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APIPlugin.js	9.33 KB	-rw-rw-rw-
AbstractMethodError.js	1.2 KB	-rw-rw-rw-
AsyncDependenciesBlock.js	3.26 KB	-rw-rw-rw-
AsyncDependencyToInitialChunkE...	913 B	-rw-rw-rw-
AutomaticPrefetchPlugin.js	1.52 KB	-rw-rw-rw-
BannerPlugin.js	3.6 KB	-rw-rw-rw-
Cache.js	4.02 KB	-rw-rw-rw-
CacheFacade.js	8.5 KB	-rw-rw-rw-
CaseSensitiveModulesWarning.js	2.07 KB	-rw-rw-rw-
Chunk.js	22.66 KB	-rw-rw-rw-
ChunkGraph.js	53.68 KB	-rw-rw-rw-
ChunkGroup.js	15.36 KB	-rw-rw-rw-
ChunkRenderError.js	657 B	-rw-rw-rw-
ChunkTemplate.js	5.74 KB	-rw-rw-rw-
CleanPlugin.js	11.96 KB	-rw-rw-rw-
CodeGenerationError.js	619 B	-rw-rw-rw-
CodeGenerationResults.js	4.56 KB	-rw-rw-rw-
CommentCompilationWarning.js	725 B	-rw-rw-rw-
CompatibilityPlugin.js	5.74 KB	-rw-rw-rw-
Compilation.js	165.88 KB	-rw-rw-rw-
Compiler.js	39.7 KB	-rw-rw-rw-
ConcatenationScope.js	4.23 KB	-rw-rw-rw-
ConcurrentCompilationError.js	441 B	-rw-rw-rw-
ConditionalInitFragment.js	3.68 KB	-rw-rw-rw-
ConstPlugin.js	16.16 KB	-rw-rw-rw-
ContextExclusionPlugin.js	786 B	-rw-rw-rw-
ContextModule.js	37.37 KB	-rw-rw-rw-
ContextModuleFactory.js	13.99 KB	-rw-rw-rw-
ContextReplacementPlugin.js	5.26 KB	-rw-rw-rw-
CssModule.js	4.67 KB	-rw-rw-rw-
DefinePlugin.js	19.65 KB	-rw-rw-rw-
DelegatedModule.js	8.05 KB	-rw-rw-rw-
DelegatedModuleFactoryPlugin.j...	3.44 KB	-rw-rw-rw-
DelegatedPlugin.js	1.11 KB	-rw-rw-rw-
DependenciesBlock.js	3.47 KB	-rw-rw-rw-
Dependency.js	10.23 KB	-rw-rw-rw-
DependencyTemplate.js	2.77 KB	-rw-rw-rw-
DependencyTemplates.js	1.71 KB	-rw-rw-rw-
DllEntryPlugin.js	1.67 KB	-rw-rw-rw-
DllModule.js	5.16 KB	-rw-rw-rw-
DllModuleFactory.js	1018 B	-rw-rw-rw-
DllPlugin.js	1.83 KB	-rw-rw-rw-
DllReferencePlugin.js	6.06 KB	-rw-rw-rw-
DynamicEntryPlugin.js	2.3 KB	-rw-rw-rw-
EntryOptionPlugin.js	2.88 KB	-rw-rw-rw-
EntryPlugin.js	1.73 KB	-rw-rw-rw-
Entrypoint.js	2.99 KB	-rw-rw-rw-
EnvironmentNotSupportAsyncWarn...	1.85 KB	-rw-rw-rw-
EnvironmentPlugin.js	1.87 KB	-rw-rw-rw-
ErrorHelpers.js	2.85 KB	-rw-rw-rw-
