Function addRemoveClassesPostDigest

lib/test/angular/1.4.3/angular.js:4853–4908

(element, add, remove)

    };

    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) {
            var existing = splitClasses(element.attr('class'));
            var toAdd = '';
            var toRemove = '';
            forEach(data, function(status, className) {
              var hasClass = !!existing[className];
              if (status !== hasClass) {
                if (status) {
                  toAdd += (toAdd.length ? ' ' : '') + className;
                } else {
                  toRemove += (toRemove.length ? ' ' : '') + className;
                }
              }
            });

            forEach(element, function(elm) {
              toAdd    && jqLiteAddClass(elm, toAdd);
              toRemove && jqLiteRemoveClass(elm, toRemove);
            });
            postDigestQueue.remove(element);
          }
        });

        postDigestElements.length = 0;
      });
    }
  }];
};