Code coverage report for RxJS/dist/cjs/operators/switchMap.js

Statements: 94.67% (71 / 75)      Branches: 75% (24 / 32)      Functions: 100% (14 / 14)      Lines: 97.01% (65 / 67)      Ignored: none     

All files » RxJS/dist/cjs/operators/ » switchMap.js
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'use strict';
 
exports.__esModule = true;
exports['default'] = switchMap;
 
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 _utilTryCatch = require('../util/tryCatch');
 
var _utilTryCatch2 = _interopRequireDefault(_utilTryCatch);
 
var _utilErrorObject = require('../util/errorObject');
 
var _OuterSubscriber2 = require('../OuterSubscriber');
 
var _OuterSubscriber3 = _interopRequireDefault(_OuterSubscriber2);
 
var _utilSubscribeToResult = require('../util/subscribeToResult');
 
var _utilSubscribeToResult2 = _interopRequireDefault(_utilSubscribeToResult);
 
function switchMap(project, resultSelector) {
    return this.lift(new SwitchMapOperator(project, resultSelector));
}
 
var SwitchMapOperator = (function () {
    function SwitchMapOperator(project, resultSelector) {
        _classCallCheck(this, SwitchMapOperator);
 
        this.project = project;
        this.resultSelector = resultSelector;
    }
 
    SwitchMapOperator.prototype.call = function call(subscriber) {
        return new SwitchMapSubscriber(subscriber, this.project, this.resultSelector);
    };
 
    return SwitchMapOperator;
})();
 
var SwitchMapSubscriber = (function (_OuterSubscriber) {
    _inherits(SwitchMapSubscriber, _OuterSubscriber);
 
    function SwitchMapSubscriber(destination, project, resultSelector) {
        _classCallCheck(this, SwitchMapSubscriber);
 
        _OuterSubscriber.call(this, destination);
        this.project = project;
        this.resultSelector = resultSelector;
        this.hasCompleted = false;
        this.index = 0;
    }
 
    SwitchMapSubscriber.prototype._next = function _next(value) {
        var index = this.index++;
        var destination = this.destination;
        var result = _utilTryCatch2['default'](this.project)(value, index);
        Iif (result === _utilErrorObject.errorObject) {
            destination.error(result.e);
        } else {
            var innerSubscription = this.innerSubscription;
            if (innerSubscription) {
                innerSubscription.unsubscribe();
            }
            this.add(this.innerSubscription = _utilSubscribeToResult2['default'](this, result, value, index));
        }
    };
 
    SwitchMapSubscriber.prototype._complete = function _complete() {
        var innerSubscription = this.innerSubscription;
        this.hasCompleted = true;
        if (!innerSubscription || innerSubscription.isUnsubscribed) {
            this.destination.complete();
        }
    };
 
    SwitchMapSubscriber.prototype.notifyComplete = function notifyComplete(innerSub) {
        this.remove(innerSub);
        var prevSubscription = this.innerSubscription;
        if (prevSubscription) {
            prevSubscription.unsubscribe();
        }
        this.innerSubscription = null;
        if (this.hasCompleted) {
            this.destination.complete();
        }
    };
 
    SwitchMapSubscriber.prototype.notifyError = function notifyError(err) {
        this.destination.error(err);
    };
 
    SwitchMapSubscriber.prototype.notifyNext = function notifyNext(outerValue, innerValue, outerIndex, innerIndex) {
        var resultSelector = this.resultSelector;
        var destination = this.destination;
 
        if (resultSelector) {
            var result = _utilTryCatch2['default'](resultSelector)(outerValue, innerValue, outerIndex, innerIndex);
            Iif (result === _utilErrorObject.errorObject) {
                destination.error(_utilErrorObject.errorObject.e);
            } else {
                destination.next(result);
            }
        } else {
            destination.next(innerValue);
        }
    };
 
    return SwitchMapSubscriber;
})(_OuterSubscriber3['default']);
 
module.exports = exports['default'];