mirror of https://github.com/webpack/webpack.git
2233 lines
66 KiB
JavaScript
2233 lines
66 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const eslintScope = require("eslint-scope");
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const Referencer = require("eslint-scope/lib/referencer");
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const { SyncBailHook } = require("tapable");
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const {
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CachedSource,
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ConcatSource,
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ReplaceSource
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} = require("webpack-sources");
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const ConcatenationScope = require("../ConcatenationScope");
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const { UsageState } = require("../ExportsInfo");
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const Module = require("../Module");
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const { JS_TYPES } = require("../ModuleSourceTypesConstants");
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const { JAVASCRIPT_MODULE_TYPE_ESM } = require("../ModuleTypeConstants");
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const RuntimeGlobals = require("../RuntimeGlobals");
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const Template = require("../Template");
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const { DEFAULTS } = require("../config/defaults");
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const HarmonyImportDependency = require("../dependencies/HarmonyImportDependency");
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const HarmonyImportSideEffectDependency = require("../dependencies/HarmonyImportSideEffectDependency");
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const HarmonyImportSpecifierDependency = require("../dependencies/HarmonyImportSpecifierDependency");
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const JavascriptParser = require("../javascript/JavascriptParser");
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const {
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getMakeDeferredNamespaceModeFromExportsType,
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getOptimizedDeferredModule
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} = require("../runtime/MakeDeferredNamespaceObjectRuntime");
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const { equals } = require("../util/ArrayHelpers");
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const LazySet = require("../util/LazySet");
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const { concatComparators } = require("../util/comparators");
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const {
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RESERVED_NAMES,
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addScopeSymbols,
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findNewName,
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getAllReferences,
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getPathInAst,
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getUsedNamesInScopeInfo
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} = require("../util/concatenate");
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const createHash = require("../util/createHash");
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const { makePathsRelative } = require("../util/identifier");
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const makeSerializable = require("../util/makeSerializable");
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const propertyAccess = require("../util/propertyAccess");
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const { propertyName } = require("../util/propertyName");
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const {
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filterRuntime,
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intersectRuntime,
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mergeRuntimeCondition,
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mergeRuntimeConditionNonFalse,
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runtimeConditionToString,
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subtractRuntimeCondition
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} = require("../util/runtime");
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/** @typedef {import("eslint-scope").Reference} Reference */
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/** @typedef {import("eslint-scope").Scope} Scope */
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/** @typedef {import("eslint-scope").Variable} Variable */
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/** @typedef {import("webpack-sources").Source} Source */
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/** @typedef {import("../config/defaults").WebpackOptionsNormalizedWithDefaults} WebpackOptions */
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/** @typedef {import("../ChunkGraph")} ChunkGraph */
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/** @typedef {import("../CodeGenerationResults")} CodeGenerationResults */
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/** @typedef {import("../Compilation")} Compilation */
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/** @typedef {import("../Dependency").UpdateHashContext} UpdateHashContext */
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/** @typedef {import("../DependencyTemplates")} DependencyTemplates */
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/** @typedef {import("../ExportsInfo").ExportInfo} ExportInfo */
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/** @typedef {import("../Module").BuildCallback} BuildCallback */
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/** @typedef {import("../Module").BuildInfo} BuildInfo */
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/** @typedef {import("../Module").FileSystemDependencies} FileSystemDependencies */
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/** @typedef {import("../Module").BuildMeta} BuildMeta */
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/** @typedef {import("../Module").CodeGenerationContext} CodeGenerationContext */
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/** @typedef {import("../Module").CodeGenerationResult} CodeGenerationResult */
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/** @typedef {import("../Module").LibIdentOptions} LibIdentOptions */
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/** @typedef {import("../Module").LibIdent} LibIdent */
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/** @typedef {import("../Module").NameForCondition} NameForCondition */
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/** @typedef {import("../Module").ReadOnlyRuntimeRequirements} ReadOnlyRuntimeRequirements */
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/** @typedef {import("../Module").RuntimeRequirements} RuntimeRequirements */
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/** @typedef {import("../Module").SourceTypes} SourceTypes */
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/** @typedef {import("../ModuleGraph")} ModuleGraph */
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/** @typedef {import("../ModuleGraphConnection")} ModuleGraphConnection */
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/** @typedef {import("../ModuleGraphConnection").ConnectionState} ConnectionState */
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/** @typedef {import("../RequestShortener")} RequestShortener */
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/** @typedef {import("../ResolverFactory").ResolverWithOptions} ResolverWithOptions */
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/** @typedef {import("../RuntimeTemplate")} RuntimeTemplate */
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/** @typedef {import("../javascript/JavascriptModulesPlugin").ChunkRenderContext} ChunkRenderContext */
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/** @typedef {import("../javascript/JavascriptParser").Program} Program */
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/** @typedef {import("../javascript/JavascriptParser").Range} Range */
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/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
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/** @typedef {import("../util/Hash")} Hash */
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/** @typedef {typeof import("../util/Hash")} HashConstructor */
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/** @typedef {import("../util/concatenate").ScopeInfo} ScopeInfo */
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/** @typedef {import("../util/fs").InputFileSystem} InputFileSystem */
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/** @typedef {import("../util/identifier").AssociatedObjectForCache} AssociatedObjectForCache */
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/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
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/**
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* @template T
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* @typedef {import("../InitFragment")<T>} InitFragment
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*/
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/**
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* @template T
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* @typedef {import("../util/comparators").Comparator<T>} Comparator
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*/
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// fix eslint-scope to support class properties correctly
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// cspell:word Referencer
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const ReferencerClass = Referencer;
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if (!ReferencerClass.prototype.PropertyDefinition) {
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ReferencerClass.prototype.PropertyDefinition =
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ReferencerClass.prototype.Property;
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}
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/** @typedef {RawBinding | SymbolBinding} Binding */
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/** @typedef {string[]} ExportName */
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/**
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* @typedef {object} RawBinding
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* @property {ModuleInfo} info
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* @property {string} rawName
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* @property {string=} comment
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* @property {ExportName} ids
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* @property {ExportName} exportName
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*/
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/**
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* @typedef {object} SymbolBinding
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* @property {ConcatenatedModuleInfo} info
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* @property {string} name
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* @property {string=} comment
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* @property {ExportName} ids
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* @property {ExportName} exportName
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*/
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/** @typedef {ConcatenatedModuleInfo | ExternalModuleInfo } ModuleInfo */
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/** @typedef {ConcatenatedModuleInfo | ExternalModuleInfo | ReferenceToModuleInfo } ModuleInfoOrReference */
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/**
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* @typedef {object} ConcatenatedModuleInfo
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* @property {"concatenated"} type
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* @property {Module} module
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* @property {number} index
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* @property {Program | undefined} ast
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* @property {Source | undefined} internalSource
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* @property {ReplaceSource | undefined} source
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* @property {InitFragment<ChunkRenderContext>[]=} chunkInitFragments
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* @property {ReadOnlyRuntimeRequirements | undefined} runtimeRequirements
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* @property {Scope | undefined} globalScope
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* @property {Scope | undefined} moduleScope
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* @property {Map<string, string>} internalNames
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* @property {Map<string, string> | undefined} exportMap
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* @property {Map<string, string> | undefined} rawExportMap
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* @property {string=} namespaceExportSymbol
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* @property {string | undefined} namespaceObjectName
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* @property {ConcatenationScope | undefined} concatenationScope
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* @property {boolean} interopNamespaceObjectUsed "default-with-named" namespace
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* @property {string | undefined} interopNamespaceObjectName "default-with-named" namespace
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* @property {boolean} interopNamespaceObject2Used "default-only" namespace
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* @property {string | undefined} interopNamespaceObject2Name "default-only" namespace
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* @property {boolean} interopDefaultAccessUsed runtime namespace object that detects "__esModule"
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* @property {string | undefined} interopDefaultAccessName runtime namespace object that detects "__esModule"
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*/
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/**
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* @typedef {object} ExternalModuleInfo
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* @property {"external"} type
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* @property {Module} module
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* @property {RuntimeSpec | boolean} runtimeCondition
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* @property {number} index
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* @property {string | undefined} name module.exports / harmony namespace object
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* @property {string | undefined} deferredName deferred module.exports / harmony namespace object
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* @property {boolean} deferred the module is deferred at least once
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* @property {boolean} deferredNamespaceObjectUsed deferred namespace object that being used in a not-analyzable way so it must be materialized
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* @property {string | undefined} deferredNamespaceObjectName deferred namespace object that being used in a not-analyzable way so it must be materialized
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* @property {boolean} interopNamespaceObjectUsed "default-with-named" namespace
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* @property {string | undefined} interopNamespaceObjectName "default-with-named" namespace
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* @property {boolean} interopNamespaceObject2Used "default-only" namespace
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* @property {string | undefined} interopNamespaceObject2Name "default-only" namespace
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* @property {boolean} interopDefaultAccessUsed runtime namespace object that detects "__esModule"
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* @property {string | undefined} interopDefaultAccessName runtime namespace object that detects "__esModule"
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*/
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/**
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* @typedef {object} ReferenceToModuleInfo
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* @property {"reference"} type
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* @property {RuntimeSpec | boolean} runtimeCondition
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* @property {ModuleInfo} target
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*/
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/**
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* @template T
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* @param {string} property property
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* @param {function(T[keyof T], T[keyof T]): 0 | 1 | -1} comparator comparator
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* @returns {Comparator<T>} comparator
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*/
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const createComparator = (property, comparator) => (a, b) =>
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comparator(
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a[/** @type {keyof T} */ (property)],
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b[/** @type {keyof T} */ (property)]
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);
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/**
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* @param {number} a a
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* @param {number} b b
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* @returns {0 | 1 | -1} result
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*/
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const compareNumbers = (a, b) => {
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if (Number.isNaN(a)) {
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if (!Number.isNaN(b)) {
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return 1;
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}
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} else {
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if (Number.isNaN(b)) {
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return -1;
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}
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if (a !== b) {
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return a < b ? -1 : 1;
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}
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}
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return 0;
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};
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const bySourceOrder = createComparator("sourceOrder", compareNumbers);
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const byRangeStart = createComparator("rangeStart", compareNumbers);
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const moveDeferToLast = (
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/** @type {{ defer?: boolean }} */ a,
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/** @type {{ defer?: boolean }} */ b
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) => {
