetMgm.incomingConnections.delete(connection);
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const originMgm = this._getModuleGraphModule(connection.originModule);
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originMgm.outgoingConnections.delete(connection);
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mgd.connection = undefined;
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}
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/**
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* @param {Dependency} dependency the referencing dependency
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* @param {string} explanation an explanation
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* @returns {void}
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*/
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addExplanation(dependency, explanation) {
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const { connection } = this._getModuleGraphDependency(dependency);
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connection.addExplanation(explanation);
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}
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/**
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* @param {Module} sourceModule the source module
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* @param {Module} targetModule the target module
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* @returns {void}
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*/
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cloneModuleAttributes(sourceModule, targetModule) {
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const oldMgm = this._getModuleGraphModule(sourceModule);
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const newMgm = this._getModuleGraphModule(targetModule);
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newMgm.postOrderIndex = oldMgm.postOrderIndex;
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newMgm.preOrderIndex = oldMgm.preOrderIndex;
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newMgm.depth = oldMgm.depth;
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newMgm.exports = oldMgm.exports;
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newMgm.async = oldMgm.async;
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}
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/**
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* @param {Module} module the module
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* @returns {void}
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*/
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removeModuleAttributes(module) {
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const mgm = this._getModuleGraphModule(module);
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mgm.postOrderIndex = null;
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mgm.preOrderIndex = null;
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mgm.depth = null;
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mgm.async = false;
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}
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/**
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* @returns {void}
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*/
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removeAllModuleAttributes() {
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for (const mgm of this._moduleMap.values()) {
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mgm.postOrderIndex = null;
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mgm.preOrderIndex = null;
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mgm.depth = null;
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mgm.async = false;
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}
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}
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/**
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* @param {Module} oldModule the old referencing module
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* @param {Module} newModule the new referencing module
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* @param {function(ModuleGraphConnection): boolean} filterConnection filter predicate for replacement
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* @returns {void}
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*/
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moveModuleConnections(oldModule, newModule, filterConnection) {
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if (oldModule === newModule) return;
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const oldMgm = this._getModuleGraphModule(oldModule);
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const newMgm = this._getModuleGraphModule(newModule);
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// Outgoing connections
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const oldConnections = oldMgm.outgoingConnections;
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if (oldConnections !== undefined) {
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if (newMgm.outgoingConnections === undefined) {
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newMgm.outgoingConnections = new Set();
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}
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const newConnections = newMgm.outgoingConnections;
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for (const connection of oldConnections) {
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if (filterConnection(connection)) {
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connection.originModule = newModule;
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newConnections.add(connection);
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oldConnections.delete(connection);
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}
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}
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}
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// Incoming connections
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const oldConnections2 = oldMgm.incomingConnections;
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const newConnections2 = newMgm.incomingConnections;
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for (const connection of oldConnections2) {
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if (filterConnection(connection)) {
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connection.module = newModule;
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newConnections2.add(connection);
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oldConnections2.delete(connection);
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}
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}
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}
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/**
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* @param {Module} oldModule the old referencing module
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* @param {Module} newModule the new referencing module
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* @param {function(ModuleGraphConnection): boolean} filterConnection filter predicate for replacement
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* @returns {void}
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*/
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copyOutgoingModuleConnections(oldModule, newModule, filterConnection) {
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if (oldModule === newModule) return;
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const oldMgm = this._getModuleGraphModule(oldModule);
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const newMgm = this._getModuleGraphModule(newModule);
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// Outgoing connections
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const oldConnections = oldMgm.outgoingConnections;
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if (oldConnections !== undefined) {
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if (newMgm.outgoingConnections === undefined) {
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newMgm.outgoingConnections = new Set();
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}
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const newConnections = newMgm.outgoingConnections;
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for (const connection of oldConnections) {
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if (filterConnection(connection)) {
