From a8567fd6d6605d0701c4a6c439e41476ede3f1af Mon Sep 17 00:00:00 2001
From: Shubham Parihar <shubhamparihar391@gmail.com>
Date: Wed, 30 Jun 2021 16:27:15 +0530
Subject: [PATCH 1/2] feat(Channel): add isThread typeguard for better TS
 support

---
 src/structures/Channel.js | 8 ++++++++
 typings/index.d.ts        | 1 +
 2 files changed, 9 insertions(+)

diff --git a/src/structures/Channel.js b/src/structures/Channel.js
index 6c8e759c1b0c..06266d3d19c5 100644
--- a/src/structures/Channel.js
+++ b/src/structures/Channel.js
@@ -110,6 +110,14 @@ class Channel extends Base {
     return 'messages' in this;
   }
 
+  /**
+   * Indicates whether this channel is a thread channel.
+   * @returns {boolean}
+   */
+  isThread() {
+    return ['news_thread', 'public_thread', 'private_thread'].includes(this.type);
+  }
+
   static create(client, data, guild) {
     const Structures = require('../util/Structures');
     let channel;
diff --git a/typings/index.d.ts b/typings/index.d.ts
index 1d756d828f1f..43d12f69d8f4 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -438,6 +438,7 @@ declare module 'discord.js' {
     public delete(reason?: string): Promise<Channel>;
     public fetch(force?: boolean): Promise<Channel>;
     public isText(): this is TextChannel | DMChannel | NewsChannel | ThreadChannel;
+    public isThread(): this is ThreadChannel;
     public toString(): string;
   }
 

From 637b86e94fc414b88c218bd51740e6e19815ad58 Mon Sep 17 00:00:00 2001
From: Shubham Parihar <shubhamparihar391@gmail.com>
Date: Wed, 30 Jun 2021 17:24:23 +0530
Subject: [PATCH 2/2] refactor(Channel): use ThreadChannelTypes constant in
 isThread

---
 src/structures/Channel.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/structures/Channel.js b/src/structures/Channel.js
index 06266d3d19c5..cdae8152a586 100644
--- a/src/structures/Channel.js
+++ b/src/structures/Channel.js
@@ -1,7 +1,7 @@
 'use strict';
 
 const Base = require('./Base');
-const { ChannelTypes } = require('../util/Constants');
+const { ChannelTypes, ThreadChannelTypes } = require('../util/Constants');
 const SnowflakeUtil = require('../util/SnowflakeUtil');
 
 /**
@@ -115,7 +115,7 @@ class Channel extends Base {
    * @returns {boolean}
    */
   isThread() {
-    return ['news_thread', 'public_thread', 'private_thread'].includes(this.type);
+    return ThreadChannelTypes.includes(this.type);
   }
 
   static create(client, data, guild) {