45 lines
1.4 KiB
JavaScript
45 lines
1.4 KiB
JavaScript
/** PURE_IMPORTS_START .._ReplaySubject PURE_IMPORTS_END */
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import { ReplaySubject } from '../ReplaySubject';
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/**
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* @method shareReplay
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* @owner Observable
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*/
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export function shareReplay(bufferSize, windowTime, scheduler) {
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return function (source) { return source.lift(shareReplayOperator(bufferSize, windowTime, scheduler)); };
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}
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function shareReplayOperator(bufferSize, windowTime, scheduler) {
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var subject;
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var refCount = 0;
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var subscription;
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var hasError = false;
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var isComplete = false;
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return function shareReplayOperation(source) {
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refCount++;
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if (!subject || hasError) {
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hasError = false;
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subject = new ReplaySubject(bufferSize, windowTime, scheduler);
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subscription = source.subscribe({
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next: function (value) { subject.next(value); },
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error: function (err) {
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hasError = true;
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subject.error(err);
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},
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complete: function () {
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isComplete = true;
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subject.complete();
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},
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});
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}
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var innerSub = subject.subscribe(this);
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return function () {
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refCount--;
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innerSub.unsubscribe();
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if (subscription && refCount === 0 && isComplete) {
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subscription.unsubscribe();
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}
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};
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};
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}
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;
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//# sourceMappingURL=shareReplay.js.map
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