github-pages-deploy-action/node_modules/rxjs/_esm2015/internal/operators/repeat.js
2020-03-06 22:45:40 -05:00

44 lines
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());
}
}
}
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