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const newConnection = connection.clone();
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newConnection.originModule = newModule;
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newConnections.add(newConnection);
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if (newConnection.module !== undefined) {
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const otherMgm = this._getModuleGraphModule(newConnection.module);
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otherMgm.incomingConnections.add(newConnection);
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}
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}
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}
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}
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}
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/**
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* @param {Module} module the referenced module
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* @param {string} explanation an explanation why it's referenced
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* @returns {void}
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*/
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addExtraReason(module, explanation) {
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const connections = this._getModuleGraphModule(module).incomingConnections;
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connections.add(new ModuleGraphConnection(null, null, module, explanation));
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}
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/**
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* @param {Dependency} dependency the dependency to look for a referenced module
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* @returns {Module} the referenced module
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*/
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getResolvedModule(dependency) {
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const { connection } = this._getModuleGraphDependency(dependency);
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return connection !== undefined ? connection.resolvedModule : null;
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}
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/**
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* @param {Dependency} dependency the dependency to look for a referenced module
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* @returns {ModuleGraphConnection | undefined} the connection
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*/
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getConnection(dependency) {
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const { connection } = this._getModuleGraphDependency(dependency);
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return connection;
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}
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||
|
|
/**
|
||
|
|
* @param {Dependency} dependency the dependency to look for a referenced module
|
||
|
|
* @returns {Module} the referenced module
|
||
|
|
*/
|
||
|
|
getModule(dependency) {
|
||
|
|
const { connection } = this._getModuleGraphDependency(dependency);
|
||
|
|
return connection !== undefined ? connection.module : null;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Dependency} dependency the dependency to look for a referencing module
|
||
|
|
* @returns {Module} the referencing module
|
||
|
|
*/
|
||
|
|
getOrigin(dependency) {
|
||
|
|
const { connection } = this._getModuleGraphDependency(dependency);
|
||
|
|
return connection !== undefined ? connection.originModule : null;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Dependency} dependency the dependency to look for a referencing module
|
||
|
|
* @returns {Module} the original referencing module
|
||
|
|
*/
|
||
|
|
getResolvedOrigin(dependency) {
|
||
|
|
const { connection } = this._getModuleGraphDependency(dependency);
|
||
|
|
return connection !== undefined ? connection.resolvedOriginModule : null;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @returns {Iterable<ModuleGraphConnection>} reasons why a module is included
|
||
|
|
*/
|
||
|
|
getIncomingConnections(module) {
|
||
|
|
const connections = this._getModuleGraphModule(module).incomingConnections;
|
||
|
|
return connections;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @returns {Iterable<ModuleGraphConnection>} list of outgoing connections
|
||
|
|
*/
|
||
|
|
getOutgoingConnections(module) {
|
||
|
|
const connections = this._getModuleGraphModule(module).outgoingConnections;
|
||
|
|
return connections === undefined ? EMPTY_ARRAY : connections;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @returns {readonly Map<Module, readonly ModuleGraphConnection[]>} reasons why a module is included, in a map by source module
|
||
|
|
*/
|
||
|
|
getIncomingConnectionsByOriginModule(module) {
|
||
|
|
const connections = this._getModuleGraphModule(module).incomingConnections;
|
||
|
|
return connections.getFromUnorderedCache(getConnectionsByOriginModule);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @returns {ModuleProfile | null} the module profile
|
||
|
|
*/
|
||
|
|
getProfile(module) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
return mgm.profile;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @param {ModuleProfile | null} profile the module profile
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
setProfile(module, profile) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
mgm.profile = profile;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @returns {Module | null} the issuer module
|
||
|
|
*/
|
||
|
|
getIssuer(module) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
return mgm.issuer;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @param {Module | null} issuer the issuer module
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
setIssuer(module, issuer) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
mgm.issuer = issuer;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @param {Module | null} issuer the issuer module
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
setIssuerIfUnset(module, issuer) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
if (mgm.issuer === undefined) mgm.issuer = issuer;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @returns {(string | OptimizationBailoutFunction)[]} optimization bailouts
|
||
|
|
*/
|
||
|
|
getOptimizationBailout(module) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
return mgm.optimizationBailout;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @returns {true | string[] | null} the provided exports
|
||
|
|
*/
|
||
|
|
getProvidedExports(module) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
return mgm.exports.getProvidedExports();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @param {string | string[]} exportName a name of an export
|
||
|
|
* @returns {boolean | null} true, if the export is provided by the module.
|
||
|
|
* null, if it's unknown.
|
||
|
|
* false, if it's not provided.
|
||
|
|
*/
|
||
|
|
isExportProvided(module, exportName) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
const result = mgm.exports.isExportProvided(exportName);
|
||
|
|
return result === undefined ? null : result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @returns {ExportsInfo} info about the exports
|
||
|
|
*/
|
||
|
|
getExportsInfo(module) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
return mgm.exports;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @param {string} exportName the export
|
||
|
|
* @returns {ExportInfo} info about the export
|
||
|
|
*/
|
||
|
|
getExportInfo(module, exportName) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
return mgm.exports.getExportInfo(exportName);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @param {string} exportName the export
|
||
|
|
* @returns {ExportInfo} info about the export (do not modify)
|
||
|
|
*/
|
||
|
|
getReadOnlyExportInfo(module, exportName) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
return mgm.exports.getReadOnlyExportInfo(exportName);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @param {RuntimeSpec} runtime the runtime
|
||
|
|
* @returns {false | true | SortableSet<string> | null} the used exports
|
||
|
|
* false: module is not used at all.
|
||
|
|
* true: the module namespace/object export is used.
|
||
|
|
* SortableSet<string>: these export names are used.
|
||
|
|
* empty SortableSet<string>: module is used but no export.
|
||
|
|
* null: unknown, worst case should be assumed.
