feat(YouTube/Search): add SearchSubMenu node

src/parser/classes/SearchFilter.ts

@@ -0,0 +1,22 @@
+import { YTNode } from '../helpers.js';
+import type { RawNode } from '../index.js';
+import Text from './misc/Text.js';
+import NavigationEndpoint from './NavigationEndpoint.js';
+
+class SearchFilter extends YTNode {
+  static type = 'SearchFilter';
+
+  label: Text;
+  endpoint: NavigationEndpoint;
+  tooltip: string;
+
+  constructor(data: RawNode) {
+    super();
+
+    this.label = new Text(data.label);
+    this.endpoint = new NavigationEndpoint(data.endpoint);
+    this.tooltip = data.tooltip;
+  }
+}
+
+export default SearchFilter;

src/parser/classes/SearchFilterGroup.ts

@@ -0,0 +1,20 @@
+import { ObservedArray, YTNode } from '../helpers.js';
+import type { RawNode } from '../index.js';
+import { Parser, YTNodes } from '../index.js';
+import Text from './misc/Text.js';
+
+class SearchFilterGroup extends YTNode {
+  static type = 'SearchFilterGroup';
+
+  title: Text;
+  filters: ObservedArray<YTNodes.SearchFilter> | null;
+
+  constructor(data: RawNode) {
+    super();
+
+    this.title = new Text(data.title);
+    this.filters = Parser.parseArray(data.filters, YTNodes.SearchFilter);
+  }
+}
+
+export default SearchFilterGroup;

src/parser/classes/SearchSubMenu.ts

@@ -0,0 +1,21 @@
+import { ObservedArray, YTNode } from '../helpers.js';
+import type { RawNode } from '../index.js';
+import Parser, { YTNodes } from '../index.js';
+import Text from './misc/Text.js';
+
+class SearchSubMenu extends YTNode {
+  static type = 'SearchSubMenu';
+
+  title: Text;
+  groups: ObservedArray<YTNodes.SearchFilterGroup> | null;
+  button: YTNodes.ToggleButton | null;
+
+  constructor(data: RawNode) {
+    super();
+    this.title = new Text(data.title);
+    this.groups = Parser.parseArray(data.groups, YTNodes.SearchFilterGroup);
+    this.button = Parser.parseItem(data.button, YTNodes.ToggleButton);
+  }
+}
+
+export default SearchSubMenu;

src/parser/map.ts

@@ -524,8 +524,14 @@ import { default as RichShelf } from './classes/RichShelf.js';
 export { RichShelf };
 import { default as SearchBox } from './classes/SearchBox.js';
 export { SearchBox };
+import { default as SearchFilter } from './classes/SearchFilter.js';
+export { SearchFilter };
+import { default as SearchFilterGroup } from './classes/SearchFilterGroup.js';
+export { SearchFilterGroup };
 import { default as SearchRefinementCard } from './classes/SearchRefinementCard.js';
 export { SearchRefinementCard };
+import { default as SearchSubMenu } from './classes/SearchSubMenu.js';
+export { SearchSubMenu };
 import { default as SearchSuggestion } from './classes/SearchSuggestion.js';
 export { SearchSuggestion };
 import { default as SearchSuggestionsSection } from './classes/SearchSuggestionsSection.js';
@@ -930,7 +936,10 @@ const map: Record<string, YTNodeConstructor> = {
   RichSection,
   RichShelf,
   SearchBox,
+  SearchFilter,
+  SearchFilterGroup,
   SearchRefinementCard,
+  SearchSubMenu,
   SearchSuggestion,
   SearchSuggestionsSection,
   SecondarySearchContainer,

src/parser/parser.ts

@@ -489,7 +489,6 @@ export default class Parser {
     'RunAttestationCommand',
     'CompactPromotedVideo',
     'StatementBanner',
-    'SearchSubMenu',
     'GuideSigninPromo'
   ]);
 

src/parser/youtube/Search.ts

@@ -1,20 +1,22 @@
 import Feed from '../../core/Feed.js';
+import { InnertubeError } from '../../utils/Utils.js';
 import HorizontalCardList from '../classes/HorizontalCardList.js';
 import ItemSection from '../classes/ItemSection.js';
 import SearchRefinementCard from '../classes/SearchRefinementCard.js';
+import SearchSubMenu from '../classes/SearchSubMenu.js';
 import SectionList from '../classes/SectionList.js';
 import UniversalWatchCard from '../classes/UniversalWatchCard.js';
-import { InnertubeError } from '../../utils/Utils.js';
 
 import type Actions from '../../core/Actions.js';
+import type { ApiResponse } from '../../core/Actions.js';
 import type { ObservedArray, YTNode } from '../helpers.js';
 import type { ISearchResponse } from '../types/ParsedResponse.js';
-import type { ApiResponse } from '../../core/Actions.js';
 
 class Search extends Feed<ISearchResponse> {
   results?: ObservedArray<YTNode> | null;
   refinements: string[];
   estimated_results: number;
+  sub_menu?: SearchSubMenu;
   watch_card?: UniversalWatchCard;
   refinement_cards?: HorizontalCardList | null;
 
@@ -33,8 +35,9 @@ class Search extends Feed<ISearchResponse> {
     this.refinements = this.page.refinements || [];
     this.estimated_results = this.page.estimated_results;
 
+    this.sub_menu = this.page.contents_memo?.getType(SearchSubMenu).first();
     this.watch_card = this.page.contents_memo?.getType(UniversalWatchCard).first();
-    this.refinement_cards = this.results?.get({ type: 'HorizontalCardList' }, true)?.as(HorizontalCardList);
+    this.refinement_cards = this.results?.firstOfType(HorizontalCardList);
   }
 
   /**