node_modules/rxjs/dist/cjs/internal/observable/ConnectableObservable.js

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.ConnectableObservable = void 0;
var Observable_1 = require("../Observable");
var Subscription_1 = require("../Subscription");
var refCount_1 = require("../operators/refCount");
var OperatorSubscriber_1 = require("../operators/OperatorSubscriber");
var lift_1 = require("../util/lift");
var ConnectableObservable = (function (_super) {
    __extends(ConnectableObservable, _super);
    function ConnectableObservable(source, subjectFactory) {
        var _this = _super.call(this) || this;
        _this.source = source;
        _this.subjectFactory = subjectFactory;
        _this._subject = null;
        _this._refCount = 0;
        _this._connection = null;
        if (lift_1.hasLift(source)) {
            _this.lift = source.lift;
        }
        return _this;
    }
    ConnectableObservable.prototype._subscribe = function (subscriber) {
        return this.getSubject().subscribe(subscriber);
    };
    ConnectableObservable.prototype.getSubject = function () {
        var subject = this._subject;
        if (!subject || subject.isStopped) {
            this._subject = this.subjectFactory();
        }
        return this._subject;
    };
    ConnectableObservable.prototype._teardown = function () {
        this._refCount = 0;
        var _connection = this._connection;
        this._subject = this._connection = null;
        _connection === null || _connection === void 0 ? void 0 : _connection.unsubscribe();
    };
    ConnectableObservable.prototype.connect = function () {
        var _this = this;
        var connection = this._connection;
        if (!connection) {
            connection = this._connection = new Subscription_1.Subscription();
            var subject_1 = this.getSubject();
            connection.add(this.source.subscribe(OperatorSubscriber_1.createOperatorSubscriber(subject_1, undefined, function () {
                _this._teardown();
                subject_1.complete();
            }, function (err) {
                _this._teardown();
                subject_1.error(err);
            }, function () { return _this._teardown(); })));
            if (connection.closed) {
                this._connection = null;
                connection = Subscription_1.Subscription.EMPTY;
            }
        }
        return connection;
    };
    ConnectableObservable.prototype.refCount = function () {
        return refCount_1.refCount()(this);
    };
    return ConnectableObservable;
}(Observable_1.Observable));
exports.ConnectableObservable = ConnectableObservable;
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