EvalDevToolModulePlugin.js	4.17 KB	-rw-rw-rw-
EvalSourceMapDevToolPlugin.js	7.22 KB	-rw-rw-rw-
ExportsInfo.js	45.01 KB	-rw-rw-rw-
ExportsInfoApiPlugin.js	2.52 KB	-rw-rw-rw-
ExternalModule.js	29.18 KB	-rw-rw-rw-
ExternalModuleFactoryPlugin.js	9.68 KB	-rw-rw-rw-
ExternalsPlugin.js	899 B	-rw-rw-rw-
FileSystemInfo.js	116.52 KB	-rw-rw-rw-
FlagAllModulesAsUsedPlugin.js	1.5 KB	-rw-rw-rw-
FlagDependencyExportsPlugin.js	12.94 KB	-rw-rw-rw-
FlagDependencyUsagePlugin.js	10.81 KB	-rw-rw-rw-
FlagEntryExportAsUsedPlugin.js	1.46 KB	-rw-rw-rw-
Generator.js	5.06 KB	-rw-rw-rw-
GraphHelpers.js	1.06 KB	-rw-rw-rw-
HarmonyLinkingError.js	357 B	-rw-rw-rw-
HookWebpackError.js	2.03 KB	-rw-rw-rw-
HotModuleReplacementPlugin.js	29.02 KB	-rw-rw-rw-
HotUpdateChunk.js	353 B	-rw-rw-rw-
IgnoreErrorModuleFactory.js	1.02 KB	-rw-rw-rw-
IgnorePlugin.js	2.66 KB	-rw-rw-rw-
IgnoreWarningsPlugin.js	919 B	-rw-rw-rw-
InitFragment.js	5.35 KB	-rw-rw-rw-
InvalidDependenciesModuleWarni...	1.83 KB	-rw-rw-rw-
JavascriptMetaInfoPlugin.js	2.3 KB	-rw-rw-rw-
LibManifestPlugin.js	4.42 KB	-rw-rw-rw-
LibraryTemplatePlugin.js	1.55 KB	-rw-rw-rw-
LoaderOptionsPlugin.js	2.25 KB	-rw-rw-rw-
LoaderTargetPlugin.js	747 B	-rw-rw-rw-
MainTemplate.js	12.59 KB	-rw-rw-rw-
Module.js	33.3 KB	-rw-rw-rw-
ModuleBuildError.js	1.84 KB	-rw-rw-rw-
ModuleDependencyError.js	1.15 KB	-rw-rw-rw-
ModuleDependencyWarning.js	1.26 KB	-rw-rw-rw-
ModuleError.js	1.48 KB	-rw-rw-rw-
ModuleFactory.js	1.4 KB	-rw-rw-rw-
ModuleFilenameHelpers.js	13.51 KB	-rw-rw-rw-
ModuleGraph.js	25 KB	-rw-rw-rw-
ModuleGraphConnection.js	5.53 KB	-rw-rw-rw-
ModuleHashingError.js	615 B	-rw-rw-rw-
ModuleInfoHeaderPlugin.js	8.87 KB	-rw-rw-rw-
ModuleNotFoundError.js	2.63 KB	-rw-rw-rw-
ModuleParseError.js	3.58 KB	-rw-rw-rw-
ModuleProfile.js	2.44 KB	-rw-rw-rw-
ModuleRestoreError.js	1.01 KB	-rw-rw-rw-
ModuleSourceTypesConstants.js	2.4 KB	-rw-rw-rw-
ModuleStoreError.js	1 KB	-rw-rw-rw-
ModuleTemplate.js	5.17 KB	-rw-rw-rw-
ModuleTypeConstants.js	6.47 KB	-rw-rw-rw-
ModuleWarning.js	1.56 KB	-rw-rw-rw-
