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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 ChunkGraph = require("./ChunkGraph");
const DependenciesBlock = require("./DependenciesBlock");
const ModuleGraph = require("./ModuleGraph");
const RuntimeGlobals = require("./RuntimeGlobals");
const { first } = require("./util/SetHelpers");
const { compareChunksById } = require("./util/comparators");
const makeSerializable = require("./util/makeSerializable");
/** @typedef {import("webpack-sources").Source} Source */
/** @typedef {import("../declarations/WebpackOptions").ResolveOptions} ResolveOptions */
/** @typedef {import("../declarations/WebpackOptions").WebpackOptionsNormalized} WebpackOptions */
/** @typedef {import("./Chunk")} Chunk */
/** @typedef {import("./ChunkGroup")} ChunkGroup */
/** @typedef {import("./Compilation")} Compilation */
/** @typedef {import("./ConcatenationScope")} ConcatenationScope */
/** @typedef {import("./Dependency")} Dependency */
/** @typedef {import("./Dependency").UpdateHashContext} UpdateHashContext */
/** @typedef {import("./DependencyTemplates")} DependencyTemplates */
/** @typedef {import("./ExportsInfo").UsageStateType} UsageStateType */
/** @typedef {import("./FileSystemInfo")} FileSystemInfo */
/** @typedef {import("./ModuleGraphConnection").ConnectionState} ConnectionState */
/** @typedef {import("./NormalModuleFactory")} NormalModuleFactory */
/** @typedef {import("./RequestShortener")} RequestShortener */
/** @typedef {import("./ResolverFactory").ResolverWithOptions} ResolverWithOptions */
/** @typedef {import("./RuntimeTemplate")} RuntimeTemplate */
/** @typedef {import("./WebpackError")} WebpackError */
/** @typedef {import("./util/Hash")} Hash */
/** @template T @typedef {import("./util/LazySet")<T>} LazySet<T> */
/** @template T @typedef {import("./util/SortableSet")<T>} SortableSet<T> */
/** @typedef {import("./util/fs").InputFileSystem} InputFileSystem */
/** @typedef {import("./util/runtime").RuntimeSpec} RuntimeSpec */
/**
* @typedef {Object} SourceContext
* @property {DependencyTemplates} dependencyTemplates the dependency templates
* @property {RuntimeTemplate} runtimeTemplate the runtime template
* @property {ModuleGraph} moduleGraph the module graph
* @property {ChunkGraph} chunkGraph the chunk graph
* @property {RuntimeSpec} runtime the runtimes code should be generated for
* @property {string=} type the type of source that should be generated
*/
/**
* @typedef {Object} CodeGenerationContext
* @property {DependencyTemplates} dependencyTemplates the dependency templates
* @property {RuntimeTemplate} runtimeTemplate the runtime template
* @property {ModuleGraph} moduleGraph the module graph
* @property {ChunkGraph} chunkGraph the chunk graph
* @property {RuntimeSpec} runtime the runtimes code should be generated for
* @property {ConcatenationScope=} concatenationScope when in concatenated module, information about other concatenated modules
*/
/**
* @typedef {Object} ConcatenationBailoutReasonContext
* @property {ModuleGraph} moduleGraph the module graph
* @property {ChunkGraph} chunkGraph the chunk graph
*/
/**
* @typedef {Object} CodeGenerationResult
* @property {Map<string, Source>} sources the resulting sources for all source types
* @property {Map<string, any>=} data the resulting data for all source types
* @property {ReadonlySet<string>} runtimeRequirements the runtime requirements
* @property {string=} hash a hash of the code generation result (will be automatically calculated from sources and runtimeRequirements if not provided)
*/
/**
* @typedef {Object} LibIdentOptions
* @property {string} context absolute context path to which lib ident is relative to
* @property {Object=} associatedObjectForCache object for caching
