Defines a filter on the $filter provider that will call a method to filter objects inside of ngRepeat.

evalMethod.filter.js

angular.module('myApp.filters', [])
  /**
   * Defines a filter on the $filter provider that will call a method
   * to filter objects inside of ngRepeat.
   *
   * @return {Function}
   *    @param {Array} - the array to loop through
   *    @param {String} - the Object method name
   *    @param {Any} - the value to match against 
   *    @return {Array} - the resultant array
   */
  .filter('evalMethod', [function() {
      return function(array, method, expected) {
          var results = [];
          /** 
            * loop through all items in the array
            * and bind the results to the results object
            */
          angular.forEach(array, function(item, key) {
              /** 
               * call the method against the item context,
               * if it returns as expected, push it into the results array
               */
              if (item[method].call(item) == expected) {
                  this.push(item);
              }
          }, results);
          return results;
      };
  }]);