MultiCompiler.js	18.04 KB	-rw-rw-rw-
MultiStats.js	5.74 KB	-rw-rw-rw-
MultiWatching.js	1.55 KB	-rw-rw-rw-
NoEmitOnErrorsPlugin.js	713 B	-rw-rw-rw-
NoModeWarning.js	663 B	-rw-rw-rw-
NodeStuffInWebError.js	843 B	-rw-rw-rw-
NodeStuffPlugin.js	8.17 KB	-rw-rw-rw-
NormalModule.js	49.02 KB	-rw-rw-rw-
NormalModuleFactory.js	38.85 KB	-rw-rw-rw-
NormalModuleReplacementPlugin....	2.05 KB	-rw-rw-rw-
NullFactory.js	637 B	-rw-rw-rw-
OptimizationStages.js	225 B	-rw-rw-rw-
OptionsApply.js	523 B	-rw-rw-rw-
Parser.js	968 B	-rw-rw-rw-
PlatformPlugin.js	894 B	-rw-rw-rw-
PrefetchPlugin.js	1.14 KB	-rw-rw-rw-
ProgressPlugin.js	19.76 KB	-rw-rw-rw-
ProvidePlugin.js	3.63 KB	-rw-rw-rw-
RawModule.js	5.18 KB	-rw-rw-rw-
RecordIdsPlugin.js	6.69 KB	-rw-rw-rw-
RequestShortener.js	755 B	-rw-rw-rw-
RequireJsStuffPlugin.js	2.24 KB	-rw-rw-rw-
ResolverFactory.js	5.05 KB	-rw-rw-rw-
RuntimeGlobals.js	9.59 KB	-rw-rw-rw-
RuntimeModule.js	5.97 KB	-rw-rw-rw-
RuntimePlugin.js	16.98 KB	-rw-rw-rw-
RuntimeTemplate.js	32.79 KB	-rw-rw-rw-
SelfModuleFactory.js	844 B	-rw-rw-rw-
SingleEntryPlugin.js	161 B	-rw-rw-rw-
SizeFormatHelpers.js	584 B	-rw-rw-rw-
SourceMapDevToolModuleOptionsP...	1.49 KB	-rw-rw-rw-
SourceMapDevToolPlugin.js	18.47 KB	-rw-rw-rw-
Stats.js	2.23 KB	-rw-rw-rw-
Template.js	12.76 KB	-rw-rw-rw-
TemplatedPathPlugin.js	10.15 KB	-rw-rw-rw-
UnhandledSchemeError.js	833 B	-rw-rw-rw-
UnsupportedFeatureWarning.js	780 B	-rw-rw-rw-
UseStrictPlugin.js	2.61 KB	-rw-rw-rw-
WarnCaseSensitiveModulesPlugin...	1.72 KB	-rw-rw-rw-
WarnDeprecatedOptionPlugin.js	1.46 KB	-rw-rw-rw-
WarnNoModeSetPlugin.js	545 B	-rw-rw-rw-
WatchIgnorePlugin.js	3.93 KB	-rw-rw-rw-
Watching.js	14.34 KB	-rw-rw-rw-
WebpackError.js	1.72 KB	-rw-rw-rw-
WebpackIsIncludedPlugin.js	2.71 KB	-rw-rw-rw-
WebpackOptionsApply.js	28.97 KB	-rw-rw-rw-
WebpackOptionsDefaulter.js	818 B	-rw-rw-rw-
buildChunkGraph.js	41.36 KB	-rw-rw-rw-
cli.js	17.44 KB	-rw-rw-rw-
formatLocation.js	1.73 KB	-rw-rw-rw-
index.js	18.22 KB	-rw-rw-rw-
validateSchema.js	6.34 KB	-rw-rw-rw-
webpack.js	5.99 KB	-rw-rw-rw-

