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import type Site from "../core/site.ts";import { getGitDate } from "../core/utils/date.ts";import { merge } from "../core/utils/object.ts";
import {  type FFFFlavoredFrontmatter,  type FFFTransformPreset,  postTypeDiscovery,  strict,  type StrictPresetOptions,  transform,} from "../deps/fff.ts";
export interface Options {  /** The list extensions this plugin applies to */  extensions: string[];  presets: FFFTransformPreset[];  strict: false | StrictPresetOptions;  date?: "created" | "updated" | "published";  getGitDate?: boolean;  postTypeDiscovery?: boolean;}
// Default optionsexport const defaults: Options = {  extensions: [".html"],  presets: [],  strict: false,};
export default function (userOptions?: Partial<Options>) {  const options = merge(defaults, userOptions);
  return (site: Site) => {    site.preprocess(options.extensions, (pages) =>      pages.forEach((page) => {        if (options.getGitDate && page.src.entry) {          page.data.created = getGitDate("created", page.src.entry.src);          page.data.updated = getGitDate("modified", page.src.entry.src);        }
        page.data = transform(page.data, [          ...options.presets,          ...(options.date ? [{ "date": options.date }] : []),          ...(options.strict === false ? [] : [strict(options.strict)]),        ]);
        if (options.postTypeDiscovery) {          page.data.type = postTypeDiscovery(page.data);        }      }));  };}
/** Extends Data interface */declare global {  namespace Lume {    // deno-lint-ignore no-empty-interface    export interface Data      extends Omit<FFFFlavoredFrontmatter, "lang" | "tags"> {}  }}