Skip to main content

createMulticastReplayLastSource

Types​

function createMulticastReplayLastSource<GValue>(
  ...initialValue: ICreateReplayLastSourceInitialValue<GValue>
): IMulticastReplayLastSource<GValue>
type IMulticastReplayLastSource<GValue> = IReplayLastSource<GValue, IMulticastSource<GValue>>;

Definition​

Creates a IReplayLastSource with a IMulticastSource.

Example​

Dispatch values to multiple Observers​


const source = createMulticastReplayLastSource<number>(0);

source.subscribe((value: string) => {
  console.log('value - A:', value);
});

source.emit(1);
source.emit(2);

source.subscribe((value: string) => {
  console.log('value - B:', value);
});

source.emit(3);

Output:

value - A: 0
value - A: 1
value - A: 2
value - B: 2
value - A: 3
value - B: 3
RxJS equivalent​
const source = new BehaviorSubject(0);

source.subscribe((value: string) => {
  console.log('value - A:', value);
});

source.next(1);
source.next(2);

source.subscribe((value: string) => {
  console.log('value - B:', value);
});

source.next(3);