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1268 lines (1175 loc) · 37.9 KB
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/*
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 HarmonyImportDependency = require("./dependencies/HarmonyImportDependency");
const { ImportPhaseUtils } = require("./dependencies/ImportPhase");
const SortableSet = require("./util/SortableSet");
const WeakTupleMap = require("./util/WeakTupleMap");
const { sortWithSourceOrder } = require("./util/comparators");
/** @import { ModuleMemCaches } from "./Compilation" */
/** @import DependenciesBlock from "./DependenciesBlock" */
/** @import Dependency, { ExportInfoName } from "./Dependency" */
/** @import { ExportInfo } from "./ExportsInfo" */
/** @import Module from "./Module" */
/** @import ModuleProfile from "./ModuleProfile" */
/** @import RequestShortener from "./RequestShortener" */
/** @import { RuntimeSpec } from "./util/runtime" */
/** @import HarmonyImportSideEffectDependency from "./dependencies/HarmonyImportSideEffectDependency" */
/**
* @import HarmonyImportSpecifierDependency, {
* idsSymbol as HarmonyImportSpecifierDependencyIDsSymbol
* } from "./dependencies/HarmonyImportSpecifierDependency"
*/
/** @import { DependencySourceOrder } from "./util/comparators" */
/**
* Defines the optimization bailout function callback.
* @callback OptimizationBailoutFunction
* @param {RequestShortener} requestShortener
* @returns {string}
*/
/** @type {Iterable<ModuleGraphConnection>} */
const EMPTY_SET = new Set();
/**
* Gets connections by key.
* @template {Module | null | undefined} T
* @param {SortableSet<ModuleGraphConnection>} set input
* @param {(connection: ModuleGraphConnection) => T} getKey function to extract key from connection
* @returns {ReadonlyMap<T, ReadonlyArray<ModuleGraphConnection>>} mapped by key
*/
const getConnectionsByKey = (set, getKey) => {
/** @type {Map<T, ModuleGraphConnection[]>} */
const map = new Map();
/** @type {T | 0} */
let lastKey = 0;
/** @type {ModuleGraphConnection[] | undefined} */
let lastList;
for (const connection of set) {
const key = getKey(connection);
if (lastKey === key) {
/** @type {ModuleGraphConnection[]} */
(lastList).push(connection);
} else {
lastKey = key;
const list = map.get(key);
if (list !== undefined) {
lastList = list;
list.push(connection);
} else {
const list = [connection];
lastList = list;
map.set(key, list);
}
}
}
return map;
};
/**
* Gets connections by origin module.
* @param {SortableSet<ModuleGraphConnection>} set input
* @returns {ReadonlyMap<Module | undefined | null, ReadonlyArray<ModuleGraphConnection>>} mapped by origin module
*/
const getConnectionsByOriginModule = (set) =>
getConnectionsByKey(set, (connection) => connection.originModule);
/**
* Gets connections by module.
* @param {SortableSet<ModuleGraphConnection>} set input
* @returns {ReadonlyMap<Module | undefined, ReadonlyArray<ModuleGraphConnection>>} mapped by module
*/
const getConnectionsByModule = (set) =>
getConnectionsByKey(set, (connection) => connection.module);
/** @typedef {SortableSet<ModuleGraphConnection>} IncomingConnections */
/** @typedef {SortableSet<ModuleGraphConnection>} OutgoingConnections */
/** @typedef {Module | null | undefined} Issuer */
/** @typedef {(string | OptimizationBailoutFunction)[]} OptimizationBailouts */
class ModuleGraphModule {
constructor() {
/** @type {IncomingConnections} */
this.incomingConnections = new SortableSet();
/** @type {OutgoingConnections | undefined} */
this.outgoingConnections = undefined;
/** @type {Issuer} */
this.issuer = undefined;
/** @type {OptimizationBailouts} */
this.optimizationBailout = [];
/** @type {ExportsInfo} */
this.exports = new ExportsInfo();
/** @type {number | null} */
this.preOrderIndex = null;
/** @type {number | null} */
this.postOrderIndex = null;
/** @type {number | null} */
this.depth = null;
/** @type {ModuleProfile | undefined} */
this.profile = undefined;
/** @type {boolean} */
this.async = false;
/** @type {ModuleGraphConnection[] | undefined} */
this._unassignedConnections = undefined;
}
}
/** @typedef {(moduleGraphConnection: ModuleGraphConnection) => boolean} FilterConnection */
/** @typedef {EXPECTED_OBJECT} MetaKey */
/**
* @import {
* idsSymbol as CommonJsExportRequireDependencyIDsSymbol
* } from "./dependencies/CommonJsExportRequireDependency"
*/
/**
* @import {
* idsSymbol as HarmonyExportImportedSpecifierDependencyIDsSymbol
* } from "./dependencies/HarmonyExportImportedSpecifierDependency"
*/
/**
* Defines the known meta type used by this module.
