From 364a6dd2aa9316f3f46ce0894a49ae17444d8af4 Mon Sep 17 00:00:00 2001
From: Andrew Berry <andrew@furrypaws.ca>
Date: Wed, 2 Mar 2022 14:07:22 -0500
Subject: [PATCH] Only colorize output if logging to a tty (#11645)

---
 lib/util/logger.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/util/logger.ts b/lib/util/logger.ts
index 7d3ae49e8..7723d24f6 100644
--- a/lib/util/logger.ts
+++ b/lib/util/logger.ts
@@ -62,7 +62,12 @@ const transportsToUse: winston.transport[] = [
             winston.format.printf(/* istanbul ignore next */(info) => {
                 const {timestamp, level, message} = info;
                 const l = winstonToZ2mLevel(level as WinstonLogLevel);
-                const prefix = colorizer.colorize(l, `Zigbee2MQTT:${levelWithCompensatedLength[l]}`);
+
+                const plainPrefix = `Zigbee2MQTT:${levelWithCompensatedLength[l]}`;
+                let prefix = plainPrefix;
+                if (process.stdout.isTTY) {
+                    prefix = colorizer.colorize(l, plainPrefix);
+                }
                 return `${prefix} ${timestamp.split('.')[0]}: ${message}`;
             }),
         ),