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import { getDenoConfig, merge, toUrl } from "../core/utils.ts";import * as esbuild from "../deps/esbuild.ts";import { extname, fromFileUrl } from "../deps/path.ts";
import type { Site } from "../core.ts";
export interface Options {  /** The list of extensions this plugin applies to */  extensions: string[];
  /** The options for esbuild */  options: esbuild.BuildOptions;}
const denoConfig = await getDenoConfig();const importMapURL = denoConfig?.config?.importMap  ? await toUrl(denoConfig.config.importMap)  : undefined;
// Default optionsconst defaults: Options = {  extensions: [".ts", ".js"],  options: {    plugins: [esbuild.denoPlugin({ importMapURL })],    bundle: true,    format: "esm",    minify: true,    keepNames: true,    platform: "browser",    target: "esnext",    incremental: true,    treeShaking: true,  },};
export default function (userOptions?: Partial<Options>) {  const options = merge(defaults, userOptions);
  return (site: Site) => {    site.loadAssets(options.extensions);
    const lumeLoaderPlugin = {      name: "lumeLoader",      // deno-lint-ignore no-explicit-any      setup(build: any) {        // deno-lint-ignore no-explicit-any        build.onLoad({ filter: /^file:/ }, async (args: any) => {          const content = await site.getContent(fromFileUrl(args.path));
          if (content) {            return {              contents: content,              loader: getLoader(args.path),            };          }        });      },    };    options.options.plugins?.unshift(lumeLoaderPlugin);
    site.addEventListener("beforeSave", () => esbuild.stop());
    site.process(options.extensions, async (page) => {      const name = `${page.src.path}${page.src.ext}`;      const filename = await toUrl(site.src(name), false);      site.logger.log("📦", name);
      const buildOptions: esbuild.BuildOptions = {        ...options.options,        write: false,        incremental: false,        watch: false,        metafile: false,        entryPoints: [filename.href],      };
      const { outputFiles, warnings, errors } = await esbuild.build(        buildOptions,      );
      if (errors.length) {        site.logger.warn("esbuild errors", { errors });      }
      if (warnings.length) {        site.logger.warn("esbuild warnings", { warnings });      }
      if (outputFiles?.length) {        page.content = outputFiles[0].text;        page.updateDest({ ext: ".js" });      }    });  };}
function getLoader(path: string) {  const ext = extname(path).replace(".", "").toLowerCase();
  switch (ext) {    case "mjs":      return "js";    case "mts":      return "ts";    default:      return ext;  }}