|
||
|
|
*/
|
||
|
|
getUsedExports(module, runtime) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
return mgm.exports.getUsedExports(runtime);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @returns {number} the index of the module
|
||
|
|
*/
|
||
|
|
getPreOrderIndex(module) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
return mgm.preOrderIndex;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @returns {number} the index of the module
|
||
|
|
*/
|
||
|
|
getPostOrderIndex(module) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
return mgm.postOrderIndex;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @param {number} index the index of the module
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
setPreOrderIndex(module, index) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
mgm.preOrderIndex = index;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @param {number} index the index of the module
|
||
|
|
* @returns {boolean} true, if the index was set
|
||
|
|
*/
|
||
|
|
setPreOrderIndexIfUnset(module, index) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
if (mgm.preOrderIndex === null) {
|
||
|
|
mgm.preOrderIndex = index;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @param {number} index the index of the module
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
setPostOrderIndex(module, index) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
mgm.postOrderIndex = index;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @param {number} index the index of the module
|
||
|
|
* @returns {boolean} true, if the index was set
|
||
|
|
*/
|
||
|
|
setPostOrderIndexIfUnset(module, index) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
if (mgm.postOrderIndex === null) {
|
||
|
|
mgm.postOrderIndex = index;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @returns {number} the depth of the module
|
||
|
|
*/
|
||
|
|
getDepth(module) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
return mgm.depth;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @param {number} depth the depth of the module
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
setDepth(module, depth) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
mgm.depth = depth;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @param {number} depth the depth of the module
|
||
|
|
* @returns {boolean} true, if the depth was set
|
||
|
|
*/
|
||
|
|
setDepthIfLower(module, depth) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
if (mgm.depth === null || mgm.depth > depth) {
|
||
|
|
mgm.depth = depth;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @returns {boolean} true, if the module is async
|
||
|
|
*/
|
||
|
|
isAsync(module) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
return mgm.async;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
setAsync(module) {
|
||
|
|
const mgm = this._getModuleGraphModule(module);
|
||
|
|
mgm.async = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {any} thing any thing
|
||
|
|
* @returns {Object} metadata
|
||
|
|
*/
|
||
|
|
getMeta(thing) {
|
||
|
|
let meta = this._metaMap.get(thing);
|
||
|
|
if (meta === undefined) {
|
||
|
|
meta = Object.create(null);
|
||
|
|
this._metaMap.set(thing, meta);
|
||
|
|
}
|
||
|
|
return meta;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {any} thing any thing
|
||
|
|
* @returns {Object} metadata
|
||
|
|
*/
|
||
|
|
getMetaIfExisting(thing) {
|
||
|
|
return this._metaMap.get(thing);
|
||
|
|
}
|
||
|
|
|
||
|
|
// TODO remove in webpack 6
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @param {string} deprecateMessage message for the deprecation message
|
||
|
|
* @param {string} deprecationCode code for the deprecation
|
||
|
|
* @returns {ModuleGraph} the module graph
|
||
|
|
*/
|
||
|
|
static getModuleGraphForModule(module, deprecateMessage, deprecationCode) {
|
||
|
|
const fn = deprecateMap.get(deprecateMessage);
|
||
|
|
if (fn) return fn(module);
|
||
|
|
const newFn = util.deprecate(
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @returns {ModuleGraph} the module graph
|
||
|
|
*/
|
||
|
|
module => {
|
||
|
|
const moduleGraph = moduleGraphForModuleMap.get(module);
|
||
|
|
if (!moduleGraph)
|
||
|
|
throw new Error(
|
||
|
|
deprecateMessage +
|
||
|
|
"There was no ModuleGraph assigned to the Module for backward-compat (Use the new API)"
|
||
|
|
);
|
||
|
|
return moduleGraph;
|
||
|
|
},
|
||
|
|
deprecateMessage + ": Use new ModuleGraph API",
|
||
|
|
deprecationCode
|
||
|
|
);
|
||
|
|
deprecateMap.set(deprecateMessage, newFn);
|
||
|
|
return newFn(module);
|
||
|
|
}
|
||
|
|
|
||
|
|
// TODO remove in webpack 6
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @param {ModuleGraph} moduleGraph the module graph
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
static setModuleGraphForModule(module, moduleGraph) {
|
||
|
|
moduleGraphForModuleMap.set(module, moduleGraph);
|
||
|
|
}
|
||
|
|
|
||
|
|
// TODO remove in webpack 6
|
||
|
|
/**
|
||
|
|
* @param {Module} module the module
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
static clearModuleGraphForModule(module) {
|
||
|
|
moduleGraphForModuleMap.delete(module);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// TODO remove in webpack 6
|
||
|
|
/** @type {WeakMap<Module, ModuleGraph>} */
|
||
|
|
const moduleGraphForModuleMap = new WeakMap();
|
||
|
|
|
||
|
|
// TODO remove in webpack 6
|
||
|
|
/** @type {Map<string, (module: Module) => ModuleGraph>} */
|
||
|
|
const deprecateMap = new Map();
|
||
|
|
|
||
|
|
module.exports = ModuleGraph;
|
||
|
|
module.exports.ModuleGraphConnection = ModuleGraphConnection;
|