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/WatchCardRichHeader.ts

@@ -0,0 +1,26 @@
+import Author from './misc/Author';
+import NavigationEndpoint from './NavigationEndpoint';
+import Text from './misc/Text';
+import { YTNode } from '../helpers';
+
+class WatchCardRichHeader extends YTNode {
+  static type = 'WatchCardRichHeader';
+
+  title: Text;
+  title_endpoint: NavigationEndpoint;
+  subtitle: Text;
+  author: Author;
+  style: string;
+
+  constructor(data: any) {
+    super();
+    this.title = new Text(data.title);
+    this.title_endpoint = new NavigationEndpoint(data.titleNavigationEndpoint);
+    this.subtitle = new Text(data.subtitle);
+    this.author = new Author(data, data.titleBadge ? [ data.titleBadge ] : null, data.avatar);
+    this.author.name = this.title.toString();
+    this.style = data.style;
+  }
+}
+
+export default WatchCardRichHeader;