Code Editor : ChunkGroup.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/

"use strict";

const util = require("util");
const SortableSet = require("./util/SortableSet");
const {
	compareLocations,
	compareChunks,
	compareIterables
} = require("./util/comparators");

/** @typedef {import("./AsyncDependenciesBlock")} AsyncDependenciesBlock */
/** @typedef {import("./Chunk")} Chunk */
/** @typedef {import("./ChunkGraph")} ChunkGraph */
/** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
/** @typedef {import("./Entrypoint")} Entrypoint */
/** @typedef {import("./Module")} Module */
/** @typedef {import("./ModuleGraph")} ModuleGraph */

/** @typedef {{id: number}} HasId */
/** @typedef {{module: Module | null, loc: DependencyLocation, request: string}} OriginRecord */

/**
 * @typedef {object} RawChunkGroupOptions
 * @property {number=} preloadOrder
 * @property {number=} prefetchOrder
 * @property {("low" | "high" | "auto")=} fetchPriority
 */

/** @typedef {RawChunkGroupOptions & { name?: string | null }} ChunkGroupOptions */

let debugId = 5000;

/**
 * @template T
 * @param {SortableSet<T>} set set to convert to array.
 * @returns {T[]} the array format of existing set
 */
const getArray = set => Array.from(set);

/**
 * A convenience method used to sort chunks based on their id's
 * @param {ChunkGroup} a first sorting comparator
 * @param {ChunkGroup} b second sorting comparator
 * @returns {1|0|-1} a sorting index to determine order
 */
const sortById = (a, b) => {
	if (a.id < b.id) return -1;
	if (b.id < a.id) return 1;
	return 0;
};

/**
 * @param {OriginRecord} a the first comparator in sort
 * @param {OriginRecord} b the second comparator in sort
 * @returns {1|-1|0} returns sorting order as index
 */
const sortOrigin = (a, b) => {
	const aIdent = a.module ? a.module.identifier() : "";
	const bIdent = b.module ? b.module.identifier() : "";
	if (aIdent < bIdent) return -1;
	if (aIdent > bIdent) return 1;
	return compareLocations(a.loc, b.loc);
};

class ChunkGroup {
	/**
	 * Creates an instance of ChunkGroup.
	 * @param {string | ChunkGroupOptions=} options chunk group options passed to chunkGroup
	 */
	constructor(options) {
		if (typeof options === "string") {
			options = { name: options };
		} else if (!options) {
			options = { name: undefined };
		}
		/** @type {number} */
		this.groupDebugId = debugId++;
		this.options = /** @type {ChunkGroupOptions} */ (options);
		/** @type {SortableSet<ChunkGroup>} */
		this._children = new SortableSet(undefined, sortById);
		/** @type {SortableSet<ChunkGroup>} */
		this._parents = new SortableSet(undefined, sortById);
		/** @type {SortableSet<ChunkGroup>} */
		this._asyncEntrypoints = new SortableSet(undefined, sortById);
		this._blocks = new SortableSet();
		/** @type {Chunk[]} */
		this.chunks = [];
		/** @type {OriginRecord[]} */
		this.origins = [];
		/** Indices in top-down order */
		/**
		 * @private
		 * @type {Map<Module, number>}
		 */
		this._modulePreOrderIndices = new Map();
		/** Indices in bottom-up order */
		/**
		 * @private
		 * @type {Map<Module, number>}
		 */
		this._modulePostOrderIndices = new Map();
		/** @type {number | undefined} */
		this.index = undefined;
	}

/**
	 * when a new chunk is added to a chunkGroup, addingOptions will occur.
	 * @param {ChunkGroupOptions} options the chunkGroup options passed to addOptions
	 * @returns {void}
	 */
	addOptions(options) {
		for (const _key of Object.keys(options)) {
			const key = /** @type {keyof ChunkGroupOptions} */ (_key);
			if (this.options[key] === undefined) {
				/** @type {TODO} */
				(this.options)[key] = options[key];
			} else if (this.options[key] !== options[key]) {
				if (key.endsWith("Order")) {
					/** @type {TODO} */
					(this.options)[key] = Math.max(
						/** @type {number} */ (this.options[key]),
						/** @type {number} */ (options[key])
					);
				} else {
					throw new Error(
						`ChunkGroup.addOptions: No option merge strategy for ${key}`
					);
				}
			}
		}
	}

/**
	 * returns the name of current ChunkGroup
	 * @returns {string | null | undefined} returns the ChunkGroup name
	 */
	get name() {
		return this.options.name;
	}

/**
	 * sets a new name for current ChunkGroup
	 * @param {string | undefined} value the new name for ChunkGroup
	 * @returns {void}
	 */
	set name(value) {
		this.options.name = value;
	}

/* istanbul ignore next */
	/**
	 * get a uniqueId for ChunkGroup, made up of its member Chunk debugId's
	 * @returns {string} a unique concatenation of chunk debugId's
	 */
	get debugId() {
		return Array.from(this.chunks, x => x.debugId).join("+");
	}

/**
	 * get a unique id for ChunkGroup, made up of its member Chunk id's
	 * @returns {string} a unique concatenation of chunk ids
	 */
	get id() {
		return Array.from(this.chunks, x => x.id).join("+");
	}

