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authorlittleblack111 <littleblack11111@gmail.com>2024-08-30 17:21:18 +0800
committerlittleblack111 <littleblack11111@gmail.com>2024-08-30 17:21:18 +0800
commitefbc2ffe6a1ee5ec38a4396305561d6515d0943e (patch)
tree2b4c94f18f2c792dfda813050755d5c0273fae22 /node_modules/webpack/lib/ContextModule.js
parent43acceb75957c880a5ba5a31aae221394a36d5f6 (diff)
node fixes, updates
Diffstat (limited to 'node_modules/webpack/lib/ContextModule.js')
-rw-r--r--node_modules/webpack/lib/ContextModule.js1254
1 files changed, 1254 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/ContextModule.js b/node_modules/webpack/lib/ContextModule.js
new file mode 100644
index 00000000..91a5b1bf
--- /dev/null
+++ b/node_modules/webpack/lib/ContextModule.js
@@ -0,0 +1,1254 @@
+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const { OriginalSource, RawSource } = require("webpack-sources");
+const AsyncDependenciesBlock = require("./AsyncDependenciesBlock");
+const { makeWebpackError } = require("./HookWebpackError");
+const Module = require("./Module");
+const { JAVASCRIPT_MODULE_TYPE_DYNAMIC } = require("./ModuleTypeConstants");
+const RuntimeGlobals = require("./RuntimeGlobals");
+const Template = require("./Template");
+const WebpackError = require("./WebpackError");
+const {
+ compareLocations,
+ concatComparators,
+ compareSelect,
+ keepOriginalOrder,
+ compareModulesById
+} = require("./util/comparators");
+const {
+ contextify,
+ parseResource,
+ makePathsRelative
+} = require("./util/identifier");
+const makeSerializable = require("./util/makeSerializable");
+
+/** @typedef {import("webpack-sources").Source} Source */
+/** @typedef {import("../declarations/WebpackOptions").WebpackOptionsNormalized} WebpackOptions */
+/** @typedef {import("./Chunk")} Chunk */
+/** @typedef {import("./Chunk").ChunkId} ChunkId */
+/** @typedef {import("./ChunkGraph")} ChunkGraph */
+/** @typedef {import("./ChunkGraph").ModuleId} ModuleId */
+/** @typedef {import("./ChunkGroup").RawChunkGroupOptions} RawChunkGroupOptions */
+/** @typedef {import("./Compilation")} Compilation */
+/** @typedef {import("./Dependency")} Dependency */
+/** @typedef {import("./DependencyTemplates")} DependencyTemplates */
+/** @typedef {import("./Module").BuildInfo} BuildInfo */
+/** @typedef {import("./Module").BuildMeta} BuildMeta */
+/** @typedef {import("./Module").CodeGenerationContext} CodeGenerationContext */
+/** @typedef {import("./Module").CodeGenerationResult} CodeGenerationResult */
+/** @typedef {import("./Module").LibIdentOptions} LibIdentOptions */
+/** @typedef {import("./Module").NeedBuildContext} NeedBuildContext */
+/** @typedef {import("./Module").SourceTypes} SourceTypes */
+/** @typedef {import("./ModuleGraph")} ModuleGraph */
+/** @typedef {import("./RequestShortener")} RequestShortener */
+/** @typedef {import("./ResolverFactory").ResolverWithOptions} ResolverWithOptions */
+/** @typedef {import("./RuntimeTemplate")} RuntimeTemplate */
+/** @typedef {import("./dependencies/ContextElementDependency")} ContextElementDependency */
+/** @typedef {import("./javascript/JavascriptParser").ImportAttributes} ImportAttributes */
+/** @typedef {import("./serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
+/** @typedef {import("./serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
+/** @template T @typedef {import("./util/LazySet")<T>} LazySet<T> */
+/** @typedef {import("./util/fs").InputFileSystem} InputFileSystem */
+
+/** @typedef {"sync" | "eager" | "weak" | "async-weak" | "lazy" | "lazy-once"} ContextMode Context mode */
+
+/**
+ * @typedef {object} ContextOptions
+ * @property {ContextMode} mode
+ * @property {boolean} recursive
+ * @property {RegExp} regExp
+ * @property {"strict"|boolean=} namespaceObject
+ * @property {string=} addon
+ * @property {string=} chunkName
+ * @property {RegExp=} include
+ * @property {RegExp=} exclude
+ * @property {RawChunkGroupOptions=} groupOptions
+ * @property {string=} typePrefix
+ * @property {string=} category
+ * @property {(string[][] | null)=} referencedExports exports referenced from modules (won't be mangled)
+ * @property {string=} layer
+ * @property {ImportAttributes=} attributes
+ */
+
+/**
+ * @typedef {object} ContextModuleOptionsExtras
+ * @property {false|string|string[]} resource
+ * @property {string=} resourceQuery
+ * @property {string=} resourceFragment
+ * @property {TODO} resolveOptions
+ */
+
+/** @typedef {ContextOptions & ContextModuleOptionsExtras} ContextModuleOptions */
+
+/**
+ * @callback ResolveDependenciesCallback
+ * @param {Error | null} err
+ * @param {ContextElementDependency[]=} dependencies
+ */
+
+/**
+ * @callback ResolveDependencies
+ * @param {InputFileSystem} fs
+ * @param {ContextModuleOptions} options
+ * @param {ResolveDependenciesCallback} callback
+ */
+
+/** @typedef {1 | 3 | 7 | 9} FakeMapType */
+
+/** @typedef {Record<ModuleId, FakeMapType>} FakeMap */
+
+const SNAPSHOT_OPTIONS = { timestamp: true };
+
+const TYPES = new Set(["javascript"]);
+
+class ContextModule extends Module {
+ /**
+ * @param {ResolveDependencies} resolveDependencies function to get dependencies in this context
+ * @param {ContextModuleOptions} options options object
+ */
