From 5a3edf476949d63285e578cb6d41eeed8082d117 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Fri, 28 May 2021 09:59:51 +0200
Subject: [PATCH] Fix WHOIS DB not using case-mapping fallback

In case the server advertises an unsupported case-mapping, we have
a fallback.
---
 lib/client.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/client.js b/lib/client.js
index ffe6dfe..41eb476 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -436,11 +436,12 @@ export default class Client extends EventTarget {
 
 	setCaseMapping(name) {
 		this.cm = irc.CaseMapping.byName(name);
-		this.whoisDB = new irc.CaseMapMap(this.whoisDB, this.cm);
 		if (!this.cm) {
 			console.error("Unsupported case-mapping '" + name + "', falling back to RFC 1459");
 			this.cm = irc.CaseMapping.RFC1459;
 		}
+
+		this.whoisDB = new irc.CaseMapMap(this.whoisDB, this.cm);
 	}
 
 	isMyNick(nick) {