source: trip-planner-front/node_modules/rxjs/_esm2015/internal/operators/shareReplay.js

import { ReplaySubject } from '../ReplaySubject';
export function shareReplay(configOrBufferSize, windowTime, scheduler) {
    let config;
    if (configOrBufferSize && typeof configOrBufferSize === 'object') {
        config = configOrBufferSize;
    }
    else {
        config = {
            bufferSize: configOrBufferSize,
            windowTime,
            refCount: false,
            scheduler,
        };
    }
    return (source) => source.lift(shareReplayOperator(config));
}
function shareReplayOperator({ bufferSize = Number.POSITIVE_INFINITY, windowTime = Number.POSITIVE_INFINITY, refCount: useRefCount, scheduler, }) {
    let subject;
    let refCount = 0;
    let subscription;
    let hasError = false;
    let isComplete = false;
    return function shareReplayOperation(source) {
        refCount++;
        let innerSub;
        if (!subject || hasError) {
            hasError = false;
            subject = new ReplaySubject(bufferSize, windowTime, scheduler);
            innerSub = subject.subscribe(this);
            subscription = source.subscribe({
                next(value) {
                    subject.next(value);
                },
                error(err) {
                    hasError = true;
                    subject.error(err);
                },
                complete() {
                    isComplete = true;
                    subscription = undefined;
                    subject.complete();
                },
            });
            if (isComplete) {
                subscription = undefined;
            }
        }
        else {
            innerSub = subject.subscribe(this);
        }
        this.add(() => {
            refCount--;
            innerSub.unsubscribe();
            innerSub = undefined;
            if (subscription && !isComplete && useRefCount && refCount === 0) {
                subscription.unsubscribe();
                subscription = undefined;
                subject = undefined;
            }
        });
    };
}
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