@ckeditor/ckeditor5-dev-utils/dist/ck-lightningcss-loader.js

Utils for CKEditor 5 development tools packages.

import { transform } from "lightningcss";
import { Buffer } from "node:buffer";
//#region src/loaders/ck-lightningcss-loader.ts
/**
* @license Copyright (c) 2003-2026, CKSource Holding sp. z o.o. All rights reserved.
* For licensing, see LICENSE.md.
*/
/**
* Transforms editor styles using Lightning CSS.
*/
function ckLightningCssLoader(source, map) {
	try {
		const lightningCssOptions = (this.getOptions ? this.getOptions() : this.query || {}).lightningCssOptions || {};
		let inputSourceMap;
		if (typeof map === "string") inputSourceMap = map;
		else if (map) inputSourceMap = JSON.stringify(map);
		const result = transform({
			...lightningCssOptions,
			filename: this.resourcePath,
			code: Buffer.from(source),
			inputSourceMap
		});
		const sourceMap = result.map ? JSON.parse(Buffer.from(result.map).toString()) : void 0;
		this.callback(null, Buffer.from(result.code).toString(), sourceMap);
	} catch (error) {
		this.callback(error instanceof Error ? error : new Error(String(error)));
	}
}
//#endregion
export { ckLightningCssLoader as default };