+ constructor(resolveDependencies, options) {
+ if (!options || typeof options.resource === "string") {
+ const parsed = parseResource(
+ options ? /** @type {string} */ (options.resource) : ""
+ );
+ const resource = parsed.path;
+ const resourceQuery = (options && options.resourceQuery) || parsed.query;
+ const resourceFragment =
+ (options && options.resourceFragment) || parsed.fragment;
+ const layer = options && options.layer;
+
+ super(JAVASCRIPT_MODULE_TYPE_DYNAMIC, resource, layer);
+ /** @type {ContextModuleOptions} */
+ this.options = {
+ ...options,
+ resource,
+ resourceQuery,
+ resourceFragment
+ };
+ } else {
+ super(JAVASCRIPT_MODULE_TYPE_DYNAMIC, undefined, options.layer);
+ /** @type {ContextModuleOptions} */
+ this.options = {
+ ...options,
+ resource: options.resource,
+ resourceQuery: options.resourceQuery || "",
+ resourceFragment: options.resourceFragment || ""
+ };
+ }
+
+ // Info from Factory
+ /** @type {ResolveDependencies | undefined} */
+ this.resolveDependencies = resolveDependencies;
+ if (options && options.resolveOptions !== undefined) {
+ this.resolveOptions = options.resolveOptions;
+ }
+
+ if (options && typeof options.mode !== "string") {
+ throw new Error("options.mode is a required option");
+ }
+
+ this._identifier = this._createIdentifier();
+ this._forceBuild = true;
+ }
+
+ /**
+ * @returns {SourceTypes} types available (do not mutate)
+ */
+ getSourceTypes() {
+ return TYPES;
+ }
+
+ /**
+ * 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) {
+ const m = /** @type {ContextModule} */ (module);
+ this.resolveDependencies = m.resolveDependencies;
+ this.options = m.options;
+ }
+
+ /**
+ * Assuming this module is in the cache. Remove internal references to allow freeing some memory.
+ */
+ cleanupForCache() {
+ super.cleanupForCache();
+ this.resolveDependencies = undefined;
+ }
+
+ /**
+ * @private
+ * @param {RegExp} regexString RegExp as a string
+ * @param {boolean=} stripSlash do we need to strip a slsh
+ * @returns {string} pretty RegExp
+ */
+ _prettyRegExp(regexString, stripSlash = true) {
+ const str = stripSlash
+ ? regexString.source + regexString.flags
+ : `${regexString}`;
+ return str.replace(/!/g, "%21").replace(/\|/g, "%7C");
+ }
+
+ _createIdentifier() {
+ let identifier =
+ this.context ||
+ (typeof this.options.resource === "string" ||
+ this.options.resource === false
+ ? `${this.options.resource}`
+ : this.options.resource.join("|"));
+ if (this.options.resourceQuery) {
+ identifier += `|${this.options.resourceQuery}`;
+ }
+ if (this.options.resourceFragment) {
+ identifier += `|${this.options.resourceFragment}`;
+ }
+ if (this.options.mode) {
+ identifier += `|${this.options.mode}`;
+ }
+ if (!this.options.recursive) {
+ identifier += "|nonrecursive";
+ }
+ if (this.options.addon) {
+ identifier += `|${this.options.addon}`;
+ }
+ if (this.options.regExp) {
+ identifier += `|${this._prettyRegExp(this.options.regExp, false)}`;
+ }
+ if (this.options.include) {
+ identifier += `|include: ${this._prettyRegExp(
+ this.options.include,
+ false
+ )}`;
+ }
+ if (this.options.exclude) {
+ identifier += `|exclude: ${this._prettyRegExp(
+ this.options.exclude,
+ false
+ )}`;
+ }
+ if (this.options.referencedExports) {
+ identifier += `|referencedExports: ${JSON.stringify(
+ this.options.referencedExports
+ )}`;
+ }
+ if (this.options.chunkName) {
+ identifier += `|chunkName: ${this.options.chunkName}`;
+ }
+ if (this.options.groupOptions) {
+ identifier += `|groupOptions: ${JSON.stringify(
+ this.options.groupOptions
+ )}`;
+ }
+ if (this.options.namespaceObject === "strict") {
+ identifier += "|strict namespace object";
+ } else if (this.options.namespaceObject) {
+ identifier += "|namespace object";
+ }
+ if (this.layer) {
+ identifier += `|layer: ${this.layer}`;
+ }
+
+ return identifier;
+ }
+
+ /**
+ * @returns {string} a unique identifier of the module
+ */
+ identifier() {
+ return this._identifier;
+ }
+
+ /**
+ * @param {RequestShortener} requestShortener the request shortener
+ * @returns {string} a user readable identifier of the module
+ */
+ readableIdentifier(requestShortener) {
+ let identifier;
+ if (this.context) {
+ identifier = `${requestShortener.shorten(this.context)}/`;
+ } else if (
+ typeof this.options.resource === "string" ||
+ this.options.resource === false
+ ) {
+ identifier = `${requestShortener.shorten(`${this.options.resource}`)}/`;
+ } else {
+ identifier = this.options.resource
+ .map(r => `${requestShortener.shorten(r)}/`)
+ .join(" ");
+ }
+ if (this.options.resourceQuery) {
+ identifier += ` ${this.options.resourceQuery}`;
+ }
+ if (this.options.mode) {
+ identifier += ` ${this.options.mode}`;
+ }
+ if (!this.options.recursive) {
+ identifier += " nonrecursive";
+ }
+ if (this.options.addon) {
+ identifier += ` ${requestShortener.shorten(this.options.addon)}`;
+ }
+ if (this.options.regExp) {
+ identifier += ` ${this._prettyRegExp(this.options.regExp)}`;
+ }
+ if (this.options.include) {
+ identifier += ` include: ${this._prettyRegExp(this.options.include)}`;
+ }
+ if (this.options.exclude) {
+ identifier += ` exclude: ${this._prettyRegExp(this.options.exclude)}`;
+ }
+ if (this.options.referencedExports) {
+ identifier += ` referencedExports: ${this.options.referencedExports
+ .map(e => e.join("."))
