From 0a317deee840bba45e53eafadd8c6b3b905e3438 Mon Sep 17 00:00:00 2001
From: Karar Al-Remahy <alremahykarar@ymail.com>
Date: Wed, 15 Nov 2023 09:16:04 +0100
Subject: [PATCH] Update lib/message/parser/tags.ts

Co-authored-by: Brian <18603393+brian6932@users.noreply.github.com>
---
 lib/message/parser/tags.ts | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/lib/message/parser/tags.ts b/lib/message/parser/tags.ts
index e96cd026..126b469a 100644
--- a/lib/message/parser/tags.ts
+++ b/lib/message/parser/tags.ts
@@ -29,13 +29,12 @@ export function parseTags(tagsSrc: string | undefined): IRCMessageTags {
   for (const tagSrc of tagsSrc.split(";")) {
     const key = tagSrc.split("=").shift() as string;
 
-    let valueSrc;
-    const indexOfFirstSeparator = tagSrc.indexOf("=");
-    if (indexOfFirstSeparator !== -1) {
-      valueSrc = tagSrc.slice(indexOfFirstSeparator + 1);
-    }
+    const keyValueDelimiter: number = tagSrc.indexOf("=");
 
-    tags[key.toLowerCase()] = decodeValue(valueSrc);
+    tags[tagSrc.slice(0, keyValueDelimiter)] =
+      keyValueDelimiter === -1
+        ? null
+        : decodeValue(tagSrc.slice(keyValueDelimiter + 1));
   }
 
   return tags;