Node.js Enable/disable colors based on process.itTTY

example.js

#! /usr/bin/env node

var prettyjson = require('prettyjson');

var someDataStructure = {
  firstLevelA: {
    secondLevel1: {
      thirdLevelA: 'foo',
      thirdLevelB: []
    }
  },
  firstLevelB: {},
  firstLevelC: {}
};

console.log(prettyjson.render(someDataStructure, {noColor: !process.stdout.isTTY}));

package.json

{
  "name": "pty-example",
  "version": "0.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "prettyjson": "^1.0.0"
  }
}