From 9529d6c48601f46ccfecafb471e1f3506470468c Mon Sep 17 00:00:00 2001
From: absidue <48293849+absidue@users.noreply.github.com>
Date: Sat, 28 Jan 2023 19:41:17 +0100
Subject: [PATCH 1/2] Allow checking whether a channel has optional tabs

---
 src/core/TabbedFeed.ts        |  4 ++++
 src/parser/youtube/Channel.ts | 16 ++++++++++++++++
 test/constants.ts             |  4 ++++
 test/main.test.ts             |  8 ++++++++
 4 files changed, 32 insertions(+)

diff --git a/src/core/TabbedFeed.ts b/src/core/TabbedFeed.ts
index 80a59fff2..78cf62940 100644
--- a/src/core/TabbedFeed.ts
+++ b/src/core/TabbedFeed.ts
@@ -47,6 +47,10 @@ class TabbedFeed extends Feed {
     return new TabbedFeed(this.#actions, response.data, false);
   }
 
+  hasTabWithURL(url: string): boolean {
+    return this.#tabs.some((tab) => tab.endpoint.metadata.url?.split('/').pop() === url);
+  }
+
   get title(): string | undefined {
     return this.page.contents_memo.getType(Tab)?.find((tab) => tab.selected)?.title.toString();
   }
diff --git a/src/parser/youtube/Channel.ts b/src/parser/youtube/Channel.ts
index 7d1b3ab5a..16516e63e 100644
--- a/src/parser/youtube/Channel.ts
+++ b/src/parser/youtube/Channel.ts
@@ -196,6 +196,22 @@ export default class Channel extends TabbedFeed {
     return new Channel(this.actions, page, true);
   }
 
+  get has_videos(): boolean {
+    return this.hasTabWithURL('videos');
+  }
+
+  get has_shorts(): boolean {
+    return this.hasTabWithURL('shorts');
+  }
+
+  get has_live_streams(): boolean {
+    return this.hasTabWithURL('streams');
+  }
+
+  get has_community(): boolean {
+    return this.hasTabWithURL('community');
+  }
+
   /**
    * Retrives list continuation.
    */
diff --git a/test/constants.ts b/test/constants.ts
index 4e138b622..c7706265a 100644
--- a/test/constants.ts
+++ b/test/constants.ts
@@ -37,5 +37,9 @@ export const CHANNELS = [
   {
     ID: 'UCpbpfcZfo-hoDAx2m1blFhg',
     NAME: 'Learning Blocks'
+  },
+  {
+    ID: 'UCt-oJR5teQIjOAxCmIQvcgA',
+    NAME: "They're Just Movies"
   }
 ];
\ No newline at end of file
diff --git a/test/main.test.ts b/test/main.test.ts
index bc1d41e58..f347bbcab 100644
--- a/test/main.test.ts
+++ b/test/main.test.ts
@@ -163,6 +163,14 @@ describe('YouTube.js Tests', () => {
       expect(filtered_list.videos.length).toBeGreaterThan(0);
     });
 
+    it('should detect missing channel tabs', async () => {
+      const channel = await yt.getChannel(CHANNELS[2].ID);
+      expect(channel.has_videos).toBe(true);
+      expect(channel.has_shorts).toBe(false);
+      expect(channel.has_live_streams).toBe(false);
+      expect(channel.has_community).toBe(true);
+    })
+
     it('should retrieve home feed', async () => {
       const homefeed = await yt.getHomeFeed();
       expect(homefeed.header).toBeDefined();

From f4d6bf41255004e863cd68e3dbe50823aa9a5a32 Mon Sep 17 00:00:00 2001
From: absidue <48293849+absidue@users.noreply.github.com>
Date: Sun, 29 Jan 2023 12:03:14 +0100
Subject: [PATCH 2/2] Add getter for the playlists tab

---
 src/parser/youtube/Channel.ts | 4 ++++
 test/main.test.ts             | 1 +
 2 files changed, 5 insertions(+)

diff --git a/src/parser/youtube/Channel.ts b/src/parser/youtube/Channel.ts
index 16516e63e..9057b0bdb 100644
--- a/src/parser/youtube/Channel.ts
+++ b/src/parser/youtube/Channel.ts
@@ -208,6 +208,10 @@ export default class Channel extends TabbedFeed {
     return this.hasTabWithURL('streams');
   }
 
+  get has_playlists(): boolean {
+    return this.hasTabWithURL('playlists');
+  }
+
   get has_community(): boolean {
     return this.hasTabWithURL('community');
   }
diff --git a/test/main.test.ts b/test/main.test.ts
index f347bbcab..b25e8edf3 100644
--- a/test/main.test.ts
+++ b/test/main.test.ts
@@ -168,6 +168,7 @@ describe('YouTube.js Tests', () => {
       expect(channel.has_videos).toBe(true);
       expect(channel.has_shorts).toBe(false);
       expect(channel.has_live_streams).toBe(false);
+      expect(channel.has_playlists).toBe(true);
       expect(channel.has_community).toBe(true);
     })