# Code coverage report for RxJS/dist/cjs/operators/switch.js

## Statements: 96.43% (54 / 56) Branches: 76.92% (20 / 26) Functions: 100% (15 / 15) Lines: 100% (48 / 48) Ignored: none

All files » RxJS/dist/cjs/operators/ » switch.js

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    1'use strict';

    exports.__esModule = true;
    exports['default'] = _switch;

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

    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; }

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

    var _OuterSubscriber2 = require('../OuterSubscriber');

    var _OuterSubscriber3 = _interopRequireDefault(_OuterSubscriber2);

    var _utilSubscribeToResult = require('../util/subscribeToResult');

    var _utilSubscribeToResult2 = _interopRequireDefault(_utilSubscribeToResult);

    function _switch() {
        return this.lift(new SwitchOperator());
    }

    var SwitchOperator = (function () {
        function SwitchOperator() {
            _classCallCheck(this, SwitchOperator);
        }

        SwitchOperator.prototype.call = function call(subscriber) {
            return new SwitchSubscriber(subscriber);
        };

        return SwitchOperator;
    })();

    var SwitchSubscriber = (function (_OuterSubscriber) {
        _inherits(SwitchSubscriber, _OuterSubscriber);

        function SwitchSubscriber(destination) {
            _classCallCheck(this, SwitchSubscriber);

            _OuterSubscriber.call(this, destination);
            this.active = 0;
            this.hasCompleted = false;
        }

        SwitchSubscriber.prototype._next = function _next(value) {
            this.unsubscribeInner();
            this.active++;
            this.add(this.innerSubscription = _utilSubscribeToResult2['default'](this, value));
        };

        SwitchSubscriber.prototype._complete = function _complete() {
            this.hasCompleted = true;
            if (this.active === 0) {
                this.destination.complete();
            }
        };

        SwitchSubscriber.prototype.unsubscribeInner = function unsubscribeInner() {
            this.active = this.active > 0 ? this.active - 1 : 0;
            var innerSubscription = this.innerSubscription;
            if (innerSubscription) {
                innerSubscription.unsubscribe();
                this.remove(innerSubscription);
            }
        };

        SwitchSubscriber.prototype.notifyNext = function notifyNext(outerValue, innerValue) {
            this.destination.next(innerValue);
        };

        SwitchSubscriber.prototype.notifyError = function notifyError(err) {
            this.destination.error(err);
        };

        SwitchSubscriber.prototype.notifyComplete = function notifyComplete() {
            this.unsubscribeInner();
            if (this.hasCompleted && this.active === 0) {
                this.destination.complete();
            }
        };

        return SwitchSubscriber;
    })(_OuterSubscriber3['default']);

    module.exports = exports['default'];