refactor(Parser)!: general refactoring of parsers (#344)

* refactor: move common info into MediaInfo

* refactor: better inference on Memo

* refactor: improved typesafety in parser methods

* refactor: remove PlaylistAuthor in favor of Author

* refactor: cleanup live chat parsers

- Replace non standard author type with Author class
- Remove redundant code

* fix: new errors due to changes

* fix: pass actions to FormatUtils#toDash

* refactor!: merge NavigatableText and Text into single class

src/parser/classes/TwoColumnWatchNextResults.ts

@@ -1,10 +1,10 @@
 import Parser from '../index.js';
 import { YTNode } from '../helpers.js';
 import Text from './misc/Text.js';
-import PlaylistAuthor from './misc/PlaylistAuthor.js';
+import Author from './misc/Author.js';
 import NavigationEndpoint from './NavigationEndpoint.js';
 
-import type Menu from './menus/Menu.js';
+import Menu from './menus/Menu.js';
 
 type AutoplaySet = {
   autoplay_video: NavigationEndpoint,
@@ -20,7 +20,7 @@ class TwoColumnWatchNextResults extends YTNode {
   playlist?: {
     id: string,
     title: string,
-    author: Text | PlaylistAuthor,
+    author: Text | Author,
     contents: YTNode[],
     current_index: number,
     is_infinite: boolean,
@@ -45,11 +45,11 @@ class TwoColumnWatchNextResults extends YTNode {
         title: playlistData.title,
         author: playlistData.shortBylineText?.simpleText ?
           new Text(playlistData.shortBylineText) :
-          new PlaylistAuthor(playlistData.longBylineText),
+          new Author(playlistData.longBylineText),
         contents: Parser.parseArray(playlistData.contents),
         current_index: playlistData.currentIndex,
         is_infinite: !!playlistData.isInfinite,
-        menu: Parser.parseItem<Menu>(playlistData.menu)
+        menu: Parser.parseItem(playlistData.menu, Menu)
       };
     }