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Текущая директория: /opt/BitGoJS/node_modules/webpack/lib/dependencies

Просмотр файла: CssIcssExportDependency.js

/*
	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 convention =
			/** @type {CssGenerator} */
			(module.generator).convention;
		const names = this.getExportsConventionNames(this.name, 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,
				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 convention =
			/** @type {CssGenerator} */
			(module.generator).convention;
		const names = dep.getExportsConventionNames(dep.name, 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;

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