/**
	 * Performs an unshift of a specific chunk
	 * @param {Chunk} chunk chunk being unshifted
	 * @returns {boolean} returns true if attempted chunk shift is accepted
	 */
	unshiftChunk(chunk) {
		const oldIdx = this.chunks.indexOf(chunk);
		if (oldIdx > 0) {
			this.chunks.splice(oldIdx, 1);
			this.chunks.unshift(chunk);
		} else if (oldIdx < 0) {
			this.chunks.unshift(chunk);
			return true;
		}
		return false;
	}

/**
	 * inserts a chunk before another existing chunk in group
	 * @param {Chunk} chunk Chunk being inserted
	 * @param {Chunk} before Placeholder/target chunk marking new chunk insertion point
	 * @returns {boolean} return true if insertion was successful
	 */
	insertChunk(chunk, before) {
		const oldIdx = this.chunks.indexOf(chunk);
		const idx = this.chunks.indexOf(before);
		if (idx < 0) {
			throw new Error("before chunk not found");
		}
		if (oldIdx >= 0 && oldIdx > idx) {
			this.chunks.splice(oldIdx, 1);
			this.chunks.splice(idx, 0, chunk);
		} else if (oldIdx < 0) {
			this.chunks.splice(idx, 0, chunk);
			return true;
		}
		return false;
	}

/**
	 * add a chunk into ChunkGroup. Is pushed on or prepended
	 * @param {Chunk} chunk chunk being pushed into ChunkGroupS
	 * @returns {boolean} returns true if chunk addition was successful.
	 */
	pushChunk(chunk) {
		const oldIdx = this.chunks.indexOf(chunk);
		if (oldIdx >= 0) {
			return false;
		}
		this.chunks.push(chunk);
		return true;
	}

/**
	 * @param {Chunk} oldChunk chunk to be replaced
	 * @param {Chunk} newChunk New chunk that will be replaced with
	 * @returns {boolean | undefined} returns true if the replacement was successful
	 */
	replaceChunk(oldChunk, newChunk) {
		const oldIdx = this.chunks.indexOf(oldChunk);
		if (oldIdx < 0) return false;
		const newIdx = this.chunks.indexOf(newChunk);
		if (newIdx < 0) {
			this.chunks[oldIdx] = newChunk;
			return true;
		}
		if (newIdx < oldIdx) {
			this.chunks.splice(oldIdx, 1);
			return true;
		} else if (newIdx !== oldIdx) {
			this.chunks[oldIdx] = newChunk;
			this.chunks.splice(newIdx, 1);
			return true;
		}
	}

/**
	 * @param {Chunk} chunk chunk to remove
	 * @returns {boolean} returns true if chunk was removed
	 */
	removeChunk(chunk) {
		const idx = this.chunks.indexOf(chunk);
		if (idx >= 0) {
			this.chunks.splice(idx, 1);
			return true;
		}
		return false;
	}

/**
	 * @returns {boolean} true, when this chunk group will be loaded on initial page load
	 */
	isInitial() {
		return false;
	}

/**
	 * @param {ChunkGroup} group chunk group to add
	 * @returns {boolean} returns true if chunk group was added
	 */
	addChild(group) {
		const size = this._children.size;
		this._children.add(group);
		return size !== this._children.size;
	}

/**
	 * @returns {ChunkGroup[]} returns the children of this group
	 */
	getChildren() {
		return this._children.getFromCache(getArray);
	}

getNumberOfChildren() {
		return this._children.size;
	}

get childrenIterable() {
		return this._children;
	}

/**
	 * @param {ChunkGroup} group the chunk group to remove
	 * @returns {boolean} returns true if the chunk group was removed
	 */
	removeChild(group) {
		if (!this._children.has(group)) {
			return false;
		}

this._children.delete(group);
		group.removeParent(this);
		return true;
	}

/**
	 * @param {ChunkGroup} parentChunk the parent group to be added into
	 * @returns {boolean} returns true if this chunk group was added to the parent group
	 */
	addParent(parentChunk) {
		if (!this._parents.has(parentChunk)) {
			this._parents.add(parentChunk);
			return true;
		}
		return false;
	}

