Adding timestamps to all console messages

Question

I have a complete, deployed, Express-based project, with many console.log() and console.error() statements throughout. The project runs using forever, directing the st

Answer 1

Create a file with the following:

var log = console.log;

console.log = function(){
  log.apply(console, [Date.now()].concat(arguments));
};

Require it in your app before you log anything. Do the same for console.error if needed.

Note that this solution will destroy variable insertion (console.log("he%s", "y") // "hey") if you're using that. If you need that, just log the timestamp first:

log.call(console, Date.now());
log.apply(console, arguments);