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if (a.defer === b.defer) return 0;
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if (a.defer) return 1;
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return -1;
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};
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const INITIAL_USED_NAMES = new Set(RESERVED_NAMES);
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/**
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* @param {Iterable<string>} iterable iterable object
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* @returns {string} joined iterable object
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*/
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const joinIterableWithComma = (iterable) => {
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// This is more performant than Array.from().join(", ")
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// as it doesn't create an array
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let str = "";
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let first = true;
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for (const item of iterable) {
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if (first) {
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first = false;
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} else {
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str += ", ";
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}
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str += item;
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}
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return str;
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};
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/**
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* @typedef {object} ConcatenationEntry
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* @property {"concatenated" | "external"} type
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* @property {Module} module
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* @property {RuntimeSpec | boolean} runtimeCondition
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*/
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/** @typedef {Set<ConcatenatedModuleInfo>} NeededNamespaceObjects */
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/** @typedef {Map<Module, ModuleInfo>} ModuleToInfoMap */
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/**
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* @param {ModuleGraph} moduleGraph the module graph
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* @param {ModuleInfo} info module info
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* @param {ExportName} exportName exportName
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* @param {ModuleToInfoMap} moduleToInfoMap moduleToInfoMap
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* @param {RuntimeSpec} runtime for which runtime
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* @param {RequestShortener} requestShortener the request shortener
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* @param {RuntimeTemplate} runtimeTemplate the runtime template
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* @param {NeededNamespaceObjects} neededNamespaceObjects modules for which a namespace object should be generated
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* @param {boolean} asCall asCall
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* @param {boolean} depDeferred the dependency is deferred
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* @param {boolean | undefined} strictHarmonyModule strictHarmonyModule
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* @param {boolean | undefined} asiSafe asiSafe
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* @param {Set<ExportInfo>} alreadyVisited alreadyVisited
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* @returns {Binding} the final variable
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*/
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const getFinalBinding = (
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moduleGraph,
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info,
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exportName,
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moduleToInfoMap,
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runtime,
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requestShortener,
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runtimeTemplate,
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neededNamespaceObjects,
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asCall,
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depDeferred,
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strictHarmonyModule,
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asiSafe,
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alreadyVisited = new Set()
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) => {
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const exportsType = info.module.getExportsType(
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moduleGraph,
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strictHarmonyModule
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);
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const deferred =
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depDeferred &&
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info.type === "external" &&
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info.deferred &&
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!moduleGraph.isAsync(info.module);
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if (exportName.length === 0) {
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switch (exportsType) {
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case "default-only":
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if (deferred) info.deferredNamespaceObjectUsed = true;
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else info.interopNamespaceObject2Used = true;
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return {
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info,
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rawName: /** @type {string} */ (
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deferred
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? info.deferredNamespaceObjectName
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: info.interopNamespaceObject2Name
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),
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ids: exportName,
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exportName
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};
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case "default-with-named":
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if (deferred) info.deferredNamespaceObjectUsed = true;
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else info.interopNamespaceObjectUsed = true;
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return {
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info,
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rawName: /** @type {string} */ (
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deferred
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? info.deferredNamespaceObjectName
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: info.interopNamespaceObjectName
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),
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ids: exportName,
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exportName
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};
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case "namespace":
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case "dynamic":
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break;
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default:
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throw new Error(`Unexpected exportsType ${exportsType}`);
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}
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} else {
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switch (exportsType) {
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case "namespace":
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break;
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case "default-with-named":
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switch (exportName[0]) {
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case "default":
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exportName = exportName.slice(1);
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break;
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case "__esModule":
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return {
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info,
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rawName: "/* __esModule */true",
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ids: exportName.slice(1),
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exportName
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};
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}
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break;
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case "default-only": {
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const exportId = exportName[0];
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if (exportId === "__esModule") {
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return {
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info,
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rawName: "/* __esModule */true",
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ids: exportName.slice(1),
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exportName
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};
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}
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exportName = exportName.slice(1);
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if (exportId !== "default") {
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return {
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info,
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rawName:
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"/* non-default import from default-exporting module */undefined",
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ids: exportName,
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exportName
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};
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}
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break;
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}
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case "dynamic":
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switch (exportName[0]) {
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case "default": {
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exportName = exportName.slice(1);
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if (deferred) {
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return {
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info,
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rawName: `${info.deferredName}.a`,
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ids: exportName,
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exportName
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};
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}
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info.interopDefaultAccessUsed = true;
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const defaultExport = asCall
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? `${info.interopDefaultAccessName}()`
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: asiSafe
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? `(${info.interopDefaultAccessName}())`
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: asiSafe === false
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? `;(${info.interopDefaultAccessName}())`
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: `${info.interopDefaultAccessName}.a`;
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return {
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info,
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rawName: defaultExport,
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ids: exportName,
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exportName
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};
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}
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case "__esModule":
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return {
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info,
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rawName: "/* __esModule */true",
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ids: exportName.slice(1),
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exportName
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};
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}
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break;
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default:
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throw new Error(`Unexpected exportsType ${exportsType}`);
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}
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}
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if (exportName.length === 0) {
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switch (info.type) {
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case "concatenated":
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neededNamespaceObjects.add(info);
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return {
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info,
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rawName:
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/** @type {NonNullable<ConcatenatedModuleInfo["namespaceObjectName"]>} */
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(info.namespaceObjectName),
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ids: exportName,
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exportName
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|
};
|
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case "external":
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if (deferred) {
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info.deferredNamespaceObjectUsed = true;
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return {
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|
info,
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|
rawName: /** @type {string} */ (info.deferredNamespaceObjectName),
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|
ids: exportName,
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exportName
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|
};
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|
}
|
|
return {
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|
info,
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|
rawName:
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|
/** @type {NonNullable<ExternalModuleInfo["name"]>} */
|
|
(info.name),
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ids: exportName,
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|
exportName
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|
};
|
|
}
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|
}
|
|
const exportsInfo = moduleGraph.getExportsInfo(info.module);
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|
const exportInfo = exportsInfo.getExportInfo(exportName[0]);
|
|
if (alreadyVisited.has(exportInfo)) {
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|
return {
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|
info,
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|
rawName: "/* circular reexport */ Object(function x() { x() }())",
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|
ids: [],
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|
exportName
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|
};
|
|
}
|
|
alreadyVisited.add(exportInfo);
|
|
switch (info.type) {
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|
case "concatenated": {
|
|
const exportId = exportName[0];
|
|
if (exportInfo.provided === false) {
|
|
// It's not provided, but it could be on the prototype
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|
neededNamespaceObjects.add(info);
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|
return {
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info,
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rawName: /** @type {string} */ (info.namespaceObjectName),
|
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ids: exportName,
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exportName
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};
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|
}
|
|
const directExport = info.exportMap && info.exportMap.get(exportId);
|
|
if (directExport) {
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const usedName = /** @type {ExportName} */ (
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exportsInfo.getUsedName(exportName, runtime)
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|
);
|
|
if (!usedName) {
|
|
return {
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|
info,
|
|
rawName: "/* unused export */ undefined",
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|
ids: exportName.slice(1),
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exportName
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|
};
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|
}
|
|
return {
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|
info,
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|
name: directExport,
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|
ids: usedName.slice(1),
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|
exportName
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|
};
|
|
}
|
|
const rawExport = info.rawExportMap && info.rawExportMap.get(exportId);
|
|
if (rawExport) {
|
|
return {
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|
info,
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rawName: rawExport,
|
|
ids: exportName.slice(1),
|
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exportName
|
|
};
|
|
}
|
|
const reexport = exportInfo.findTarget(moduleGraph, (module) =>
|
|
moduleToInfoMap.has(module)
|
|
);
|
|
if (reexport === false) {
|
|
throw new Error(
|
|
`Target module of reexport from '${info.module.readableIdentifier(
|
|
requestShortener
|
|
)}' is not part of the concatenation (export '${exportId}')\nModules in the concatenation:\n${Array.from(
|
|
moduleToInfoMap,
|
|
([m, info]) =>
|
|
` * ${info.type} ${m.readableIdentifier(requestShortener)}`
|
|
).join("\n")}`
|
|
);
|
|
}
|
|
if (reexport) {
|
|
const refInfo = moduleToInfoMap.get(reexport.module);
|
|
return getFinalBinding(
|
|
moduleGraph,
|
|
/** @type {ModuleInfo} */ (refInfo),
|
|
reexport.export
|
|
? [...reexport.export, ...exportName.slice(1)]
|
|
: exportName.slice(1),
|
|
moduleToInfoMap,
|
|
runtime,
|
|
requestShortener,
|
|
runtimeTemplate,
|
|
neededNamespaceObjects,
|
|
asCall,
|
|
reexport.deferred,
|
|
/** @type {BuildMeta} */
|
|
(info.module.buildMeta).strictHarmonyModule,
|
|
asiSafe,
|
|
alreadyVisited
|
|
);
|
|
}
|
|
if (info.namespaceExportSymbol) {
|
|
const usedName = /** @type {ExportName} */ (
|
|
exportsInfo.getUsedName(exportName, runtime)
|
|
);
|
|
return {
|
|
info,
|
|
rawName: /** @type {string} */ (info.namespaceObjectName),
|
|
ids: usedName,
|
|
exportName
|
|
};
|
|
}
|
|
throw new Error(
|
|
`Cannot get final name for export '${exportName.join(
|
|
"."