+ .join(", ")}`;
+ }
+ if (this.options.chunkName) {
+ identifier += ` chunkName: ${this.options.chunkName}`;
+ }
+ if (this.options.groupOptions) {
+ const groupOptions = this.options.groupOptions;
+ for (const key of Object.keys(groupOptions)) {
+ identifier += ` ${key}: ${
+ groupOptions[/** @type {keyof RawChunkGroupOptions} */ (key)]
+ }`;
+ }
+ }
+ if (this.options.namespaceObject === "strict") {
+ identifier += " strict namespace object";
+ } else if (this.options.namespaceObject) {
+ identifier += " namespace object";
+ }
+
+ return identifier;
+ }
+
+ /**
+ * @param {LibIdentOptions} options options
+ * @returns {string | null} an identifier for library inclusion
+ */
+ libIdent(options) {
+ let identifier;
+
+ if (this.context) {
+ identifier = contextify(
+ options.context,
+ this.context,
+ options.associatedObjectForCache
+ );
+ } else if (typeof this.options.resource === "string") {
+ identifier = contextify(
+ options.context,
+ this.options.resource,
+ options.associatedObjectForCache
+ );
+ } else if (this.options.resource === false) {
+ identifier = "false";
+ } else {
+ identifier = this.options.resource
+ .map(res =>
+ contextify(options.context, res, options.associatedObjectForCache)
+ )
+ .join(" ");
+ }
+
+ if (this.layer) identifier = `(${this.layer})/${identifier}`;
+ if (this.options.mode) {
+ identifier += ` ${this.options.mode}`;
+ }
+ if (this.options.recursive) {
+ identifier += " recursive";
+ }
+ if (this.options.addon) {
+ identifier += ` ${contextify(
+ options.context,
+ this.options.addon,
+ options.associatedObjectForCache
+ )}`;
+ }
+ if (this.options.regExp) {
+ identifier += ` ${this._prettyRegExp(this.options.regExp)}`;
+ }
+ if (this.options.include) {
+ identifier += ` include: ${this._prettyRegExp(this.options.include)}`;
+ }
+ if (this.options.exclude) {
+ identifier += ` exclude: ${this._prettyRegExp(this.options.exclude)}`;
+ }
+ if (this.options.referencedExports) {
+ identifier += ` referencedExports: ${this.options.referencedExports
+ .map(e => e.join("."))
+ .join(", ")}`;
+ }
+
+ return identifier;
+ }
+
+ /**
+ * @returns {void}
+ */
+ invalidateBuild() {
+ this._forceBuild = true;
+ }
+
+ /**
+ * @param {NeedBuildContext} context context info
+ * @param {function((WebpackError | null)=, boolean=): void} callback callback function, returns true, if the module needs a rebuild
+ * @returns {void}
+ */
+ needBuild({ fileSystemInfo }, callback) {
+ // build if enforced
+ if (this._forceBuild) return callback(null, true);
+
+ const buildInfo = /** @type {BuildInfo} */ (this.buildInfo);
+
+ // always build when we have no snapshot and context
+ if (!buildInfo.snapshot)
+ return callback(null, Boolean(this.context || this.options.resource));
+
+ fileSystemInfo.checkSnapshotValid(buildInfo.snapshot, (err, valid) => {
+ callback(err, !valid);
+ });
+ }
+
+ /**
+ * @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) {
+ this._forceBuild = false;
+ /** @type {BuildMeta} */
+ this.buildMeta = {
+ exportsType: "default",
+ defaultObject: "redirect-warn"
+ };
+ this.buildInfo = {
+ snapshot: undefined
+ };
+ this.dependencies.length = 0;
+ this.blocks.length = 0;
+ const startTime = Date.now();
+ /** @type {ResolveDependencies} */
+ (this.resolveDependencies)(fs, this.options, (err, dependencies) => {
+ if (err) {
+ return callback(
+ makeWebpackError(err, "ContextModule.resolveDependencies")
+ );
+ }
+
+ // abort if something failed
+ // this will create an empty context
+ if (!dependencies) {
+ callback();
+ return;
+ }
+
+ // enhance dependencies with meta info
+ for (const dep of dependencies) {
+ dep.loc = {
+ name: dep.userRequest
+ };
+ dep.request = this.options.addon + dep.request;
+ }
+ dependencies.sort(
+ concatComparators(
+ compareSelect(a => a.loc, compareLocations),
+ keepOriginalOrder(this.dependencies)
+ )
+ );
+
+ if (this.options.mode === "sync" || this.options.mode === "eager") {