* @typedef {object} KnownMeta
* @property {Map<Module, string>=} importVarMap
* @property {Map<Module, string>=} deferredImportVarMap
*/
/** @typedef {KnownMeta & Record<CommonJsExportRequireDependencyIDsSymbol | HarmonyImportSpecifierDependencyIDsSymbol | HarmonyExportImportedSpecifierDependencyIDsSymbol, string[]> & Record<string, EXPECTED_ANY>} Meta */
class ModuleGraph {
constructor() {
/**
* @type {WeakMap<Dependency, ModuleGraphConnection | null>}
* @private
*/
this._dependencyMap = new WeakMap();
/**
* @type {Map<Module, ModuleGraphModule>}
* @private
*/
this._moduleMap = new Map();
/**
* @type {WeakMap<MetaKey, Meta>}
* @private
*/
this._metaMap = new WeakMap();
/**
* @type {WeakTupleMap<EXPECTED_ANY[], EXPECTED_ANY> | undefined}
* @private
*/
this._cache = undefined;
/**
* @type {ModuleMemCaches | undefined}
* @private
*/
this._moduleMemCaches = undefined;
/**
* @type {string | undefined}
* @private
*/
this._cacheStage = undefined;
// incremental rebuilds: when set, move/copyOutgoingModuleConnections record
// their seal-time graph mutations (concatenation) here so they can be reversed,
// keeping this durable graph reusable across rebuilds
/**
* @type {{ oldModule?: Module, newModule: Module, movedOut?: ModuleGraphConnection[] | undefined, movedIn?: ModuleGraphConnection[] | undefined, copied?: ModuleGraphConnection[] }[] | undefined}
* @private
*/
this._mutationJournal = undefined;
/**
* @type {WeakMap<Dependency, DependencySourceOrder>}
* @private
*/
this._dependencySourceOrderMap = new WeakMap();
/**
* @type {Set<Module>}
* @private
*/
this._modulesNeedingSort = new Set();
}
/**
* Get module graph module.
* @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;
}
/**
* Updates parents using the provided dependency.
* @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;
}
/**
* Sets parent dependencies block index.
* @param {Dependency} dependency the dependency
* @param {number} index the index
* @returns {void}
*/
setParentDependenciesBlockIndex(dependency, index) {
dependency._parentDependenciesBlockIndex = index;
}
/**
* Gets parent module.
* @param {Dependency} dependency the dependency
* @returns {Module | undefined} parent module
*/
getParentModule(dependency) {
return dependency._parentModule;
}
/**
* Returns parent block.
* @param {Dependency} dependency the dependency
* @returns {DependenciesBlock | undefined} parent block
*/
getParentBlock(dependency) {
return dependency._parentDependenciesBlock;
}
/**
* Gets parent block index.
* @param {Dependency} dependency the dependency
* @returns {number} index
*/
getParentBlockIndex(dependency) {
return dependency._parentDependenciesBlockIndex;
}
/**
* Sets resolved module.