|
|
)}' of ${info.module.readableIdentifier(requestShortener)}`
|
|
);
|
|
}
|
|
|
|
case "external": {
|
|
const used = /** @type {ExportName} */ (
|
|
exportsInfo.getUsedName(exportName, runtime)
|
|
);
|
|
if (!used) {
|
|
return {
|
|
info,
|
|
rawName: "/* unused export */ undefined",
|
|
ids: exportName.slice(1),
|
|
exportName
|
|
};
|
|
}
|
|
const comment = equals(used, exportName)
|
|
? ""
|
|
: Template.toNormalComment(`${exportName.join(".")}`);
|
|
return {
|
|
info,
|
|
rawName:
|
|
(deferred ? info.deferredName : info.name) +
|
|
(deferred ? ".a" : "") +
|
|
comment,
|
|
ids: used,
|
|
exportName
|
|
};
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @param {ModuleGraph} moduleGraph the module graph
|
|
* @param {ModuleInfo} info module info
|
|
* @param {ExportName} exportName exportName
|
|
* @param {ModuleToInfoMap} moduleToInfoMap moduleToInfoMap
|
|
* @param {RuntimeSpec} runtime for which runtime
|
|
* @param {RequestShortener} requestShortener the request shortener
|
|
* @param {RuntimeTemplate} runtimeTemplate the runtime template
|
|
* @param {NeededNamespaceObjects} neededNamespaceObjects modules for which a namespace object should be generated
|
|
* @param {boolean} asCall asCall
|
|
* @param {boolean} depDeferred the dependency is deferred
|
|
* @param {boolean | undefined} callContext callContext
|
|
* @param {boolean | undefined} strictHarmonyModule strictHarmonyModule
|
|
* @param {boolean | undefined} asiSafe asiSafe
|
|
* @returns {string} the final name
|
|
*/
|
|
const getFinalName = (
|
|
moduleGraph,
|
|
info,
|
|
exportName,
|
|
moduleToInfoMap,
|
|
runtime,
|
|
requestShortener,
|
|
runtimeTemplate,
|
|
neededNamespaceObjects,
|
|
asCall,
|
|
depDeferred,
|
|
callContext,
|
|
strictHarmonyModule,
|
|
asiSafe
|
|
) => {
|
|
const binding = getFinalBinding(
|
|
moduleGraph,
|
|
info,
|
|
exportName,
|
|
moduleToInfoMap,
|
|
runtime,
|
|
requestShortener,
|
|
runtimeTemplate,
|
|
neededNamespaceObjects,
|
|
asCall,
|
|
depDeferred,
|
|
strictHarmonyModule,
|
|
asiSafe
|
|
);
|
|
{
|
|
const { ids, comment } = binding;
|
|
let reference;
|
|
let isPropertyAccess;
|
|
if ("rawName" in binding) {
|
|
reference = `${binding.rawName}${comment || ""}${propertyAccess(ids)}`;
|
|
isPropertyAccess = ids.length > 0;
|
|
} else {
|
|
const { info, name: exportId } = binding;
|
|
const name = info.internalNames.get(exportId);
|
|
if (!name) {
|
|
throw new Error(
|
|
`The export "${exportId}" in "${info.module.readableIdentifier(
|
|
requestShortener
|
|
)}" has no internal name (existing names: ${
|
|
Array.from(
|
|
info.internalNames,
|
|
([name, symbol]) => `${name}: ${symbol}`
|
|
).join(", ") || "none"
|
|
})`
|
|
);
|
|
}
|
|
reference = `${name}${comment || ""}${propertyAccess(ids)}`;
|
|
isPropertyAccess = ids.length > 1;
|
|
}
|
|
if (isPropertyAccess && asCall && callContext === false) {
|
|
return asiSafe
|
|
? `(0,${reference})`
|
|
: asiSafe === false
|
|
? `;(0,${reference})`
|
|
: `/*#__PURE__*/Object(${reference})`;
|
|
}
|
|
return reference;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @typedef {object} ConcatenateModuleHooks
|
|
* @property {SyncBailHook<[ConcatenatedModule], boolean>} onDemandExportsGeneration
|
|
* @property {SyncBailHook<[Partial<ConcatenatedModuleInfo>, ConcatenatedModuleInfo], boolean | void>} concatenatedModuleInfo
|
|
*/
|
|
|
|
/** @typedef {BuildInfo["topLevelDeclarations"]} TopLevelDeclarations */
|
|
|
|
/** @type {WeakMap<Compilation, ConcatenateModuleHooks>} */
|
|
const compilationHooksMap = new WeakMap();
|
|
|
|
class ConcatenatedModule extends Module {
|
|
/**
|
|
* @param {Module} rootModule the root module of the concatenation
|
|
* @param {Set<Module>} modules all modules in the concatenation (including the root module)
|
|
* @param {RuntimeSpec} runtime the runtime
|
|
* @param {Compilation} compilation the compilation
|
|
* @param {AssociatedObjectForCache=} associatedObjectForCache object for caching
|
|
* @param {string | HashConstructor=} hashFunction hash function to use
|
|
* @returns {ConcatenatedModule} the module
|
|
*/
|
|
static create(
|
|
rootModule,
|
|
modules,
|
|
runtime,
|
|
compilation,
|
|
associatedObjectForCache,
|
|
hashFunction = DEFAULTS.HASH_FUNCTION
|
|
) {
|
|
const identifier = ConcatenatedModule._createIdentifier(
|
|
rootModule,
|
|
modules,
|
|
associatedObjectForCache,
|
|
hashFunction
|
|
);
|
|
return new ConcatenatedModule({
|
|
identifier,
|
|
rootModule,
|
|
modules,
|
|
runtime,
|
|
compilation
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @param {Compilation} compilation the compilation
|
|
* @returns {ConcatenateModuleHooks} the attached hooks
|
|
*/
|
|
static getCompilationHooks(compilation) {
|
|
let hooks = compilationHooksMap.get(compilation);
|
|
if (hooks === undefined) {
|
|
hooks = {
|
|
onDemandExportsGeneration: new SyncBailHook(["module"]),
|
|
concatenatedModuleInfo: new SyncBailHook([
|
|
"updatedInfo",
|
|
"concatenatedModuleInfo"
|
|
])
|
|
};
|
|
compilationHooksMap.set(compilation, hooks);
|
|
}
|
|
return hooks;
|
|
}
|
|
|
|
/**
|
|
* @param {object} options options
|
|
* @param {string} options.identifier the identifier of the module
|
|
* @param {Module} options.rootModule the root module of the concatenation
|
|
* @param {RuntimeSpec} options.runtime the selected runtime
|
|
* @param {Set<Module>} options.modules all concatenated modules
|
|
* @param {Compilation} options.compilation the compilation
|
|
*/
|
|
constructor({ identifier, rootModule, modules, runtime, compilation }) {
|
|
super(JAVASCRIPT_MODULE_TYPE_ESM, null, rootModule && rootModule.layer);
|
|
|
|
// Info from Factory
|
|
/** @type {string} */
|
|
this._identifier = identifier;
|
|
/** @type {Module} */
|
|
this.rootModule = rootModule;
|
|
/** @type {Set<Module>} */
|
|
this._modules = modules;
|
|
this._runtime = runtime;
|
|
this.factoryMeta = rootModule && rootModule.factoryMeta;
|
|
/** @type {Compilation} */
|
|
this.compilation = compilation;
|
|
}
|
|
|
|
/**
|
|
* 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) {
|
|
throw new Error("Must not be called");
|
|
}
|
|
|
|
/**
|
|
* @returns {SourceTypes} types available (do not mutate)
|
|
*/
|
|
getSourceTypes() {
|
|
return JS_TYPES;
|
|
}
|
|
|
|
get modules() {
|
|
return [...this._modules];
|
|
}
|
|
|
|
/**
|
|
* @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) {
|
|
return `${this.rootModule.readableIdentifier(
|
|
requestShortener
|
|
)} + ${this._modules.size - 1} modules`;
|
|
}
|
|
|
|
/**
|
|
* @param {LibIdentOptions} options options
|
|
* @returns {LibIdent | null} an identifier for library inclusion
|
|
*/
|
|
libIdent(options) {
|
|
return this.rootModule.libIdent(options);
|
|
}
|
|
|
|
/**
|
|
* @returns {NameForCondition | null} absolute path which should be used for condition matching (usually the resource path)
|
|
*/
|
|
nameForCondition() {
|
|
return this.rootModule.nameForCondition();
|
|
}
|
|
|
|
/**
|
|
* @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 this.rootModule.getSideEffectsConnectionState(moduleGraph);
|
|
}
|
|
|
|
/**
|
|
* @param {WebpackOptions} options webpack options
|
|
* @param {Compilation} compilation the compilation
|
|
* @param {ResolverWithOptions} resolver the resolver
|
|
* @param {InputFileSystem} fs the file system
|
|
* @param {BuildCallback} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
build(options, compilation, resolver, fs, callback) {
|
|
const { rootModule } = this;
|
|
const { moduleArgument, exportsArgument } =
|
|
/** @type {BuildInfo} */
|
|
(rootModule.buildInfo);
|
|
this.buildInfo = {
|
|
strict: true,
|
|
cacheable: true,
|
|
moduleArgument,
|
|
exportsArgument,
|
|
fileDependencies: new LazySet(),
|
|
contextDependencies: new LazySet(),
|
|
missingDependencies: new LazySet(),
|
|
topLevelDeclarations: new Set(),
|
|
assets: undefined
|
|
};
|
|
this.buildMeta = rootModule.buildMeta;
|
|
this.clearDependenciesAndBlocks();
|
|
this.clearWarningsAndErrors();
|
|
|
|
for (const m of this._modules) {
|
|
// populate cacheable
|
|
if (!(/** @type {BuildInfo} */ (m.buildInfo).cacheable)) {
|
|
/** @type {BuildInfo} */
|
|
(this.buildInfo).cacheable = false;
|
|
}
|
|
|
|