+ // if we have an sync or eager context
+ // just add all dependencies and continue
+ this.dependencies = dependencies;
+ } else if (this.options.mode === "lazy-once") {
+ // for the lazy-once mode create a new async dependency block
+ // and add that block to this context
+ if (dependencies.length > 0) {
+ const block = new AsyncDependenciesBlock({
+ ...this.options.groupOptions,
+ name: this.options.chunkName
+ });
+ for (const dep of dependencies) {
+ block.addDependency(dep);
+ }
+ this.addBlock(block);
+ }
+ } else if (
+ this.options.mode === "weak" ||
+ this.options.mode === "async-weak"
+ ) {
+ // we mark all dependencies as weak
+ for (const dep of dependencies) {
+ dep.weak = true;
+ }
+ this.dependencies = dependencies;
+ } else if (this.options.mode === "lazy") {
+ // if we are lazy create a new async dependency block per dependency
+ // and add all blocks to this context
+ let index = 0;
+ for (const dep of dependencies) {
+ let chunkName = this.options.chunkName;
+ if (chunkName) {
+ if (!/\[(index|request)\]/.test(chunkName)) {
+ chunkName += "[index]";
+ }
+ chunkName = chunkName.replace(/\[index\]/g, `${index++}`);
+ chunkName = chunkName.replace(
+ /\[request\]/g,
+ Template.toPath(dep.userRequest)
+ );
+ }
+ const block = new AsyncDependenciesBlock(
+ {
+ ...this.options.groupOptions,
+ name: chunkName
+ },
+ dep.loc,
+ dep.userRequest
+ );
+ block.addDependency(dep);
+ this.addBlock(block);
+ }
+ } else {
+ callback(
+ new WebpackError(`Unsupported mode "${this.options.mode}" in context`)
+ );
+ return;
+ }
+ if (!this.context && !this.options.resource) return callback();
+
+ compilation.fileSystemInfo.createSnapshot(
+ startTime,
+ null,
+ this.context
+ ? [this.context]
+ : typeof this.options.resource === "string"
+ ? [this.options.resource]
+ : /** @type {string[]} */ (this.options.resource),
+ null,
+ SNAPSHOT_OPTIONS,
+ (err, snapshot) => {
+ if (err) return callback(err);
+ /** @type {BuildInfo} */
+ (this.buildInfo).snapshot = snapshot;
+ callback();
+ }
+ );
+ });
+ }
+
+ /**
+ * @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
+ ) {
+ if (this.context) {
+ contextDependencies.add(this.context);
+ } else if (typeof this.options.resource === "string") {
+ contextDependencies.add(this.options.resource);
+ } else if (this.options.resource === false) {
+ // Do nothing
+ } else {
+ for (const res of this.options.resource) contextDependencies.add(res);
+ }
+ }
+
+ /**
+ * @param {Dependency[]} dependencies all dependencies
+ * @param {ChunkGraph} chunkGraph chunk graph
+ * @returns {Map<string, string | number>} map with user requests
+ */
+ getUserRequestMap(dependencies, chunkGraph) {
+ const moduleGraph = chunkGraph.moduleGraph;
+ // if we filter first we get a new array
+ // therefore we don't need to create a clone of dependencies explicitly
+ // therefore the order of this is !important!
+ const sortedDependencies =
+ /** @type {ContextElementDependency[]} */
+ (dependencies)
+ .filter(dependency => moduleGraph.getModule(dependency))
+ .sort((a, b) => {
+ if (a.userRequest === b.userRequest) {
+ return 0;
+ }
+ return a.userRequest < b.userRequest ? -1 : 1;
+ });
+ const map = Object.create(null);
+ for (const dep of sortedDependencies) {
+ const module = /** @type {Module} */ (moduleGraph.getModule(dep));
+ map[dep.userRequest] = chunkGraph.getModuleId(module);
+ }
+ return map;
+ }
+
+ /**
+ * @param {Dependency[]} dependencies all dependencies
+ * @param {ChunkGraph} chunkGraph chunk graph
+ * @returns {FakeMap | FakeMapType} fake map
+ */
+ getFakeMap(dependencies, chunkGraph) {
+ if (!this.options.namespaceObject) {
+ return 9;
+ }
+ const moduleGraph = chunkGraph.moduleGraph;
+ // bitfield
+ let hasType = 0;
+ const comparator = compareModulesById(chunkGraph);
+ // if we filter first we get a new array
+ // therefore we don't need to create a clone of dependencies explicitly
+ // therefore the order of this is !important!
