console-stamp

console-stamp

Patch Node.js console methods in order to add timestamp information by pattern.

Usage

Installing

npm install console-stamp

Patching the console

// Patch console.x methods in order to add timestamp information
require("console-stamp")(console, "HH:mm:ss.l");

console.log("Hello World!");
// -> 14:02:48.062 Hello World!

var port = 8080;
console.log("Server running at port %d", port);
// -> 16:02:35.325 Server running at port 8080

Example

console.time( "MyTimer" );
console.log( "LOG" );
console.info( "INFO" );
console.warn( "WARN" );
console.error( "ERROR" );
console.dir( { foo: "bar" } );
console.trace();
console.timeEnd( "MyTimer" );
console.assert( count < 10, "Count is > 10" );

Result:

20:01:27.500 LOG
20:01:27.504 INFO
20:01:27.504 WARN
20:01:27.504 ERROR
20:01:27.504 { bar: 'console.dir' }
20:01:27.508 Trace
	at Object.<anonymous> (/Users/starak/code/node-console-stamp/test.js:14:9)
	at Module._compile (module.js:456:26)
	at Object.Module._extensions..js (module.js:474:10)
	at Module.load (module.js:356:32)
	at Function.Module._load (module.js:312:12)
	at Function.Module.runMain (module.js:497:10)
	at startup (node.js:119:16)
	at node.js:901:3
20:01:27.510 MyTimer: 10ms
20:01:27.510
AssertionError: Count is > 10
	at Console.assert (console.js:102:23)
	at Console.con.(anonymous function) [as assert] (/Users/starak/code/node-console-stamp/main.js:35:24)
	at Object.<anonymous> (/Users/starak/code/node-console-stamp/test.js:16:9)
	at Module._compile (module.js:456:26)
	at Object.Module._extensions..js (module.js:474:10)
	at Module.load (module.js:356:32)
	at Function.Module._load (module.js:312:12)
	at Function.Module.runMain (module.js:497:10)
	at startup (node.js:119:16)
	at node.js:901:3

See more about timestamp patterns at felixges excellent dateformat