479 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			479 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
/*
 | 
						|
	MIT License http://www.opensource.org/licenses/mit-license.php
 | 
						|
	Author Tobias Koppers @sokra
 | 
						|
*/
 | 
						|
 | 
						|
"use strict";
 | 
						|
 | 
						|
const Dependency = require("../Dependency");
 | 
						|
const Template = require("../Template");
 | 
						|
const {
 | 
						|
	getDependencyUsedByExportsCondition
 | 
						|
} = require("../optimize/InnerGraph");
 | 
						|
const { getTrimmedIdsAndRange } = require("../util/chainedImports");
 | 
						|
const makeSerializable = require("../util/makeSerializable");
 | 
						|
const propertyAccess = require("../util/propertyAccess");
 | 
						|
const HarmonyImportDependency = require("./HarmonyImportDependency");
 | 
						|
 | 
						|
/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
 | 
						|
/** @typedef {import("../ChunkGraph")} ChunkGraph */
 | 
						|
/** @typedef {import("../Dependency").ExportsSpec} ExportsSpec */
 | 
						|
/** @typedef {import("../Dependency").GetConditionFn} GetConditionFn */
 | 
						|
/** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */
 | 
						|
/** @typedef {import("../Dependency").UpdateHashContext} UpdateHashContext */
 | 
						|
/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
 | 
						|
/** @typedef {import("../Module")} Module */
 | 
						|
/** @typedef {import("../Module").BuildMeta} BuildMeta */
 | 
						|
/** @typedef {import("../ModuleGraph")} ModuleGraph */
 | 
						|
/** @typedef {import("../ModuleGraphConnection")} ModuleGraphConnection */
 | 
						|
/** @typedef {import("../ModuleGraphConnection").ConnectionState} ConnectionState */
 | 
						|
/** @typedef {import("../WebpackError")} WebpackError */
 | 
						|
/** @typedef {import("../javascript/JavascriptParser").DestructuringAssignmentProperty} DestructuringAssignmentProperty */
 | 
						|
/** @typedef {import("../javascript/JavascriptParser").ImportAttributes} ImportAttributes */
 | 
						|
/** @typedef {import("../javascript/JavascriptParser").Range} Range */
 | 
						|
/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
 | 
						|
/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
 | 
						|
/** @typedef {import("../util/Hash")} Hash */
 | 
						|
/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
 | 
						|
/** @typedef {import("./HarmonyImportDependency").ExportPresenceMode} ExportPresenceMode */
 | 
						|
 | 
						|
const idsSymbol = Symbol("HarmonyImportSpecifierDependency.ids");
 | 
						|
 | 
						|
const { ExportPresenceModes } = HarmonyImportDependency;
 | 
						|
 | 
						|
class HarmonyImportSpecifierDependency extends HarmonyImportDependency {
 | 
						|
	/**
 | 
						|
	 * @param {string} request request
 | 
						|
	 * @param {number} sourceOrder source order
 | 
						|
	 * @param {string[]} ids ids
 | 
						|
	 * @param {string} name name
 | 
						|
	 * @param {Range} range range
 | 
						|
	 * @param {ExportPresenceMode} exportPresenceMode export presence mode
 | 
						|
	 * @param {ImportAttributes | undefined} attributes import attributes
 | 
						|
	 * @param {Range[] | undefined} idRanges ranges for members of ids; the two arrays are right-aligned
 | 
						|
	 * @param {boolean=} defer is defer phase
 | 
						|
	 */
 | 
						|
	constructor(
 | 
						|
		request,
 | 
						|
		sourceOrder,
 | 
						|
		ids,
 | 
						|
		name,
 | 
						|
		range,
 | 
						|
		exportPresenceMode,
 | 
						|
		attributes,
 | 
						|
		idRanges, // TODO webpack 6 make this non-optional. It must always be set to properly trim ids.
