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import { minify } from "../deps/minify_html.ts";import { merge } from "../core/utils/object.ts";
import type { Options as MinifyOptions } from "../deps/minify_html.ts";import type Site from "../core/site.ts";import type { Page } from "../core/file.ts";
export interface Options {  /** The list of extensions this plugin applies to. */  extensions?: Array<".html" | ".css" | ".js">;
  /** Default options for minify-html library */  options?: MinifyOptions;}
// Default optionsexport const defaults: Options = {  extensions: [".html"],  options: {    do_not_minify_doctype: true,    ensure_spec_compliant_unquoted_attribute_values: true,    keep_closing_tags: false,    keep_html_and_head_opening_tags: false,    keep_spaces_between_attributes: false,    keep_comments: false,    minify_js: true,    minify_css: true,    remove_bangs: false,    remove_processing_instructions: false,  },};
/** A plugin to minify HTML, CSS & JavaScript files */export default function (userOptions?: Options) {  const options = merge(defaults, userOptions);
  const { extensions } = options;
  // Validate supported file extensions  if (extensions.some((ext) => ![".html", ".css", ".js"].includes(ext))) {    throw new Error(      `Unsupported extensions configuration: ${        extensions.join(", ")      }. Only ".html", ".css" and ".js" are supported by minify-html plugin.`,    );  }
  return (site: Site) => {    site.process(options.extensions, (pages) => pages.forEach(minifyHtml));
    const encoder = new TextEncoder();    const decoder = new TextDecoder();
    function minifyHtml(page: Page) {      const content = page.content as string;
      page.content = decoder.decode(        minify(encoder.encode(content), options.options),      );    }  };}