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import { init, transform } from "../deps/lightningcss.ts";import { merge } from "../core/utils.ts";import { Page } from "../core/filesystem.ts";import { prepareAsset, saveAsset } from "./source_maps.ts";
import type { DeepPartial, Site } from "../core.ts";import type { TransformOptions } from "../deps/lightningcss.ts";
export interface Options {  /** The list of extensions this plugin applies to */  extensions: string[];
  /** Options passed to parcel_css */  options: Omit<TransformOptions, "filename" | "code">;}
// Default optionsexport const defaults: Options = {  extensions: [".css"],  options: {    minify: true,    drafts: {      nesting: true,      customMedia: true,    },    targets: {      android: version(98),      chrome: version(98),      edge: version(98),      firefox: version(97),      ios_saf: version(15),      safari: version(15),      opera: version(83),      samsung: version(16),    },  },};
// Init parcelCSSawait init();
/** A plugin to load all CSS files and process them using parcelCSS */export default function (userOptions?: DeepPartial<Options>) {  return (site: Site) => {    const options = merge(defaults, userOptions);
    site.loadAssets(options.extensions);    site.process(options.extensions, parcelCSS);
    function parcelCSS(file: Page) {      const { content, filename, sourceMap, enableSourceMap } = prepareAsset(        site,        file,      );
      // Process the code with parcelCSS      const code = new TextEncoder().encode(content);      const transformOptions: TransformOptions = {        filename,        code,        sourceMap: enableSourceMap,        inputSourceMap: JSON.stringify(sourceMap),        ...options.options,      };
      const result = transform(transformOptions);      const decoder = new TextDecoder();
      saveAsset(        site,        file,        decoder.decode(result.code),        enableSourceMap ? decoder.decode(result.map!) : undefined,      );    }  };}
/** * Convert a version number to a single 24-bit number */export function version(major: number, minor = 0, patch = 0): number {  return (major << 16) | (minor << 8) | patch;}