*/
/**
* @typedef {Object} KnownBuildMeta
* @property {string=} moduleArgument
* @property {string=} exportsArgument
* @property {boolean=} strict
* @property {string=} moduleConcatenationBailout
* @property {("default" | "namespace" | "flagged" | "dynamic")=} exportsType
* @property {(false | "redirect" | "redirect-warn")=} defaultObject
* @property {boolean=} strictHarmonyModule
* @property {boolean=} async
* @property {boolean=} sideEffectFree
*/
/**
* @typedef {Object} NeedBuildContext
* @property {Compilation} compilation
* @property {FileSystemInfo} fileSystemInfo
* @property {Map<string, string | Set<string>>} valueCacheVersions
*/
/** @typedef {KnownBuildMeta & Record<string, any>} BuildMeta */
const EMPTY_RESOLVE_OPTIONS = {};
let debugId = 1000;
const DEFAULT_TYPES_UNKNOWN = new Set(["unknown"]);
const DEFAULT_TYPES_JS = new Set(["javascript"]);
const deprecatedNeedRebuild = util.deprecate(
(module, context) => {
return module.needRebuild(
context.fileSystemInfo.getDeprecatedFileTimestamps(),
context.fileSystemInfo.getDeprecatedContextTimestamps()
);
},
"Module.needRebuild is deprecated in favor of Module.needBuild",
"DEP_WEBPACK_MODULE_NEED_REBUILD"
);
/** @typedef {(requestShortener: RequestShortener) => string} OptimizationBailoutFunction */
class Module extends DependenciesBlock {
/**
* @param {string} type the module type
* @param {string=} context an optional context
* @param {string=} layer an optional layer in which the module is
*/
constructor(type, context = null, layer = null) {
super();
/** @type {string} */
this.type = type;
/** @type {string | null} */
this.context = context;
/** @type {string | null} */
this.layer = layer;
/** @type {boolean} */
this.needId = true;
// Unique Id
/** @type {number} */
this.debugId = debugId++;
// Info from Factory
/** @type {ResolveOptions} */
this.resolveOptions = EMPTY_RESOLVE_OPTIONS;
/** @type {object | undefined} */
this.factoryMeta = undefined;
// TODO refactor this -> options object filled from Factory
// TODO webpack 6: use an enum
/** @type {boolean} */
this.useSourceMap = false;
/** @type {boolean} */
this.useSimpleSourceMap = false;
// Info from Build
/** @type {WebpackError[] | undefined} */
this._warnings = undefined;
/** @type {WebpackError[] | undefined} */
this._errors = undefined;
/** @type {BuildMeta} */
this.buildMeta = undefined;
/** @type {Record<string, any>} */
this.buildInfo = undefined;
/** @type {Dependency[] | undefined} */
this.presentationalDependencies = undefined;
}
// TODO remove in webpack 6
// BACKWARD-COMPAT START
get id() {
return ChunkGraph.getChunkGraphForModule(
this,
"Module.id",
"DEP_WEBPACK_MODULE_ID"
).getModuleId(this);
}
set id(value) {
if (value === "") {
this.needId = false;
return;
}
ChunkGraph.getChunkGraphForModule(
this,
"Module.id",
"DEP_WEBPACK_MODULE_ID"
).setModuleId(this, value);
}
/**
* @returns {string} the hash of the module
*/
get hash() {
return ChunkGraph.getChunkGraphForModule(
this,
"Module.hash",
"DEP_WEBPACK_MODULE_HASH"
).getModuleHash(this, undefined);
}
/**
* @returns {string} the shortened hash of the module
*/
get renderedHash() {
return ChunkGraph.getChunkGraphForModule(
this,
"Module.renderedHash",
"DEP_WEBPACK_MODULE_RENDERED_HASH"
).getRenderedModuleHash(this, undefined);
}
get profile() {
return ModuleGraph.getModuleGraphForModule(
this,
"Module.profile",
"DEP_WEBPACK_MODULE_PROFILE"
).getProfile(this);
}
set profile(value) {
ModuleGraph.getModuleGraphForModule(
this,
"Module.profile",
"DEP_WEBPACK_MODULE_PROFILE"
).setProfile(this, value);
}
get index() {
return ModuleGraph.getModuleGraphForModule(
this,
"Module.index",
"DEP_WEBPACK_MODULE_INDEX"
).getPreOrderIndex(this);
}
set index(value) {
ModuleGraph.getModuleGraphForModule(
this,
