Optimizely Device Detector Segment

optimizelyDeviceDetector.js

(function(){					
var deviceDetector = (function () {
var ua = navigator.userAgent.toLowerCase();
var detect = (function(s) {
  if(s===undefined){
          s=ua;
      } else {
          ua = s.toLowerCase();
      }
  if(/(ipad|tablet|(android(?!.*mobile))|(windows(?!.*phone)(.*touch))|kindle|playbook|silk|(puffin(?!.*(IP|AP|WP))))/.test(ua)){
          return 'tablet';
      } else{
    if(/(mobi|ipod|phone|blackberry|opera mini|fennec|minimo|symbian|psp|nintendo ds|archos|skyfire|puffin|blazer|bolt|gobrowser|iris|maemo|semc|teashark|uzard)/.test(ua)){
              return 'phone';
          } else {
              return 'desktop';
          }
      }
  });
  return{
      device:detect(),
      detect:detect,
      isMobile:((detect()!='desktop')?true:false),
      userAgent:ua
  };
  }());

 var deviceDetected;
  if(deviceDetector.device == 'desktop'){
      deviceDetected = 'desktop';
  } else {
      if(deviceDetector.device == 'tablet'){
          deviceDetected = 'tablet';
      } else{
          deviceDetected = 'mobile';
      }
  }
  //console.log(deviceDetected)

      window.optimizely = window.optimizely || [];
      window["optimizely"].push({
          type: "user",
          attributes: {
            device_type: deviceDetected
          }
      });
})();