Method getOrderedChunkCssModules

lib/css/CssModulesPlugin.js:843–909

* Gets ordered chunk css modules. * @param {Chunk} chunk chunk * @param {ChunkGraph} chunkGraph chunk graph * @param {Compilation} compilation compilation * @returns {CssModule[]} ordered css modules

(chunk, chunkGraph, compilation)

	 * @returns {CssModule[]} ordered css modules
	 */
	getOrderedChunkCssModules(chunk, chunkGraph, compilation) {
		/** @type {string | undefined} */
		let charset;

		const hooks = CssModulesPlugin.getCompilationHooks(compilation);

		/**
		 * @param {Iterable<Module> | undefined} iter modules pre-sorted by full module name
		 * @returns {Module[]} ordered modules
		 */
		const orderModules = (iter) => {
			const modules = iter ? [...iter] : [];
			const result = hooks.orderModules.call(chunk, modules, compilation);
			if (result !== undefined) return result;
			return this.getModulesInOrder(chunk, modules, compilation);
		};

		return /** @type {CssModule[]} */ ([
			...orderModules(
				chunkGraph.getOrderedChunkModulesIterableBySourceType(
					chunk,
					CSS_IMPORT_TYPE,
					compareModulesByFullName(compilation.compiler)
				)
			),
			...orderModules(
				chunkGraph.getOrderedChunkModulesIterableBySourceType(
					chunk,
					CSS_TYPE,
					compareModulesByFullName(compilation.compiler)
				)
			).map((module) => {
				if (
					typeof (
						/** @type {CssModuleBuildInfo} */ (module.buildInfo).charset
					) !== "undefined"
				) {
					if (
						typeof charset !== "undefined" &&
						charset !==
							/** @type {CssModuleBuildInfo} */ (module.buildInfo).charset
					) {
						const err = new WebpackError(
							`Conflicting @charset at-rules detected: the module ${module.readableIdentifier(
								compilation.requestShortener
							)} (in chunk ${chunk.name || chunk.id}) specifies "${
								/** @type {CssModuleBuildInfo} */ (module.buildInfo).charset
							}", but "${charset}" was expected, all modules must use the same character set`
						);

						err.chunk = chunk;
						err.module = module;
						err.hideStack = true;

						compilation.warnings.push(err);
					}

					if (typeof charset === "undefined") {