/var/www/flurhymez/node_modules/webpack/lib
Edit: /var/www/flurhymez/node_modules/webpack/lib/ModuleGraph.js (24568B)
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const util = require("util");
const ExportsInfo = require("./ExportsInfo");
const ModuleGraphConnection = require("./ModuleGraphConnection");
const SortableSet = require("./util/SortableSet");
const WeakTupleMap = require("./util/WeakTupleMap");
/** @typedef {import("./DependenciesBlock")} DependenciesBlock */
/** @typedef {import("./Dependency")} Dependency */
/** @typedef {import("./ExportsInfo").ExportInfo} ExportInfo */
/** @typedef {import("./Module")} Module */
/** @typedef {import("./ModuleProfile")} ModuleProfile */
/** @typedef {import("./RequestShortener")} RequestShortener */
/** @typedef {import("./util/runtime").RuntimeSpec} RuntimeSpec */
/**
* @callback OptimizationBailoutFunction
* @param {RequestShortener} requestShortener
* @returns {string}
*/
const EMPTY_SET = new Set();
/**
* @param {SortableSet
} set input
* @returns {readonly Map} mapped by origin module
*/
const getConnectionsByOriginModule = set => {
const map = new Map();
/** @type {Module | 0} */
let lastModule = 0;
/** @type {ModuleGraphConnection[]} */
let lastList = undefined;
for (const connection of set) {
const { originModule } = connection;
if (lastModule === originModule) {
lastList.push(connection);
} else {
lastModule = originModule;
const list = map.get(originModule);
if (list !== undefined) {
lastList = list;
list.push(connection);
} else {
const list = [connection];
lastList = list;
map.set(originModule, list);
}
}
}
return map;
};
/**
* @param {SortableSet} set input
* @returns {readonly Map} mapped by module
*/
const getConnectionsByModule = set => {
const map = new Map();
/** @type {Module | 0} */
let lastModule = 0;
/** @type {ModuleGraphConnection[]} */
let lastList = undefined;
for (const connection of set) {
const { module } = connection;
if (lastModule === module) {
lastList.push(connection);
} else {
lastModule = module;
const list = map.get(module);
if (list !== undefined) {
lastList = list;
list.push(connection);
} else {
const list = [connection];
lastList = list;
map.set(module, list);
}
}
}
return map;
};
class ModuleGraphModule {
constructor() {
/** @type {SortableSet} */
this.incomingConnections = new SortableSet();
/** @type {SortableSet | undefined} */
this.outgoingConnections = undefined;
/** @type {Module | null} */
this.issuer = undefined;
/** @type {(string | OptimizationBailoutFunction)[]} */
this.optimizationBailout = [];
/** @type {ExportsInfo} */
this.exports = new ExportsInfo();
/** @type {number} */
this.preOrderIndex = null;
/** @type {number} */
this.postOrderIndex = null;
/** @type {number} */
this.depth = null;
/** @type {ModuleProfile} */
this.profile = undefined;
/** @type {boolean} */
this.async = false;
/** @type {ModuleGraphConnection[]} */
this._unassignedConnections = undefined;
}
}
class ModuleGraph {
constructor() {
/** @type {WeakMap} */
this._dependencyMap = new WeakMap();
/** @type {Map} */
this._moduleMap = new Map();
/** @type {WeakMap} */
this._metaMap = new WeakMap();
/** @type {WeakTupleMap} */
this._cache = undefined;
/** @type {Map>} */
this._moduleMemCaches = undefined;
}
/**
* @param {Module} module the module
* @returns {ModuleGraphModule} the internal module
*/
_getModuleGraphModule(module) {
let mgm = this._moduleMap.get(module);
if (mgm === undefined) {
mgm = new ModuleGraphModule();
this._moduleMap.set(module, mgm);
}
return mgm;
}
/**
* @param {Dependency} dependency the dependency
* @param {DependenciesBlock} block parent block
* @param {Module} module parent module
* @param {number=} indexInBlock position in block
* @returns {void}
*/
setParents(dependency, block, module, indexInBlock = -1) {
dependency._parentDependenciesBlockIndex = indexInBlock;
dependency._parentDependenciesBlock = block;
dependency._parentModule = module;
}
/**
* @param {Dependency} dependency the dependency
* @returns {Module} parent module
*/
getParentModule(dependency) {
return dependency._parentModule;
}
/**
* @param {Dependency} dependency the dependency
* @returns {DependenciesBlock} parent block
*/
getParentBlock(dependency) {
return dependency._parentDependenciesBlock;
}
/**
* @param {Dependency} dependency the dependency
* @returns {number} index
*/
getParentBlockIndex(dependency) {
return dependency._parentDependenciesBlockIndex;
}
/**
* @param {Module} originModule the referencing module
* @param {Dependency} dependency the referencing dependency
* @param {Module} module the referenced module
* @returns {void}
*/
setResolvedModule(originModule, dependency, module) {
const connection = new ModuleGraphConnection(
originModule,
dependency,
module,
undefined,
dependency.weak,
dependency.getCondition(this)
);
const connections = this._getModuleGraphModule(module).incomingConnections;
connections.add(connection);
if (originModule) {
