Function ready

deps/async.js:372–376

()

            };
            var requires = task.slice(0, Math.abs(task.length - 1)) || [];
            var ready = function () {
                return _reduce(requires, function (a, x) {
                    return (a && _indexOf(completed, x) !== -1);
                }, true);
            };
            if (ready()) {
                task[task.length - 1](taskCallback);
            }