Read local JSON file with node.js

read_json.js

var fs = require('fs');
var file = __dirname + '/data/filename.json';

fs.readFile(file, 'utf8', function (err, data) {
  if (err) {
    console.log('Error: ' + err);
    return;
  }
  obj_pulseconfig = JSON.parse(data);
  console.dir(data);
});