* @param {Module | null} 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,
// weak is defined on ModuleDependency; undefined for other dependency kinds
/** @type {{ weak?: boolean }} */ (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);
}
}
/**
* Updates module using the provided dependency.
* @param {Dependency} dependency the referencing dependency
* @param {Module} module the referenced module
* @returns {void}
*/
updateModule(dependency, module) {
const connection =
/** @type {ModuleGraphConnection} */
(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(
/** @type {Module} */ (connection.originModule)
);
/** @type {OutgoingConnections} */
(originMgm.outgoingConnections).add(newConnection);
const targetMgm = this._getModuleGraphModule(module);
targetMgm.incomingConnections.add(newConnection);
}
/**
* Updates parent using the provided dependency.
* @param {Dependency} dependency the need update dependency
* @param {ModuleGraphConnection=} connection the target connection
* @param {Module=} parentModule the parent module
* @returns {void}
*/
updateParent(dependency, connection, parentModule) {
if (this._dependencySourceOrderMap.has(dependency)) {
return;
}
if (!connection || !parentModule) {
return;
}
const originDependency = connection.dependency;
// src/index.js
// import { c } from "lib/c" -> c = 0
// import { a, b } from "lib" -> a and b have the same source order -> a = b = 1
// import { d } from "lib/d" -> d = 2
const currentSourceOrder =
/** @type {HarmonyImportSideEffectDependency | HarmonyImportSpecifierDependency} */
(dependency).sourceOrder;
// lib/index.js (reexport)
// import { a } from "lib/a" -> a = 0
// import { b } from "lib/b" -> b = 1
const originSourceOrder =
/** @type {HarmonyImportSideEffectDependency | HarmonyImportSpecifierDependency} */
(originDependency).sourceOrder;
if (
typeof currentSourceOrder === "number" &&
typeof originSourceOrder === "number"
) {
// src/index.js
// import { c } from "lib/c" -> c = 0
// import { a } from "lib/a" -> a = 1.0 = 1(main) + 0.0(sub)
// import { b } from "lib/b" -> b = 1.1 = 1(main) + 0.1(sub)
// import { d } from "lib/d" -> d = 2
this._dependencySourceOrderMap.set(dependency, {
main: currentSourceOrder,
sub: originSourceOrder
});
// Save for later batch sorting
this._modulesNeedingSort.add(parentModule);
}
}
/**
* Finish update parent.
* @returns {void}
*/
finishUpdateParent() {
if (this._modulesNeedingSort.size === 0) {
return;
}
for (const mod of this._modulesNeedingSort) {
// If dependencies like HarmonyImportSideEffectDependency and HarmonyImportSpecifierDependency have a SourceOrder,
// we sort based on it; otherwise, we preserve the original order.
sortWithSourceOrder(
mod.dependencies,
this._dependencySourceOrderMap,
(dep, index) => this.setParentDependenciesBlockIndex(dep, index)
);
}
this._modulesNeedingSort.clear();
}
/**
* Removes connection.
* @param {Dependency} dependency the referencing dependency
* @returns {void}
*/
removeConnection(dependency) {
const connection =
/** @type {ModuleGraphConnection} */
(this.getConnection(dependency));
const targetMgm = this._getModuleGraphModule(connection.module);
targetMgm.incomingConnections.delete(connection);
const originMgm = this._getModuleGraphModule(
/** @type {Module} */ (connection.originModule)
);
/** @type {OutgoingConnections} */
(originMgm.outgoingConnections).delete(connection);
this._dependencyMap.set(dependency, null);
}
/**
* Removes every outgoing connection of `module` whose dependency is in
* `staleDependencies`, including inactive ones left by `updateModule`
* re-targeting (which the dependency-keyed `removeConnection` misses). Needed
* when a module is rebuilt against a persisted graph so stale connections don't
* linger in the old target's incoming set and crash seal-time plugins.
