om/node_modules/rxjs/internal/operators/shareReplay.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var ReplaySubject_1 = require("../ReplaySubject");
function shareReplay(bufferSize, windowTime, scheduler) {
    if (bufferSize === void 0) { bufferSize = Number.POSITIVE_INFINITY; }
    if (windowTime === void 0) { windowTime = Number.POSITIVE_INFINITY; }
    return function (source) { return source.lift(shareReplayOperator(bufferSize, windowTime, scheduler)); };
}
exports.shareReplay = shareReplay;
function shareReplayOperator(bufferSize, windowTime, scheduler) {
    var subject;
    var refCount = 0;
    var subscription;
    var hasError = false;
    var isComplete = false;
    return function shareReplayOperation(source) {
        refCount++;
        if (!subject || hasError) {
            hasError = false;
            subject = new ReplaySubject_1.ReplaySubject(bufferSize, windowTime, scheduler);
            subscription = source.subscribe({
                next: function (value) { subject.next(value); },
                error: function (err) {
                    hasError = true;
                    subject.error(err);
                },
                complete: function () {
                    isComplete = true;
                    subject.complete();
                },
            });
        }
        var innerSub = subject.subscribe(this);
        return function () {
            refCount--;
            innerSub.unsubscribe();
            if (subscription && refCount === 0 && isComplete) {
                subscription.unsubscribe();
            }
        };
    };
}
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