Colourise the Node-RED logs

packages/node_modules/@node-red/util/lib/log.js

@@ -23,6 +23,7 @@ var util = require("util");
 var EventEmitter = require("events").EventEmitter;
 
 var i18n = require("./i18n");
+const chalk = require("chalk");
 
 var levels = {
     off:    1,
@@ -47,6 +48,15 @@ var levelNames = {
     99: "metric"
 };
 
+var levelColours = {
+    10: 'red',
+    20: 'red',
+    30: 'yellow',
+    40: 'white',
+    50: 'cyan',
+    60: 'gray'
+};
+
 var logHandlers = [];
 
 var verbose;
@@ -75,20 +85,19 @@ LogHandler.prototype.shouldReportMessage = function(msglevel) {
            msglevel <= this.logLevel;
 }
 
-
 // Older versions of Node-RED used the deprecated util.log function.
 // With Node.js 22, use of that function causes warnings. So here we
 // are replicating the same format output to ensure we don't break any
 // log parsing that happens in the real world.
 const months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
-const utilLog = function (msg) {
+const utilLog = function (msg, level) {
     const d = new Date();
     const time = [
         d.getHours().toString().padStart(2, '0'),
         d.getMinutes().toString().padStart(2, '0'),
         d.getSeconds().toString().padStart(2, '0')
     ].join(':');
-    console.log(`${d.getDate()} ${months[d.getMonth()]} ${time} - ${msg}`)
+    console.log(chalk[levelColours[level]](`${d.getDate()} ${months[d.getMonth()]} ${time} - ${msg}`))
 }
 
 var consoleLogger = function(msg) {
@@ -96,7 +105,7 @@ var consoleLogger = function(msg) {
         utilLog("["+levelNames[msg.level]+"] "+JSON.stringify(msg));
     } else {
         if (verbose && msg.msg && msg.msg.stack) {
-            utilLog("["+levelNames[msg.level]+"] "+(msg.type?"["+msg.type+":"+(msg.name||msg.id)+"] ":"")+msg.msg.stack);
+            utilLog("["+levelNames[msg.level]+"] "+(msg.type?"["+msg.type+":"+(msg.name||msg.id)+"] ":"")+msg.msg.stack, msg.level);
         } else {
             var message = msg.msg;
             try {
@@ -107,7 +116,7 @@ var consoleLogger = function(msg) {
                 message = 'Exception trying to log: '+util.inspect(message);
             }
 
-            utilLog("["+levelNames[msg.level]+"] "+(msg.type?"["+msg.type+":"+(msg.name||msg.id)+"] ":"")+message);
+            utilLog("["+levelNames[msg.level]+"] "+(msg.type?"["+msg.type+":"+(msg.name||msg.id)+"] ":"")+message, msg.level);
         }
     }
 }

packages/node_modules/@node-red/util/package.json

@@ -15,6 +15,7 @@
         }
     ],
     "dependencies": {
+        "chalk": "4.1.2",
         "fs-extra": "11.2.0",
         "i18next": "21.10.0",
         "json-stringify-safe": "5.0.1",