Function queueAnimation

test/angular/1.4/angular-animate.js:2418–2693

(element, event, initialOptions)

    };

    function queueAnimation(element, event, initialOptions) {
      // we always make a copy of the options since
      // there should never be any side effects on
      // the input data when running `$animateCss`.
      var options = copy(initialOptions);

      var node, parent;
      element = stripCommentsFromElement(element);
      if (element) {
        node = getDomNode(element);
        parent = element.parent();
      }

      options = prepareAnimationOptions(options);

      // we create a fake runner with a working promise.
      // These methods will become available after the digest has passed
      var runner = new $$AnimateRunner();

      // this is used to trigger callbacks in postDigest mode
      var runInNextPostDigestOrNow = postDigestTaskFactory();

      if (isArray(options.addClass)) {
        options.addClass = options.addClass.join(' ');
      }

      if (options.addClass && !isString(options.addClass)) {
        options.addClass = null;
      }

      if (isArray(options.removeClass)) {
        options.removeClass = options.removeClass.join(' ');
      }

      if (options.removeClass && !isString(options.removeClass)) {
        options.removeClass = null;
      }

      if (options.from && !isObject(options.from)) {
        options.from = null;
      }

      if (options.to && !isObject(options.to)) {
        options.to = null;
      }

      // there are situations where a directive issues an animation for
      // a jqLite wrapper that contains only comment nodes... If this
      // happens then there is no way we can perform an animation
      if (!node) {
        close();
        return runner;
      }

      var className = [node.className, options.addClass, options.removeClass].join(' ');
      if (!isAnimatableClassName(className)) {
        close();
        return runner;