Logging in Node.js
Once you start developing on Node.js, you'll very soon find out the need for logging. It of course has nothing to do with JavaScript or specifically Node.js, but rather with the need to log activities on production environment, and even on development one for that matter. console.log The most rudimentary type of logging you could do is using console.log and console.error methods. This is better than nothing, but hardly the best solution. Basically they work exactly as they do, when you used them in browsers. However since we're in the server dominion now, an interesting aspect is revealed. That is, the console functions are synchronous, when the destination is a terminal or a file (to avoid lost messages in case of premature exit) and asynchronous when it’s a pipe (to avoid blocking for long periods of time). It is fully manual and you'll have to come up with your own format and basically manage everything yourself. Bunyan Bunyan library makes its mission