source: trip-planner-front/node_modules/rxjs/internal/observable/race.js@ 6a80231

"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 (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    }
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
var isArray_1 = require("../util/isArray");
var fromArray_1 = require("./fromArray");
var OuterSubscriber_1 = require("../OuterSubscriber");
var subscribeToResult_1 = require("../util/subscribeToResult");
function race() {
    var observables = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        observables[_i] = arguments[_i];
    }
    if (observables.length === 1) {
        if (isArray_1.isArray(observables[0])) {
            observables = observables[0];
        }
        else {
            return observables[0];
        }
    }
    return fromArray_1.fromArray(observables, undefined).lift(new RaceOperator());
}
exports.race = race;
var RaceOperator = (function () {
    function RaceOperator() {
    }
    RaceOperator.prototype.call = function (subscriber, source) {
        return source.subscribe(new RaceSubscriber(subscriber));
    };
    return RaceOperator;
}());
exports.RaceOperator = RaceOperator;
var RaceSubscriber = (function (_super) {
    __extends(RaceSubscriber, _super);
    function RaceSubscriber(destination) {
        var _this = _super.call(this, destination) || this;
        _this.hasFirst = false;
        _this.observables = [];
        _this.subscriptions = [];
        return _this;
    }
    RaceSubscriber.prototype._next = function (observable) {
        this.observables.push(observable);
    };
    RaceSubscriber.prototype._complete = function () {
        var observables = this.observables;
        var len = observables.length;
        if (len === 0) {
            this.destination.complete();
        }
        else {
            for (var i = 0; i < len && !this.hasFirst; i++) {
                var observable = observables[i];
                var subscription = subscribeToResult_1.subscribeToResult(this, observable, undefined, i);
                if (this.subscriptions) {
                    this.subscriptions.push(subscription);
                }
                this.add(subscription);
            }
            this.observables = null;
        }
    };
    RaceSubscriber.prototype.notifyNext = function (_outerValue, innerValue, outerIndex) {
        if (!this.hasFirst) {
            this.hasFirst = true;
            for (var i = 0; i < this.subscriptions.length; i++) {
                if (i !== outerIndex) {
                    var subscription = this.subscriptions[i];
                    subscription.unsubscribe();
                    this.remove(subscription);
                }
            }
            this.subscriptions = null;
        }
        this.destination.next(innerValue);
    };
    return RaceSubscriber;
}(OuterSubscriber_1.OuterSubscriber));
exports.RaceSubscriber = RaceSubscriber;
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