# Code coverage report for RxJS/dist/cjs/observables/ConnectableObservable.js

## Statements: 96.39% (80 / 83) Branches: 68.75% (22 / 32) Functions: 100% (18 / 18) Lines: 98.67% (74 / 75) Ignored: none

All files » RxJS/dist/cjs/observables/ » ConnectableObservable.js

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    1'use strict';

    exports.__esModule = true;

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

    function _classCallCheck(instance, Constructor) { Iif (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }

    function _inherits(subClass, superClass) { Iif (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); Eif (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

    var _Observable3 = require('../Observable');

    var _Observable4 = _interopRequireDefault(_Observable3);

    var _Subscription3 = require('../Subscription');

    var _Subscription4 = _interopRequireDefault(_Subscription3);

    var ConnectableObservable = (function (_Observable) {
        _inherits(ConnectableObservable, _Observable);

        function ConnectableObservable(source, subjectFactory) {
            _classCallCheck(this, ConnectableObservable);

            _Observable.call(this);
            this.source = source;
            this.subjectFactory = subjectFactory;
        }

        ConnectableObservable.prototype._subscribe = function _subscribe(subscriber) {
            return this._getSubject().subscribe(subscriber);
        };

        ConnectableObservable.prototype._getSubject = function _getSubject() {
            var subject = this.subject;
            if (subject && !subject.isUnsubscribed) {
                return subject;
            }
            return this.subject = this.subjectFactory();
        };

        ConnectableObservable.prototype.connect = function connect() {
            var source = this.source;
            var subscription = this.subscription;
            Iif (subscription && !subscription.isUnsubscribed) {
                return subscription;
            }
            subscription = source.subscribe(this._getSubject());
            subscription.add(new ConnectableSubscription(this));
            return this.subscription = subscription;
        };

        ConnectableObservable.prototype.refCount = function refCount() {
            return new RefCountObservable(this);
        };

        return ConnectableObservable;
    })(_Observable4['default']);

    exports['default'] = ConnectableObservable;

    var ConnectableSubscription = (function (_Subscription) {
        _inherits(ConnectableSubscription, _Subscription);

        function ConnectableSubscription(connectable) {
            _classCallCheck(this, ConnectableSubscription);

            _Subscription.call(this);
            this.connectable = connectable;
        }

        ConnectableSubscription.prototype._unsubscribe = function _unsubscribe() {
            var connectable = this.connectable;
            connectable.subject = void 0;
            connectable.subscription = void 0;
            this.connectable = void 0;
        };

        return ConnectableSubscription;
    })(_Subscription4['default']);

    var RefCountObservable = (function (_Observable2) {
        _inherits(RefCountObservable, _Observable2);

        function RefCountObservable(connectable) {
            var refCount = arguments.length <= 1 || arguments[1] === undefined ? 0 : arguments[1];

            _classCallCheck(this, RefCountObservable);

            _Observable2.call(this);
            this.connectable = connectable;
            this.refCount = refCount;
        }

        RefCountObservable.prototype._subscribe = function _subscribe(subscriber) {
            var connectable = this.connectable;
            var subscription = connectable.subscribe(subscriber);
            if (++this.refCount === 1) {
                this.connection = connectable.connect();
            }
            subscription.add(new RefCountSubscription(this));
            return subscription;
        };

        return RefCountObservable;
    })(_Observable4['default']);

    var RefCountSubscription = (function (_Subscription2) {
        _inherits(RefCountSubscription, _Subscription2);

        function RefCountSubscription(refCountObservable) {
            _classCallCheck(this, RefCountSubscription);

            _Subscription2.call(this);
            this.refCountObservable = refCountObservable;
        }

        RefCountSubscription.prototype._unsubscribe = function _unsubscribe() {
            var observable = this.refCountObservable;
            if (--observable.refCount === 0) {
                observable.connection.unsubscribe();
                observable.connection = void 0;
            }
        };

        return RefCountSubscription;
    })(_Subscription4['default']);

    module.exports = exports['default'];