JSON

Serialize JS Object to JSON

var obj = {name: "Martin", age: 30, country: "United States"};
 
var json = JSON.stringify(obj);
 
console.log(json);

Read in JS object and write out JSON to file

const fs = require('fs')
 
// Read JS object from file
const data = require('./data.js');
 
// Convert object defined in data.js
var json = JSON.stringify(obj_from_data);
 
fs.writeFile('/tmp/data.json', json, err => {
  if (err) {
    console.error(err)
    return
  }
  //file written successfully
})