466 lines
14 KiB
JavaScript
466 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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"use strict";
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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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/** @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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const idsSymbol = Symbol("HarmonyImportSpecifierDependency.ids");
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const { ExportPresenceModes } = HarmonyImportDependency;
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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 {TODO} 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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*/
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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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) {
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super(request, sourceOrder, attributes);
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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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// 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[/** @type {keyof object} */ (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 | 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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* @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 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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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 this._getReferencedExportsInDestructuring(ids);
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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.concat([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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* @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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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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* 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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* 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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* @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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/**
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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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* @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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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, 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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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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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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if (dep.referencedPropertiesInDestructuring) {
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let prefixedIds = ids;
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if (ids[0] === "default") {
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const selfModule = 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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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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const concatedIds = prefixedIds.concat([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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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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* @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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}
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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(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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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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return exportExpr;
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}
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};
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module.exports = HarmonyImportSpecifierDependency;
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