bunyan/examples/unstringifyable.js

a JSON Logger library for node.js servers

// See how bunyan behaves with an un-stringify-able object.
var Logger = require("../lib/bunyan");

var log = new Logger({src: true, name: "foo"});

// Make a circular object (cannot be JSON-ified).
var myobj = {
  foo: 'bar'
};
myobj.myobj = myobj;

log.info({obj: myobj}, "hi there");   // <--- here