/**
	 * @returns {ChunkGroup[]} returns the parents of this group
	 */
	getParents() {
		return this._parents.getFromCache(getArray);
	}

getNumberOfParents() {
		return this._parents.size;
	}

/**
	 * @param {ChunkGroup} parent the parent group
	 * @returns {boolean} returns true if the parent group contains this group
	 */
	hasParent(parent) {
		return this._parents.has(parent);
	}

get parentsIterable() {
		return this._parents;
	}

/**
	 * @param {ChunkGroup} chunkGroup the parent group
	 * @returns {boolean} returns true if this group has been removed from the parent
	 */
	removeParent(chunkGroup) {
		if (this._parents.delete(chunkGroup)) {
			chunkGroup.removeChild(this);
			return true;
		}
		return false;
	}

/**
	 * @param {Entrypoint} entrypoint entrypoint to add
	 * @returns {boolean} returns true if entrypoint was added
	 */
	addAsyncEntrypoint(entrypoint) {
		const size = this._asyncEntrypoints.size;
		this._asyncEntrypoints.add(entrypoint);
		return size !== this._asyncEntrypoints.size;
	}

get asyncEntrypointsIterable() {
		return this._asyncEntrypoints;
	}

/**
	 * @returns {Array<AsyncDependenciesBlock>} an array containing the blocks
	 */
	getBlocks() {
		return this._blocks.getFromCache(getArray);
	}

getNumberOfBlocks() {
		return this._blocks.size;
	}

/**
	 * @param {AsyncDependenciesBlock} block block
	 * @returns {boolean} true, if block exists
	 */
	hasBlock(block) {
		return this._blocks.has(block);
	}

/**
	 * @returns {Iterable<AsyncDependenciesBlock>} blocks
	 */
	get blocksIterable() {
		return this._blocks;
	}

/**
	 * @param {AsyncDependenciesBlock} block a block
	 * @returns {boolean} false, if block was already added
	 */
	addBlock(block) {
		if (!this._blocks.has(block)) {
			this._blocks.add(block);
			return true;
		}
		return false;
	}

/**
	 * @param {Module | null} module origin module
	 * @param {DependencyLocation} loc location of the reference in the origin module
	 * @param {string} request request name of the reference
	 * @returns {void}
	 */
	addOrigin(module, loc, request) {
		this.origins.push({
			module,
			loc,
			request
		});
	}

/**
	 * @returns {string[]} the files contained this chunk group
	 */
	getFiles() {
		const files = new Set();

for (const chunk of this.chunks) {
			for (const file of chunk.files) {
				files.add(file);
			}
		}

return Array.from(files);
	}

/**
	 * @returns {void}
	 */
	remove() {
		// cleanup parents
		for (const parentChunkGroup of this._parents) {
			// remove this chunk from its parents
			parentChunkGroup._children.delete(this);

// cleanup "sub chunks"
			for (const chunkGroup of this._children) {
				/**
				 * remove this chunk as "intermediary" and connect
				 * it "sub chunks" and parents directly
				 */
				// add parent to each "sub chunk"
				chunkGroup.addParent(parentChunkGroup);
				// add "sub chunk" to parent
				parentChunkGroup.addChild(chunkGroup);
			}
		}

/**
		 * we need to iterate again over the children
		 * to remove this from the child's parents.
		 * This can not be done in the above loop
		 * as it is not guaranteed that `this._parents` contains anything.
		 */
		for (const chunkGroup of this._children) {
			// remove this as parent of every "sub chunk"
			chunkGroup._parents.delete(this);
		}

// remove chunks
		for (const chunk of this.chunks) {
			chunk.removeGroup(this);
		}
	}

sortItems() {
		this.origins.sort(sortOrigin);
	}

/**
	 * Sorting predicate which allows current ChunkGroup to be compared against another.
	 * Sorting values are based off of number of chunks in ChunkGroup.
	 * @param {ChunkGraph} chunkGraph the chunk graph
	 * @param {ChunkGroup} otherGroup the chunkGroup to compare this against
	 * @returns {-1|0|1} sort position for comparison
	 */
	compareTo(chunkGraph, otherGroup) {
		if (this.chunks.length > otherGroup.chunks.length) return -1;
		if (this.chunks.length < otherGroup.chunks.length) return 1;
		return compareIterables(compareChunks(chunkGraph))(
			this.chunks,
			otherGroup.chunks
		);
	}