"Module.index",
"DEP_WEBPACK_MODULE_INDEX"
).setPreOrderIndex(this, value);
}
get index2() {
return ModuleGraph.getModuleGraphForModule(
this,
"Module.index2",
"DEP_WEBPACK_MODULE_INDEX2"
).getPostOrderIndex(this);
}
set index2(value) {
ModuleGraph.getModuleGraphForModule(
this,
"Module.index2",
"DEP_WEBPACK_MODULE_INDEX2"
).setPostOrderIndex(this, value);
}
get depth() {
return ModuleGraph.getModuleGraphForModule(
this,
"Module.depth",
"DEP_WEBPACK_MODULE_DEPTH"
).getDepth(this);
}
set depth(value) {
ModuleGraph.getModuleGraphForModule(
this,
"Module.depth",
"DEP_WEBPACK_MODULE_DEPTH"
).setDepth(this, value);
}
get issuer() {
return ModuleGraph.getModuleGraphForModule(
this,
"Module.issuer",
"DEP_WEBPACK_MODULE_ISSUER"
).getIssuer(this);
}
set issuer(value) {
ModuleGraph.getModuleGraphForModule(
this,
"Module.issuer",
"DEP_WEBPACK_MODULE_ISSUER"
).setIssuer(this, value);
}
get usedExports() {
return ModuleGraph.getModuleGraphForModule(
this,
"Module.usedExports",
"DEP_WEBPACK_MODULE_USED_EXPORTS"
).getUsedExports(this, undefined);
}
/**
* @deprecated
* @returns {(string | OptimizationBailoutFunction)[]} list
*/
get optimizationBailout() {
return ModuleGraph.getModuleGraphForModule(
this,
"Module.optimizationBailout",
"DEP_WEBPACK_MODULE_OPTIMIZATION_BAILOUT"
).getOptimizationBailout(this);
}
get optional() {
return this.isOptional(
ModuleGraph.getModuleGraphForModule(
this,
"Module.optional",
"DEP_WEBPACK_MODULE_OPTIONAL"
)
);
}
addChunk(chunk) {
const chunkGraph = ChunkGraph.getChunkGraphForModule(
this,
"Module.addChunk",
"DEP_WEBPACK_MODULE_ADD_CHUNK"
);
if (chunkGraph.isModuleInChunk(this, chunk)) return false;
chunkGraph.connectChunkAndModule(chunk, this);
return true;
}
removeChunk(chunk) {
return ChunkGraph.getChunkGraphForModule(
this,
"Module.removeChunk",
"DEP_WEBPACK_MODULE_REMOVE_CHUNK"
).disconnectChunkAndModule(chunk, this);
}
isInChunk(chunk) {
return ChunkGraph.getChunkGraphForModule(
this,
"Module.isInChunk",
"DEP_WEBPACK_MODULE_IS_IN_CHUNK"
).isModuleInChunk(this, chunk);
}
isEntryModule() {
return ChunkGraph.getChunkGraphForModule(
this,
"Module.isEntryModule",
"DEP_WEBPACK_MODULE_IS_ENTRY_MODULE"
).isEntryModule(this);
}
getChunks() {
return ChunkGraph.getChunkGraphForModule(
this,
"Module.getChunks",
"DEP_WEBPACK_MODULE_GET_CHUNKS"
).getModuleChunks(this);
}
getNumberOfChunks() {
return ChunkGraph.getChunkGraphForModule(
this,
"Module.getNumberOfChunks",
"DEP_WEBPACK_MODULE_GET_NUMBER_OF_CHUNKS"
).getNumberOfModuleChunks(this);
}
get chunksIterable() {
return ChunkGraph.getChunkGraphForModule(
this,
"Module.chunksIterable",
"DEP_WEBPACK_MODULE_CHUNKS_ITERABLE"
).getOrderedModuleChunksIterable(this, compareChunksById);
}
/**
* @param {string} exportName a name of an export
* @returns {boolean | null} true, if the export is provided why the module.
* null, if it's unknown.
* false, if it's not provided.
*/
isProvided(exportName) {
return ModuleGraph.getModuleGraphForModule(
this,
"Module.usedExports",
"DEP_WEBPACK_MODULE_USED_EXPORTS"
).isExportProvided(this, exportName);
}
// BACKWARD-COMPAT END
/**
* @deprecated moved to .buildInfo.exportsArgument
* @returns {string} name of the exports argument
*/
get exportsArgument() {
return (this.buildInfo && this.buildInfo.exportsArgument) || "exports";
}
/**
* @deprecated moved to .buildInfo.moduleArgument
* @returns {string} name of the module argument
*/
get moduleArgument() {
return (this.buildInfo && this.buildInfo.moduleArgument) || "module";
}
/**
* @param {ModuleGraph} moduleGraph the module graph
* @param {boolean} strict the importing module is strict
* @returns {"namespace" | "default-only" | "default-with-named" | "dynamic"} export type
* "namespace": Exports is already a namespace object. namespace = exports.
