jackwener--opencli/clis/reddit/subreddit.js

import { cli, Strategy } from '@jackwener/opencli/registry';
cli({
    site: 'reddit',
    name: 'subreddit',
    access: 'read',
    description: 'Get posts from a specific Subreddit',
    domain: 'reddit.com',
    strategy: Strategy.COOKIE,
    browser: true,
    args: [
        { name: 'name', type: 'string', required: true, positional: true, help: 'Subreddit name (no `r/` prefix; e.g. `python`)' },
        {
            name: 'sort',
            type: 'string',
            default: 'hot',
            help: 'Sorting method: hot, new, top, rising, controversial',
        },
        {
            name: 'time',
            type: 'string',
            default: 'all',
            help: 'Time filter for top/controversial: hour, day, week, month, year, all',
        },
        { name: 'limit', type: 'int', default: 15 },
    ],
    columns: ['id', 'title', 'subreddit', 'author', 'upvotes', 'comments', 'url', 'created_utc', 'selftext', 'post_hint', 'url_overridden_by_dest', 'preview_image_url', 'gallery_urls'],
    pipeline: [
        { evaluate: `(async () => {
  function decodeHtml(s) {
    if (typeof s !== 'string' || !s) return '';
    return s
      .replace(/&/g, '&')
      .replace(/&lt;/g, '<')
      .replace(/&gt;/g, '>')
      .replace(/&quot;/g, '"')
      .replace(/&#x27;/gi, "'")
      .replace(/&#39;/g, "'");
  }
  function extractRedditMedia(d) {
    const post_hint = d?.post_hint || '';
    const url_overridden_by_dest = d?.url_overridden_by_dest || '';
    const preview_image_url = decodeHtml(d?.preview?.images?.[0]?.source?.url || '');
    const gallery_urls = [];
    const items = d?.gallery_data?.items;
    const meta = d?.media_metadata;
    if (Array.isArray(items) && meta) {
      for (const it of items) {
        const m = it && meta[it.media_id];
        const u = m?.s?.u;
        if (u) gallery_urls.push(decodeHtml(u));
      }
    }
    return { post_hint, url_overridden_by_dest, preview_image_url, gallery_urls };
  }
  let sub = \${{ args.name | json }};
  if (sub.startsWith('r/')) sub = sub.slice(2);
  const sort = \${{ args.sort | json }};
  const time = \${{ args.time | json }};
  const limit = \${{ args.limit }};
  let url = '/r/' + sub + '/' + sort + '.json?limit=' + limit + '&raw_json=1';
  if ((sort === 'top' || sort === 'controversial') && time) {
    url += '&t=' + time;
  }
  const res = await fetch(url, { credentials: 'include' });
  const j = await res.json();
  return (j?.data?.children || []).map(c => ({
    id: c.data.id,
    title: c.data.title,
    subreddit: c.data.subreddit_name_prefixed,
    author: c.data.author,
    upvotes: c.data.score,
    comments: c.data.num_comments,
    url: 'https://www.reddit.com' + c.data.permalink,
    created_utc: c.data.created_utc,
    selftext: c.data.selftext || '',
    ...extractRedditMedia(c.data),
  }));
})()
` },
        { map: {
                id: '${{ item.id }}',
                title: '${{ item.title }}',
                subreddit: '${{ item.subreddit }}',
                author: '${{ item.author }}',
                upvotes: '${{ item.upvotes }}',
                comments: '${{ item.comments }}',
                url: '${{ item.url }}',
                created_utc: '${{ item.created_utc }}',
                selftext: '${{ item.selftext }}',
                post_hint: '${{ item.post_hint }}',
                url_overridden_by_dest: '${{ item.url_overridden_by_dest }}',
                preview_image_url: '${{ item.preview_image_url }}',
                gallery_urls: '${{ item.gallery_urls }}',
            } },
        { limit: '${{ args.limit }}' },
    ],
});