/**
	 * @param {ModuleGraph} moduleGraph the module graph
	 * @param {ChunkGraph} chunkGraph the chunk graph
	 * @returns {Record<string, ChunkGroup[]>} mapping from children type to ordered list of ChunkGroups
	 */
	getChildrenByOrders(moduleGraph, chunkGraph) {
		/** @type {Map<string, {order: number, group: ChunkGroup}[]>} */
		const lists = new Map();
		for (const childGroup of this._children) {
			for (const key of Object.keys(childGroup.options)) {
				if (key.endsWith("Order")) {
					const name = key.slice(0, key.length - "Order".length);
					let list = lists.get(name);
					if (list === undefined) {
						lists.set(name, (list = []));
					}
					list.push({
						order:
							/** @type {number} */
							(
								childGroup.options[/** @type {keyof ChunkGroupOptions} */ (key)]
							),
						group: childGroup
					});
				}
			}
		}
		/** @type {Record<string, ChunkGroup[]>} */
		const result = Object.create(null);
		for (const [name, list] of lists) {
			list.sort((a, b) => {
				const cmp = b.order - a.order;
				if (cmp !== 0) return cmp;
				return a.group.compareTo(chunkGraph, b.group);
			});
			result[name] = list.map(i => i.group);
		}
		return result;
	}

/**
	 * Sets the top-down index of a module in this ChunkGroup
	 * @param {Module} module module for which the index should be set
	 * @param {number} index the index of the module
	 * @returns {void}
	 */
	setModulePreOrderIndex(module, index) {
		this._modulePreOrderIndices.set(module, index);
	}

/**
	 * Gets the top-down index of a module in this ChunkGroup
	 * @param {Module} module the module
	 * @returns {number | undefined} index
	 */
	getModulePreOrderIndex(module) {
		return this._modulePreOrderIndices.get(module);
	}

/**
	 * Sets the bottom-up index of a module in this ChunkGroup
	 * @param {Module} module module for which the index should be set
	 * @param {number} index the index of the module
	 * @returns {void}
	 */
	setModulePostOrderIndex(module, index) {
		this._modulePostOrderIndices.set(module, index);
	}

/**
	 * Gets the bottom-up index of a module in this ChunkGroup
	 * @param {Module} module the module
	 * @returns {number | undefined} index
	 */
	getModulePostOrderIndex(module) {
		return this._modulePostOrderIndices.get(module);
	}

/* istanbul ignore next */
	checkConstraints() {
		const chunk = this;
		for (const child of chunk._children) {
			if (!child._parents.has(chunk)) {
				throw new Error(
					`checkConstraints: child missing parent ${chunk.debugId} -> ${child.debugId}`
				);
			}
		}
		for (const parentChunk of chunk._parents) {
			if (!parentChunk._children.has(chunk)) {
				throw new Error(
					`checkConstraints: parent missing child ${parentChunk.debugId} <- ${chunk.debugId}`
				);
			}
		}
	}
}

ChunkGroup.prototype.getModuleIndex = util.deprecate(
	ChunkGroup.prototype.getModulePreOrderIndex,
	"ChunkGroup.getModuleIndex was renamed to getModulePreOrderIndex",
	"DEP_WEBPACK_CHUNK_GROUP_GET_MODULE_INDEX"
);

ChunkGroup.prototype.getModuleIndex2 = util.deprecate(
	ChunkGroup.prototype.getModulePostOrderIndex,
	"ChunkGroup.getModuleIndex2 was renamed to getModulePostOrderIndex",
	"DEP_WEBPACK_CHUNK_GROUP_GET_MODULE_INDEX_2"
);

module.exports = ChunkGroup;

${this.title}

Code Editor : ChunkGroup.js