* "dynamic": Check at runtime if __esModule is set. When set: namespace = { ...exports, default: exports }. When not set: namespace = { default: exports }.
* "default-only": Provide a namespace object with only default export. namespace = { default: exports }
* "default-with-named": Provide a namespace object with named and default export. namespace = { ...exports, default: exports }
*/
getExportsType(moduleGraph, strict) {
switch (this.buildMeta && this.buildMeta.exportsType) {
case "flagged":
return strict ? "default-with-named" : "namespace";
case "namespace":
return "namespace";
case "default":
switch (this.buildMeta.defaultObject) {
case "redirect":
return "default-with-named";
case "redirect-warn":
return strict ? "default-only" : "default-with-named";
default:
return "default-only";
}
case "dynamic": {
if (strict) return "default-with-named";
// Try to figure out value of __esModule by following reexports
const handleDefault = () => {
switch (this.buildMeta.defaultObject) {
case "redirect":
case "redirect-warn":
return "default-with-named";
default:
return "default-only";
}
};
const exportInfo = moduleGraph.getReadOnlyExportInfo(
this,
"__esModule"
);
if (exportInfo.provided === false) {
return handleDefault();
}
const target = exportInfo.getTarget(moduleGraph);
if (
!target ||
!target.export ||
target.export.length !== 1 ||
target.export[0] !== "__esModule"
) {
return "dynamic";
}
switch (
target.module.buildMeta &&
target.module.buildMeta.exportsType
) {
case "flagged":
case "namespace":
return "namespace";
case "default":
return handleDefault();
default:
return "dynamic";
}
}
default:
return strict ? "default-with-named" : "dynamic";
}
}
/**
* @param {Dependency} presentationalDependency dependency being tied to module.
* This is a Dependency without edge in the module graph. It's only for presentation.
* @returns {void}
*/
addPresentationalDependency(presentationalDependency) {
if (this.presentationalDependencies === undefined) {
this.presentationalDependencies = [];
}
this.presentationalDependencies.push(presentationalDependency);
}
/**
* Removes all dependencies and blocks
* @returns {void}
*/
clearDependenciesAndBlocks() {
if (this.presentationalDependencies !== undefined) {
this.presentationalDependencies.length = 0;
}
super.clearDependenciesAndBlocks();
}
/**
* @param {WebpackError} warning the warning
* @returns {void}
*/
addWarning(warning) {
if (this._warnings === undefined) {
this._warnings = [];
}
this._warnings.push(warning);
}
/**
* @returns {Iterable<WebpackError> | undefined} list of warnings if any
*/
getWarnings() {
return this._warnings;
}
/**
* @returns {number} number of warnings
*/
getNumberOfWarnings() {
return this._warnings !== undefined ? this._warnings.length : 0;
}
/**
* @param {WebpackError} error the error
* @returns {void}
*/
addError(error) {
if (this._errors === undefined) {
this._errors = [];
}
this._errors.push(error);
}
/**
* @returns {Iterable<WebpackError> | undefined} list of errors if any
*/
getErrors() {
return this._errors;
}
/**
* @returns {number} number of errors
*/
getNumberOfErrors() {
return this._errors !== undefined ? this._errors.length : 0;
}
/**
* removes all warnings and errors
* @returns {void}
*/
clearWarningsAndErrors() {
if (this._warnings !== undefined) {
this._warnings.length = 0;
}
if (this._errors !== undefined) {
this._errors.length = 0;
}
}
/**
* @param {ModuleGraph} moduleGraph the module graph
* @returns {boolean} true, if the module is optional
*/
isOptional(moduleGraph) {
let hasConnections = false;
for (const r of moduleGraph.getIncomingConnections(this)) {
if (
!r.dependency ||
!r.dependency.optional ||
!r.isTargetActive(undefined)
) {
return false;
}
hasConnections = true;
}
return hasConnections;
}
/**
* @param {ChunkGraph} chunkGraph the chunk graph
* @param {Chunk} chunk a chunk
* @param {Chunk=} ignoreChunk chunk to be ignored
* @returns {boolean} true, if the module is accessible from "chunk" when ignoring "ignoreChunk"
*/
isAccessibleInChunk(chunkGraph, chunk, ignoreChunk) {
// Check if module is accessible in ALL chunk groups
for (const chunkGroup of chunk.groupsIterable) {
if (!this.isAccessibleInChunkGroup(chunkGraph, chunkGroup)) return false;
}
return true;
}
/**
* @param {ChunkGraph} chunkGraph the chunk graph
* @param {ChunkGroup} chunkGroup a chunk group
* @param {Chunk=} ignoreChunk chunk to be ignored
* @returns {boolean} true, if the module is accessible from "chunkGroup" when ignoring "ignoreChunk"
*/
isAccessibleInChunkGroup(chunkGraph, chunkGroup, ignoreChunk) {
const queue = new Set([chunkGroup]);
// Check if module is accessible from all items of the queue
queueFor: for (const cg of queue) {
// 1. If module is in one of the chunks of the group we can continue checking the next items
// because it's accessible.