// populate dependencies
|
|
for (const d of m.dependencies.filter(
|
|
(dep) =>
|
|
!(dep instanceof HarmonyImportDependency) ||
|
|
!this._modules.has(
|
|
/** @type {Module} */
|
|
(compilation.moduleGraph.getModule(dep))
|
|
)
|
|
)) {
|
|
this.dependencies.push(d);
|
|
}
|
|
// populate blocks
|
|
for (const d of m.blocks) {
|
|
this.blocks.push(d);
|
|
}
|
|
|
|
// populate warnings
|
|
const warnings = m.getWarnings();
|
|
if (warnings !== undefined) {
|
|
for (const warning of warnings) {
|
|
this.addWarning(warning);
|
|
}
|
|
}
|
|
|
|
// populate errors
|
|
const errors = m.getErrors();
|
|
if (errors !== undefined) {
|
|
for (const error of errors) {
|
|
this.addError(error);
|
|
}
|
|
}
|
|
|
|
const { assets, assetsInfo, topLevelDeclarations, needCreateRequire } =
|
|
/** @type {BuildInfo} */ (m.buildInfo);
|
|
|
|
const buildInfo = /** @type {BuildInfo} */ (this.buildInfo);
|
|
|
|
// populate topLevelDeclarations
|
|
if (topLevelDeclarations) {
|
|
const topLevelDeclarations = buildInfo.topLevelDeclarations;
|
|
if (topLevelDeclarations !== undefined) {
|
|
for (const decl of topLevelDeclarations) {
|
|
topLevelDeclarations.add(decl);
|
|
}
|
|
}
|
|
} else {
|
|
buildInfo.topLevelDeclarations = undefined;
|
|
}
|
|
|
|
// populate needCreateRequire
|
|
if (needCreateRequire) {
|
|
this.buildInfo.needCreateRequire = true;
|
|
}
|
|
|
|
// populate assets
|
|
if (assets) {
|
|
if (buildInfo.assets === undefined) {
|
|
buildInfo.assets = Object.create(null);
|
|
}
|
|
Object.assign(
|
|
/** @type {NonNullable<BuildInfo["assets"]>} */
|
|
(buildInfo.assets),
|
|
assets
|
|
);
|
|
}
|
|
if (assetsInfo) {
|
|
if (buildInfo.assetsInfo === undefined) {
|
|
buildInfo.assetsInfo = new Map();
|
|
}
|
|
for (const [key, value] of assetsInfo) {
|
|
buildInfo.assetsInfo.set(key, value);
|
|
}
|
|
}
|
|
}
|
|
callback();
|
|
}
|
|
|
|
/**
|
|
* @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) {
|
|
// Guess size from embedded modules
|
|
let size = 0;
|
|
for (const module of this._modules) {
|
|
size += module.size(type);
|
|
}
|
|
return size;
|
|
}
|
|
|
|
/**
|
|
* @private
|
|
* @param {Module} rootModule the root of the concatenation
|
|
* @param {Set<Module>} modulesSet a set of modules which should be concatenated
|
|
* @param {RuntimeSpec} runtime for this runtime
|
|
* @param {ModuleGraph} moduleGraph the module graph
|
|
* @returns {ConcatenationEntry[]} concatenation list
|
|
*/
|
|
_createConcatenationList(rootModule, modulesSet, runtime, moduleGraph) {
|
|
/** @type {ConcatenationEntry[]} */
|
|
const list = [];
|
|
/** @type {Map<Module, RuntimeSpec | true>} */
|
|
const existingEntries = new Map();
|
|
const deferEnabled = this.compilation.options.experiments.deferImport;
|
|
|
|
/**
|
|
* @param {Module} module a module
|
|
* @returns {Iterable<{ connection: ModuleGraphConnection, runtimeCondition: RuntimeSpec | true }>} imported modules in order
|
|
*/
|
|
const getConcatenatedImports = (module) => {
|
|
const connections = [...moduleGraph.getOutgoingConnections(module)];
|
|
if (module === rootModule) {
|
|
for (const c of moduleGraph.getOutgoingConnections(this)) {
|
|
connections.push(c);
|
|
}
|
|
}
|
|
/**
|
|
* @type {{ connection: ModuleGraphConnection, sourceOrder: number, rangeStart: number | undefined, defer?: boolean }[]}
|
|
*/
|
|
const references = connections
|
|
.filter((connection) => {
|
|
if (!(connection.dependency instanceof HarmonyImportDependency)) {
|
|
return false;
|
|
}
|
|
return (
|
|
connection &&
|
|
connection.resolvedOriginModule === module &&
|
|
connection.module &&
|
|
connection.isTargetActive(runtime)
|
|
);
|
|
})
|
|
.map((connection) => {
|
|
const dep =
|
|
/** @type {HarmonyImportDependency} */
|
|
(connection.dependency);
|
|
return {
|
|
connection,
|
|
sourceOrder: dep.sourceOrder,
|
|
rangeStart: dep.range && dep.range[0],
|
|
defer: dep.defer
|
|
};
|
|
});
|
|
/**
|
|
* bySourceOrder
|
|
* @example
|
|
* import a from "a"; // sourceOrder=1
|
|
* import b from "b"; // sourceOrder=2
|
|
*
|
|
* byRangeStart
|
|
* @example
|
|
* import {a, b} from "a"; // sourceOrder=1
|
|
* a.a(); // first range
|
|
* b.b(); // second range
|
|
*
|
|
* If the import is deferred, we always move it to the last.
|
|
* If there is no reexport, we have the same source.
|
|
* If there is reexport, but module has side effects, this will lead to reexport module only.
|
|
* If there is side-effects-free reexport, we can get simple deterministic result with range start comparison.
|
|
*/
|
|
references.sort(concatComparators(bySourceOrder, byRangeStart));
|
|
if (deferEnabled) {
|
|
// do not combine those two sorts. defer is not the same as source or range which has a comparable number, defer is only moving them.
|
|
references.sort(moveDeferToLast);
|
|
}
|
|
/** @type {Map<Module, { connection: ModuleGraphConnection, runtimeCondition: RuntimeSpec | true }>} */
|
|
const referencesMap = new Map();
|
|
for (const { connection } of references) {
|
|
const runtimeCondition = filterRuntime(runtime, (r) =>
|
|
connection.isTargetActive(r)
|
|
);
|
|
if (runtimeCondition === false) continue;
|
|
const module = connection.module;
|
|
const entry = referencesMap.get(module);
|
|
if (entry === undefined) {
|
|
referencesMap.set(module, { connection, runtimeCondition });
|
|
continue;
|
|
}
|
|
entry.runtimeCondition = mergeRuntimeConditionNonFalse(
|
|
entry.runtimeCondition,
|
|
runtimeCondition,
|
|
runtime
|
|
);
|
|
}
|
|
return referencesMap.values();
|
|
};
|
|
|
|
/**
|
|
* @param {ModuleGraphConnection} connection graph connection
|
|
* @param {RuntimeSpec | true} runtimeCondition runtime condition
|
|
* @returns {void}
|
|
*/
|
|
const enterModule = (connection, runtimeCondition) => {
|
|
const module = connection.module;
|
|
if (!module) return;
|
|
const existingEntry = existingEntries.get(module);
|
|
if (existingEntry === true) {
|
|
return;
|
|
}
|
|
if (modulesSet.has(module)) {
|
|
existingEntries.set(module, true);
|
|
if (runtimeCondition !== true) {
|
|
throw new Error(
|
|
`Cannot runtime-conditional concatenate a module (${module.identifier()} in ${this.rootModule.identifier()}, ${runtimeConditionToString(
|
|
runtimeCondition
|
|
)}). This should not happen.`
|
|
);
|
|
}
|
|
const imports = getConcatenatedImports(module);
|
|
for (const { connection, runtimeCondition } of imports) {
|
|
enterModule(connection, runtimeCondition);
|
|
}
|
|
list.push({
|
|
type: "concatenated",
|
|
module: connection.module,
|
|
runtimeCondition
|
|
});
|
|
} else {
|
|
if (existingEntry !== undefined) {
|
|
const reducedRuntimeCondition = subtractRuntimeCondition(
|
|
runtimeCondition,
|
|
existingEntry,
|
|
runtime
|
|
);
|
|
if (reducedRuntimeCondition === false) return;
|
|
runtimeCondition = reducedRuntimeCondition;
|
|
existingEntries.set(
|
|
connection.module,
|
|
mergeRuntimeConditionNonFalse(
|
|
existingEntry,
|
|
runtimeCondition,
|
|
runtime
|
|
)
|
|
);
|
|
} else {
|
|
existingEntries.set(connection.module, runtimeCondition);
|
|
}
|
|
if (list.length > 0) {
|
|
const lastItem = list[list.length - 1];
|
|
if (
|
|
lastItem.type === "external" &&
|
|
lastItem.module === connection.module
|
|
) {
|
|
lastItem.runtimeCondition = mergeRuntimeCondition(
|
|
lastItem.runtimeCondition,
|
|
runtimeCondition,
|
|
runtime
|
|
);
|
|
return;
|
|
}
|
|
}
|
|
list.push({
|
|
type: "external",
|
|
get module() {
|
|
// We need to use a getter here, because the module in the dependency
|
|
// could be replaced by some other process (i. e. also replaced with a
|
|
// concatenated module)
|
|
return connection.module;
|
|
},
|
|
runtimeCondition
|
|
});
|
|
}
|
|
};
|
|
|
|
existingEntries.set(rootModule, true);
|
|
const imports = getConcatenatedImports(rootModule);
|
|
for (const { connection, runtimeCondition } of imports) {
|
|
enterModule(connection, runtimeCondition);
|
|
}
|
|
list.push({
|
|
type: "concatenated",
|
|
module: rootModule,
|
|
runtimeCondition: true
|
|
});
|
|
|
|
return list;
|
|
}
|
|
|
|
/**
|
|
* @param {Module} rootModule the root module of the concatenation
|
|
* @param {Set<Module>} modules all modules in the concatenation (including the root module)
|
|