const mgm = this._getModuleGraphModule(originModule);
if (mgm._unassignedConnections === undefined) {
mgm._unassignedConnections = [];
}
mgm._unassignedConnections.push(connection);
if (mgm.outgoingConnections === undefined) {
mgm.outgoingConnections = new SortableSet();
}
mgm.outgoingConnections.add(connection);
} else {
this._dependencyMap.set(dependency, connection);
}
}
/**
* @param {Dependency} dependency the referencing dependency
* @param {Module} module the referenced module
* @returns {void}
*/
updateModule(dependency, module) {
const connection = this.getConnection(dependency);
if (connection.module === module) return;
const newConnection = connection.clone();
newConnection.module = module;
this._dependencyMap.set(dependency, newConnection);
connection.setActive(false);
const originMgm = this._getModuleGraphModule(connection.originModule);
originMgm.outgoingConnections.add(newConnection);
const targetMgm = this._getModuleGraphModule(module);
targetMgm.incomingConnections.add(newConnection);
}
/**
* @param {Dependency} dependency the referencing dependency
* @returns {void}
*/
removeConnection(dependency) {
const connection = this.getConnection(dependency);
const targetMgm = this._getModuleGraphModule(connection.module);
targetMgm.incomingConnections.delete(connection);
const originMgm = this._getModuleGraphModule(connection.originModule);
originMgm.outgoingConnections.delete(connection);
this._dependencyMap.set(dependency, null);
}
/**
* @param {Dependency} dependency the referencing dependency
* @param {string} explanation an explanation
* @returns {void}
*/
addExplanation(dependency, explanation) {
const connection = this.getConnection(dependency);
connection.addExplanation(explanation);
}
/**
* @param {Module} sourceModule the source module
* @param {Module} targetModule the target module
* @returns {void}
*/
cloneModuleAttributes(sourceModule, targetModule) {
const oldMgm = this._getModuleGraphModule(sourceModule);
const newMgm = this._getModuleGraphModule(targetModule);
newMgm.postOrderIndex = oldMgm.postOrderIndex;
newMgm.preOrderIndex = oldMgm.preOrderIndex;
newMgm.depth = oldMgm.depth;
newMgm.exports = oldMgm.exports;
newMgm.async = oldMgm.async;
}
/**
* @param {Module} module the module
* @returns {void}
*/
removeModuleAttributes(module) {
const mgm = this._getModuleGraphModule(module);
mgm.postOrderIndex = null;
mgm.preOrderIndex = null;
mgm.depth = null;
mgm.async = false;
}
/**
* @returns {void}
*/
removeAllModuleAttributes() {
for (const mgm of this._moduleMap.values()) {
mgm.postOrderIndex = null;
mgm.preOrderIndex = null;
mgm.depth = null;
mgm.async = false;
}
}
/**
* @param {Module} oldModule the old referencing module
* @param {Module} newModule the new referencing module
* @param {function(ModuleGraphConnection): boolean} filterConnection filter predicate for replacement
* @returns {void}
*/
moveModuleConnections(oldModule, newModule, filterConnection) {
if (oldModule === newModule) return;
const oldMgm = this._getModuleGraphModule(oldModule);
const newMgm = this._getModuleGraphModule(newModule);
// Outgoing connections
const oldConnections = oldMgm.outgoingConnections;
if (oldConnections !== undefined) {
if (newMgm.outgoingConnections === undefined) {
newMgm.outgoingConnections = new SortableSet();
}
const newConnections = newMgm.outgoingConnections;
for (const connection of oldConnections) {
if (filterConnection(connection)) {
connection.originModule = newModule;
newConnections.add(connection);
oldConnections.delete(connection);
}
}
}
// Incoming connections
const oldConnections2 = oldMgm.incomingConnections;
const newConnections2 = newMgm.incomingConnections;
for (const connection of oldConnections2) {
if (filterConnection(connection)) {
connection.module = newModule;
newConnections2.add(connection);
oldConnections2.delete(connection);
}
}
}
/**
* @param {Module} oldModule the old referencing module
* @param {Module} newModule the new referencing module
* @param {function(ModuleGraphConnection): boolean} filterConnection filter predicate for replacement
* @returns {void}
*/
copyOutgoingModuleConnections(oldModule, newModule, filterConnection) {
if (oldModule === newModule) return;
const oldMgm = this._getModuleGraphModule(oldModule);
const newMgm = this._getModuleGraphModule(newModule);
// Outgoing connections
const oldConnections = oldMgm.outgoingConnections;
if (oldConnections !== undefined) {
if (newMgm.outgoingConnections === undefined) {
newMgm.outgoingConnections = new SortableSet();
}
const newConnections = newMgm.outgoingConnections;
for (const connection of oldConnections) {
if (filterConnection(connection)) {
const newConnection = connection.clone();
newConnection.originModule = newModule;
newConnections.add(newConnection);
if (newConnection.module !== undefined) {
const otherMgm = this._getModuleGraphModule(newConnection.module);
otherMgm.incomingConnections.add(newConnection);
}
}
}
}
}
/**