+ const sortedModules = dependencies
+ .map(
+ dependency => /** @type {Module} */ (moduleGraph.getModule(dependency))
+ )
+ .filter(Boolean)
+ .sort(comparator);
+ /** @type {FakeMap} */
+ const fakeMap = Object.create(null);
+ for (const module of sortedModules) {
+ const exportsType = module.getExportsType(
+ moduleGraph,
+ this.options.namespaceObject === "strict"
+ );
+ const id = /** @type {ModuleId} */ (chunkGraph.getModuleId(module));
+ switch (exportsType) {
+ case "namespace":
+ fakeMap[id] = 9;
+ hasType |= 1;
+ break;
+ case "dynamic":
+ fakeMap[id] = 7;
+ hasType |= 2;
+ break;
+ case "default-only":
+ fakeMap[id] = 1;
+ hasType |= 4;
+ break;
+ case "default-with-named":
+ fakeMap[id] = 3;
+ hasType |= 8;
+ break;
+ default:
+ throw new Error(`Unexpected exports type ${exportsType}`);
+ }
+ }
+ if (hasType === 1) {
+ return 9;
+ }
+ if (hasType === 2) {
+ return 7;
+ }
+ if (hasType === 4) {
+ return 1;
+ }
+ if (hasType === 8) {
+ return 3;
+ }
+ if (hasType === 0) {
+ return 9;
+ }
+ return fakeMap;
+ }
+
+ /**
+ * @param {FakeMap | FakeMapType} fakeMap fake map
+ * @returns {string} fake map init statement
+ */
+ getFakeMapInitStatement(fakeMap) {
+ return typeof fakeMap === "object"
+ ? `var fakeMap = ${JSON.stringify(fakeMap, null, "\t")};`
+ : "";
+ }
+
+ /**
+ * @param {FakeMapType} type type
+ * @param {boolean=} asyncModule is async module
+ * @returns {string} return result
+ */
+ getReturn(type, asyncModule) {
+ if (type === 9) {
+ return `${RuntimeGlobals.require}(id)`;
+ }
+ return `${RuntimeGlobals.createFakeNamespaceObject}(id, ${type}${
+ asyncModule ? " | 16" : ""
+ })`;
+ }
+
+ /**
+ * @param {FakeMap | FakeMapType} fakeMap fake map
+ * @param {boolean=} asyncModule us async module
+ * @param {string=} fakeMapDataExpression fake map data expression
+ * @returns {string} module object source
+ */
+ getReturnModuleObjectSource(
+ fakeMap,
+ asyncModule,
+ fakeMapDataExpression = "fakeMap[id]"
+ ) {
+ if (typeof fakeMap === "number") {
+ return `return ${this.getReturn(fakeMap, asyncModule)};`;
+ }
+ return `return ${
+ RuntimeGlobals.createFakeNamespaceObject
+ }(id, ${fakeMapDataExpression}${asyncModule ? " | 16" : ""})`;
+ }
+
+ /**
+ * @param {Dependency[]} dependencies dependencies
+ * @param {ModuleId} id module id
+ * @param {ChunkGraph} chunkGraph the chunk graph
+ * @returns {string} source code
+ */
+ getSyncSource(dependencies, id, chunkGraph) {
+ const map = this.getUserRequestMap(dependencies, chunkGraph);
+ const fakeMap = this.getFakeMap(dependencies, chunkGraph);
+ const returnModuleObject = this.getReturnModuleObjectSource(fakeMap);
+
+ return `var map = ${JSON.stringify(map, null, "\t")};
+${this.getFakeMapInitStatement(fakeMap)}
+
+function webpackContext(req) {
+ var id = webpackContextResolve(req);
+ ${returnModuleObject}
+}
+function webpackContextResolve(req) {
+ if(!${RuntimeGlobals.hasOwnProperty}(map, req)) {
+ var e = new Error("Cannot find module '" + req + "'");
+ e.code = 'MODULE_NOT_FOUND';
+ throw e;
+ }
+ return map[req];
+}
+webpackContext.keys = function webpackContextKeys() {
+ return Object.keys(map);
+};
+webpackContext.resolve = webpackContextResolve;
+module.exports = webpackContext;
+webpackContext.id = ${JSON.stringify(id)};`;
+ }
+
+ /**
+ * @param {Dependency[]} dependencies dependencies
+ * @param {ModuleId} id module id
+ * @param {ChunkGraph} chunkGraph the chunk graph
+ * @returns {string} source code
+ */
+ getWeakSyncSource(dependencies, id, chunkGraph) {
+ const map = this.getUserRequestMap(dependencies, chunkGraph);
+ const fakeMap = this.getFakeMap(dependencies, chunkGraph);
+ const returnModuleObject = this.getReturnModuleObjectSource(fakeMap);
+
+ return `var map = ${JSON.stringify(map, null, "\t")};
+${this.getFakeMapInitStatement(fakeMap)}
+
+function webpackContext(req) {
+ var id = webpackContextResolve(req);
+ if(!${RuntimeGlobals.moduleFactories}[id]) {
+ var e = new Error("Module '" + req + "' ('" + id + "') is not available (weak dependency)");
+ e.code = 'MODULE_NOT_FOUND';
+ throw e;
+ }
+ ${returnModuleObject}
+}
+function webpackContextResolve(req) {
+ if(!${RuntimeGlobals.hasOwnProperty}(map, req)) {
+ var e = new Error("Cannot find module '" + req + "'");
+ e.code = 'MODULE_NOT_FOUND';
+ throw e;
+ }
+ return map[req];
+}
+webpackContext.keys = function webpackContextKeys() {
+ return Object.keys(map);
+};
+webpackContext.resolve = webpackContextResolve;
+webpackContext.id = ${JSON.stringify(id)};
+module.exports = webpackContext;`;
+ }
+
+ /**
+ * @param {Dependency[]} dependencies dependencies
+ * @param {ModuleId} id module id
+ * @param {object} context context
+ * @param {ChunkGraph} context.chunkGraph the chunk graph
+ * @param {RuntimeTemplate} context.runtimeTemplate the chunk graph
