refactor: migrate parsers to TS (#133)

* dev: finish top-level parsers TS migration

* dev: migrate menu renderers to TS

* chore: fix ts errors

* dev: finish ts migration 🎉

src/parser/classes/MusicDetailHeader.ts

@@ -0,0 +1,53 @@
+import Text from './misc/Text';
+import TextRun from './misc/TextRun';
+import Thumbnail from './misc/Thumbnail';
+import NavigationEndpoint from './NavigationEndpoint';
+import Parser from '../index';
+import { YTNode } from '../helpers';
+
+class MusicDetailHeader extends YTNode {
+  static type = 'MusicDetailHeader';
+
+  title: Text;
+  description: Text;
+  subtitle: Text;
+  second_subtitle: Text;
+  year: string;
+  song_count: string;
+  total_duration: string;
+  thumbnails: Thumbnail[];
+  badges;
+  author?: {
+    name: string;
+    channel_id: string;
+    endpoint: NavigationEndpoint | undefined;
+  };
+  menu;
+
+  constructor(data: any) {
+    super();
+    this.title = new Text(data.title);
+    this.description = new Text(data.description);
+    this.subtitle = new Text(data.subtitle);
+    this.second_subtitle = new Text(data.secondSubtitle);
+    this.year = this.subtitle.runs?.find((run) => (/^[12][0-9]{3}$/).test(run.text))?.text || '';
+    this.song_count = this.second_subtitle.runs?.[0]?.text || '';
+    this.total_duration = this.second_subtitle.runs?.[2]?.text || '';
+    this.thumbnails = Thumbnail.fromResponse(data.thumbnail.croppedSquareThumbnailRenderer.thumbnail);
+    this.badges = Parser.parse(data.subtitleBadges);
+
+    const author = this.subtitle.runs?.find((run) => (run as TextRun)?.endpoint?.browse?.id.startsWith('UC'));
+
+    if (author) {
+      this.author = {
+        name: (author as TextRun).text,
+        channel_id: (author as TextRun).endpoint?.browse?.id,
+        endpoint: (author as TextRun).endpoint
+      };
+    }
+
+    this.menu = Parser.parse(data.menu);
+  }
+}
+
+export default MusicDetailHeader;