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import { CleanCSS, Page, path, type Site } from './deps.ts';
interface Options {	/**	 * @default ['.css']	 */	extensions?: string[];	/**	 * @default	 * {	 *  level: 2,	 *  sourceMap: true,	 *  sourceMapInlineSources: true,	 * }	 */	options?: Omit<		CleanCSS.OptionsPromise,		'returnPromise' | 'rebase' | 'rebaseTo'	>;}
const cleanCssPlugin = (options: Options = {}) => {	const extensions = options.extensions ?? ['.css'];
	const cleaner = new CleanCSS({		level: 2,		sourceMap: true,		sourceMapInlineSources: true,		...options.options,		returnPromise: true,		rebase: false,	});
	return (site: Site) => {		site.loadAssets(extensions);		site.process(extensions, async (file) => {			let map = site.pages.find((page) => (				page.dest.path + page.dest.ext ===					file.dest.path + file.dest.ext + '.map'			));
			// Temporarily remove the sourceMap comment. We already have the			// sourceMap, and CleanCSS can't read the file anyways, so it's			// just annoying.			const css = (file.content as string).replace(				/\/\*#\s*sourceMappingURL=.+$/,				'',			);
			const output = await cleaner.minify(				css,				map ? map.content as string : undefined,			);
			for (const error of output.errors) {				site.logger.warn(error, {					name: 'CleanCSS (error)',				});			}
			for (const warn of output.warnings) {				site.logger.warn(warn, {					name: 'CleanCSS (warning)',				});			}
			if (output.sourceMap) {				if (!map) {					map = Page.create(file.dest.path + file.dest.ext + '.map', '');					site.pages.push(map);				}
				file.content = output.styles +					`\n/*# sourceMappingURL=${						path.basename(map.dest.path + map.dest.ext)					} */`;
				map.content = output.sourceMap.toString();			} else {				file.content = output.styles;			}		});	};};
export type cleanCssOptions = Options;export default cleanCssPlugin;