for (const chunk of cg.chunks) {
if (chunk !== ignoreChunk && chunkGraph.isModuleInChunk(this, chunk))
continue queueFor;
}
// 2. If the chunk group is initial, we can break here because it's not accessible.
if (chunkGroup.isInitial()) return false;
// 3. Enqueue all parents because it must be accessible from ALL parents
for (const parent of chunkGroup.parentsIterable) queue.add(parent);
}
// When we processed through the whole list and we didn't bailout, the module is accessible
return true;
}
/**
* @param {Chunk} chunk a chunk
* @param {ModuleGraph} moduleGraph the module graph
* @param {ChunkGraph} chunkGraph the chunk graph
* @returns {boolean} true, if the module has any reason why "chunk" should be included
*/
hasReasonForChunk(chunk, moduleGraph, chunkGraph) {
// check for each reason if we need the chunk
for (const [
fromModule,
connections
] of moduleGraph.getIncomingConnectionsByOriginModule(this)) {
if (!connections.some(c => c.isTargetActive(chunk.runtime))) continue;
for (const originChunk of chunkGraph.getModuleChunksIterable(
fromModule
)) {
// return true if module this is not reachable from originChunk when ignoring chunk
if (!this.isAccessibleInChunk(chunkGraph, originChunk, chunk))
return true;
}
}
return false;
}
/**
* @param {ModuleGraph} moduleGraph the module graph
* @param {RuntimeSpec} runtime the runtime
* @returns {boolean} true if at least one other module depends on this module
*/
hasReasons(moduleGraph, runtime) {
for (const c of moduleGraph.getIncomingConnections(this)) {
if (c.isTargetActive(runtime)) return true;
}
return false;
}
/**
* @returns {string} for debugging
*/
toString() {
return `Module[${this.debugId}: ${this.identifier()}]`;
}
/**
* @param {NeedBuildContext} context context info
* @param {function(WebpackError=, boolean=): void} callback callback function, returns true, if the module needs a rebuild
* @returns {void}
*/
needBuild(context, callback) {
callback(
null,
!this.buildMeta ||
this.needRebuild === Module.prototype.needRebuild ||
deprecatedNeedRebuild(this, context)
);
}
/**
* @deprecated Use needBuild instead
* @param {Map<string, number|null>} fileTimestamps timestamps of files
* @param {Map<string, number|null>} contextTimestamps timestamps of directories
* @returns {boolean} true, if the module needs a rebuild
*/
needRebuild(fileTimestamps, contextTimestamps) {
return true;
}
/**
* @param {Hash} hash the hash used to track dependencies
* @param {UpdateHashContext} context context
* @returns {void}
*/
updateHash(
hash,
context = {
chunkGraph: ChunkGraph.getChunkGraphForModule(
this,
"Module.updateHash",
"DEP_WEBPACK_MODULE_UPDATE_HASH"
),
runtime: undefined
}
) {
const { chunkGraph, runtime } = context;
hash.update(chunkGraph.getModuleGraphHash(this, runtime));
if (this.presentationalDependencies !== undefined) {
for (const dep of this.presentationalDependencies) {
dep.updateHash(hash, context);
}
}
super.updateHash(hash, context);
}
/**
* @returns {void}
*/
invalidateBuild() {
// should be overridden to support this feature
}
/* istanbul ignore next */
/**
* @abstract
* @returns {string} a unique identifier of the module
*/
identifier() {
const AbstractMethodError = require("./AbstractMethodError");
throw new AbstractMethodError();
}
/* istanbul ignore next */
/**
* @abstract
* @param {RequestShortener} requestShortener the request shortener
* @returns {string} a user readable identifier of the module
*/
readableIdentifier(requestShortener) {
const AbstractMethodError = require("./AbstractMethodError");
throw new AbstractMethodError();
}
/* istanbul ignore next */
/**
* @abstract
* @param {WebpackOptions} options webpack options
* @param {Compilation} compilation the compilation