 | 
						|
		defer
 | 
						|
	) {
 | 
						|
		super(request, sourceOrder, attributes, defer);
 | 
						|
		this.ids = ids;
 | 
						|
		this.name = name;
 | 
						|
		this.range = range;
 | 
						|
		this.idRanges = idRanges;
 | 
						|
		this.exportPresenceMode = exportPresenceMode;
 | 
						|
		this.namespaceObjectAsContext = false;
 | 
						|
		this.call = undefined;
 | 
						|
		this.directImport = undefined;
 | 
						|
		this.shorthand = undefined;
 | 
						|
		this.asiSafe = undefined;
 | 
						|
		/** @type {Set<string> | boolean | undefined} */
 | 
						|
		this.usedByExports = undefined;
 | 
						|
		/** @type {Set<DestructuringAssignmentProperty> | undefined} */
 | 
						|
		this.referencedPropertiesInDestructuring = undefined;
 | 
						|
	}
 | 
						|
 | 
						|
	// TODO webpack 6 remove
 | 
						|
	get id() {
 | 
						|
		throw new Error("id was renamed to ids and type changed to string[]");
 | 
						|
	}
 | 
						|
 | 
						|
	// TODO webpack 6 remove
 | 
						|
	getId() {
 | 
						|
		throw new Error("id was renamed to ids and type changed to string[]");
 | 
						|
	}
 | 
						|
 | 
						|
	// TODO webpack 6 remove
 | 
						|
	setId() {
 | 
						|
		throw new Error("id was renamed to ids and type changed to string[]");
 | 
						|
	}
 | 
						|
 | 
						|
	get type() {
 | 
						|
		return "harmony import specifier";
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * @param {ModuleGraph} moduleGraph the module graph
 | 
						|
	 * @returns {string[]} the imported ids
 | 
						|
	 */
 | 
						|
	getIds(moduleGraph) {
 | 
						|
		const meta = moduleGraph.getMetaIfExisting(this);
 | 
						|
		if (meta === undefined) return this.ids;
 | 
						|
		const ids = meta[idsSymbol];
 | 
						|
		return ids !== undefined ? ids : this.ids;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * @param {ModuleGraph} moduleGraph the module graph
 | 
						|
	 * @param {string[]} ids the imported ids
 | 
						|
	 * @returns {void}
 | 
						|
	 */
 | 
						|
	setIds(moduleGraph, ids) {
 | 
						|
		moduleGraph.getMeta(this)[idsSymbol] = ids;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * @param {ModuleGraph} moduleGraph module graph
 | 
						|
	 * @returns {null | false | GetConditionFn} function to determine if the connection is active
 | 
						|
	 */
 | 
						|
	getCondition(moduleGraph) {
 | 
						|
		return getDependencyUsedByExportsCondition(
 | 
						|
			this,
 | 
						|
			this.usedByExports,
 | 
						|
			moduleGraph
 | 
						|
		);
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * @param {ModuleGraph} moduleGraph the module graph
 | 
						|
	 * @returns {ConnectionState} how this dependency connects the module to referencing modules
 | 
						|
	 */
 | 
						|
	getModuleEvaluationSideEffectsState(moduleGraph) {
 | 
						|
		return false;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Returns list of exports referenced by this dependency
 | 
						|
	 * @param {ModuleGraph} moduleGraph module graph
 | 
						|
	 * @param {RuntimeSpec} runtime the runtime for which the module is analysed
 | 
						|
	 * @returns {(string[] | ReferencedExport)[]} referenced exports
 | 
						|
	 */
 | 
						|
	getReferencedExports(moduleGraph, runtime) {
 | 
						|
		let ids = this.getIds(moduleGraph);
 | 
						|
		if (ids.length === 0) return this._getReferencedExportsInDestructuring();
 | 
						|
		let namespaceObjectAsContext = this.namespaceObjectAsContext;
 | 
						|
		if (ids[0] === "default") {
 | 
						|
			const selfModule =
 | 
						|
				/** @type {Module} */
 | 
						|
				(moduleGraph.getParentModule(this));
 | 
						|
			const importedModule =
 | 
						|
				/** @type {Module} */
 | 
						|
				(moduleGraph.getModule(this));
 | 
						|
			switch (
 | 
						|
				importedModule.getExportsType(
 | 
						|
					moduleGraph,
 | 
						|
					/** @type {BuildMeta} */
 | 
						|
					(selfModule.buildMeta).strictHarmonyModule
 | 
						|
				)
 | 
						|
			) {
 | 
