events-waiter
The constructor "EventsWaiter" creates an object that can call the callback function when all registered events are completed.
How to use
Install module into your project
$ npm i @spomni/events-waiter
Create an instance of the class "EventsWaiter".
var waiter = new require('events-waiter')
Register events on the method "#addEvent".
waiter.addEvent("event_1");
waiter.addEvent("event_2");
waiter.addEvent("event_3");
Call the method "#wait(callback)" for the start events waiting. Pass the callback function in this method as option. The callback will be called when all events are completed.
waiter.wait(function(){});
Marks events as completed.
waiter.completeEvent("event_1");
waiter.completeEvent("event_2");
waiter.completeEvent("event_2");
After that the callback function will be called.
If you marks all events as completed earlier than you call the method "#wait()", the callback function will be called when the method "#wait()" is called.
If you want remove a registered event, use the method "#removeEvent()".
waiter.removeEvent("event_1");
If you want rallback an instance to the inital state, use the method "#reset()".
waiter.reset();
Look additional information in the documentation.