479 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			479 lines
		
	
	
		
			14 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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| 
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| "use strict";
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| 
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| const Dependency = require("../Dependency");
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| const Template = require("../Template");
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| const {
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| 	getDependencyUsedByExportsCondition
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| } = require("../optimize/InnerGraph");
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| const { getTrimmedIdsAndRange } = require("../util/chainedImports");
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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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| 
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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").GetConditionFn} GetConditionFn */
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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("../Module")} Module */
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| /** @typedef {import("../Module").BuildMeta} BuildMeta */
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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("../javascript/JavascriptParser").DestructuringAssignmentProperty} DestructuringAssignmentProperty */
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| /** @typedef {import("../javascript/JavascriptParser").ImportAttributes} ImportAttributes */
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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("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
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| /** @typedef {import("../util/Hash")} Hash */
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| /** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
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| /** @typedef {import("./HarmonyImportDependency").ExportPresenceMode} ExportPresenceMode */
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| 
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| const idsSymbol = Symbol("HarmonyImportSpecifierDependency.ids");
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| 
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| const { ExportPresenceModes } = HarmonyImportDependency;
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| 
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| class HarmonyImportSpecifierDependency extends HarmonyImportDependency {
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| 	/**
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| 	 * @param {string} request request
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| 	 * @param {number} sourceOrder source order
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| 	 * @param {string[]} ids ids
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| 	 * @param {string} name name
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| 	 * @param {Range} range range
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| 	 * @param {ExportPresenceMode} exportPresenceMode export presence mode
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| 	 * @param {ImportAttributes | undefined} attributes import attributes
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| 	 * @param {Range[] | undefined} idRanges ranges for members of ids; the two arrays are right-aligned
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| 	 * @param {boolean=} defer is defer phase
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| 	 */
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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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| 		attributes,
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| 		idRanges, // TODO webpack 6 make this non-optional. It must always be set to properly trim ids.
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| 		defer
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| 	) {
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| 		super(request, sourceOrder, attributes, defer);
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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.idRanges = idRanges;
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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 | undefined} */
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| 		this.usedByExports = undefined;
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| 		/** @type {Set<DestructuringAssignmentProperty> | undefined} */
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| 		this.referencedPropertiesInDestructuring = undefined;
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| 	}
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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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| 
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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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| 
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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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| 
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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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| 	/**
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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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| 	/**
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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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| 	/**
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| 	 * @param {ModuleGraph} moduleGraph module graph
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| 	 * @returns {null | false | GetConditionFn} 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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| 	/**
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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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| 	/**
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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 this._getReferencedExportsInDestructuring();
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| 		let namespaceObjectAsContext = this.namespaceObjectAsContext;
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| 		if (ids[0] === "default") {
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| 			const selfModule =
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| 				/** @type {Module} */
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| 				(moduleGraph.getParentModule(this));
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| 			const importedModule =
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| 				/** @type {Module} */
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| 				(moduleGraph.getModule(this));
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| 			switch (
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| 				importedModule.getExportsType(
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| 					moduleGraph,
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| 					/** @type {BuildMeta} */
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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) {
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| 						return this._getReferencedExportsInDestructuring();
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| 					}
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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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| 
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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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| 
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| 		return this._getReferencedExportsInDestructuring(ids);
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| 	}
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| 
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| 	/**
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| 	 * @param {string[]=} ids ids
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| 	 * @returns {string[][]} referenced exports
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| 	 */
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| 	_getReferencedExportsInDestructuring(ids) {
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| 		if (this.referencedPropertiesInDestructuring) {
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| 			/** @type {string[][]} */
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| 			const refs = [];
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| 			for (const { id } of this.referencedPropertiesInDestructuring) {
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| 				refs.push(ids ? [...ids, id] : [id]);
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| 			}
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| 			return refs;
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| 		}
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| 		return ids ? [ids] : Dependency.EXPORTS_OBJECT_REFERENCED;
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| 	}
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| 
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| 	/**
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| 	 * @param {ModuleGraph} moduleGraph module graph
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| 	 * @returns {ExportPresenceMode} 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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| 		}
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| 		const buildMeta =
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| 			/** @type {BuildMeta} */
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| 			(
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| 				/** @type {Module} */
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| 				(moduleGraph.getParentModule(this)).buildMeta
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| 			);
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| 		return 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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| 	/**
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| 	 * Returns warnings
