Custom filters in AngularJS

gistfile1.js

angular.module('datePickerFilter', [])
  .filter('greaterThanDate', ['$filter', function($filter) {
    return function(rows, date) {
      return $filter('filter')(rows, function(row) { return row.occurredAt > date });
    };
  }])
  .filter('lessThanDate', ['$filter', function($filter) {
    return function(rows, date) {
      return $filter('filter')(rows, function(row) { return row.occurredAt < date });
    };
  }]);