+ * @returns {string} source code
+ */
+ getAsyncWeakSource(dependencies, id, { chunkGraph, runtimeTemplate }) {
+ const arrow = runtimeTemplate.supportsArrowFunction();
+ const map = this.getUserRequestMap(dependencies, chunkGraph);
+ const fakeMap = this.getFakeMap(dependencies, chunkGraph);
+ const returnModuleObject = this.getReturnModuleObjectSource(fakeMap, true);
+
+ return `var map = ${JSON.stringify(map, null, "\t")};
+${this.getFakeMapInitStatement(fakeMap)}
+
+function webpackAsyncContext(req) {
+ return webpackAsyncContextResolve(req).then(${
+ arrow ? "id =>" : "function(id)"
+ } {
+ if(!${RuntimeGlobals.moduleFactories}[id]) {
+ var e = new Error("Module '" + req + "' ('" + id + "') is not available (weak dependency)");
+ e.code = 'MODULE_NOT_FOUND';
+ throw e;
+ }
+ ${returnModuleObject}
+ });
+}
+function webpackAsyncContextResolve(req) {
+ // Here Promise.resolve().then() is used instead of new Promise() to prevent
+ // uncaught exception popping up in devtools
+ return Promise.resolve().then(${arrow ? "() =>" : "function()"} {
+ if(!${RuntimeGlobals.hasOwnProperty}(map, req)) {
+ var e = new Error("Cannot find module '" + req + "'");
+ e.code = 'MODULE_NOT_FOUND';
+ throw e;
+ }
+ return map[req];
+ });
+}
+webpackAsyncContext.keys = ${runtimeTemplate.returningFunction(
+ "Object.keys(map)"
+ )};
+webpackAsyncContext.resolve = webpackAsyncContextResolve;
+webpackAsyncContext.id = ${JSON.stringify(id)};
+module.exports = webpackAsyncContext;`;
+ }
+
+ /**
+ * @param {Dependency[]} dependencies dependencies
+ * @param {ModuleId} id module id
+ * @param {object} context context
+ * @param {ChunkGraph} context.chunkGraph the chunk graph
+ * @param {RuntimeTemplate} context.runtimeTemplate the chunk graph
+ * @returns {string} source code
+ */
+ getEagerSource(dependencies, id, { chunkGraph, runtimeTemplate }) {
+ const arrow = runtimeTemplate.supportsArrowFunction();
+ const map = this.getUserRequestMap(dependencies, chunkGraph);
+ const fakeMap = this.getFakeMap(dependencies, chunkGraph);
+ const thenFunction =
+ fakeMap !== 9
+ ? `${arrow ? "id =>" : "function(id)"} {
+ ${this.getReturnModuleObjectSource(fakeMap, true)}
+ }`
+ : RuntimeGlobals.require;
+ return `var map = ${JSON.stringify(map, null, "\t")};
+${this.getFakeMapInitStatement(fakeMap)}
+
+function webpackAsyncContext(req) {
+ return webpackAsyncContextResolve(req).then(${thenFunction});
+}
+function webpackAsyncContextResolve(req) {
+ // Here Promise.resolve().then() is used instead of new Promise() to prevent
+ // uncaught exception popping up in devtools
+ return Promise.resolve().then(${arrow ? "() =>" : "function()"} {
+ if(!${RuntimeGlobals.hasOwnProperty}(map, req)) {
+ var e = new Error("Cannot find module '" + req + "'");
+ e.code = 'MODULE_NOT_FOUND';
+ throw e;
+ }
+ return map[req];
+ });
+}
+webpackAsyncContext.keys = ${runtimeTemplate.returningFunction(
+ "Object.keys(map)"
+ )};
+webpackAsyncContext.resolve = webpackAsyncContextResolve;
+webpackAsyncContext.id = ${JSON.stringify(id)};
+module.exports = webpackAsyncContext;`;
+ }
+
+ /**
+ * @param {AsyncDependenciesBlock} block block
+ * @param {Dependency[]} dependencies dependencies
+ * @param {ModuleId} id module id
+ * @param {object} options options object
+ * @param {RuntimeTemplate} options.runtimeTemplate the runtime template
+ * @param {ChunkGraph} options.chunkGraph the chunk graph
+ * @returns {string} source code
+ */
+ getLazyOnceSource(block, dependencies, id, { runtimeTemplate, chunkGraph }) {
+ const promise = runtimeTemplate.blockPromise({
+ chunkGraph,
+ block,
+ message: "lazy-once context",
+ runtimeRequirements: new Set()
+ });
+ const arrow = runtimeTemplate.supportsArrowFunction();
+ const map = this.getUserRequestMap(dependencies, chunkGraph);
+ const fakeMap = this.getFakeMap(dependencies, chunkGraph);
+ const thenFunction =
+ fakeMap !== 9
+ ? `${arrow ? "id =>" : "function(id)"} {
+ ${this.getReturnModuleObjectSource(fakeMap, true)};
+ }`
+ : RuntimeGlobals.require;
+
+ return `var map = ${JSON.stringify(map, null, "\t")};
+${this.getFakeMapInitStatement(fakeMap)}
+
+function webpackAsyncContext(req) {
+ return webpackAsyncContextResolve(req).then(${thenFunction});
+}
+function webpackAsyncContextResolve(req) {
+ return ${promise}.then(${arrow ? "() =>" : "function()"} {
+ if(!${RuntimeGlobals.hasOwnProperty}(map, req)) {
+ var e = new Error("Cannot find module '" + req + "'");
+ e.code = 'MODULE_NOT_FOUND';
+ throw e;
+ }
+ return map[req];
+ });
+}
+webpackAsyncContext.keys = ${runtimeTemplate.returningFunction(
+ "Object.keys(map)"
+ )};
+webpackAsyncContext.resolve = webpackAsyncContextResolve;
+webpackAsyncContext.id = ${JSON.stringify(id)};
+module.exports = webpackAsyncContext;`;
+ }
+
+ /**
