forbidden usernames

forbidden_usernames.js

// alexa most visited domains: http://s3.amazonaws.com/alexa-static/top-1m.csv.zip                                                                                     
var domains = require('./domains.json');
//consider the first x most visited urls                                                                                                                               
var limit = 50000;
//forbidden words: https://github.com/shouldbee/reserved-usernames/blob/master/reserved-usernames.json                                                                 
var forbidden = require('./forbidden.json');

var output = {};

for (i=0; i < limit ; i++) {
  var temp = domains[i];
  var n = temp.split('.')[0];
  //just keep the most visited domain and do not consider number domains                                                                                               
  if (!output[n] && !Number(n)) {
   output[n] = temp;
  }
}

for (j=0; j< forbidden.length; j++) {
  var f = forbidden[j];
  if(!output[f]){
   output[f] = f;
  }
}

console.log(JSON.stringify(output));