Function timeout

tools/ngui/static/js/lib/angular.js:9465–9491

* @ngdoc function * @name ng.$timeout * @requires $browser * * @description * Angular's wrapper for `window.setTimeout`. The `fn` function is wrapped into a try/catch * block and delegates any exceptions to * ng.$exceptionHandler $exceptionHandler se

(fn, delay, invokeApply)

      *   promise will be resolved with is the return value of the `fn` function.
      */
    function timeout(fn, delay, invokeApply) {
      var deferred = $q.defer(),
          promise = deferred.promise,
          skipApply = (isDefined(invokeApply) && !invokeApply),
          timeoutId, cleanup;

      timeoutId = $browser.defer(function() {
        try {
          deferred.resolve(fn());
        } catch(e) {
          deferred.reject(e);
          $exceptionHandler(e);
        }

        if (!skipApply) $rootScope.$apply();
      }, delay);

      cleanup = function() {
        delete deferreds[promise.$$timeoutId];
      };

      promise.$$timeoutId = timeoutId;
      deferreds[timeoutId] = deferred;
      promise.then(cleanup, cleanup);

      return promise;
    }


     /**