						|
				case "default-only":
 | 
						|
				case "default-with-named":
 | 
						|
					if (ids.length === 1) {
 | 
						|
						return this._getReferencedExportsInDestructuring();
 | 
						|
					}
 | 
						|
					ids = ids.slice(1);
 | 
						|
					namespaceObjectAsContext = true;
 | 
						|
					break;
 | 
						|
				case "dynamic":
 | 
						|
					return Dependency.EXPORTS_OBJECT_REFERENCED;
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		if (
 | 
						|
			this.call &&
 | 
						|
			!this.directImport &&
 | 
						|
			(namespaceObjectAsContext || ids.length > 1)
 | 
						|
		) {
 | 
						|
			if (ids.length === 1) return Dependency.EXPORTS_OBJECT_REFERENCED;
 | 
						|
			ids = ids.slice(0, -1);
 | 
						|
		}
 | 
						|
 | 
						|
		return this._getReferencedExportsInDestructuring(ids);
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * @param {string[]=} ids ids
 | 
						|
	 * @returns {string[][]} referenced exports
 | 
						|
	 */
 | 
						|
	_getReferencedExportsInDestructuring(ids) {
 | 
						|
		if (this.referencedPropertiesInDestructuring) {
 | 
						|
			/** @type {string[][]} */
 | 
						|
			const refs = [];
 | 
						|
			for (const { id } of this.referencedPropertiesInDestructuring) {
 | 
						|
				refs.push(ids ? [...ids, id] : [id]);
 | 
						|
			}
 | 
						|
			return refs;
 | 
						|
		}
 | 
						|
		return ids ? [ids] : Dependency.EXPORTS_OBJECT_REFERENCED;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * @param {ModuleGraph} moduleGraph module graph
 | 
						|
	 * @returns {ExportPresenceMode} effective mode
 | 
						|
	 */
 | 
						|
	_getEffectiveExportPresenceLevel(moduleGraph) {
 | 
						|
		if (this.exportPresenceMode !== ExportPresenceModes.AUTO) {
 | 
						|
			return this.exportPresenceMode;
 | 
						|
		}
 | 
						|
		const buildMeta =
 | 
						|
			/** @type {BuildMeta} */
 | 
						|
			(
 | 
						|
				/** @type {Module} */
 | 
						|
				(moduleGraph.getParentModule(this)).buildMeta
 | 
						|
			);
 | 
						|
		return buildMeta.strictHarmonyModule
 | 
						|
			? ExportPresenceModes.ERROR
 | 
						|
			: ExportPresenceModes.WARN;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Returns warnings
 | 
						|
	 * @param {ModuleGraph} moduleGraph module graph
 | 
						|
	 * @returns {WebpackError[] | null | undefined} warnings
 | 
						|
	 */
 | 
						|
	getWarnings(moduleGraph) {
 | 
						|
		const exportsPresence = this._getEffectiveExportPresenceLevel(moduleGraph);
 | 
						|
		if (exportsPresence === ExportPresenceModes.WARN) {
 | 
						|
			return this._getErrors(moduleGraph);
 | 
						|
		}
 | 
						|
		return null;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * Returns errors
 | 
						|
	 * @param {ModuleGraph} moduleGraph module graph
 | 
						|
	 * @returns {WebpackError[] | null | undefined} errors
 | 
						|
	 */
 | 
						|
	getErrors(moduleGraph) {
 | 
						|
		const exportsPresence = this._getEffectiveExportPresenceLevel(moduleGraph);
 | 
						|
		if (exportsPresence === ExportPresenceModes.ERROR) {
 | 
						|
			return this._getErrors(moduleGraph);
 | 
						|
		}
 | 
						|
		return null;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * @param {ModuleGraph} moduleGraph module graph
 | 
						|
	 * @returns {WebpackError[] | undefined} errors
 | 
						|
	 */
 | 
						|
	_getErrors(moduleGraph) {
 | 
						|
		const ids = this.getIds(moduleGraph);
 | 
						|
		return this.getLinkingErrors(
 | 
						|
			moduleGraph,
 | 
						|
			ids,
 | 
						|
			`(imported as '${this.name}')`
 | 
						|
		);
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * implement this method to allow the occurrence order plugin to count correctly
 | 
						|
	 * @returns {number} count how often the id is used in this dependency
 | 
						|
	 */
 | 
						|
	getNumberOfIdOccurrences() {
 | 
						|
		return 0;
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * @param {ObjectSerializerContext} context context
 | 
						|
	 */
