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import { merge } from "../core/utils/object.ts";import { matchExtension } from "../core/utils/path.ts";import createSlugifier, {  defaults as slugifierDefaults,} from "../core/slugifier.ts";
import type Site from "../core/site.ts";import type { Page } from "../core/file.ts";import type { Extensions } from "../core/utils/path.ts";import type { Options as SlugifierOptions } from "../core/slugifier.ts";
export interface Options extends SlugifierOptions {  /** The list of extensions this plugin applies to */  extensions?: Extensions;}
// Default optionsexport const defaults: Options = {  extensions: [".html"],  ...slugifierDefaults,};
/** A plugin to slugify all URLs, replacing non-URL-safe characters */export default function (userOptions?: Options) {  const options = merge(defaults, userOptions);  const slugify = createSlugifier(options);
  return (site: Site) => {    site.filter("slugify", slugify);    site.preprocess(options.extensions, (pages) => pages.forEach(slugifyUrls));
    // Slugify the static files    site.addEventListener("beforeRender", () => {      site.files        .filter((file) => matchExtension(options.extensions, file.outputPath))        .forEach((file) => file.outputPath = slugify(file.outputPath));    });  };
  function slugifyUrls(page: Page) {    if (typeof page.data.url === "string") {      page.data.url = slugify(page.data.url);    }  }}
/** Extends Helpers interface */declare global {  namespace Lume {    export interface Helpers {      /** @see https://lume.land/plugins/slugify_urls/ */      slugify: (string: string) => string;    }  }}