From 273e9557be68eb1c2466f29e1c41e9b146a777c1 Mon Sep 17 00:00:00 2001
From: Souji <timoqueezle@gmail.com>
Date: Fri, 22 Jan 2021 17:44:50 +0100
Subject: [PATCH] feat(BitField): move problematic bit into the error message
 (#5228)

* feat(BitField): move problematic bit into the error message

* fix: remove intermediate constant
---
 src/errors/Messages.js | 2 +-
 src/util/BitField.js   | 4 +---
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/errors/Messages.js b/src/errors/Messages.js
index 980bf0975..4e9d73cac 100644
--- a/src/errors/Messages.js
+++ b/src/errors/Messages.js
@@ -13,7 +13,7 @@ const Messages = {
   WS_CONNECTION_EXISTS: 'There is already an existing WebSocket connection.',
   WS_NOT_OPEN: (data = 'data') => `Websocket not open to send ${data}`,
 
-  BITFIELD_INVALID: 'Invalid bitfield flag or number.',
+  BITFIELD_INVALID: bit => `Invalid bitfield flag or number: ${bit}.`,
 
   SHARDING_INVALID: 'Invalid shard settings were provided.',
   SHARDING_REQUIRED: 'This session would have handled too many guilds - Sharding is required.',
diff --git a/src/util/BitField.js b/src/util/BitField.js
index 4d03aa6a5..fabbaf918 100644
--- a/src/util/BitField.js
+++ b/src/util/BitField.js
@@ -147,9 +147,7 @@ class BitField {
     if (bit instanceof BitField) return bit.bitfield;
     if (Array.isArray(bit)) return bit.map(p => this.resolve(p)).reduce((prev, p) => prev | p, 0);
     if (typeof bit === 'string' && typeof this.FLAGS[bit] !== 'undefined') return this.FLAGS[bit];
-    const error = new RangeError('BITFIELD_INVALID');
-    error.bit = bit;
-    throw error;
+    throw new RangeError('BITFIELD_INVALID', bit);
   }
 }