* @param {Module} module the rebuilt origin module
* @param {Set<Dependency>} staleDependencies dependencies replaced by the rebuild
* @returns {void}
*/
_removeStaleOutgoingConnections(module, staleDependencies) {
const mgm = this._getModuleGraphModule(module);
const outgoing = mgm.outgoingConnections;
if (outgoing === undefined) return;
for (const connection of outgoing) {
if (
!staleDependencies.has(
/** @type {Dependency} */ (connection.dependency)
)
) {
continue;
}
outgoing.delete(connection);
if (connection.module !== null) {
this._getModuleGraphModule(
connection.module
).incomingConnections.delete(connection);
}
}
}
/**
* Assigns `module`'s pending outgoing connections into the dependency map by
* origin. `getConnection` normally does this lazily keyed by a dependency's
* PARENT module; an incremental barrel un-lazy wires a re-export target from
* the importer's walk, so the export dep's parent differs from its origin
* barrel and the lazy flush never reaches it. Flush by origin to fix that.
* @param {Module} module the origin module
* @returns {void}
*/
_flushUnassignedConnections(module) {
const mgm = this._getModuleGraphModule(module);
const pending = mgm._unassignedConnections;
if (pending === undefined || pending.length === 0) return;
for (const connection of pending) {
this._dependencyMap.set(
/** @type {Dependency} */ (connection.dependency),
connection
);
}
pending.length = 0;
}
/**
* Adds the provided dependency to the module graph.
* @param {Dependency} dependency the referencing dependency
* @param {string} explanation an explanation
* @returns {void}
*/
addExplanation(dependency, explanation) {
const connection =
/** @type {ModuleGraphConnection} */
(this.getConnection(dependency));
connection.addExplanation(explanation);
}
/**
* Clones module attributes.
* @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;
}
/**
* Removes module attributes.
* @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;
}
/**
* Removes a module from the graph entirely, detaching its connections. Used to
* drop stale runtime modules on an incremental rebuild so the persisted graph
* doesn't accumulate them.
* @param {Module} module the module to remove
* @returns {void}
*/
_removeModule(module) {
const mgm = this._moduleMap.get(module);
if (mgm === undefined) return;
if (mgm.outgoingConnections !== undefined) {
for (const connection of mgm.outgoingConnections) {
if (connection.module && connection.module !== module) {
const other = this._moduleMap.get(connection.module);
if (other !== undefined) other.incomingConnections.delete(connection);
}
}
}
for (const connection of mgm.incomingConnections) {
if (connection.originModule && connection.originModule !== module) {
const other = this._moduleMap.get(connection.originModule);
if (other !== undefined && other.outgoingConnections !== undefined) {
other.outgoingConnections.delete(connection);
}
}
}
this._moduleMap.delete(module);
}
/**
* Removes all module attributes.
* @returns {void}
*/
removeAllModuleAttributes() {
for (const mgm of this._moduleMap.values()) {
mgm.postOrderIndex = null;
mgm.preOrderIndex = null;
mgm.depth = null;
mgm.async = false;
}
}
/**
* Move module connections.
* @param {Module} oldModule the old referencing module
* @param {Module} newModule the new referencing module
* @param {FilterConnection} 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);
const journal = this._mutationJournal;
/** @type {ModuleGraphConnection[] | undefined} */
const movedOut = journal ? [] : undefined;
/** @type {ModuleGraphConnection[] | undefined} */
const movedIn = journal ? [] : undefined;
// 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);
if (movedOut) movedOut.push(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);
if (movedIn) movedIn.push(connection);
}
}
if (journal) journal.push({ oldModule, newModule, movedOut, movedIn });
}
/**
* Start recording connection moves so they can later be reversed for incremental rebuilds.
* @returns {void}
*/
_startMutationJournal() {
this._mutationJournal = [];
}
/**
* Reverse all recorded connection moves, restoring the graph to its pre-seal
* (end-of-make) state, then stop recording (incremental rebuilds).
