feat(ytkids): add getChannel() (#292)

src/parser/classes/ItemSection.ts

@@ -10,7 +10,8 @@ class ItemSection extends YTNode {
 
   header: CommentsHeader | ItemSectionHeader | ItemSectionTabbedHeader | null;
   contents;
-  target_id;
+  target_id?: string;
+  continuation?: string;
 
   constructor(data: any) {
     super();
@@ -20,6 +21,10 @@ class ItemSection extends YTNode {
     if (data.targetId || data.sectionIdentifier) {
       this.target_id = data?.target_id || data?.sectionIdentifier;
     }
+
+    if (data.continuations) {
+      this.continuation = data.continuations?.at(0)?.nextContinuationData?.continuation;
+    }
   }
 }
 

src/parser/index.ts

@@ -269,6 +269,8 @@ export default class Parser {
   }
 
   static parseLC(data: any) {
+    if (data.itemSectionContinuation)
+      return new ItemSectionContinuation(data.itemSectionContinuation);
     if (data.sectionListContinuation)
       return new SectionListContinuation(data.sectionListContinuation);
     if (data.liveChatContinuation)
@@ -387,7 +389,22 @@ export default class Parser {
 
 export type ParsedResponse = ReturnType<typeof Parser.parseResponse>;
 
-// Continuation nodes
+// Continuation
+
+export class ItemSectionContinuation extends YTNode {
+  static readonly type = 'itemSectionContinuation';
+
+  contents: ObservedArray<YTNode> | null;
+  continuation?: string;
+
+  constructor(data: any) {
+    super();
+    this.contents = Parser.parseArray(data.contents);
+    if (data.continuations) {
+      this.continuation = data.continuations?.at(0)?.nextContinuationData?.continuation;
+    }
+  }
+}
 
 export class AppendContinuationItemsAction extends YTNode {
   static readonly type = 'appendContinuationItemsAction';

src/parser/ytkids/Channel.ts

@@ -0,0 +1,34 @@
+import Feed from '../../core/Feed';
+import Actions from '../../core/Actions';
+import C4TabbedHeader from '../classes/C4TabbedHeader';
+import ItemSection from '../classes/ItemSection';
+import { ItemSectionContinuation } from '..';
+
+class Channel extends Feed {
+  header?: C4TabbedHeader;
+  contents?: ItemSection | ItemSectionContinuation;
+
+  constructor(actions: Actions, data: any, already_parsed = false) {
+    super(actions, data, already_parsed);
+    this.header = this.page.header?.item().as(C4TabbedHeader);
+    this.contents = this.memo.getType(ItemSection).first() || this.page.continuation_contents?.as(ItemSectionContinuation);
+  }
+
+  /**
+   * Retrieves next batch of videos.
+   */
+  async getContinuation(): Promise<Channel> {
+    const response = await this.actions.execute('/browse', {
+      continuation: this.contents?.continuation,
+      client: 'YTKIDS'
+    });
+
+    return new Channel(this.actions, response.data);
+  }
+
+  get has_continuation(): boolean {
+    return !!this.contents?.continuation;
+  }
+}
+
+export default Channel;