+ * @param {AsyncDependenciesBlock[]} blocks blocks
+ * @param {ModuleId} id module id
+ * @param {object} context context
+ * @param {ChunkGraph} context.chunkGraph the chunk graph
+ * @param {RuntimeTemplate} context.runtimeTemplate the chunk graph
+ * @returns {string} source code
+ */
+ getLazySource(blocks, id, { chunkGraph, runtimeTemplate }) {
+ const moduleGraph = chunkGraph.moduleGraph;
+ const arrow = runtimeTemplate.supportsArrowFunction();
+ let hasMultipleOrNoChunks = false;
+ let hasNoChunk = true;
+ const fakeMap = this.getFakeMap(
+ blocks.map(b => b.dependencies[0]),
+ chunkGraph
+ );
+ const hasFakeMap = typeof fakeMap === "object";
+ /** @typedef {{userRequest: string, dependency: ContextElementDependency, chunks: undefined | Chunk[], module: Module, block: AsyncDependenciesBlock}} Item */
+ /**
+ * @type {Item[]}
+ */
+ const items = blocks
+ .map(block => {
+ const dependency =
+ /** @type {ContextElementDependency} */
+ (block.dependencies[0]);
+ return {
+ dependency,
+ module: /** @type {Module} */ (moduleGraph.getModule(dependency)),
+ block,
+ userRequest: dependency.userRequest,
+ chunks: undefined
+ };
+ })
+ .filter(item => item.module);
+ for (const item of items) {
+ const chunkGroup = chunkGraph.getBlockChunkGroup(item.block);
+ const chunks = (chunkGroup && chunkGroup.chunks) || [];
+ item.chunks = chunks;
+ if (chunks.length > 0) {
+ hasNoChunk = false;
+ }
+ if (chunks.length !== 1) {
+ hasMultipleOrNoChunks = true;
+ }
+ }
+ const shortMode = hasNoChunk && !hasFakeMap;
+ const sortedItems = items.sort((a, b) => {
+ if (a.userRequest === b.userRequest) return 0;
+ return a.userRequest < b.userRequest ? -1 : 1;
+ });
+ /** @type {Record<string, ModuleId | (ModuleId[] | ChunkId[])>} */
+ const map = Object.create(null);
+ for (const item of sortedItems) {
+ const moduleId =
+ /** @type {ModuleId} */
+ (chunkGraph.getModuleId(item.module));
+ if (shortMode) {
+ map[item.userRequest] = moduleId;
+ } else {
+ /** @type {(ModuleId | ChunkId)[]} */
+ const arrayStart = [moduleId];
+ if (hasFakeMap) {
+ arrayStart.push(fakeMap[moduleId]);
+ }
+ map[item.userRequest] = arrayStart.concat(
+ /** @type {Chunk[]} */
+ (item.chunks).map(chunk => /** @type {ChunkId} */ (chunk.id))
+ );
+ }
+ }
+
+ const chunksStartPosition = hasFakeMap ? 2 : 1;
+ const requestPrefix = hasNoChunk
+ ? "Promise.resolve()"
+ : hasMultipleOrNoChunks
+ ? `Promise.all(ids.slice(${chunksStartPosition}).map(${RuntimeGlobals.ensureChunk}))`
+ : `${RuntimeGlobals.ensureChunk}(ids[${chunksStartPosition}])`;
+ const returnModuleObject = this.getReturnModuleObjectSource(
+ fakeMap,
+ true,
+ shortMode ? "invalid" : "ids[1]"
+ );
+
+ const webpackAsyncContext =
+ requestPrefix === "Promise.resolve()"
+ ? `
+function webpackAsyncContext(req) {
+ return Promise.resolve().then(${arrow ? "() =>" : "function()"} {
+ if(!${RuntimeGlobals.hasOwnProperty}(map, req)) {
+ var e = new Error("Cannot find module '" + req + "'");
+ e.code = 'MODULE_NOT_FOUND';
+ throw e;
+ }
+
+ ${shortMode ? "var id = map[req];" : "var ids = map[req], id = ids[0];"}
+ ${returnModuleObject}
+ });
+}`
+ : `function webpackAsyncContext(req) {
+ if(!${RuntimeGlobals.hasOwnProperty}(map, req)) {
+ return Promise.resolve().then(${arrow ? "() =>" : "function()"} {
+ var e = new Error("Cannot find module '" + req + "'");
+ e.code = 'MODULE_NOT_FOUND';
+ throw e;
+ });
+ }
+
+ var ids = map[req], id = ids[0];
+ return ${requestPrefix}.then(${arrow ? "() =>" : "function()"} {
+ ${returnModuleObject}
+ });
+}`;
+
+ return `var map = ${JSON.stringify(map, null, "\t")};
+${webpackAsyncContext}
+webpackAsyncContext.keys = ${runtimeTemplate.returningFunction(
+ "Object.keys(map)"
+ )};
+webpackAsyncContext.id = ${JSON.stringify(id)};
+module.exports = webpackAsyncContext;`;
+ }
+
+ /**
+ * @param {ModuleId} id module id
+ * @param {RuntimeTemplate} runtimeTemplate runtime template
+ * @returns {string} source for empty async context
+ */
+ getSourceForEmptyContext(id, runtimeTemplate) {
+ return `function webpackEmptyContext(req) {
+ var e = new Error("Cannot find module '" + req + "'");
+ e.code = 'MODULE_NOT_FOUND';
+ throw e;
+}
+webpackEmptyContext.keys = ${runtimeTemplate.returningFunction("[]")};
+webpackEmptyContext.resolve = webpackEmptyContext;
+webpackEmptyContext.id = ${JSON.stringify(id)};
+module.exports = webpackEmptyContext;`;
+ }
+
+ /**
+ * @param {ModuleId} id module id
+ * @param {RuntimeTemplate} runtimeTemplate runtime template
+ * @returns {string} source for empty async context
+ */
+ getSourceForEmptyAsyncContext(id, runtimeTemplate) {
+ const arrow = runtimeTemplate.supportsArrowFunction();
+ return `function webpackEmptyAsyncContext(req) {
+ // Here Promise.resolve().then() is used instead of new Promise() to prevent
