Treet formats objects as trees, which is apparently a really difficult concept to understand sometimes.

Install:

npm install treet

Require:

var treet = require('treet');

Use:

console.log(treet({a: {complicatedly: {nested: ['object']}}}));

Output:

Object
  a: Object
    complicatedly: Object
      nested: Array
        0: "object"

Handles circular references by pointing to the location of the circular referencee above the circular referencer. For example:

var obj = {};
obj.obj = {obj: obj};
console.log(treet(obj));

would output:

Object
  obj: Object
    obj: .obj

Numerical indices in strings only are ignored; negative zero is displayed as -0; strings are displayed JSON-encoded; numbers, dates, and regular expressions are displayed as one would expect; anything else is given by the name of its constructor.