source: trip-planner-front/node_modules/rxjs/internal/operators/sample.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 innerSubscribe_1 = require("../innerSubscribe");
function sample(notifier) {
    return function (source) { return source.lift(new SampleOperator(notifier)); };
}
exports.sample = sample;
var SampleOperator = (function () {
    function SampleOperator(notifier) {
        this.notifier = notifier;
    }
    SampleOperator.prototype.call = function (subscriber, source) {
        var sampleSubscriber = new SampleSubscriber(subscriber);
        var subscription = source.subscribe(sampleSubscriber);
        subscription.add(innerSubscribe_1.innerSubscribe(this.notifier, new innerSubscribe_1.SimpleInnerSubscriber(sampleSubscriber)));
        return subscription;
    };
    return SampleOperator;
}());
var SampleSubscriber = (function (_super) {
    __extends(SampleSubscriber, _super);
    function SampleSubscriber() {
        var _this = _super !== null && _super.apply(this, arguments) || this;
        _this.hasValue = false;
        return _this;
    }
    SampleSubscriber.prototype._next = function (value) {
        this.value = value;
        this.hasValue = true;
    };
    SampleSubscriber.prototype.notifyNext = function () {
        this.emitValue();
    };
    SampleSubscriber.prototype.notifyComplete = function () {
        this.emitValue();
    };
    SampleSubscriber.prototype.emitValue = function () {
        if (this.hasValue) {
            this.hasValue = false;
            this.destination.next(this.value);
        }
    };
    return SampleSubscriber;
}(innerSubscribe_1.SimpleOuterSubscriber));
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