+ // uncaught exception popping up in devtools
+ return Promise.resolve().then(${arrow ? "() =>" : "function()"} {
+ var e = new Error("Cannot find module '" + req + "'");
+ e.code = 'MODULE_NOT_FOUND';
+ throw e;
+ });
+}
+webpackEmptyAsyncContext.keys = ${runtimeTemplate.returningFunction("[]")};
+webpackEmptyAsyncContext.resolve = webpackEmptyAsyncContext;
+webpackEmptyAsyncContext.id = ${JSON.stringify(id)};
+module.exports = webpackEmptyAsyncContext;`;
+ }
+
+ /**
+ * @param {string} asyncMode module mode
+ * @param {CodeGenerationContext} context context info
+ * @returns {string} the source code
+ */
+ getSourceString(asyncMode, { runtimeTemplate, chunkGraph }) {
+ const id = /** @type {ModuleId} */ (chunkGraph.getModuleId(this));
+ if (asyncMode === "lazy") {
+ if (this.blocks && this.blocks.length > 0) {
+ return this.getLazySource(this.blocks, id, {
+ runtimeTemplate,
+ chunkGraph
+ });
+ }
+ return this.getSourceForEmptyAsyncContext(id, runtimeTemplate);
+ }
+ if (asyncMode === "eager") {
+ if (this.dependencies && this.dependencies.length > 0) {
+ return this.getEagerSource(this.dependencies, id, {
+ chunkGraph,
+ runtimeTemplate
+ });
+ }
+ return this.getSourceForEmptyAsyncContext(id, runtimeTemplate);
+ }
+ if (asyncMode === "lazy-once") {
+ const block = this.blocks[0];
+ if (block) {
+ return this.getLazyOnceSource(block, block.dependencies, id, {
+ runtimeTemplate,
+ chunkGraph
+ });
+ }
+ return this.getSourceForEmptyAsyncContext(id, runtimeTemplate);
+ }
+ if (asyncMode === "async-weak") {
+ if (this.dependencies && this.dependencies.length > 0) {
+ return this.getAsyncWeakSource(this.dependencies, id, {
+ chunkGraph,
+ runtimeTemplate
+ });
+ }
+ return this.getSourceForEmptyAsyncContext(id, runtimeTemplate);
+ }
+ if (
+ asyncMode === "weak" &&
+ this.dependencies &&
+ this.dependencies.length > 0
+ ) {
+ return this.getWeakSyncSource(this.dependencies, id, chunkGraph);
+ }
+ if (this.dependencies && this.dependencies.length > 0) {
+ return this.getSyncSource(this.dependencies, id, chunkGraph);
+ }
+ return this.getSourceForEmptyContext(id, runtimeTemplate);
+ }
+
+ /**
+ * @param {string} sourceString source content
+ * @param {Compilation=} compilation the compilation
+ * @returns {Source} generated source
+ */
+ getSource(sourceString, compilation) {
+ if (this.useSourceMap || this.useSimpleSourceMap) {
+ return new OriginalSource(
+ sourceString,
+ `webpack://${makePathsRelative(
+ (compilation && compilation.compiler.context) || "",
+ this.identifier(),
+ compilation && compilation.compiler.root
+ )}`
+ );
+ }
+ return new RawSource(sourceString);
+ }
+
+ /**
+ * @param {CodeGenerationContext} context context for code generation
+ * @returns {CodeGenerationResult} result
+ */
+ codeGeneration(context) {
+ const { chunkGraph, compilation } = context;
+ const sources = new Map();
+ sources.set(
+ "javascript",
+ this.getSource(
+ this.getSourceString(this.options.mode, context),
+ compilation
+ )
+ );
+ const set = new Set();
+ const allDeps =
+ this.dependencies.length > 0
+ ? /** @type {ContextElementDependency[]} */ (this.dependencies).slice()
+ : [];
+ for (const block of this.blocks)
+ for (const dep of block.dependencies)
+ allDeps.push(/** @type {ContextElementDependency} */ (dep));
+ set.add(RuntimeGlobals.module);
+ set.add(RuntimeGlobals.hasOwnProperty);
+ if (allDeps.length > 0) {
+ const asyncMode = this.options.mode;
+ set.add(RuntimeGlobals.require);
+ if (asyncMode === "weak") {
+ set.add(RuntimeGlobals.moduleFactories);
+ } else if (asyncMode === "async-weak") {
+ set.add(RuntimeGlobals.moduleFactories);
+ set.add(RuntimeGlobals.ensureChunk);
+ } else if (asyncMode === "lazy" || asyncMode === "lazy-once") {
+ set.add(RuntimeGlobals.ensureChunk);
+ }
+ if (this.getFakeMap(allDeps, chunkGraph) !== 9) {
+ set.add(RuntimeGlobals.createFakeNamespaceObject);
+ }
+ }
+ return {
+ sources,
+ runtimeRequirements: set
+ };
+ }
+
+ /**
+ * @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) {
+ // base penalty
+ let size = 160;
+
+ // if we don't have dependencies we stop here.
+ for (const dependency of this.dependencies) {
+ const element = /** @type {ContextElementDependency} */ (dependency);
+ size += 5 + element.userRequest.length;
+ }
+ return size;
+ }
+
+ /**
+ * @param {ObjectSerializerContext} context context
+ */
+ serialize(context) {
+ const { write } = context;
+ write(this._identifier);
+ write(this._forceBuild);
+ super.serialize(context);
+ }
+
+ /**
+ * @param {ObjectDeserializerContext} context context
+ */
+ deserialize(context) {
+ const { read } = context;
+ this._identifier = read();
+ this._forceBuild = read();
+ super.deserialize(context);
+ }
+}
+
+makeSerializable(ContextModule, "webpack/lib/ContextModule");
+
+module.exports = ContextModule;