Adds a one-timelistener function for the event named eventName to the beginning of the listeners array. The next time eventName is triggered, this
listener is removed, and then invoked.
server.prependOnceListener('connection', (stream) => { console.log('Ah, we have our first user!'); });
Returns a reference to the EventEmitter, so that calls can be chained.
Adds a one-time
listenerfunction for the event namedeventNameto the beginning of the listeners array. The next timeeventNameis triggered, this listener is removed, and then invoked.Returns a reference to the
EventEmitter, so that calls can be chained.