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app_vue/node_modules/webpack/lib/dependencies/CssIcssExportDependency.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Ivan Kopeykin @vankop
+*/
+
+"use strict";
+
+const { cssExportConvention } = require("../util/conventions");
+const makeSerializable = require("../util/makeSerializable");
+const NullDependency = require("./NullDependency");
+
+/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
+/** @typedef {import("../../declarations/WebpackOptions").CssGeneratorExportsConvention} CssGeneratorExportsConvention */
+/** @typedef {import("../CssModule")} CssModule */
+/** @typedef {import("../Dependency")} Dependency */
+/** @typedef {import("../Dependency").ExportsSpec} ExportsSpec */
+/** @typedef {import("../Dependency").UpdateHashContext} UpdateHashContext */
+/** @typedef {import("../DependencyTemplate").CssDependencyTemplateContext} DependencyTemplateContext */
+/** @typedef {import("../ModuleGraph")} ModuleGraph */
+/** @typedef {import("../css/CssGenerator")} CssGenerator */
+/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
+/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
+/** @typedef {import("../util/Hash")} Hash */
+
+class CssIcssExportDependency extends NullDependency {
+	/**
+	 * @param {string} name name
+	 * @param {string} value value
+	 */
+	constructor(name, value) {
+		super();
+		this.name = name;
+		this.value = value;
+		this._hashUpdate = undefined;
+	}
+
+	get type() {
+		return "css :export";
+	}
+
+	/**
+	 * @param {string} name export name
+	 * @param {CssGeneratorExportsConvention} convention convention of the export name
+	 * @returns {string[]} convention results
+	 */
+	getExportsConventionNames(name, convention) {
+		if (this._conventionNames) {
+			return this._conventionNames;
+		}
+		this._conventionNames = cssExportConvention(name, convention);
+		return this._conventionNames;
+	}
+
+	/**
+	 * Returns the exported names
+	 * @param {ModuleGraph} moduleGraph module graph
+	 * @returns {ExportsSpec | undefined} export names
+	 */
+	getExports(moduleGraph) {
+		const module = /** @type {CssModule} */ (moduleGraph.getParentModule(this));
+		const generator = /** @type {CssGenerator} */ (module.generator);
+		const names = this.getExportsConventionNames(
+			this.name,
+			/** @type {CssGeneratorExportsConvention} */
+			(generator.convention)
+		);
+		return {
+			exports: names.map(name => ({
+				name,
+				canMangle: true
+			})),
+			dependencies: undefined
+		};
+	}
+
+	/**
+	 * Update the hash
+	 * @param {Hash} hash hash to be updated
+	 * @param {UpdateHashContext} context context
+	 * @returns {void}
+	 */
+	updateHash(hash, { chunkGraph }) {
+		if (this._hashUpdate === undefined) {
+			const module =
+				/** @type {CssModule} */
+				(chunkGraph.moduleGraph.getParentModule(this));
+			const generator = /** @type {CssGenerator} */ (module.generator);
+			const names = this.getExportsConventionNames(
+				this.name,
+				/** @type {CssGeneratorExportsConvention} */
+				(generator.convention)
+			);
+			this._hashUpdate = JSON.stringify(names);
+		}
+		hash.update("exportsConvention");
+		hash.update(this._hashUpdate);
+	}
+
+	/**
+	 * @param {ObjectSerializerContext} context context
+	 */
+	serialize(context) {
+		const { write } = context;
+		write(this.name);
+		write(this.value);
+		super.serialize(context);
+	}
+
+	/**
+	 * @param {ObjectDeserializerContext} context context
+	 */
+	deserialize(context) {
+		const { read } = context;
+		this.name = read();
+		this.value = read();
+		super.deserialize(context);
+	}
+}
+
+CssIcssExportDependency.Template = class CssIcssExportDependencyTemplate extends (
+	NullDependency.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, { cssData, module: m, runtime, moduleGraph }) {
+		const dep = /** @type {CssIcssExportDependency} */ (dependency);
+		const module = /** @type {CssModule} */ (m);
+		const generator = /** @type {CssGenerator} */ (module.generator);
+		const names = dep.getExportsConventionNames(
+			dep.name,
+			/** @type {CssGeneratorExportsConvention} */
+			(generator.convention)
+		);
+		const usedNames =
+			/** @type {string[]} */
+			(
+				names
+					.map(name =>
+						moduleGraph.getExportInfo(module, name).getUsedName(name, runtime)
+					)
+					.filter(Boolean)
+			);
+
+		for (const used of usedNames.concat(names)) {
+			cssData.exports.set(used, dep.value);
+		}
+	}
+};
+
+makeSerializable(
+	CssIcssExportDependency,
+	"webpack/lib/dependencies/CssIcssExportDependency"
+);
+
+module.exports = CssIcssExportDependency;