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331 lines
9.2 KiB
331 lines
9.2 KiB
/* |
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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 Dependency = require("../Dependency"); |
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const { |
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getDependencyUsedByExportsCondition |
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} = require("../optimize/InnerGraph"); |
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const makeSerializable = require("../util/makeSerializable"); |
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const propertyAccess = require("../util/propertyAccess"); |
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const HarmonyImportDependency = require("./HarmonyImportDependency"); |
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/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */ |
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/** @typedef {import("../ChunkGraph")} ChunkGraph */ |
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/** @typedef {import("../Dependency").ExportsSpec} ExportsSpec */ |
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/** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */ |
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/** @typedef {import("../Dependency").UpdateHashContext} UpdateHashContext */ |
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/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */ |
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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("../WebpackError")} WebpackError */ |
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/** @typedef {import("../util/Hash")} Hash */ |
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/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */ |
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const idsSymbol = Symbol("HarmonyImportSpecifierDependency.ids"); |
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const { ExportPresenceModes } = HarmonyImportDependency; |
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class HarmonyImportSpecifierDependency extends HarmonyImportDependency { |
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constructor( |
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request, |
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sourceOrder, |
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ids, |
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name, |
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range, |
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exportPresenceMode, |
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assertions |
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) { |
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super(request, sourceOrder, assertions); |
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this.ids = ids; |
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this.name = name; |
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this.range = range; |
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this.exportPresenceMode = exportPresenceMode; |
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this.namespaceObjectAsContext = false; |
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this.call = undefined; |
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this.directImport = undefined; |
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this.shorthand = undefined; |
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this.asiSafe = undefined; |
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/** @type {Set<string> | boolean} */ |
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this.usedByExports = undefined; |
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} |
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// TODO webpack 6 remove |
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get id() { |
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throw new Error("id was renamed to ids and type changed to string[]"); |
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} |
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// TODO webpack 6 remove |
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getId() { |
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throw new Error("id was renamed to ids and type changed to string[]"); |
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} |
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// TODO webpack 6 remove |
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setId() { |
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throw new Error("id was renamed to ids and type changed to string[]"); |
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} |
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get type() { |
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return "harmony import specifier"; |
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} |
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/** |
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* @param {ModuleGraph} moduleGraph the module graph |
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* @returns {string[]} the imported ids |
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*/ |
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getIds(moduleGraph) { |
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const meta = moduleGraph.getMetaIfExisting(this); |
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if (meta === undefined) return this.ids; |
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const ids = meta[idsSymbol]; |
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return ids !== undefined ? ids : this.ids; |
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} |
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/** |
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* @param {ModuleGraph} moduleGraph the module graph |
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* @param {string[]} ids the imported ids |
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* @returns {void} |
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*/ |
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setIds(moduleGraph, ids) { |
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moduleGraph.getMeta(this)[idsSymbol] = ids; |
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} |
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/** |
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* @param {ModuleGraph} moduleGraph module graph |
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* @returns {null | false | function(ModuleGraphConnection, RuntimeSpec): ConnectionState} function to determine if the connection is active |
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*/ |
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getCondition(moduleGraph) { |
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return getDependencyUsedByExportsCondition( |
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this, |
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this.usedByExports, |
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moduleGraph |
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); |
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} |
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/** |
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* @param {ModuleGraph} moduleGraph the module graph |
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* @returns {ConnectionState} how this dependency connects the module to referencing modules |
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*/ |
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getModuleEvaluationSideEffectsState(moduleGraph) { |
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return false; |
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} |
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/** |
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* Returns list of exports referenced by this dependency |
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* @param {ModuleGraph} moduleGraph module graph |
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* @param {RuntimeSpec} runtime the runtime for which the module is analysed |
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* @returns {(string[] | ReferencedExport)[]} referenced exports |
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*/ |
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getReferencedExports(moduleGraph, runtime) { |
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let ids = this.getIds(moduleGraph); |
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if (ids.length === 0) return Dependency.EXPORTS_OBJECT_REFERENCED; |
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let namespaceObjectAsContext = this.namespaceObjectAsContext; |
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if (ids[0] === "default") { |
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const selfModule = moduleGraph.getParentModule(this); |
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const importedModule = moduleGraph.getModule(this); |
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switch ( |
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importedModule.getExportsType( |
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moduleGraph, |
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selfModule.buildMeta.strictHarmonyModule |
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) |
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) { |
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case "default-only": |
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case "default-with-named": |
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if (ids.length === 1) return Dependency.EXPORTS_OBJECT_REFERENCED; |
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ids = ids.slice(1); |
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namespaceObjectAsContext = true; |
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break; |
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case "dynamic": |
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return Dependency.EXPORTS_OBJECT_REFERENCED; |
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} |
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} |
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if ( |
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this.call && |
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!this.directImport && |
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(namespaceObjectAsContext || ids.length > 1) |
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) { |
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if (ids.length === 1) return Dependency.EXPORTS_OBJECT_REFERENCED; |
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ids = ids.slice(0, -1); |
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} |
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return [ids]; |
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} |
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/** |
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* @param {ModuleGraph} moduleGraph module graph |
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* @returns {number} effective mode |
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*/ |
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_getEffectiveExportPresenceLevel(moduleGraph) { |
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if (this.exportPresenceMode !== ExportPresenceModes.AUTO) |
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return this.exportPresenceMode; |
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return moduleGraph.getParentModule(this).buildMeta.strictHarmonyModule |
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? ExportPresenceModes.ERROR |
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: ExportPresenceModes.WARN; |