* @param {ResolverWithOptions} resolver the resolver
* @param {InputFileSystem} fs the file system
* @param {function(WebpackError=): void} callback callback function
* @returns {void}
*/
build(options, compilation, resolver, fs, callback) {
const AbstractMethodError = require("./AbstractMethodError");
throw new AbstractMethodError();
}
/**
* @abstract
* @returns {Set<string>} types available (do not mutate)
*/
getSourceTypes() {
// Better override this method to return the correct types
if (this.source === Module.prototype.source) {
return DEFAULT_TYPES_UNKNOWN;
} else {
return DEFAULT_TYPES_JS;
}
}
/**
* @abstract
* @deprecated Use codeGeneration() instead
* @param {DependencyTemplates} dependencyTemplates the dependency templates
* @param {RuntimeTemplate} runtimeTemplate the runtime template
* @param {string=} type the type of source that should be generated
* @returns {Source} generated source
*/
source(dependencyTemplates, runtimeTemplate, type = "javascript") {
if (this.codeGeneration === Module.prototype.codeGeneration) {
const AbstractMethodError = require("./AbstractMethodError");
throw new AbstractMethodError();
}
const chunkGraph = ChunkGraph.getChunkGraphForModule(
this,
"Module.source() is deprecated. Use Compilation.codeGenerationResults.getSource(module, runtime, type) instead",
"DEP_WEBPACK_MODULE_SOURCE"
);
/** @type {CodeGenerationContext} */
const codeGenContext = {
dependencyTemplates,
runtimeTemplate,
moduleGraph: chunkGraph.moduleGraph,
chunkGraph,
runtime: undefined
};
const sources = this.codeGeneration(codeGenContext).sources;
return type ? sources.get(type) : sources.get(first(this.getSourceTypes()));
}
/* istanbul ignore next */
/**
* @abstract
* @param {string=} type the source type for which the size should be estimated
* @returns {number} the estimated size of the module (must be non-zero)
*/
size(type) {
const AbstractMethodError = require("./AbstractMethodError");
throw new AbstractMethodError();
}
/**
* @param {LibIdentOptions} options options
* @returns {string | null} an identifier for library inclusion
*/
libIdent(options) {
return null;
}
/**
* @returns {string | null} absolute path which should be used for condition matching (usually the resource path)
*/
nameForCondition() {
return null;
}
/**
* @param {ConcatenationBailoutReasonContext} context context
* @returns {string | undefined} reason why this module can't be concatenated, undefined when it can be concatenated
*/
getConcatenationBailoutReason(context) {
return `Module Concatenation is not implemented for ${this.constructor.name}`;
}
/**
* @param {ModuleGraph} moduleGraph the module graph
* @returns {ConnectionState} how this module should be connected to referencing modules when consumed for side-effects only
*/
getSideEffectsConnectionState(moduleGraph) {
return true;
}
/**
* @param {CodeGenerationContext} context context for code generation
* @returns {CodeGenerationResult} result
*/
codeGeneration(context) {
// Best override this method
const sources = new Map();
for (const type of this.getSourceTypes()) {
if (type !== "unknown") {
sources.set(
type,
this.source(
context.dependencyTemplates,
context.runtimeTemplate,
type
)
);
}
}
return {
sources,
runtimeRequirements: new Set([
RuntimeGlobals.module,
RuntimeGlobals.exports,
RuntimeGlobals.require
])
};
}
/**
* @param {Chunk} chunk the chunk which condition should be checked
* @param {Compilation} compilation the compilation
* @returns {boolean} true, if the chunk is ok for the module
*/
chunkCondition(chunk, compilation) {
return true;
}
/**
* Assuming this module is in the cache. Update the (cached) module with
* the fresh module from the factory. Usually updates internal references
* and properties.