 | 
						|
	serialize(context) {
 | 
						|
		const { write } = context;
 | 
						|
		write(this.ids);
 | 
						|
		write(this.name);
 | 
						|
		write(this.range);
 | 
						|
		write(this.idRanges);
 | 
						|
		write(this.exportPresenceMode);
 | 
						|
		write(this.namespaceObjectAsContext);
 | 
						|
		write(this.call);
 | 
						|
		write(this.directImport);
 | 
						|
		write(this.shorthand);
 | 
						|
		write(this.asiSafe);
 | 
						|
		write(this.usedByExports);
 | 
						|
		write(this.referencedPropertiesInDestructuring);
 | 
						|
		super.serialize(context);
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * @param {ObjectDeserializerContext} context context
 | 
						|
	 */
 | 
						|
	deserialize(context) {
 | 
						|
		const { read } = context;
 | 
						|
		this.ids = read();
 | 
						|
		this.name = read();
 | 
						|
		this.range = read();
 | 
						|
		this.idRanges = read();
 | 
						|
		this.exportPresenceMode = read();
 | 
						|
		this.namespaceObjectAsContext = read();
 | 
						|
		this.call = read();
 | 
						|
		this.directImport = read();
 | 
						|
		this.shorthand = read();
 | 
						|
		this.asiSafe = read();
 | 
						|
		this.usedByExports = read();
 | 
						|
		this.referencedPropertiesInDestructuring = read();
 | 
						|
		super.deserialize(context);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
makeSerializable(
 | 
						|
	HarmonyImportSpecifierDependency,
 | 
						|
	"webpack/lib/dependencies/HarmonyImportSpecifierDependency"
 | 
						|
);
 | 
						|
 | 
						|
HarmonyImportSpecifierDependency.Template = class HarmonyImportSpecifierDependencyTemplate extends (
 | 
						|
	HarmonyImportDependency.Template
 | 
						|
) {
 | 
						|
	/**
 | 
						|
	 * @param {Dependency} dependency the dependency for which the template should be applied
 | 
						|
	 * @param {ReplaceSource} source the current replace source which can be modified
 | 
						|
	 * @param {DependencyTemplateContext} templateContext the context object
 | 
						|
	 * @returns {void}
 | 
						|
	 */
 | 
						|
	apply(dependency, source, templateContext) {
 | 
						|
		const dep = /** @type {HarmonyImportSpecifierDependency} */ (dependency);
 | 
						|
		const { moduleGraph, runtime } = templateContext;
 | 
						|
		const connection = moduleGraph.getConnection(dep);
 | 
						|
		// Skip rendering depending when dependency is conditional
 | 
						|
		if (connection && !connection.isTargetActive(runtime)) return;
 | 
						|
 | 
						|
		const ids = dep.getIds(moduleGraph);
 | 
						|
		const {
 | 
						|
			trimmedRange: [trimmedRangeStart, trimmedRangeEnd],
 | 
						|
			trimmedIds
 | 
						|
		} = getTrimmedIdsAndRange(ids, dep.range, dep.idRanges, moduleGraph, dep);
 | 
						|
 | 
						|
		const exportExpr = this._getCodeForIds(
 | 
						|
			dep,
 | 
						|
			source,
 | 
						|
			templateContext,
 | 
						|
			trimmedIds
 | 
						|
		);
 | 
						|
		if (dep.shorthand) {
 | 
						|
			source.insert(trimmedRangeEnd, `: ${exportExpr}`);
 | 
						|
		} else {
 | 
						|
			source.replace(trimmedRangeStart, trimmedRangeEnd - 1, exportExpr);
 | 
						|
		}
 | 
						|
 | 
						|
		if (dep.referencedPropertiesInDestructuring) {
 | 
						|
			let prefixedIds = ids;
 | 
						|
 | 
						|
			if (ids[0] === "default") {
 | 
						|
				const selfModule =
 | 
						|
					/** @type {Module} */
 | 
						|
					(moduleGraph.getParentModule(dep));
 | 
						|
				const importedModule =
 | 
						|
					/** @type {Module} */
 | 
						|
					(moduleGraph.getModule(dep));
 | 
						|
				const exportsType = importedModule.getExportsType(
 | 
						|
					moduleGraph,
 | 
						|
					/** @type {BuildMeta} */
 | 
						|
					(selfModule.buildMeta).strictHarmonyModule
 | 
						|
				);
 | 
						|
				if (
 | 
						|
					(exportsType === "default-only" ||
 | 
						|
						exportsType === "default-with-named") &&
 | 
						|
					ids.length >= 1
 | 
						|
				) {
 | 
						|
					prefixedIds = ids.slice(1);
