source: trip-planner-front/node_modules/rxjs/_esm5/internal/operators/window.js@ 8d391a1

/** PURE_IMPORTS_START tslib,_Subject,_innerSubscribe PURE_IMPORTS_END */
import * as tslib_1 from "tslib";
import { Subject } from '../Subject';
import { SimpleOuterSubscriber, innerSubscribe, SimpleInnerSubscriber } from '../innerSubscribe';
export function window(windowBoundaries) {
    return function windowOperatorFunction(source) {
        return source.lift(new WindowOperator(windowBoundaries));
    };
}
var WindowOperator = /*@__PURE__*/ (function () {
    function WindowOperator(windowBoundaries) {
        this.windowBoundaries = windowBoundaries;
    }
    WindowOperator.prototype.call = function (subscriber, source) {
        var windowSubscriber = new WindowSubscriber(subscriber);
        var sourceSubscription = source.subscribe(windowSubscriber);
        if (!sourceSubscription.closed) {
            windowSubscriber.add(innerSubscribe(this.windowBoundaries, new SimpleInnerSubscriber(windowSubscriber)));
        }
        return sourceSubscription;
    };
    return WindowOperator;
}());
var WindowSubscriber = /*@__PURE__*/ (function (_super) {
    tslib_1.__extends(WindowSubscriber, _super);
    function WindowSubscriber(destination) {
        var _this = _super.call(this, destination) || this;
        _this.window = new Subject();
        destination.next(_this.window);
        return _this;
    }
    WindowSubscriber.prototype.notifyNext = function () {
        this.openWindow();
    };
    WindowSubscriber.prototype.notifyError = function (error) {
        this._error(error);
    };
    WindowSubscriber.prototype.notifyComplete = function () {
        this._complete();
    };
    WindowSubscriber.prototype._next = function (value) {
        this.window.next(value);
    };
    WindowSubscriber.prototype._error = function (err) {
        this.window.error(err);
        this.destination.error(err);
    };
    WindowSubscriber.prototype._complete = function () {
        this.window.complete();
        this.destination.complete();
    };
    WindowSubscriber.prototype._unsubscribe = function () {
        this.window = null;
    };
    WindowSubscriber.prototype.openWindow = function () {
        var prevWindow = this.window;
        if (prevWindow) {
            prevWindow.complete();
        }
        var destination = this.destination;
        var newWindow = this.window = new Subject();
        destination.next(newWindow);
    };
    return WindowSubscriber;
}(SimpleOuterSubscriber));
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