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import type { FFFFlavoredFrontmatter } from '../types.ts'
/** * Supported Post Type * @beta * @see {@link https://ptd.spec.indieweb.org/#algorithm} * @see {@link https://indieweb.org/posts#Types_of_Posts} */export type PostType = 'article' | 'audio' | 'bookmark' | 'event' | 'like' | 'note' | 'photo' | 'reply' | 'repost' | 'rsvp' | 'video'
/** * Post Type Discovery * @beta * @param fm - FFF Flavored Frontmatter * @returns lower case post type * @see {@link https://ptd.spec.indieweb.org/#algorithm} * @see {@link https://indieweb.org/posts#Types_of_Posts} * @example * ```ts * import { postTypeDiscovery } from 'fff-flavored-frontmatter' * * const helloWorld = { *   title: 'Hello', *   summary: 'World!', * } * * const fooBar = { *   summary: 'foo', *   tags: ['bar'], * } * * // 'article' * console.log(postTypeDiscovery(helloWorld)) * // 'note' * console.log(postTypeDiscovery(fooBar)) * ``` */export const postTypeDiscovery = (fm: FFFFlavoredFrontmatter): PostType => {  // TODO: Checkin, Reply with RSVP  /** may be modified in the future */  if (fm.flags?.includes('event'))    return 'event'  else if (    fm.rsvp    && ['interested', 'maybe', 'no', 'yes'].includes(fm.rsvp.toLowerCase())  )    return 'rsvp'  else if (fm.repost_of)    return 'repost'  else if (fm.like_of)    return 'like'  else if (fm.bookmark_of)    return 'bookmark'  else if (fm.in_reply_to)    return 'reply'  else if (fm.video)    return 'video'  else if (fm.audio)    return 'audio'  else if (fm.title)    return 'article'  else if (fm.images)    return 'photo'  else return 'note'}