* @param {AssociatedObjectForCache=} associatedObjectForCache object for caching
|
|
* @param {string | HashConstructor=} hashFunction hash function to use
|
|
* @returns {string} the identifier
|
|
*/
|
|
static _createIdentifier(
|
|
rootModule,
|
|
modules,
|
|
associatedObjectForCache,
|
|
hashFunction = DEFAULTS.HASH_FUNCTION
|
|
) {
|
|
const cachedMakePathsRelative = makePathsRelative.bindContextCache(
|
|
/** @type {string} */ (rootModule.context),
|
|
associatedObjectForCache
|
|
);
|
|
const identifiers = [];
|
|
for (const module of modules) {
|
|
identifiers.push(cachedMakePathsRelative(module.identifier()));
|
|
}
|
|
identifiers.sort();
|
|
const hash = createHash(hashFunction);
|
|
hash.update(identifiers.join(" "));
|
|
return `${rootModule.identifier()}|${hash.digest("hex")}`;
|
|
}
|
|
|
|
/**
|
|
* @param {FileSystemDependencies} fileDependencies set where file dependencies are added to
|
|
* @param {FileSystemDependencies} contextDependencies set where context dependencies are added to
|
|
* @param {FileSystemDependencies} missingDependencies set where missing dependencies are added to
|
|
* @param {FileSystemDependencies} buildDependencies set where build dependencies are added to
|
|
*/
|
|
addCacheDependencies(
|
|
fileDependencies,
|
|
contextDependencies,
|
|
missingDependencies,
|
|
buildDependencies
|
|
) {
|
|
for (const module of this._modules) {
|
|
module.addCacheDependencies(
|
|
fileDependencies,
|
|
contextDependencies,
|
|
missingDependencies,
|
|
buildDependencies
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {CodeGenerationContext} context context for code generation
|
|
* @returns {CodeGenerationResult} result
|
|
*/
|
|
codeGeneration({
|
|
dependencyTemplates,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph,
|
|
runtime: generationRuntime,
|
|
codeGenerationResults
|
|
}) {
|
|
const { concatenatedModuleInfo } = ConcatenatedModule.getCompilationHooks(
|
|
this.compilation
|
|
);
|
|
|
|
/** @type {RuntimeRequirements} */
|
|
const runtimeRequirements = new Set();
|
|
const runtime = intersectRuntime(generationRuntime, this._runtime);
|
|
|
|
const requestShortener = runtimeTemplate.requestShortener;
|
|
// Meta info for each module
|
|
const [modulesWithInfo, moduleToInfoMap] = this._getModulesWithInfo(
|
|
moduleGraph,
|
|
runtime
|
|
);
|
|
|
|
// Set with modules that need a generated namespace object
|
|
/** @type {NeededNamespaceObjects} */
|
|
const neededNamespaceObjects = new Set();
|
|
|
|
// Default disallowed names
|
|
const allUsedNames = new Set(INITIAL_USED_NAMES);
|
|
const chunks = chunkGraph.getModuleChunks(this);
|
|
|
|
// Add names already used in the current chunk scope
|
|
for (const chunk of chunks) {
|
|
if (ConcatenationScope.chunkUsedNames.has(chunk)) {
|
|
for (const name of ConcatenationScope.chunkUsedNames.get(chunk) || []) {
|
|
allUsedNames.add(name);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Generate source code and analyse scopes
|
|
// Prepare a ReplaceSource for the final source
|
|
for (const info of moduleToInfoMap.values()) {
|
|
this._analyseModule(
|
|
moduleToInfoMap,
|
|
info,
|
|
dependencyTemplates,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph,
|
|
runtime,
|
|
/** @type {CodeGenerationResults} */
|
|
(codeGenerationResults),
|
|
allUsedNames
|
|
);
|
|
}
|
|
|
|
// Record the names registered by the current ConcatenatedModule into the chunk scope
|
|
if (INITIAL_USED_NAMES.size !== allUsedNames.size) {
|
|
for (const name of allUsedNames) {
|
|
if (INITIAL_USED_NAMES.has(name)) continue;
|
|
|
|
for (const chunk of chunks) {
|
|
if (!ConcatenationScope.chunkUsedNames.has(chunk)) {
|
|
ConcatenationScope.chunkUsedNames.set(chunk, new Set([name]));
|
|
} else {
|
|
/** @type {Set<string>} */ (
|
|
ConcatenationScope.chunkUsedNames.get(chunk)
|
|
).add(name);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Updated Top level declarations are created by renaming
|
|
/** @type {TopLevelDeclarations} */
|
|
const topLevelDeclarations = new Set();
|
|
|
|
// List of additional names in scope for module references
|
|
/** @type {Map<string, ScopeInfo>} */
|
|
const usedNamesInScopeInfo = new Map();
|
|
|
|
// Set of already checked scopes
|
|
const ignoredScopes = new Set();
|
|
|
|
// get all global names
|
|
for (const info of modulesWithInfo) {
|
|
if (info.type === "concatenated") {
|
|
// ignore symbols from moduleScope
|
|
if (info.moduleScope) {
|
|
ignoredScopes.add(info.moduleScope);
|
|
}
|
|
|
|
// The super class expression in class scopes behaves weird
|
|
// We get ranges of all super class expressions to make
|
|
// renaming to work correctly
|
|
const superClassCache = new WeakMap();
|
|
/**
|
|
* @param {Scope} scope scope
|
|
* @returns {{ range: Range, variables: Variable[] }[]} result
|
|
*/
|
|
const getSuperClassExpressions = (scope) => {
|
|
const cacheEntry = superClassCache.get(scope);
|
|
if (cacheEntry !== undefined) return cacheEntry;
|
|
const superClassExpressions = [];
|
|
for (const childScope of scope.childScopes) {
|
|
if (childScope.type !== "class") continue;
|
|
const block = childScope.block;
|
|
if (
|
|
(block.type === "ClassDeclaration" ||
|
|
block.type === "ClassExpression") &&
|
|
block.superClass
|
|
) {
|
|
superClassExpressions.push({
|
|
range: /** @type {Range} */ (block.superClass.range),
|
|
variables: childScope.variables
|
|
});
|
|
}
|
|
}
|
|
superClassCache.set(scope, superClassExpressions);
|
|
return superClassExpressions;
|
|
};
|
|
|
|
// add global symbols
|
|
if (info.globalScope) {
|
|
for (const reference of info.globalScope.through) {
|
|
const name = reference.identifier.name;
|
|
if (ConcatenationScope.isModuleReference(name)) {
|
|
const match = ConcatenationScope.matchModuleReference(name);
|
|
if (!match) continue;
|
|
const referencedInfo = modulesWithInfo[match.index];
|
|
if (referencedInfo.type === "reference") {
|
|
throw new Error("Module reference can't point to a reference");
|
|
}
|
|
const binding = getFinalBinding(
|
|
moduleGraph,
|
|
referencedInfo,
|
|
match.ids,
|
|
moduleToInfoMap,
|
|
runtime,
|
|
requestShortener,
|
|
runtimeTemplate,
|
|
neededNamespaceObjects,
|
|
false,
|
|
match.deferredImport,
|
|
/** @type {BuildMeta} */
|
|
(info.module.buildMeta).strictHarmonyModule,
|
|
true
|
|
);
|
|
if (!binding.ids) continue;
|
|
const { usedNames, alreadyCheckedScopes } =
|
|
getUsedNamesInScopeInfo(
|
|
usedNamesInScopeInfo,
|
|
binding.info.module.identifier(),
|
|
"name" in binding ? binding.name : ""
|
|
);
|
|
for (const expr of getSuperClassExpressions(reference.from)) {
|
|
if (
|
|
expr.range[0] <=
|
|
/** @type {Range} */ (reference.identifier.range)[0] &&
|
|
expr.range[1] >=
|
|
/** @type {Range} */ (reference.identifier.range)[1]
|
|
) {
|
|
for (const variable of expr.variables) {
|
|
usedNames.add(variable.name);
|
|
}
|
|
}
|
|
}
|
|
addScopeSymbols(
|
|
reference.from,
|
|
usedNames,
|
|
alreadyCheckedScopes,
|
|
ignoredScopes
|
|
);
|
|
} else {
|
|
allUsedNames.add(name);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {string} name the name to find a new name for
|
|
* @param {ConcatenatedModuleInfo} info the info of the module
|
|
* @param {Reference[]} references the references to the name
|
|
* @returns {string|undefined} the new name or undefined if the name is not found
|
|
*/
|
|
const _findNewName = (name, info, references) => {
|
|
const { usedNames, alreadyCheckedScopes } = getUsedNamesInScopeInfo(
|
|
usedNamesInScopeInfo,
|
|
info.module.identifier(),
|
|
name
|
|
);
|
|
if (allUsedNames.has(name) || usedNames.has(name)) {
|
|
for (const ref of references) {
|
|
addScopeSymbols(
|
|
ref.from,
|
|
usedNames,
|
|
alreadyCheckedScopes,
|
|
ignoredScopes
|
|
);
|
|
}
|
|
const newName = findNewName(
|
|
name,
|
|
allUsedNames,
|
|
usedNames,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(newName);
|
|
info.internalNames.set(name, newName);
|
|
topLevelDeclarations.add(newName);
|
|
return newName;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @param {string} name the name to find a new name for
|
|
* @param {ConcatenatedModuleInfo} info the info of the module
|
|
* @param {Reference[]} references the references to the name
|
|
