msft-timeout.js

// Purpose: Prevent a tag request from taking more than .5s. 
// Workflow for timeout state 
// script msft-timeout.js:13
// 9 bk_monitor msft-timeout.js:21
// bk_timeout msft-timeout.js:29
// bkContinue 

// Add a script request with an onload 
window.bk_loaded = false; 
window.bk_started = new Date(); 

function bkLoaded() { 
  console.log('bkLoaded');
  // The interval / timeout clearing could be moved here 
  window.bk_loaded = true; 
}


// This is the base implementation of the JS tag 
console.log('script');
// 
var script ='http://tags.bluekai.com/site/14445?ret=js';
// var script = 'http://wal.sh/poc/fb-perf/2s-sleep-js.php';
document.write("<scr"+"ipt onload=\"bkLoaded()\" src=\"" + script + "\"></script>");


// Monitor for the completion of bk_loaded 
var bk_monitor = window.setInterval(function() { 
  console.log('bk_monitor');
  if (bk_loaded) {
    bkContinue(); 
  }
}, 50) 

// Stop monitoring and continue 
var bk_timeout = window.setTimeout(function() { 
  console.log('bk_timeout');
  // Set up default values or error notes 
  var bk_results = {
    "campaigns": [
    ]
  }; 
  bkContinue(); 
}, 500)


// Assume bkContinue is functionality that has a synchronous
// dependency on the tag 
var bkContinue = function() { 
  console.log('bkContinue ' + (new Date() - bk_started));
  // Stop monitoring 
  clearInterval(bk_monitor); 
  // Remove the timeout monitoring if the load doesn't finish 
  clearTimeout(bk_timeout);
}