@reactivex/rxjs/dist/es6/operator/timestamp.js

Reactive Extensions for modern JavaScript

import { Subscriber } from '../Subscriber';
import { async } from '../scheduler/async';
/**
 * @param scheduler
 * @return {Observable<Timestamp<any>>|WebSocketSubject<T>|Observable<T>}
 * @method timestamp
 * @owner Observable
 */
export function timestamp(scheduler) {
    if (scheduler === void 0) { scheduler = async; }
    return this.lift(new TimestampOperator(scheduler));
}
export var Timestamp = (function () {
    function Timestamp(value, timestamp) {
        this.value = value;
        this.timestamp = timestamp;
    }
    return Timestamp;
}());
;
var TimestampOperator = (function () {
    function TimestampOperator(scheduler) {
        this.scheduler = scheduler;
    }
    TimestampOperator.prototype.call = function (observer, source) {
        return source._subscribe(new TimestampSubscriber(observer, this.scheduler));
    };
    return TimestampOperator;
}());
var TimestampSubscriber = (function (_super) {
    __extends(TimestampSubscriber, _super);
    function TimestampSubscriber(destination, scheduler) {
        _super.call(this, destination);
        this.scheduler = scheduler;
    }
    TimestampSubscriber.prototype._next = function (value) {
        var now = this.scheduler.now();
        this.destination.next(new Timestamp(value, now));
    };
    return TimestampSubscriber;
}(Subscriber));
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