* @returns {string|undefined} the new name or undefined if the name is not found
|
|
*/
|
|
const _findNewNameForSpecifier = (name, info, references) => {
|
|
const { usedNames: moduleUsedNames, alreadyCheckedScopes } =
|
|
getUsedNamesInScopeInfo(
|
|
usedNamesInScopeInfo,
|
|
info.module.identifier(),
|
|
name
|
|
);
|
|
const referencesUsedNames = new Set();
|
|
for (const ref of references) {
|
|
addScopeSymbols(
|
|
ref.from,
|
|
referencesUsedNames,
|
|
alreadyCheckedScopes,
|
|
ignoredScopes
|
|
);
|
|
}
|
|
if (moduleUsedNames.has(name) || referencesUsedNames.has(name)) {
|
|
const newName = findNewName(
|
|
name,
|
|
allUsedNames,
|
|
new Set([...moduleUsedNames, ...referencesUsedNames]),
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(newName);
|
|
topLevelDeclarations.add(newName);
|
|
return newName;
|
|
}
|
|
};
|
|
|
|
// generate names for symbols
|
|
for (const info of moduleToInfoMap.values()) {
|
|
const { usedNames: namespaceObjectUsedNames } = getUsedNamesInScopeInfo(
|
|
usedNamesInScopeInfo,
|
|
info.module.identifier(),
|
|
""
|
|
);
|
|
switch (info.type) {
|
|
case "concatenated": {
|
|
const variables = /** @type {Scope} */ (info.moduleScope).variables;
|
|
for (const variable of variables) {
|
|
const name = variable.name;
|
|
const references = getAllReferences(variable);
|
|
const newName = _findNewName(name, info, references);
|
|
if (newName) {
|
|
const source = /** @type {ReplaceSource} */ (info.source);
|
|
const allIdentifiers = new Set([
|
|
...references.map((r) => r.identifier),
|
|
...variable.identifiers
|
|
]);
|
|
for (const identifier of allIdentifiers) {
|
|
const r = /** @type {Range} */ (identifier.range);
|
|
const path = getPathInAst(
|
|
/** @type {NonNullable<ConcatenatedModuleInfo["ast"]>} */
|
|
(info.ast),
|
|
identifier
|
|
);
|
|
if (path && path.length > 1) {
|
|
const maybeProperty =
|
|
path[1].type === "AssignmentPattern" &&
|
|
path[1].left === path[0]
|
|
? path[2]
|
|
: path[1];
|
|
if (
|
|
maybeProperty.type === "Property" &&
|
|
maybeProperty.shorthand
|
|
) {
|
|
source.insert(r[1], `: ${newName}`);
|
|
continue;
|
|
}
|
|
}
|
|
source.replace(r[0], r[1] - 1, newName);
|
|
}
|
|
} else {
|
|
allUsedNames.add(name);
|
|
info.internalNames.set(name, name);
|
|
topLevelDeclarations.add(name);
|
|
}
|
|
}
|
|
let namespaceObjectName;
|
|
if (info.namespaceExportSymbol) {
|
|
namespaceObjectName = info.internalNames.get(
|
|
info.namespaceExportSymbol
|
|
);
|
|
} else {
|
|
namespaceObjectName = findNewName(
|
|
"namespaceObject",
|
|
allUsedNames,
|
|
namespaceObjectUsedNames,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(namespaceObjectName);
|
|
}
|
|
info.namespaceObjectName =
|
|
/** @type {string} */
|
|
(namespaceObjectName);
|
|
topLevelDeclarations.add(
|
|
/** @type {string} */
|
|
(namespaceObjectName)
|
|
);
|
|
break;
|
|
}
|
|
case "external": {
|
|
const externalName = findNewName(
|
|
"",
|
|
allUsedNames,
|
|
namespaceObjectUsedNames,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(externalName);
|
|
info.name = externalName;
|
|
topLevelDeclarations.add(externalName);
|
|
|
|
if (info.deferred) {
|
|
const externalName = findNewName(
|
|
"deferred",
|
|
allUsedNames,
|
|
namespaceObjectUsedNames,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(externalName);
|
|
info.deferredName = externalName;
|
|
topLevelDeclarations.add(externalName);
|
|
|
|
const externalNameInterop = findNewName(
|
|
"deferredNamespaceObject",
|
|
allUsedNames,
|
|
namespaceObjectUsedNames,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(externalNameInterop);
|
|
info.deferredNamespaceObjectName = externalNameInterop;
|
|
topLevelDeclarations.add(externalNameInterop);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
const buildMeta = /** @type {BuildMeta} */ (info.module.buildMeta);
|
|
if (buildMeta.exportsType !== "namespace") {
|
|
const externalNameInterop = findNewName(
|
|
"namespaceObject",
|
|
allUsedNames,
|
|
namespaceObjectUsedNames,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(externalNameInterop);
|
|
info.interopNamespaceObjectName = externalNameInterop;
|
|
topLevelDeclarations.add(externalNameInterop);
|
|
}
|
|
if (
|
|
buildMeta.exportsType === "default" &&
|
|
buildMeta.defaultObject !== "redirect" &&
|
|
info.interopNamespaceObject2Used
|
|
) {
|
|
const externalNameInterop = findNewName(
|
|
"namespaceObject2",
|
|
allUsedNames,
|
|
namespaceObjectUsedNames,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(externalNameInterop);
|
|
info.interopNamespaceObject2Name = externalNameInterop;
|
|
topLevelDeclarations.add(externalNameInterop);
|
|
}
|
|
if (buildMeta.exportsType === "dynamic" || !buildMeta.exportsType) {
|
|
const externalNameInterop = findNewName(
|
|
"default",
|
|
allUsedNames,
|
|
namespaceObjectUsedNames,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(externalNameInterop);
|
|
info.interopDefaultAccessName = externalNameInterop;
|
|
topLevelDeclarations.add(externalNameInterop);
|
|
}
|
|
}
|
|
|
|
// Find and replace references to modules
|
|
for (const info of moduleToInfoMap.values()) {
|
|
if (info.type === "concatenated") {
|
|
const globalScope = /** @type {Scope} */ (info.globalScope);
|
|
// group references by name
|
|
const referencesByName = new Map();
|
|
for (const reference of globalScope.through) {
|
|
const name = reference.identifier.name;
|
|
if (!referencesByName.has(name)) {
|
|
referencesByName.set(name, []);
|
|
}
|
|
referencesByName.get(name).push(reference);
|
|
}
|
|
for (const [name, references] of referencesByName) {
|
|
const match = ConcatenationScope.matchModuleReference(name);
|
|
if (match) {
|
|
const referencedInfo = modulesWithInfo[match.index];
|
|
if (referencedInfo.type === "reference") {
|
|
throw new Error("Module reference can't point to a reference");
|
|
}
|
|
const concatenationScope = /** @type {ConcatenatedModuleInfo} */ (
|
|
referencedInfo
|
|
).concatenationScope;
|
|
const exportId = match.ids[0];
|
|
const specifier =
|
|
concatenationScope && concatenationScope.getRawExport(exportId);
|
|
if (specifier) {
|
|
const newName = _findNewNameForSpecifier(
|
|
specifier,
|
|
info,
|
|
references
|
|
);
|
|
const initFragmentChanged =
|
|
newName &&
|
|
concatenatedModuleInfo.call(
|
|
{
|
|
rawExportMap: new Map([
|
|
[exportId, /** @type {string} */ (newName)]
|
|
])
|
|
},
|
|
/** @type {ConcatenatedModuleInfo} */ (referencedInfo)
|
|
);
|
|
if (initFragmentChanged) {
|
|
concatenationScope.setRawExportMap(exportId, newName);
|
|
}
|
|
}
|
|
const finalName = getFinalName(
|
|
moduleGraph,
|
|
referencedInfo,
|
|
match.ids,
|
|
moduleToInfoMap,
|
|
runtime,
|
|
requestShortener,
|
|
runtimeTemplate,
|
|
neededNamespaceObjects,
|
|
match.call,
|
|
match.deferredImport,
|
|
!match.directImport,
|
|
/** @type {BuildMeta} */
|
|
(info.module.buildMeta).strictHarmonyModule,
|
|
match.asiSafe
|
|
);
|
|
|
|
for (const reference of references) {
|
|
const r = /** @type {Range} */ (reference.identifier.range);
|
|
const source = /** @type {ReplaceSource} */ (info.source);
|
|
// range is extended by 2 chars to cover the appended "._"
|
|
source.replace(r[0], r[1] + 1, finalName);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Map with all root exposed used exports
|
|
/** @type {Map<string, (requestShortener: RequestShortener) => string>} */
|
|
const exportsMap = new Map();
|
|
|
|
// Set with all root exposed unused exports
|
|
/** @type {Set<string>} */
|
|
const unusedExports = new Set();
|
|
|
|
const rootInfo =
|
|
/** @type {ConcatenatedModuleInfo} */
|
|
(moduleToInfoMap.get(this.rootModule));
|
|
const strictHarmonyModule =
|
|
/** @type {BuildMeta} */
|
|
(rootInfo.module.buildMeta).strictHarmonyModule;
|
|
const exportsInfo = moduleGraph.getExportsInfo(rootInfo.module);
|
|
/** @type {Record<string, string>} */
|
|
const exportsFinalName = {};
|
|
for (const exportInfo of exportsInfo.orderedExports) {
|
|
const name = exportInfo.name;
|
|
if (exportInfo.provided === false) continue;
|
|
const used = exportInfo.getUsedName(undefined, runtime);
|
|
if (!used) {
|
|
unusedExports.add(name);
|
|
continue;
|
|
}
|
|
exportsMap.set(used, (requestShortener) => {
|
|
