om/node_modules/rxjs/internal/operators/exhaust.js

"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 OuterSubscriber_1 = require("../OuterSubscriber");
var subscribeToResult_1 = require("../util/subscribeToResult");
function exhaust() {
    return function (source) { return source.lift(new SwitchFirstOperator()); };
}
exports.exhaust = exhaust;
var SwitchFirstOperator = (function () {
    function SwitchFirstOperator() {
    }
    SwitchFirstOperator.prototype.call = function (subscriber, source) {
        return source.subscribe(new SwitchFirstSubscriber(subscriber));
    };
    return SwitchFirstOperator;
}());
var SwitchFirstSubscriber = (function (_super) {
    __extends(SwitchFirstSubscriber, _super);
    function SwitchFirstSubscriber(destination) {
        var _this = _super.call(this, destination) || this;
        _this.hasCompleted = false;
        _this.hasSubscription = false;
        return _this;
    }
    SwitchFirstSubscriber.prototype._next = function (value) {
        if (!this.hasSubscription) {
            this.hasSubscription = true;
            this.add(subscribeToResult_1.subscribeToResult(this, value));
        }
    };
    SwitchFirstSubscriber.prototype._complete = function () {
        this.hasCompleted = true;
        if (!this.hasSubscription) {
            this.destination.complete();
        }
    };
    SwitchFirstSubscriber.prototype.notifyComplete = function (innerSub) {
        this.remove(innerSub);
        this.hasSubscription = false;
        if (this.hasCompleted) {
            this.destination.complete();
        }
    };
    return SwitchFirstSubscriber;
}(OuterSubscriber_1.OuterSubscriber));
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