A small library for waiting in JavaScript.

Create a new semaphore like below.

const Semaphore = require('@trenskow/semaphore');

const mySemaphore = new Semaphore();

To wait do as below.

await mySemaphore.wait();

To signal (from another place) that one of the waiters can continue, do as below.

mySemaphore.signal();

– or to broadcast to all awaiters to conitnue.

mySemaphore.broadcast();

You can also reject all awaiters with an error.

mySemphore.reject(myError);

See license in LICENSE.