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| 	 * @param {ModuleGraph} moduleGraph module graph
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| 	 * @returns {WebpackError[] | null | undefined} 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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| 	/**
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| 	 * Returns errors
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| 	 * @param {ModuleGraph} moduleGraph module graph
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| 	 * @returns {WebpackError[] | null | undefined} 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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| 	/**
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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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| 	/**
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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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| 
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| 	/**
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| 	 * @param {ObjectSerializerContext} context context
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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.idRanges);
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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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| 		write(this.referencedPropertiesInDestructuring);
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| 		super.serialize(context);
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| 	}
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| 
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| 	/**
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| 	 * @param {ObjectDeserializerContext} context 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.idRanges = 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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| 		this.referencedPropertiesInDestructuring = read();
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| 		super.deserialize(context);
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| 	}
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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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| 
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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, runtime } = 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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| 
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| 		const ids = dep.getIds(moduleGraph);
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| 		const {
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| 			trimmedRange: [trimmedRangeStart, trimmedRangeEnd],
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| 			trimmedIds
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| 		} = getTrimmedIdsAndRange(ids, dep.range, dep.idRanges, moduleGraph, dep);
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| 
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| 		const exportExpr = this._getCodeForIds(
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| 			dep,
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| 			source,
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| 			templateContext,
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| 			trimmedIds
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| 		);
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| 		if (dep.shorthand) {
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| 			source.insert(trimmedRangeEnd, `: ${exportExpr}`);
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| 		} else {
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| 			source.replace(trimmedRangeStart, trimmedRangeEnd - 1, exportExpr);
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| 		}
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| 
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| 		if (dep.referencedPropertiesInDestructuring) {
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| 			let prefixedIds = ids;
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| 
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| 			if (ids[0] === "default") {
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| 				const selfModule =
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| 					/** @type {Module} */
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| 					(moduleGraph.getParentModule(dep));
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| 				const importedModule =
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| 					/** @type {Module} */
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| 					(moduleGraph.getModule(dep));
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| 				const exportsType = importedModule.getExportsType(
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| 					moduleGraph,
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| 					/** @type {BuildMeta} */
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| 					(selfModule.buildMeta).strictHarmonyModule
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| 				);
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| 				if (
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| 					(exportsType === "default-only" ||
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| 						exportsType === "default-with-named") &&
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| 					ids.length >= 1
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| 				) {
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| 					prefixedIds = ids.slice(1);
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| 				}
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| 			}
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| 
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| 			for (const {
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| 				id,
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| 				shorthand,
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| 				range
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| 			} of dep.referencedPropertiesInDestructuring) {
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| 				/** @type {string[]} */
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| 				const concatedIds = [...prefixedIds, id];
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| 				const module = /** @type {Module} */ (moduleGraph.getModule(dep));
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| 				const used = moduleGraph
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| 					.getExportsInfo(module)
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| 					.getUsedName(concatedIds, runtime);
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| 				if (!used) return;
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| 				const newName = used[used.length - 1];
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| 				const name = concatedIds[concatedIds.length - 1];
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| 				if (newName === name) continue;
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| 
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| 				const comment = `${Template.toNormalComment(name)} `;
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| 				const key = comment + JSON.stringify(newName);
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| 				source.replace(
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| 					/** @type {Range} */
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| 					(range)[0],
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| 					/** @type {Range} */
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| 					(range)[1] - 1,
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| 					shorthand ? `${key}: ${name}` : `${key}`
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| 				);
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| 			}
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| 		}
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| 	}
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| 
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| 	/**
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| 	 * @param {HarmonyImportSpecifierDependency} dep dependency
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| 	 * @param {ReplaceSource} source source
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| 	 * @param {DependencyTemplateContext} templateContext context
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| 	 * @param {string[]} ids ids
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| 	 * @returns {string} generated code
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| 	 */
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| 	_getCodeForIds(dep, source, templateContext, ids) {
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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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| 		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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| 						deferredImport: dep.defer
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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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| 						deferredImport: dep.defer
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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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| 						deferredImport: dep.defer
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| 					}
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| 				);
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| 			}
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| 		} else {
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| 			super.apply(dep, 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: /** @type {Module} */ (moduleGraph.getModule(dep)),
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| 				chunkGraph: templateContext.chunkGraph,
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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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| 				defer: dep.defer
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| 			});
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| 		}
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| 		return exportExpr;
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| 	}
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| };
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| 
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| module.exports = HarmonyImportSpecifierDependency;
 |