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name : share.js
 "use strict";
var __read = (this && this.__read) || function (o, n) {
    var m = typeof Symbol === "function" && o[Symbol.iterator];
    if (!m) return o;
    var i = m.call(o), r, ar = [], e;
    try {
        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
    }
    catch (error) { e = { error: error }; }
    finally {
        try {
            if (r && !r.done && (m = i["return"])) m.call(i);
        }
        finally { if (e) throw e.error; }
    }
    return ar;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from) {
    for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)
        to[j] = from[i];
    return to;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.share = void 0;
var innerFrom_1 = require("../observable/innerFrom");
var Subject_1 = require("../Subject");
var Subscriber_1 = require("../Subscriber");
var lift_1 = require("../util/lift");
function share(options) {
    if (options === void 0) { options = {}; }
    var _a = options.connector, connector = _a === void 0 ? function () { return new Subject_1.Subject(); } : _a, _b = options.resetOnError, resetOnError = _b === void 0 ? true : _b, _c = options.resetOnComplete, resetOnComplete = _c === void 0 ? true : _c, _d = options.resetOnRefCountZero, resetOnRefCountZero = _d === void 0 ? true : _d;
    return function (wrapperSource) {
        var connection;
        var resetConnection;
        var subject;
        var refCount = 0;
        var hasCompleted = false;
        var hasErrored = false;
        var cancelReset = function () {
            resetConnection === null || resetConnection === void 0 ? void 0 : resetConnection.unsubscribe();
            resetConnection = undefined;
        };
        var reset = function () {
            cancelReset();
            connection = subject = undefined;
            hasCompleted = hasErrored = false;
        };
        var resetAndUnsubscribe = function () {
            var conn = connection;
            reset();
            conn === null || conn === void 0 ? void 0 : conn.unsubscribe();
        };
        return lift_1.operate(function (source, subscriber) {
            refCount++;
            if (!hasErrored && !hasCompleted) {
                cancelReset();
            }
            var dest = (subject = subject !== null && subject !== void 0 ? subject : connector());
            subscriber.add(function () {
                refCount--;
                if (refCount === 0 && !hasErrored && !hasCompleted) {
                    resetConnection = handleReset(resetAndUnsubscribe, resetOnRefCountZero);
                }
            });
            dest.subscribe(subscriber);
            if (!connection &&
                refCount > 0) {
                connection = new Subscriber_1.SafeSubscriber({
                    next: function (value) { return dest.next(value); },
                    error: function (err) {
                        hasErrored = true;
                        cancelReset();
                        resetConnection = handleReset(reset, resetOnError, err);
                        dest.error(err);
                    },
                    complete: function () {
                        hasCompleted = true;
                        cancelReset();
                        resetConnection = handleReset(reset, resetOnComplete);
                        dest.complete();
                    },
                });
                innerFrom_1.innerFrom(source).subscribe(connection);
            }
        })(wrapperSource);
    };
}
exports.share = share;
function handleReset(reset, on) {
    var args = [];
    for (var _i = 2; _i < arguments.length; _i++) {
        args[_i - 2] = arguments[_i];
    }
    if (on === true) {
        reset();
        return;
    }
    if (on === false) {
        return;
    }
    var onSubscriber = new Subscriber_1.SafeSubscriber({
        next: function () {
            onSubscriber.unsubscribe();
            reset();
        },
    });
    return innerFrom_1.innerFrom(on.apply(void 0, __spreadArray([], __read(args)))).subscribe(onSubscriber);
}
//# sourceMappingURL=share.js.map
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