* @returns {void}
*/
_restoreFromMutationJournal() {
const journal = this._mutationJournal;
if (journal === undefined) return;
for (let i = journal.length - 1; i >= 0; i--) {
const { oldModule, newModule, movedOut, movedIn, copied } = journal[i];
const newMgm = this._getModuleGraphModule(newModule);
// copyOutgoingModuleConnections clones connections onto newModule and the
// external targets; undo by deleting the clones (there is no oldModule)
if (copied !== undefined) {
for (const connection of copied) {
if (newMgm.outgoingConnections !== undefined) {
newMgm.outgoingConnections.delete(connection);
}
if (connection.module !== null && connection.module !== undefined) {
this._getModuleGraphModule(
connection.module
).incomingConnections.delete(connection);
}
}
continue;
}
const oldModuleT = /** @type {Module} */ (oldModule);
const oldMgm = this._getModuleGraphModule(oldModuleT);
if (movedOut !== undefined) {
if (oldMgm.outgoingConnections === undefined) {
oldMgm.outgoingConnections = new SortableSet();
}
for (const connection of movedOut) {
connection.originModule = oldModuleT;
oldMgm.outgoingConnections.add(connection);
if (newMgm.outgoingConnections !== undefined) {
newMgm.outgoingConnections.delete(connection);
}
}
}
if (movedIn !== undefined) {
for (const connection of movedIn) {
connection.module = oldModuleT;
oldMgm.incomingConnections.add(connection);
newMgm.incomingConnections.delete(connection);
}
}
}
this._mutationJournal = undefined;
}
/**
* Copies outgoing module connections.
* @param {Module} oldModule the old referencing module
* @param {Module} newModule the new referencing module
* @param {FilterConnection} 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);
const journal = this._mutationJournal;
/** @type {ModuleGraphConnection[] | undefined} */
const copied = journal ? [] : undefined;
// 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);
}
if (copied) copied.push(newConnection);
}
}
}
if (journal && copied !== undefined && copied.length > 0) {
journal.push({ newModule, copied });
}
}
/**
* Adds the provided module to the module graph.
* @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));
}
/**
* Gets resolved module.
* @param {Dependency} dependency the dependency to look for a referenced module
* @returns {Module | null} the referenced module
*/
getResolvedModule(dependency) {
const connection = this.getConnection(dependency);
return connection !== undefined ? connection.resolvedModule : null;
}
/**
* Returns the connection.
* @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
) {
/** @type {undefined | ModuleGraphConnection} */
let foundConnection;
for (const connection of mgm._unassignedConnections) {
this._dependencyMap.set(
/** @type {Dependency} */ (connection.dependency),
connection
);
if (connection.dependency === dependency) {
foundConnection = connection;
}
}
mgm._unassignedConnections.length = 0;
if (foundConnection !== undefined) {
return foundConnection;
}
}
}
this._dependencyMap.set(dependency, null);
return;
}
return connection === null ? undefined : connection;
}
/**
* Returns the referenced module.
* @param {Dependency} dependency the dependency to look for a referenced module
* @returns {Module | null} the referenced module
*/
getModule(dependency) {
const connection = this.getConnection(dependency);
return connection !== undefined ? connection.module : null;
}
/**
* Returns the referencing module.
* @param {Dependency} dependency the dependency to look for a referencing module
* @returns {Module | null} the referencing module
*/
getOrigin(dependency) {
const connection = this.getConnection(dependency);
return connection !== undefined ? connection.originModule : null;
}
/**
* Gets resolved origin.
* @param {Dependency} dependency the dependency to look for a referencing module
* @returns {Module | null} the original referencing module
*/
getResolvedOrigin(dependency) {
const connection = this.getConnection(dependency);
return connection !== undefined ? connection.resolvedOriginModule : null;
}
/**
* Gets incoming connections.
