croTestCheck.js

  // check for CRO test

  function _croTestCheck() {
    console.log("cro_check")

    // The polling function
    function poll(fn, timeout, interval) {
      var endTime = Number(new Date()) + (timeout || 2000)
      interval = interval || 100

      var checkCondition = function (resolve, reject) {
        // If the condition is met, we're done!
        var result = fn()
        if (result) {
          resolve(result)
        }
        // If the condition isn't met but the timeout hasn't elapsed, go again
        else if (Number(new Date()) < endTime) {
          setTimeout(checkCondition, interval, resolve, reject)
        }
        // Didn't match and too much time, reject!
        else {
          reject(new Error("timed out for " + fn + ": " + arguments))
        }
      }

      return new Promise(checkCondition)
    }

    // Usage:  ensure google_optimize is on the window, then check for specific experiments
    poll(
      function () {
        return google_optimize
      },
      5000,
      150
    )
      .then(function () {
        // Polling done, now do something else!
        console.log("google_optimize on the window", google_optimize)
        checkExperiment("JEw_R3p3RVuxxxHF-HrI1Q")
      })
      .catch(function () {
        // Polling timed out, handle the error!
        console.log("google_optimize unavailable")
      })

    function checkExperiment(experimentID) {
      console.log("experiment-id: " + experimentID)
      if (google_optimize && google_optimize.get(experimentID)) {
        var cro_group = google_optimize.get(experimentID)

        console.log("cro-group: ", cro_group)

        // group 1 for exit intent test
        if (
          (cro_group == 1 || cro_group == "1") &&
          experimentID == "JEw_R3p3RVuxxxHF-HrI1Q"
        ) {
          Main.launchExitIntentModal()
        }
      }
    }
  } // end Main code block