Function fnPromise

packages/zone.js/test/performance/performance_setup.js:106–116

()

  var runAsync = (_global['__zone_symbol__runAsync'] = function (testFn, times, _delay) {
    var delay = _delay | 100;
    const fnPromise = function () {
      return new Promise(function (res, rej) {
        // run test with a setTimeout
        // several times to decrease measurement error
        setTimeout(function () {
          testFn().then(function () {
            res();
          });
        }, delay);
      });
    };
    var promiseFactories = [];
    for (var i = 0; i < times; i++) {
      promiseFactories.push({factory: fnPromise, context: {}});