habitica/website/public/js/directives/when-scrolled.directive.js

'use strict';

angular
  .module('habitrpg')
  .directive('whenScrolled', whenScrolled);

function whenScrolled() {
  return function(scope, elm, attr) {
    var raw = elm[0];

    elm.bind('scroll', function() {
      if (raw.scrollTop + raw.offsetHeight >= raw.scrollHeight) {
        scope.$apply(attr.whenScrolled);
      }
    });
  };
}