try {
|
|
const finalName = getFinalName(
|
|
moduleGraph,
|
|
rootInfo,
|
|
[name],
|
|
moduleToInfoMap,
|
|
runtime,
|
|
requestShortener,
|
|
runtimeTemplate,
|
|
neededNamespaceObjects,
|
|
false,
|
|
false,
|
|
false,
|
|
strictHarmonyModule,
|
|
true
|
|
);
|
|
exportsFinalName[used] = finalName;
|
|
return `/* ${
|
|
exportInfo.isReexport() ? "reexport" : "binding"
|
|
} */ ${finalName}`;
|
|
} catch (err) {
|
|
/** @type {Error} */
|
|
(err).message +=
|
|
`\nwhile generating the root export '${name}' (used name: '${used}')`;
|
|
throw err;
|
|
}
|
|
});
|
|
}
|
|
|
|
const result = new ConcatSource();
|
|
|
|
// add harmony compatibility flag (must be first because of possible circular dependencies)
|
|
let shouldAddHarmonyFlag = false;
|
|
const rootExportsInfo = moduleGraph.getExportsInfo(this);
|
|
if (
|
|
rootExportsInfo.otherExportsInfo.getUsed(runtime) !== UsageState.Unused ||
|
|
rootExportsInfo.getReadOnlyExportInfo("__esModule").getUsed(runtime) !==
|
|
UsageState.Unused
|
|
) {
|
|
shouldAddHarmonyFlag = true;
|
|
}
|
|
|
|
// define exports
|
|
if (exportsMap.size > 0) {
|
|
const definitions = [];
|
|
for (const [key, value] of exportsMap) {
|
|
definitions.push(
|
|
`\n ${propertyName(key)}: ${runtimeTemplate.returningFunction(
|
|
value(requestShortener)
|
|
)}`
|
|
);
|
|
}
|
|
|
|
const { onDemandExportsGeneration } =
|
|
ConcatenatedModule.getCompilationHooks(this.compilation);
|
|
|
|
runtimeRequirements.add(RuntimeGlobals.exports);
|
|
runtimeRequirements.add(RuntimeGlobals.definePropertyGetters);
|
|
|
|
if (shouldAddHarmonyFlag) {
|
|
result.add("// ESM COMPAT FLAG\n");
|
|
result.add(
|
|
runtimeTemplate.defineEsModuleFlagStatement({
|
|
exportsArgument: this.exportsArgument,
|
|
runtimeRequirements
|
|
})
|
|
);
|
|
}
|
|
|
|
if (onDemandExportsGeneration.call(this)) {
|
|
/** @type {BuildMeta} */ (this.buildMeta).factoryExportsBinding =
|
|
"\n// EXPORTS\n" +
|
|
`${RuntimeGlobals.definePropertyGetters}(${
|
|
this.exportsArgument
|
|
}, {${definitions.join(",")}\n});\n`;
|
|
/** @type {BuildMeta} */ (this.buildMeta).exportsFinalName =
|
|
exportsFinalName;
|
|
} else {
|
|
result.add("\n// EXPORTS\n");
|
|
result.add(
|
|
`${RuntimeGlobals.definePropertyGetters}(${
|
|
this.exportsArgument
|
|
}, {${definitions.join(",")}\n});\n`
|
|
);
|
|
}
|
|
}
|
|
|
|
// list unused exports
|
|
if (unusedExports.size > 0) {
|
|
result.add(
|
|
`\n// UNUSED EXPORTS: ${joinIterableWithComma(unusedExports)}\n`
|
|
);
|
|
}
|
|
|
|
// generate namespace objects
|
|
const namespaceObjectSources = new Map();
|
|
for (const info of neededNamespaceObjects) {
|
|
if (info.namespaceExportSymbol) continue;
|
|
const nsObj = [];
|
|
const exportsInfo = moduleGraph.getExportsInfo(info.module);
|
|
for (const exportInfo of exportsInfo.orderedExports) {
|
|
if (exportInfo.provided === false) continue;
|
|
const usedName = exportInfo.getUsedName(undefined, runtime);
|
|
if (usedName) {
|
|
const finalName = getFinalName(
|
|
moduleGraph,
|
|
info,
|
|
[exportInfo.name],
|
|
moduleToInfoMap,
|
|
runtime,
|
|
requestShortener,
|
|
runtimeTemplate,
|
|
neededNamespaceObjects,
|
|
false,
|
|
false,
|
|
undefined,
|
|
/** @type {BuildMeta} */
|
|
(info.module.buildMeta).strictHarmonyModule,
|
|
true
|
|
);
|
|
nsObj.push(
|
|
`\n ${propertyName(usedName)}: ${runtimeTemplate.returningFunction(
|
|
finalName
|
|
)}`
|
|
);
|
|
}
|
|
}
|
|
const name = info.namespaceObjectName;
|
|
const defineGetters =
|
|
nsObj.length > 0
|
|
? `${RuntimeGlobals.definePropertyGetters}(${name}, {${nsObj.join(
|
|
","
|
|
)}\n});\n`
|
|
: "";
|
|
if (nsObj.length > 0) {
|
|
runtimeRequirements.add(RuntimeGlobals.definePropertyGetters);
|
|
}
|
|
namespaceObjectSources.set(
|
|
info,
|
|
`
|
|
// NAMESPACE OBJECT: ${info.module.readableIdentifier(requestShortener)}
|
|
var ${name} = {};
|
|
${RuntimeGlobals.makeNamespaceObject}(${name});
|
|
${defineGetters}`
|
|
);
|
|
runtimeRequirements.add(RuntimeGlobals.makeNamespaceObject);
|
|
}
|
|
|
|
// define required namespace objects (must be before evaluation modules)
|
|
for (const info of modulesWithInfo) {
|
|
if (info.type === "concatenated") {
|
|
const source = namespaceObjectSources.get(info);
|
|
if (!source) continue;
|
|
result.add(source);
|
|
}
|
|
|
|
if (info.type === "external" && info.deferred) {
|
|
const moduleId = JSON.stringify(chunkGraph.getModuleId(info.module));
|
|
const loader = getOptimizedDeferredModule(
|
|
runtimeTemplate,
|
|
info.module.getExportsType(
|
|
moduleGraph,
|
|
/** @type {BuildMeta} */
|
|
(this.rootModule.buildMeta).strictHarmonyModule
|
|
),
|
|
moduleId,
|
|
// an async module will opt-out of the concat module optimization.
|
|
[]
|
|
);
|
|
runtimeRequirements.add(RuntimeGlobals.require);
|
|
result.add(
|
|
`\n// DEFERRED EXTERNAL MODULE: ${info.module.readableIdentifier(requestShortener)}\nvar ${info.deferredName} = ${loader};`
|
|
);
|
|
}
|
|
}
|
|
|
|
/** @type {InitFragment<ChunkRenderContext>[]} */
|
|
const chunkInitFragments = [];
|
|
const deferEnabled = this.compilation.options.experiments.deferImport;
|
|
|
|
// evaluate modules in order
|
|
for (const rawInfo of modulesWithInfo) {
|
|
let name;
|
|
let isConditional = false;
|
|
const info = rawInfo.type === "reference" ? rawInfo.target : rawInfo;
|
|
switch (info.type) {
|
|
case "concatenated": {
|
|
result.add(
|
|
`\n;// ${info.module.readableIdentifier(requestShortener)}\n`
|
|
);
|
|
// If a module is deferred in other places, but used as non-deferred here,
|
|
// the module itself will be emitted as mod_deferred (in the case "external"),
|
|
// we need to emit an extra import declaration to evaluate it in order.
|
|
if (deferEnabled) {
|
|
for (const dep of info.module.dependencies) {
|
|
if (
|
|
!(/** @type {HarmonyImportDependency} */ (dep).defer) &&
|
|
(dep instanceof HarmonyImportSideEffectDependency ||
|
|
dep instanceof HarmonyImportSpecifierDependency)
|
|
) {
|
|
const referredModule = moduleGraph.getModule(dep);
|
|
if (!referredModule) {
|
|
if (dep instanceof HarmonyImportSideEffectDependency) {
|
|
continue;
|
|
} else {
|
|
throw new Error(
|
|
"Deferred module used, but no module in the graph."
|
|
);
|
|
}
|
|
}
|
|
if (moduleGraph.isDeferred(referredModule)) {
|
|
const deferredModuleInfo = /** @type {ExternalModuleInfo} */ (
|
|
modulesWithInfo.find(
|
|
(i) =>
|
|
i.type === "external" && i.module === referredModule
|
|
)
|
|
);
|
|
if (!deferredModuleInfo) continue;
|
|
result.add(
|
|
`\n// non-deferred import to a deferred module (${referredModule.readableIdentifier(requestShortener)})\nvar ${deferredModuleInfo.name} = ${deferredModuleInfo.deferredName}.a;`
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
result.add(/** @type {ReplaceSource} */ (info.source));
|
|
if (info.chunkInitFragments) {
|
|
for (const f of info.chunkInitFragments) chunkInitFragments.push(f);
|
|
}
|
|
if (info.runtimeRequirements) {
|
|
for (const r of info.runtimeRequirements) {
|
|
runtimeRequirements.add(r);
|
|
}
|
|
}
|
|
name = info.namespaceObjectName;
|
|
break;
|
|
}
|
|
case "external": {
|
|
// deferred case is handled in the "const info of modulesWithInfo" loop above
|
|
if (!info.deferred) {
|
|
result.add(
|
|
`\n// EXTERNAL MODULE: ${info.module.readableIdentifier(
|
|
requestShortener
|
|
)}\n`
|
|
);
|
|
runtimeRequirements.add(RuntimeGlobals.require);
|
|
const { runtimeCondition } =
|
|
/** @type {ExternalModuleInfo | ReferenceToModuleInfo} */
|
|
(rawInfo);
|
|
const condition = runtimeTemplate.runtimeConditionExpression({
|
|
chunkGraph,
|
|
runtimeCondition,
|
|
runtime,
|
|
runtimeRequirements
|
|
});
|
|
if (condition !== "true") {
|
|
isConditional = true;
|
|
result.add(`if (${condition}) {\n`);
|
|
}
|
|
const moduleId = JSON.stringify(
|
|
chunkGraph.getModuleId(info.module)
|
|
);
|
|
result.add(`var ${info.name} = __webpack_require__(${moduleId});`);
|
|
name = info.name;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
// @ts-expect-error never is expected here
|
|
throw new Error(`Unsupported concatenation entry type ${info.type}`);
|
|
}
|
|
if (info.type === "external" && info.deferredNamespaceObjectUsed) {
|
|
runtimeRequirements.add(RuntimeGlobals.makeDeferredNamespaceObject);