* @param {Module} module fresh module
* @returns {void}
*/
updateCacheModule(module) {
this.type = module.type;
this.layer = module.layer;
this.context = module.context;
this.factoryMeta = module.factoryMeta;
this.resolveOptions = module.resolveOptions;
}
/**
* Module should be unsafe cached. Get data that's needed for that.
* This data will be passed to restoreFromUnsafeCache later.
* @returns {object} cached data
*/
getUnsafeCacheData() {
return {
factoryMeta: this.factoryMeta,
resolveOptions: this.resolveOptions
};
}
/**
* restore unsafe cache data
* @param {object} unsafeCacheData data from getUnsafeCacheData
* @param {NormalModuleFactory} normalModuleFactory the normal module factory handling the unsafe caching
*/
_restoreFromUnsafeCache(unsafeCacheData, normalModuleFactory) {
this.factoryMeta = unsafeCacheData.factoryMeta;
this.resolveOptions = unsafeCacheData.resolveOptions;
}
/**
* Assuming this module is in the cache. Remove internal references to allow freeing some memory.
*/
cleanupForCache() {
this.factoryMeta = undefined;
this.resolveOptions = undefined;
}
/**
* @returns {Source | null} the original source for the module before webpack transformation
*/
originalSource() {
return null;
}
/**
* @param {LazySet<string>} fileDependencies set where file dependencies are added to
* @param {LazySet<string>} contextDependencies set where context dependencies are added to
* @param {LazySet<string>} missingDependencies set where missing dependencies are added to
* @param {LazySet<string>} buildDependencies set where build dependencies are added to
*/
addCacheDependencies(
fileDependencies,
contextDependencies,
missingDependencies,
buildDependencies
) {}
serialize(context) {
const { write } = context;
write(this.type);
write(this.layer);
write(this.context);
write(this.resolveOptions);
write(this.factoryMeta);
write(this.useSourceMap);
write(this.useSimpleSourceMap);
write(
this._warnings !== undefined && this._warnings.length === 0
? undefined
: this._warnings
);
write(
this._errors !== undefined && this._errors.length === 0
? undefined
: this._errors
);
write(this.buildMeta);
write(this.buildInfo);
write(this.presentationalDependencies);
super.serialize(context);
}
deserialize(context) {
const { read } = context;
this.type = read();
this.layer = read();
this.context = read();
this.resolveOptions = read();
this.factoryMeta = read();
this.useSourceMap = read();
this.useSimpleSourceMap = read();
this._warnings = read();
this._errors = read();
this.buildMeta = read();
this.buildInfo = read();
this.presentationalDependencies = read();
super.deserialize(context);
}
}
makeSerializable(Module, "webpack/lib/Module");
// TODO remove in webpack 6
Object.defineProperty(Module.prototype, "hasEqualsChunks", {
get() {
throw new Error(
"Module.hasEqualsChunks was renamed (use hasEqualChunks instead)"
);
}
});
// TODO remove in webpack 6
Object.defineProperty(Module.prototype, "isUsed", {
get() {
throw new Error(
"Module.isUsed was renamed (use getUsedName, isExportUsed or isModuleUsed instead)"
);
}
});
// TODO remove in webpack 6
Object.defineProperty(Module.prototype, "errors", {
get: util.deprecate(
/**
* @this {Module}
* @returns {WebpackError[]} array
*/
function () {
if (this._errors === undefined) {
this._errors = [];
}
return this._errors;
},
"Module.errors was removed (use getErrors instead)",
"DEP_WEBPACK_MODULE_ERRORS"
)
});
// TODO remove in webpack 6
Object.defineProperty(Module.prototype, "warnings", {
get: util.deprecate(
/**
* @this {Module}
* @returns {WebpackError[]} array
*/
function () {
if (this._warnings === undefined) {
this._warnings = [];
}
return this._warnings;
},
"Module.warnings was removed (use getWarnings instead)",
"DEP_WEBPACK_MODULE_WARNINGS"
)
});
// TODO remove in webpack 6
Object.defineProperty(Module.prototype, "used", {
get() {
throw new Error(
"Module.used was refactored (use ModuleGraph.getUsedExports instead)"
);
},
set(value) {
throw new Error(
"Module.used was refactored (use ModuleGraph.setUsedExports instead)"
);
}
});
module.exports = Module;