From 99004165f2a8b53661823c0f8ad841989afc19e3 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Mon, 29 Jun 2020 14:29:31 +0200
Subject: [PATCH] Print IRC error messages in red

---
 components/buffer.js |  4 ++++
 lib/irc.js           | 17 +++++++++++++++++
 style.css            |  3 +++
 3 files changed, 24 insertions(+)

diff --git a/components/buffer.js b/components/buffer.js
index d2695a8..4c640ca 100644
--- a/components/buffer.js
+++ b/components/buffer.js
@@ -1,5 +1,6 @@
 import { html, Component } from "/lib/index.js";
 import linkify from "/lib/linkify.js";
+import * as irc from "/lib/irc.js";
 
 function djb2(s) {
 	var hash = 5381;
@@ -82,6 +83,9 @@ function LogLine(props) {
 		`;
 		break;
 	default:
+		if (irc.isError(msg.command) && msg.command != irc.ERR_NOMOTD) {
+			lineClass = "error";
+		}
 		content = html`${msg.command} ${msg.params.join(" ")}`;
 	}
 
diff --git a/lib/irc.js b/lib/irc.js
index e7bac49..dffc2d7 100644
--- a/lib/irc.js
+++ b/lib/irc.js
@@ -7,6 +7,7 @@ export const RPL_TOPIC = "332";
 export const RPL_WHOREPLY = "352";
 export const RPL_NAMREPLY = "353";
 export const RPL_ENDOFNAMES = "366";
+export const ERR_NOMOTD = "422";
 export const ERR_PASSWDMISMATCH = "464";
 // https://ircv3.net/specs/extensions/sasl-3.1
 export const RPL_LOGGEDIN = "900";
@@ -240,3 +241,19 @@ export function isHighlight(text, nick) {
 		text = text.slice(i + nick.length);
 	}
 }
+
+export function isError(cmd) {
+	if (cmd >= "400" && cmd <= "568") {
+		return true;
+	}
+	switch (cmd) {
+	case ERR_NICKLOCKED:
+	case ERR_SASLFAIL:
+	case ERR_SASLTOOLONG:
+	case ERR_SASLABORTED:
+	case ERR_SASLALREADY:
+		return true;
+	default:
+		return false;
+	}
+}
diff --git a/style.css b/style.css
index c68b710..c0224f5 100644
--- a/style.css
+++ b/style.css
@@ -176,6 +176,9 @@ details summary {
 #buffer .talk {
 	color: black;
 }
+#buffer .error {
+	color: red;
+}
 #buffer .me-tell {
 	color: #b37400;
 }