44 lines
No EOL
1.2 KiB
JavaScript
44 lines
No EOL
1.2 KiB
JavaScript
import { Subscriber } from '../Subscriber';
|
|
import { empty } from '../observable/empty';
|
|
export function repeat(count = -1) {
|
|
return (source) => {
|
|
if (count === 0) {
|
|
return empty();
|
|
}
|
|
else if (count < 0) {
|
|
return source.lift(new RepeatOperator(-1, source));
|
|
}
|
|
else {
|
|
return source.lift(new RepeatOperator(count - 1, source));
|
|
}
|
|
};
|
|
}
|
|
class RepeatOperator {
|
|
constructor(count, source) {
|
|
this.count = count;
|
|
this.source = source;
|
|
}
|
|
call(subscriber, source) {
|
|
return source.subscribe(new RepeatSubscriber(subscriber, this.count, this.source));
|
|
}
|
|
}
|
|
class RepeatSubscriber extends Subscriber {
|
|
constructor(destination, count, source) {
|
|
super(destination);
|
|
this.count = count;
|
|
this.source = source;
|
|
}
|
|
complete() {
|
|
if (!this.isStopped) {
|
|
const { source, count } = this;
|
|
if (count === 0) {
|
|
return super.complete();
|
|
}
|
|
else if (count > -1) {
|
|
this.count = count - 1;
|
|
}
|
|
source.subscribe(this._unsubscribeAndRecycle());
|
|
}
|
|
}
|
|
}
|
|
//# sourceMappingURL=repeat.js.map
|