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/VerticalWatchCardList.ts

@@ -0,0 +1,23 @@
+import Parser from '../index';
+import Text from './misc/Text';
+import NavigationEndpoint from './NavigationEndpoint';
+import { YTNode } from '../helpers';
+
+class VerticalWatchCardList extends YTNode {
+  static type = 'VerticalWatchCardList';
+
+  items;
+  contents;
+  view_all_text: Text;
+  view_all_endpoint: NavigationEndpoint;
+
+  constructor(data: any) {
+    super();
+    this.items = Parser.parse(data.items);
+    this.contents = this.items; // XXX: alias for consistency
+    this.view_all_text = new Text(data.viewAllText);
+    this.view_all_endpoint = new NavigationEndpoint(data.viewAllEndpoint);
+  }
+}
+
+export default VerticalWatchCardList;