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import { compile, type CompileOptions } from "https://esm.sh/v113/@mdx-js/mdx@2.3.0";import type { ModuleLoader, ModuleLoaderEnv, ModuleLoaderOutput, Plugin } from "../server/types.ts";
export class MDXLoader implements ModuleLoader {  #options: CompileOptions;
  constructor(options?: CompileOptions) {    this.#options = options ?? {};  }
  test(path: string): boolean {    const exts = this.#options?.mdxExtensions ?? ["mdx"];    return exts.some((ext) => path.endsWith(`.${ext}`));  }
  async load(specifier: string, content: string, env: ModuleLoaderEnv): Promise<ModuleLoaderOutput> {    const ret = await compile(      { path: specifier, value: content },      {        jsxImportSource: this.#options.jsxImportSource ?? env.jsxConfig?.jsxImportSource,        ...this.#options,        providerImportSource: this.#options.providerImportSource          ? env.importMap?.imports[this.#options.providerImportSource] ?? this.#options.providerImportSource          : undefined,        development: env.isDev,      },    );    return {      code: ret.toString(),      lang: "js",    };  }}
export default function MdxPlugin(options?: CompileOptions): Plugin {  return {    name: "mdx",    setup(aleph) {      const exts = options?.mdxExtensions ?? ["mdx"];      aleph.loaders = [new MDXLoader(options), ...aleph.loaders ?? []];      aleph.router = { ...aleph.router, exts: [...exts, ...(aleph.router?.exts ?? [])] };    },  };}