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} |
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/** |
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* Returns warnings |
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* @param {ModuleGraph} moduleGraph module graph |
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* @returns {WebpackError[]} warnings |
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*/ |
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getWarnings(moduleGraph) { |
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const exportsPresence = this._getEffectiveExportPresenceLevel(moduleGraph); |
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if (exportsPresence === ExportPresenceModes.WARN) { |
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return this._getErrors(moduleGraph); |
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} |
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return null; |
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} |
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/** |
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* Returns errors |
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* @param {ModuleGraph} moduleGraph module graph |
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* @returns {WebpackError[]} errors |
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*/ |
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getErrors(moduleGraph) { |
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const exportsPresence = this._getEffectiveExportPresenceLevel(moduleGraph); |
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if (exportsPresence === ExportPresenceModes.ERROR) { |
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return this._getErrors(moduleGraph); |
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} |
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return null; |
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} |
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/** |
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* @param {ModuleGraph} moduleGraph module graph |
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* @returns {WebpackError[] | undefined} errors |
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*/ |
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_getErrors(moduleGraph) { |
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const ids = this.getIds(moduleGraph); |
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return this.getLinkingErrors( |
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moduleGraph, |
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ids, |
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`(imported as '${this.name}')` |
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); |
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} |
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/** |
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* implement this method to allow the occurrence order plugin to count correctly |
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* @returns {number} count how often the id is used in this dependency |
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*/ |
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getNumberOfIdOccurrences() { |
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return 0; |
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} |
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serialize(context) { |
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const { write } = context; |
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write(this.ids); |
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write(this.name); |
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write(this.range); |
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write(this.exportPresenceMode); |
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write(this.namespaceObjectAsContext); |
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write(this.call); |
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write(this.directImport); |
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write(this.shorthand); |
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write(this.asiSafe); |
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write(this.usedByExports); |
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super.serialize(context); |
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} |
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deserialize(context) { |
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const { read } = context; |
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this.ids = read(); |
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this.name = read(); |
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this.range = read(); |
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this.exportPresenceMode = read(); |
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this.namespaceObjectAsContext = read(); |
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this.call = read(); |
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this.directImport = read(); |
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this.shorthand = read(); |
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this.asiSafe = read(); |
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this.usedByExports = read(); |
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super.deserialize(context); |
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} |
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} |
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makeSerializable( |
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HarmonyImportSpecifierDependency, |
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"webpack/lib/dependencies/HarmonyImportSpecifierDependency" |
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); |
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HarmonyImportSpecifierDependency.Template = class HarmonyImportSpecifierDependencyTemplate extends ( |
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HarmonyImportDependency.Template |
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) { |
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/** |
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* @param {Dependency} dependency the dependency for which the template should be applied |
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* @param {ReplaceSource} source the current replace source which can be modified |
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* @param {DependencyTemplateContext} templateContext the context object |
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* @returns {void} |
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*/ |
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apply(dependency, source, templateContext) { |
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const dep = /** @type {HarmonyImportSpecifierDependency} */ (dependency); |
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const { moduleGraph, module, runtime, concatenationScope } = |
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templateContext; |
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const connection = moduleGraph.getConnection(dep); |
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// Skip rendering depending when dependency is conditional |
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if (connection && !connection.isTargetActive(runtime)) return; |
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const ids = dep.getIds(moduleGraph); |
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let exportExpr; |
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if ( |
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connection && |
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concatenationScope && |
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concatenationScope.isModuleInScope(connection.module) |
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) { |
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if (ids.length === 0) { |
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exportExpr = concatenationScope.createModuleReference( |
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connection.module, |
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{ |
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asiSafe: dep.asiSafe |
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} |
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); |
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} else if (dep.namespaceObjectAsContext && ids.length === 1) { |
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exportExpr = |
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concatenationScope.createModuleReference(connection.module, { |
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asiSafe: dep.asiSafe |
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}) + propertyAccess(ids); |
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} else { |
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exportExpr = concatenationScope.createModuleReference( |
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connection.module, |
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{ |
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ids, |
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call: dep.call, |
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directImport: dep.directImport, |
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asiSafe: dep.asiSafe |
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} |
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); |
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} |
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} else { |
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super.apply(dependency, source, templateContext); |
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const { runtimeTemplate, initFragments, runtimeRequirements } = |
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templateContext; |
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exportExpr = runtimeTemplate.exportFromImport({ |
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moduleGraph, |
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module: moduleGraph.getModule(dep), |
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request: dep.request, |
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exportName: ids, |
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originModule: module, |
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asiSafe: dep.shorthand ? true : dep.asiSafe, |
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isCall: dep.call, |
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callContext: !dep.directImport, |
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defaultInterop: true, |
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importVar: dep.getImportVar(moduleGraph), |
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initFragments, |
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runtime, |
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runtimeRequirements |
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}); |
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} |
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if (dep.shorthand) { |
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source.insert(dep.range[1], `: ${exportExpr}`); |
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} else { |
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source.replace(dep.range[0], dep.range[1] - 1, exportExpr); |
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} |
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} |
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}; |
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module.exports = HarmonyImportSpecifierDependency;
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