|
|
result.add(
|
|
`\nvar ${info.deferredNamespaceObjectName} = /*#__PURE__*/${
|
|
RuntimeGlobals.makeDeferredNamespaceObject
|
|
}(${JSON.stringify(
|
|
chunkGraph.getModuleId(info.module)
|
|
)}, ${getMakeDeferredNamespaceModeFromExportsType(
|
|
info.module.getExportsType(moduleGraph, strictHarmonyModule)
|
|
)});`
|
|
);
|
|
}
|
|
if (info.interopNamespaceObjectUsed) {
|
|
runtimeRequirements.add(RuntimeGlobals.createFakeNamespaceObject);
|
|
result.add(
|
|
`\nvar ${info.interopNamespaceObjectName} = /*#__PURE__*/${RuntimeGlobals.createFakeNamespaceObject}(${name}, 2);`
|
|
);
|
|
}
|
|
if (info.interopNamespaceObject2Used) {
|
|
runtimeRequirements.add(RuntimeGlobals.createFakeNamespaceObject);
|
|
result.add(
|
|
`\nvar ${info.interopNamespaceObject2Name} = /*#__PURE__*/${RuntimeGlobals.createFakeNamespaceObject}(${name});`
|
|
);
|
|
}
|
|
if (info.interopDefaultAccessUsed) {
|
|
runtimeRequirements.add(RuntimeGlobals.compatGetDefaultExport);
|
|
result.add(
|
|
`\nvar ${info.interopDefaultAccessName} = /*#__PURE__*/${RuntimeGlobals.compatGetDefaultExport}(${name});`
|
|
);
|
|
}
|
|
if (isConditional) {
|
|
result.add("\n}");
|
|
}
|
|
}
|
|
|
|
const data = new Map();
|
|
if (chunkInitFragments.length > 0) {
|
|
data.set("chunkInitFragments", chunkInitFragments);
|
|
}
|
|
data.set("topLevelDeclarations", topLevelDeclarations);
|
|
|
|
/** @type {CodeGenerationResult} */
|
|
const resultEntry = {
|
|
sources: new Map([["javascript", new CachedSource(result)]]),
|
|
data,
|
|
runtimeRequirements
|
|
};
|
|
|
|
return resultEntry;
|
|
}
|
|
|
|
/**
|
|
* @param {ModuleToInfoMap} modulesMap modulesMap
|
|
* @param {ModuleInfo} info info
|
|
* @param {DependencyTemplates} dependencyTemplates dependencyTemplates
|
|
* @param {RuntimeTemplate} runtimeTemplate runtimeTemplate
|
|
* @param {ModuleGraph} moduleGraph moduleGraph
|
|
* @param {ChunkGraph} chunkGraph chunkGraph
|
|
* @param {RuntimeSpec} runtime runtime
|
|
* @param {CodeGenerationResults} codeGenerationResults codeGenerationResults
|
|
* @param {Set<string>} usedNames used names
|
|
*/
|
|
_analyseModule(
|
|
modulesMap,
|
|
info,
|
|
dependencyTemplates,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph,
|
|
runtime,
|
|
codeGenerationResults,
|
|
usedNames
|
|
) {
|
|
if (info.type === "concatenated") {
|
|
const m = info.module;
|
|
try {
|
|
// Create a concatenation scope to track and capture information
|
|
const concatenationScope = new ConcatenationScope(
|
|
modulesMap,
|
|
info,
|
|
usedNames
|
|
);
|
|
|
|
// TODO cache codeGeneration results
|
|
const codeGenResult = m.codeGeneration({
|
|
dependencyTemplates,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph,
|
|
runtime,
|
|
concatenationScope,
|
|
codeGenerationResults,
|
|
sourceTypes: JS_TYPES
|
|
});
|
|
const source =
|
|
/** @type {Source} */
|
|
(codeGenResult.sources.get("javascript"));
|
|
const data = codeGenResult.data;
|
|
const chunkInitFragments = data && data.get("chunkInitFragments");
|
|
const code = source.source().toString();
|
|
let ast;
|
|
try {
|
|
ast = JavascriptParser._parse(code, {
|
|
sourceType: "module"
|
|
});
|
|
} catch (_err) {
|
|
const err =
|
|
/** @type {Error & { loc?: { line: number, column: number } }} */
|
|
(_err);
|
|
if (
|
|
err.loc &&
|
|
typeof err.loc === "object" &&
|
|
typeof err.loc.line === "number"
|
|
) {
|
|
const lineNumber = err.loc.line;
|
|
const lines = code.split("\n");
|
|
err.message += `\n| ${lines
|
|
.slice(Math.max(0, lineNumber - 3), lineNumber + 2)
|
|
.join("\n| ")}`;
|
|
}
|
|
throw err;
|
|
}
|
|
const scopeManager = eslintScope.analyze(ast, {
|
|
ecmaVersion: 6,
|
|
sourceType: "module",
|
|
optimistic: true,
|
|
ignoreEval: true,
|
|
impliedStrict: true
|
|
});
|
|
const globalScope = /** @type {Scope} */ (scopeManager.acquire(ast));
|
|
const moduleScope = globalScope.childScopes[0];
|
|
const resultSource = new ReplaceSource(source);
|
|
info.runtimeRequirements =
|
|
/** @type {ReadOnlyRuntimeRequirements} */
|
|
(codeGenResult.runtimeRequirements);
|
|
info.ast = ast;
|
|
info.internalSource = source;
|
|
info.source = resultSource;
|
|
info.chunkInitFragments = chunkInitFragments;
|
|
info.globalScope = globalScope;
|
|
info.moduleScope = moduleScope;
|
|
info.concatenationScope = concatenationScope;
|
|
} catch (err) {
|
|
/** @type {Error} */
|
|
(err).message +=
|
|
`\nwhile analyzing module ${m.identifier()} for concatenation`;
|
|
throw err;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {ModuleGraph} moduleGraph the module graph
|
|
* @param {RuntimeSpec} runtime the runtime
|
|
* @returns {[ModuleInfoOrReference[], ModuleToInfoMap]} module info items
|
|
*/
|
|
_getModulesWithInfo(moduleGraph, runtime) {
|
|
const orderedConcatenationList = this._createConcatenationList(
|
|
this.rootModule,
|
|
this._modules,
|
|
runtime,
|
|
moduleGraph
|
|
);
|
|
/** @type {ModuleToInfoMap} */
|
|
const map = new Map();
|
|
const list = orderedConcatenationList.map((info, index) => {
|
|
let item = map.get(info.module);
|
|
if (item === undefined) {
|
|
switch (info.type) {
|
|
case "concatenated":
|
|
item = {
|
|
type: "concatenated",
|
|
module: info.module,
|
|
index,
|
|
ast: undefined,
|
|
internalSource: undefined,
|
|
runtimeRequirements: undefined,
|
|
source: undefined,
|
|
globalScope: undefined,
|
|
moduleScope: undefined,
|
|
internalNames: new Map(),
|
|
exportMap: undefined,
|
|
rawExportMap: undefined,
|
|
namespaceExportSymbol: undefined,
|
|
namespaceObjectName: undefined,
|
|
interopNamespaceObjectUsed: false,
|
|
interopNamespaceObjectName: undefined,
|
|
interopNamespaceObject2Used: false,
|
|
interopNamespaceObject2Name: undefined,
|
|
interopDefaultAccessUsed: false,
|
|
interopDefaultAccessName: undefined,
|
|
concatenationScope: undefined
|
|
};
|
|
break;
|
|
case "external":
|
|
item = {
|
|
type: "external",
|
|
module: info.module,
|
|
runtimeCondition: info.runtimeCondition,
|
|
index,
|
|
name: undefined,
|
|
deferredName: undefined,
|
|
interopNamespaceObjectUsed: false,
|
|
interopNamespaceObjectName: undefined,
|
|
interopNamespaceObject2Used: false,
|
|
interopNamespaceObject2Name: undefined,
|
|
interopDefaultAccessUsed: false,
|
|
interopDefaultAccessName: undefined,
|
|
deferred: moduleGraph.isDeferred(info.module),
|
|
deferredNamespaceObjectName: undefined,
|
|
deferredNamespaceObjectUsed: false
|
|
};
|
|
break;
|
|
default:
|
|
throw new Error(
|
|
`Unsupported concatenation entry type ${info.type}`
|
|
);
|
|
}
|
|
map.set(
|
|
/** @type {ModuleInfo} */ (item).module,
|
|
/** @type {ModuleInfo} */ (item)
|
|
);
|
|
return /** @type {ModuleInfo} */ (item);
|
|
}
|
|
/** @type {ReferenceToModuleInfo} */
|
|
const ref = {
|
|
type: "reference",
|
|
runtimeCondition: info.runtimeCondition,
|
|
target: item
|
|
};
|
|
return ref;
|
|
});
|
|
return [list, map];
|
|
}
|
|
|
|
/**
|
|
* @param {Hash} hash the hash used to track dependencies
|
|
* @param {UpdateHashContext} context context
|
|
* @returns {void}
|
|
*/
|
|
updateHash(hash, context) {
|
|
const { chunkGraph, runtime } = context;
|
|
for (const info of this._createConcatenationList(
|
|
this.rootModule,
|
|
this._modules,
|
|
intersectRuntime(runtime, this._runtime),
|
|
chunkGraph.moduleGraph
|
|
)) {
|
|
switch (info.type) {
|
|
case "concatenated":
|
|
info.module.updateHash(hash, context);
|
|
break;
|
|
case "external":
|
|
hash.update(`${chunkGraph.getModuleId(info.module)}`);
|
|
// TODO runtimeCondition
|
|
break;
|
|
}
|
|
}
|
|
super.updateHash(hash, context);
|
|
}
|
|
|
|
/**
|
|
* @param {ObjectDeserializerContext} context context
|
|
* @returns {ConcatenatedModule} ConcatenatedModule
|
|
*/
|
|
static deserialize(context) {
|
|
const obj = new ConcatenatedModule({
|
|
identifier: /** @type {EXPECTED_ANY} */ (undefined),
|
|
rootModule: /** @type {EXPECTED_ANY} */ (undefined),
|
|
modules: /** @type {EXPECTED_ANY} */ (undefined),
|
|
runtime: undefined,
|
|
compilation: /** @type {EXPECTED_ANY} */ (undefined)
|
|
});
|
|
obj.deserialize(context);
|
|
return obj;
|
|
}
|
|
}
|
|
|
|
makeSerializable(ConcatenatedModule, "webpack/lib/optimize/ConcatenatedModule");
|
|
|
|
module.exports = ConcatenatedModule;
|