320 lines
8.7 KiB
JavaScript
320 lines
8.7 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 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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class HarmonyImportSpecifierDependency extends HarmonyImportDependency {
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constructor(request, sourceOrder, ids, name, range, strictExportPresence) {
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super(request, sourceOrder);
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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.strictExportPresence = strictExportPresence;
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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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* 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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if (
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this.strictExportPresence ||
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moduleGraph.getParentModule(this).buildMeta.strictHarmonyModule
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) {
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return null;
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}
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return this._getErrors(moduleGraph);
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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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if (
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this.strictExportPresence ||
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moduleGraph.getParentModule(this).buildMeta.strictHarmonyModule
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) {
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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.strictExportPresence);
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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.strictExportPresence = 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 {
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moduleGraph,
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module,
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runtime,
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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 {
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runtimeTemplate,
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initFragments,
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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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