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