* @param {Module} module the referenced module
* @param {string} explanation an explanation why it's referenced
* @returns {void}
*/
addExtraReason(module, explanation) {
const connections = this._getModuleGraphModule(module).incomingConnections;
connections.add(new ModuleGraphConnection(null, null, module, explanation));
}
/**
* @param {Dependency} dependency the dependency to look for a referenced module
* @returns {Module} the referenced module
*/
getResolvedModule(dependency) {
const connection = this.getConnection(dependency);
return connection !== undefined ? connection.resolvedModule : null;
}
/**
* @param {Dependency} dependency the dependency to look for a referenced module
* @returns {ModuleGraphConnection | undefined} the connection
*/
getConnection(dependency) {
const connection = this._dependencyMap.get(dependency);
if (connection === undefined) {
const module = this.getParentModule(dependency);
if (module !== undefined) {
const mgm = this._getModuleGraphModule(module);
if (
mgm._unassignedConnections &&
mgm._unassignedConnections.length !== 0
) {
let foundConnection;
for (const connection of mgm._unassignedConnections) {
this._dependencyMap.set(connection.dependency, connection);
if (connection.dependency === dependency)
foundConnection = connection;
}
mgm._unassignedConnections.length = 0;
if (foundConnection !== undefined) {
return foundConnection;
}
}
}
this._dependencyMap.set(dependency, null);
return undefined;
}
return connection === null ? undefined : connection;
}
/**
* @param {Dependency} dependency the dependency to look for a referenced module
* @returns {Module} the referenced module
*/
getModule(dependency) {
const connection = this.getConnection(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.getConnection(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.getConnection(dependency);
return connection !== undefined ? connection.resolvedOriginModule : null;
}
/**
* @param {Module} module the module
* @returns {Iterable} reasons why a module is included
*/
getIncomingConnections(module) {
const connections = this._getModuleGraphModule(module).incomingConnections;
return connections;
}
/**
* @param {Module} module the module
* @returns {Iterable} list of outgoing connections
*/
getOutgoingConnections(module) {
const connections = this._getModuleGraphModule(module).outgoingConnections;
return connections === undefined ? EMPTY_SET : connections;
}
/**
* @param {Module} module the module
* @returns {readonly Map} 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 {readonly Map | undefined} connections to modules, in a map by module
*/
getOutgoingConnectionsByModule(module) {
const connections = this._getModuleGraphModule(module).outgoingConnections;
return connections === undefined
? undefined
: connections.getFromUnorderedCache(getConnectionsByModule);
}
/**
* @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 | null} the used exports
* false: module is not used at all.
* true: the module namespace/object export is used.
* SortableSet: these export names are used.
* empty SortableSet: 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);
}
/**
* @param {string=} cacheStage a persistent stage name for caching
*/
freeze(cacheStage) {
this._cache = new WeakTupleMap();
this._cacheStage = cacheStage;
}
unfreeze() {
this._cache = undefined;
this._cacheStage = undefined;
}
/**
* @template {any[]} T
* @template V
* @param {(moduleGraph: ModuleGraph, ...args: T) => V} fn computer
* @param {T} args arguments
* @returns {V} computed value or cached
*/
cached(fn, ...args) {
if (this._cache === undefined) return fn(this, ...args);
return this._cache.provide(fn, ...args, () => fn(this, ...args));
}
/**
* @param {Map>} moduleMemCaches mem caches for modules for better caching
*/
setModuleMemCaches(moduleMemCaches) {
this._moduleMemCaches = moduleMemCaches;
}
/**
* @param {Dependency} dependency dependency
* @param {...any} args arguments, last argument is a function called with moduleGraph, dependency, ...args
* @returns {any} computed value or cached
*/
dependencyCacheProvide(dependency, ...args) {
/** @type {(moduleGraph: ModuleGraph, dependency: Dependency, ...args: any[]) => any} */
const fn = args.pop();
if (this._moduleMemCaches && this._cacheStage) {
const memCache = this._moduleMemCaches.get(
this.getParentModule(dependency)
);
if (memCache !== undefined) {
return memCache.provide(dependency, this._cacheStage, ...args, () =>
fn(this, dependency, ...args)
);
}
}
if (this._cache === undefined) return fn(this, dependency, ...args);
return this._cache.provide(dependency, ...args, () =>
fn(this, dependency, ...args)
);
}
// 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} */
const moduleGraphForModuleMap = new WeakMap();
// TODO remove in webpack 6
/** @type {Map ModuleGraph>} */
const deprecateMap = new Map();
module.exports = ModuleGraph;
module.exports.ModuleGraphConnection = ModuleGraphConnection;