 | 
						|
				}
 | 
						|
			}
 | 
						|
 | 
						|
			for (const {
 | 
						|
				id,
 | 
						|
				shorthand,
 | 
						|
				range
 | 
						|
			} of dep.referencedPropertiesInDestructuring) {
 | 
						|
				/** @type {string[]} */
 | 
						|
				const concatedIds = [...prefixedIds, id];
 | 
						|
				const module = /** @type {Module} */ (moduleGraph.getModule(dep));
 | 
						|
				const used = moduleGraph
 | 
						|
					.getExportsInfo(module)
 | 
						|
					.getUsedName(concatedIds, runtime);
 | 
						|
				if (!used) return;
 | 
						|
				const newName = used[used.length - 1];
 | 
						|
				const name = concatedIds[concatedIds.length - 1];
 | 
						|
				if (newName === name) continue;
 | 
						|
 | 
						|
				const comment = `${Template.toNormalComment(name)} `;
 | 
						|
				const key = comment + JSON.stringify(newName);
 | 
						|
				source.replace(
 | 
						|
					/** @type {Range} */
 | 
						|
					(range)[0],
 | 
						|
					/** @type {Range} */
 | 
						|
					(range)[1] - 1,
 | 
						|
					shorthand ? `${key}: ${name}` : `${key}`
 | 
						|
				);
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	/**
 | 
						|
	 * @param {HarmonyImportSpecifierDependency} dep dependency
 | 
						|
	 * @param {ReplaceSource} source source
 | 
						|
	 * @param {DependencyTemplateContext} templateContext context
 | 
						|
	 * @param {string[]} ids ids
 | 
						|
	 * @returns {string} generated code
 | 
						|
	 */
 | 
						|
	_getCodeForIds(dep, source, templateContext, ids) {
 | 
						|
		const { moduleGraph, module, runtime, concatenationScope } =
 | 
						|
			templateContext;
 | 
						|
		const connection = moduleGraph.getConnection(dep);
 | 
						|
		let exportExpr;
 | 
						|
		if (
 | 
						|
			connection &&
 | 
						|
			concatenationScope &&
 | 
						|
			concatenationScope.isModuleInScope(connection.module)
 | 
						|
		) {
 | 
						|
			if (ids.length === 0) {
 | 
						|
				exportExpr = concatenationScope.createModuleReference(
 | 
						|
					connection.module,
 | 
						|
					{
 | 
						|
						asiSafe: dep.asiSafe,
 | 
						|
						deferredImport: dep.defer
 | 
						|
					}
 | 
						|
				);
 | 
						|
			} else if (dep.namespaceObjectAsContext && ids.length === 1) {
 | 
						|
				exportExpr =
 | 
						|
					concatenationScope.createModuleReference(connection.module, {
 | 
						|
						asiSafe: dep.asiSafe,
 | 
						|
						deferredImport: dep.defer
 | 
						|
					}) + propertyAccess(ids);
 | 
						|
			} else {
 | 
						|
				exportExpr = concatenationScope.createModuleReference(
 | 
						|
					connection.module,
 | 
						|
					{
 | 
						|
						ids,
 | 
						|
						call: dep.call,
 | 
						|
						directImport: dep.directImport,
 | 
						|
						asiSafe: dep.asiSafe,
 | 
						|
						deferredImport: dep.defer
 | 
						|
					}
 | 
						|
				);
 | 
						|
			}
 | 
						|
		} else {
 | 
						|
			super.apply(dep, source, templateContext);
 | 
						|
 | 
						|
			const { runtimeTemplate, initFragments, runtimeRequirements } =
 | 
						|
				templateContext;
 | 
						|
 | 
						|
			exportExpr = runtimeTemplate.exportFromImport({
 | 
						|
				moduleGraph,
 | 
						|
				module: /** @type {Module} */ (moduleGraph.getModule(dep)),
 | 
						|
				chunkGraph: templateContext.chunkGraph,
 | 
						|
				request: dep.request,
 | 
						|
				exportName: ids,
 | 
						|
				originModule: module,
 | 
						|
				asiSafe: dep.shorthand ? true : dep.asiSafe,
 | 
						|
				isCall: dep.call,
 | 
						|
				callContext: !dep.directImport,
 | 
						|
				defaultInterop: true,
 | 
						|
				importVar: dep.getImportVar(moduleGraph),
 | 
						|
				initFragments,
 | 
						|
				runtime,
 | 
						|
				runtimeRequirements,
 | 
						|
				defer: dep.defer
 | 
						|
			});
 | 
						|
		}
 | 
						|
		return exportExpr;
 | 
						|
	}
 | 
						|
};
 | 
						|
 | 
						|
module.exports = HarmonyImportSpecifierDependency;
 |