Get current ip in node.js

ip.js

var os = require('os');
var ifaces = os.networkInterfaces();
for (var dev in ifaces) {
  var alias = 0;
  ifaces[dev].forEach(function(details) {
    if (details.family == 'IPv4') {
      if (details.address == '127.0.0.1') {
        return;
      }
      ++alias;
    }
  });
}