From 7365f403006eeb28ab10f03cbf85416272678ef7 Mon Sep 17 00:00:00 2001
From: SpaceEEC <spaceeec@yahoo.com>
Date: Tue, 8 Dec 2020 20:11:44 +0100
Subject: [PATCH] fix(Collector): throw an error if a non-function was provided
 as filter (#5034)

---
 src/structures/interfaces/Collector.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/structures/interfaces/Collector.js b/src/structures/interfaces/Collector.js
index 969b3d2c3..e87453853 100644
--- a/src/structures/interfaces/Collector.js
+++ b/src/structures/interfaces/Collector.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const EventEmitter = require('events');
+const { TypeError } = require('../../errors');
 const Collection = require('../../util/Collection');
 const Util = require('../../util/Util');
 
@@ -74,6 +75,10 @@ class Collector extends EventEmitter {
      */
     this._idletimeout = null;
 
+    if (typeof filter !== 'function') {
+      throw new TypeError('INVALID_TYPE', 'filter', 'function');
+    }
+
     this.handleCollect = this.handleCollect.bind(this);
     this.handleDispose = this.handleDispose.bind(this);