is-this-debounced-enough.js

    function startWatchingTagSettings() {
      var request = null, timeout = null, temp = null, rate = 300;
      $scope.$watch('tagSettings', function (val, oldVal) {
        if (val === oldVal) {
          // Special case where we are called durining initialization.
          return;
        }
        temp = val;
        if (timeout) {
          $timeout.cancel(timeout);
        }
        if (request) {
          request.abort();
          request = null;
        }
        timeout = $timeout(function() {
          console.log('updating the tag settings');
          request = TagService.updateTag($scope.tag.id, temp);
        }, rate);
      }, true);
    }