/*
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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 makeSerializable = require("../util/makeSerializable");
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const HarmonyExportInitFragment = require("./HarmonyExportInitFragment");
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const NullDependency = require("./NullDependency");
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/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
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/** @typedef {import("../Dependency")} Dependency */
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/** @typedef {import("../Dependency").ExportsSpec} ExportsSpec */
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/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
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/** @typedef {import("../ModuleGraph")} ModuleGraph */
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/** @typedef {import("../ModuleGraphConnection").ConnectionState} ConnectionState */
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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("./HarmonyExportInitFragment").UnusedExports} UnusedExports */
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/** @typedef {import("./HarmonyExportInitFragment").ExportMap} ExportMap */
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class HarmonyExportSpecifierDependency extends NullDependency {
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/**
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* Creates an instance of HarmonyExportSpecifierDependency.
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* @param {string} id the id
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* @param {string} name the name
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*/
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constructor(id, name) {
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super();
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this.id = id;
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this.name = name;
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}
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get type() {
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return "harmony export specifier";
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}
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/**
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* Returns the exported names
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* @param {ModuleGraph} moduleGraph module graph
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* @returns {ExportsSpec | undefined} export names
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*/
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getExports(moduleGraph) {
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return {
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exports: [this.name],
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priority: 1,
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terminalBinding: true,
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dependencies: undefined
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};
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}
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/**
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* Gets module evaluation side effects state.
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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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* Serializes this instance into the provided serializer context.
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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.id);
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write(this.name);
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super.serialize(context);
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}
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/**
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* Restores this instance from the provided deserializer context.
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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.id = read();
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this.name = 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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HarmonyExportSpecifierDependency,
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"webpack/lib/dependencies/HarmonyExportSpecifierDependency"
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);
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HarmonyExportSpecifierDependency.Template = class HarmonyExportSpecifierDependencyTemplate extends (
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NullDependency.Template
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) {
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/**
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* Applies the plugin by registering its hooks on the compiler.
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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(
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dependency,
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source,
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{ module, moduleGraph, initFragments, runtime, concatenationScope }
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) {
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const dep = /** @type {HarmonyExportSpecifierDependency} */ (dependency);
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if (concatenationScope) {
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concatenationScope.registerExport(dep.name, dep.id);
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return;
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}
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const used = moduleGraph
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.getExportsInfo(module)
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.getUsedName(dep.name, runtime);
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if (!used) {
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/** @type {UnusedExports} */
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const set = new Set();
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set.add(dep.name || "namespace");
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initFragments.push(
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new HarmonyExportInitFragment(module.exportsArgument, undefined, set)
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);
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return;
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}
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/** @type {ExportMap} */
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const map = new Map();
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map.set(used, `/* binding */ ${dep.id}`);
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initFragments.push(
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new HarmonyExportInitFragment(module.exportsArgument, map, undefined)
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);
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}
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};
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module.exports = HarmonyExportSpecifierDependency;
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