* @param {Module} module the module
* @returns {Iterable<ModuleGraphConnection>} reasons why a module is included
*/
getIncomingConnections(module) {
const connections = this._getModuleGraphModule(module).incomingConnections;
return connections;
}
/**
* Gets outgoing 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_SET : connections;
}
/**
* Gets incoming connections by origin module.
* @param {Module} module the module
* @returns {ReadonlyMap<Module | undefined | null, ReadonlyArray<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);
}
/**
* Gets outgoing connections by module.
* @param {Module} module the module
* @returns {ReadonlyMap<Module | undefined, ReadonlyArray<ModuleGraphConnection>> | undefined} connections to modules, in a map by module
*/
getOutgoingConnectionsByModule(module) {
const connections = this._getModuleGraphModule(module).outgoingConnections;
return connections === undefined
? undefined
: connections.getFromUnorderedCache(getConnectionsByModule);
}
/**
* Returns the module profile.
* @param {Module} module the module
* @returns {ModuleProfile | undefined} the module profile
*/
getProfile(module) {
const mgm = this._getModuleGraphModule(module);
return mgm.profile;
}
/**
* Updates profile using the provided module.
* @param {Module} module the module
* @param {ModuleProfile | undefined} profile the module profile
* @returns {void}
*/
setProfile(module, profile) {
const mgm = this._getModuleGraphModule(module);
mgm.profile = profile;
}
/**
* Returns the issuer module.
* @param {Module} module the module
* @returns {Issuer} the issuer module
*/
getIssuer(module) {
const mgm = this._getModuleGraphModule(module);
return mgm.issuer;
}
/**
* Updates issuer using the provided module.
* @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;
}
/**
* Sets issuer if unset.
* @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;
}
/**
* Gets optimization bailout.
* @param {Module} module the module
* @returns {OptimizationBailouts} optimization bailouts
*/
getOptimizationBailout(module) {
const mgm = this._getModuleGraphModule(module);
return mgm.optimizationBailout;
}
/**
* Gets provided exports.
* @param {Module} module the module
* @returns {null | true | ExportInfoName[]} the provided exports
*/
getProvidedExports(module) {
const mgm = this._getModuleGraphModule(module);
return mgm.exports.getProvidedExports();
}
/**
* Checks whether this module graph is export provided.
* @param {Module} module the module
* @param {ExportInfoName | ExportInfoName[]} 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;
}
/**
* Returns info about the exports.
* @param {Module} module the module
* @returns {ExportsInfo} info about the exports
*/
getExportsInfo(module) {
const mgm = this._getModuleGraphModule(module);
return mgm.exports;
}
/**
* Returns info about the export.
* @param {Module} module the module
* @param {string} exportName the export
* @returns {InstanceType<ExportInfo>} info about the export
*/
getExportInfo(module, exportName) {
const mgm = this._getModuleGraphModule(module);
return mgm.exports.getExportInfo(exportName);
}
/**
* Gets read only export info.
* @param {Module} module the module
* @param {string} exportName the export
* @returns {InstanceType<ExportInfo>} info about the export (do not modify)
*/
getReadOnlyExportInfo(module, exportName) {
const mgm = this._getModuleGraphModule(module);
return mgm.exports.getReadOnlyExportInfo(exportName);
}
/**
* Returns the used exports.
* @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);
}
/**
* Gets pre order index.
* @param {Module} module the module
* @returns {number | null} the index of the module
*/
getPreOrderIndex(module) {
const mgm = this._getModuleGraphModule(module);
return mgm.preOrderIndex;
}
/**
* Gets post order index.
* @param {Module} module the module
* @returns {number | null} the index of the module
*/
getPostOrderIndex(module) {
const mgm = this._getModuleGraphModule(module);
return mgm.postOrderIndex;
}
/**
* Sets pre order index.
* @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;
}
/**
* Sets pre order index if unset.
* @param {Module} module the module
* @param {number} index the index of the module
* @returns {boolean} true, if the index was set
*/