check.js

var check = function(value, type, blackData, whiteData) {
  var blackDataObj = _.groupBy(blackData, function(i) {
      var flag = (i.target.indexOf('@') !== -1) ? "email" : "domain";
      return flag;
  });
  var whiteDataObj = _.groupBy(whiteData, function(i) {
      var flag = (i.target.indexOf('@') !== -1) ? "email" : "domain";
      return flag;
  });
  // todo...
};