Function $$CoreAnimateQueueProvider

lib/test/angular/1.4.3/angular.js:4826–4910

()

// this is prefixed with Core since it conflicts with
// the animateQueueProvider defined in ngAnimate/animateQueue.js
var $$CoreAnimateQueueProvider = function() {
  var postDigestQueue = new HashMap();
  var postDigestElements = [];

  this.$get = ['$$AnimateRunner', '$rootScope',
       function($$AnimateRunner,   $rootScope) {
    return {
      enabled: noop,
      on: noop,
      off: noop,
      pin: noop,

      push: function(element, event, options, domOperation) {
        domOperation        && domOperation();

        options = options || {};
        options.from        && element.css(options.from);
        options.to          && element.css(options.to);

        if (options.addClass || options.removeClass) {
          addRemoveClassesPostDigest(element, options.addClass, options.removeClass);
        }

        return new $$AnimateRunner(); // jshint ignore:line
      }
    };

    function addRemoveClassesPostDigest(element, add, remove) {
      var data = postDigestQueue.get(element);
      var classVal;

      if (!data) {
        postDigestQueue.put(element, data = {});
        postDigestElements.push(element);
      }

      if (add) {
        forEach(add.split(' '), function(className) {
          if (className) {
            data[className] = true;
          }
        });
      }

      if (remove) {
        forEach(remove.split(' '), function(className) {
          if (className) {
            data[className] = false;
          }
        });
      }

      if (postDigestElements.length > 1) return;

      $rootScope.$$postDigest(function() {
        forEach(postDigestElements, function(element) {
          var data = postDigestQueue.get(element);
          if (data) {