YouTube.js/lib/parser/contents/classes/MusicTwoRowItem.js

'use strict';

const Parser = require('..');
const Text = require('./Text');
const Thumbnail = require('./Thumbnail');
const NavigationEndpoint = require('./NavigationEndpoint');

class MusicTwoRowItem {
  type = 'MusicTwoRowItem';
  
  constructor(data) {
    this.title = new Text(data.title);
   
    this.endpoint = new NavigationEndpoint(data.navigationEndpoint);
    
    this.id = this.endpoint.browse?.id ||
      this.endpoint.watch.video_id;
    
    this.subtitle = new Text(data.subtitle);
    this.badges = Parser.parse(data.subtitleBadges);
    
    switch (this.endpoint.browse?.page_type) {
      case 'MUSIC_PAGE_TYPE_ARTIST':
        this.type = 'artist';
        this.subscribers = this.subtitle.toString();
        break;
      case 'MUSIC_PAGE_TYPE_PLAYLIST':
        this.type = 'playlist';
        this.item_count = parseInt(this.subtitle.runs
          .find((run) => run.text
            .match(/\d+ (songs|song)/))?.text
            .match(/\d+/g)) || null;
        break;
      case 'MUSIC_PAGE_TYPE_ALBUM':
        this.type = 'album';
   
        const artists = this.subtitle.runs.filter((run) => run.endpoint.browse?.id.startsWith('UC'));
          
        artists && (this.artists = artists.map((artist) => ({
          name: artist.text,
          channel_id: artist.endpoint.browse.id,
          endpoint: artist.endpoint
        })))
        
        this.year = this.subtitle.runs.slice(-1)[0].text;
        isNaN(this.year) && (delete this.year);
        break;
      default:
        this.subtitle.runs[0].text !== 'Song' &&
          (this.type = 'video') ||
          (this.type = 'song');
        
        if (this.type == 'video') {
          this.views = this.subtitle.runs
            .find((run) => run.text.match(/(.*?) views/)).text;
          
          const author = this.subtitle.runs.find((run) => run.endpoint.browse?.id.startsWith('UC'));
       
          author && (this.author = {
            name: author.text,
            channel_id: author.endpoint.browse.id,
            endpoint: author.endpoint
          });
        } else {
          const artists = this.subtitle.runs.filter((run) => run.endpoint.browse?.id.startsWith('UC'));
          
          artists && (this.artists = artists.map((artist) => ({
            name: artist.text,
            channel_id: artist.endpoint.browse.id,
            endpoint: artist.endpoint
          })));
        }
        break;
    }
  
    this.thumbnail = Thumbnail.fromResponse(data.thumbnailRenderer.musicThumbnailRenderer.thumbnail);
    this.thumbnail_overlay = Parser.parse(data.thumbnailOverlay);
    this.menu = Parser.parse(data.menu);
  }
}

module.exports = MusicTwoRowItem;