emitter.ts

const ee = emitter();
ee.on(function* clicker() {
  while (true) {
    const event = yield take('click');
    console.log('click event!', event);
  }
});
ee.on(function* once() {
  const event = yield take('click');
  console.log('on listen for event once!', event);
})
ee.emit('click', { some: 'payload' });
// click event! { some: 'payload' }
// on listen for event once! { some: 'payload' }

ee.emit('click', { something: 'else' });
// click event! { something: 'else' }