# Code coverage report for RxJS/dist/cjs/operators/combineLatest-support.js

## Statements: 95.83% (69 / 72) Branches: 76.67% (23 / 30) Functions: 100% (12 / 12) Lines: 98.44% (63 / 64) Ignored: none

All files » RxJS/dist/cjs/operators/ » combineLatest-support.js

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    1'use strict';

    exports.__esModule = true;

    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);

    var CombineLatestOperator = (function () {
        function CombineLatestOperator(project) {
            _classCallCheck(this, CombineLatestOperator);

            this.project = project;
        }

        CombineLatestOperator.prototype.call = function call(subscriber) {
            return new CombineLatestSubscriber(subscriber, this.project);
        };

        return CombineLatestOperator;
    })();

    exports.CombineLatestOperator = CombineLatestOperator;

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

        function CombineLatestSubscriber(destination, project) {
            _classCallCheck(this, CombineLatestSubscriber);

            _OuterSubscriber.call(this, destination);
            this.project = project;
            this.active = 0;
            this.values = [];
            this.observables = [];
            this.toRespond = [];
        }

        CombineLatestSubscriber.prototype._next = function _next(observable) {
            var toRespond = this.toRespond;
            toRespond.push(toRespond.length);
            this.observables.push(observable);
        };

        CombineLatestSubscriber.prototype._complete = function _complete() {
            var observables = this.observables;
            var len = observables.length;
            Iif (len === 0) {
                this.destination.complete();
            } else {
                this.active = len;
                for (var i = 0; i < len; i++) {
                    var observable = observables[i];
                    this.add(_utilSubscribeToResult2['default'](this, observable, observable, i));
                }
            }
        };

        CombineLatestSubscriber.prototype.notifyComplete = function notifyComplete(innerSubscriber) {
            if ((this.active -= 1) === 0) {
                this.destination.complete();
            }
        };

        CombineLatestSubscriber.prototype.notifyNext = function notifyNext(observable, value, outerIndex, innerIndex) {
            var values = this.values;
            values[outerIndex] = value;
            var toRespond = this.toRespond;
            if (toRespond.length > 0) {
                var found = toRespond.indexOf(outerIndex);
                if (found !== -1) {
                    toRespond.splice(found, 1);
                }
            }
            if (toRespond.length === 0) {
                var project = this.project;
                var destination = this.destination;
                if (project) {
                    var result = _utilTryCatch2['default'](project).apply(this, values);
                    if (result === _utilErrorObject.errorObject) {
                        destination.error(_utilErrorObject.errorObject.e);
                    } else {
                        destination.next(result);
                    }
                } else {
                    destination.next(values);
                }
            }
        };

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

    exports.CombineLatestSubscriber = CombineLatestSubscriber;