chore: clean up build steps

src/parser/classes/actions/AppendContinuationItemsAction.js

@@ -0,0 +1,13 @@
+import Parser from '../../index';
+
+import { YTNode } from '../../helpers';
+
+class AppendContinuationItemsAction extends YTNode {
+  static type = 'AppendContinuationItemsAction';
+  constructor(data) {
+    super();
+    this.items = Parser.parse(data.continuationItems);
+    this.target = data.target;
+  }
+}
+export default AppendContinuationItemsAction;

src/parser/classes/actions/OpenPopupAction.js

@@ -0,0 +1,13 @@
+import Parser from '../../index';
+
+import { YTNode } from '../../helpers';
+
+class OpenPopupAction extends YTNode {
+  static type = 'OpenPopupAction';
+  constructor(data) {
+    super();
+    this.popup = Parser.parse(data.popup);
+    this.popup_type = data.popupType;
+  }
+}
+export default OpenPopupAction;