/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Florent Cailhol @ooflorent
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*/
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"use strict";
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const Dependency = require("../Dependency");
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const InitFragment = require("../InitFragment");
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const makeSerializable = require("../util/makeSerializable");
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const ModuleDependency = require("./ModuleDependency");
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/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
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/** @typedef {import("../Dependency").ReferencedExports} ReferencedExports */
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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("../ExportsInfo").ExportInfoName} ExportInfoName */
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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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/**
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* Returns the converted path.
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* @param {string[] | null} path the property path array
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* @returns {string} the converted path
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*/
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const pathToString = (path) =>
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path !== null && path.length > 0
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? path.map((part) => `[${JSON.stringify(part)}]`).join("")
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: "";
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class ProvidedDependency extends ModuleDependency {
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/**
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* Creates an instance of ProvidedDependency.
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* @param {string} request request
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* @param {string} identifier identifier
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* @param {ExportInfoName[]} ids ids
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* @param {Range} range range
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*/
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constructor(request, identifier, ids, range) {
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super(request);
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this.identifier = identifier;
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this.ids = ids;
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this.range = range;
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/** @type {undefined | string} */
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this._hashUpdate = undefined;
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}
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get type() {
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return "provided";
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}
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get category() {
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return "esm";
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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 {ReferencedExports} referenced exports
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*/
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getReferencedExports(moduleGraph, runtime) {
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const ids = this.ids;
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if (ids.length === 0) return Dependency.EXPORTS_OBJECT_REFERENCED;
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return [ids];
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}
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/**
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* Updates the hash with the data contributed by this instance.
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* @param {Hash} hash hash to be updated
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* @param {UpdateHashContext} context context
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* @returns {void}
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*/
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updateHash(hash, context) {
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if (this._hashUpdate === undefined) {
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this._hashUpdate = this.identifier + (this.ids ? this.ids.join(",") : "");
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}
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hash.update(this._hashUpdate);
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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.identifier);
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write(this.ids);
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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.identifier = read();
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this.ids = 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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ProvidedDependency,
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"webpack/lib/dependencies/ProvidedDependency"
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);
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class ProvidedDependencyTemplate extends ModuleDependency.Template {
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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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{
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runtime,
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runtimeTemplate,
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moduleGraph,
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chunkGraph,
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initFragments,
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runtimeRequirements
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}
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) {
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const dep = /** @type {ProvidedDependency} */ (dependency);
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const connection =
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/** @type {ModuleGraphConnection} */
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(moduleGraph.getConnection(dep));
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const exportsInfo = moduleGraph.getExportsInfo(connection.module);
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const usedName = exportsInfo.getUsedName(dep.ids, runtime);
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initFragments.push(
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new InitFragment(
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`/* provided dependency */ var ${
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dep.identifier
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} = ${runtimeTemplate.moduleExports({
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module: moduleGraph.getModule(dep),
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chunkGraph,
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request: dep.request,
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runtimeRequirements
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})}${pathToString(/** @type {string[] | null} */ (usedName))};\n`,
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InitFragment.STAGE_PROVIDES,
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1,
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`provided ${dep.identifier}`
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)
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);
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source.replace(dep.range[0], dep.range[1] - 1, dep.identifier);
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}
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}
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ProvidedDependency.Template = ProvidedDependencyTemplate;
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module.exports = ProvidedDependency;
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