From b7ed6752ac98e56e79b6fd9fd3a5e47572454d85 Mon Sep 17 00:00:00 2001
From: Shubham Parihar <shubhamparihar391@gmail.com>
Date: Wed, 30 Jun 2021 20:49:59 +0530
Subject: [PATCH] feat(Channel): add isThread typeguard for better TS support
 (#5978)

---
 src/structures/Channel.js | 10 +++++++++-
 typings/index.d.ts        |  1 +
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/structures/Channel.js b/src/structures/Channel.js
index 6c8e759c1..cdae8152a 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');
 
 /**
@@ -110,6 +110,14 @@ class Channel extends Base {
     return 'messages' in this;
   }
 
+  /**
+   * Indicates whether this channel is a thread channel.
+   * @returns {boolean}
+   */
+  isThread() {
+    return ThreadChannelTypes.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 8766ac996..c46cc477d 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;
   }