source: trip-planner-front/node_modules/rxjs/internal/operators/windowWhen.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 Subject_1 = require("../Subject");
var OuterSubscriber_1 = require("../OuterSubscriber");
var subscribeToResult_1 = require("../util/subscribeToResult");
function windowWhen(closingSelector) {
    return function windowWhenOperatorFunction(source) {
        return source.lift(new WindowOperator(closingSelector));
    };
}
exports.windowWhen = windowWhen;
var WindowOperator = (function () {
    function WindowOperator(closingSelector) {
        this.closingSelector = closingSelector;
    }
    WindowOperator.prototype.call = function (subscriber, source) {
        return source.subscribe(new WindowSubscriber(subscriber, this.closingSelector));
    };
    return WindowOperator;
}());
var WindowSubscriber = (function (_super) {
    __extends(WindowSubscriber, _super);
    function WindowSubscriber(destination, closingSelector) {
        var _this = _super.call(this, destination) || this;
        _this.destination = destination;
        _this.closingSelector = closingSelector;
        _this.openWindow();
        return _this;
    }
    WindowSubscriber.prototype.notifyNext = function (_outerValue, _innerValue, _outerIndex, _innerIndex, innerSub) {
        this.openWindow(innerSub);
    };
    WindowSubscriber.prototype.notifyError = function (error) {
        this._error(error);
    };
    WindowSubscriber.prototype.notifyComplete = function (innerSub) {
        this.openWindow(innerSub);
    };
    WindowSubscriber.prototype._next = function (value) {
        this.window.next(value);
    };
    WindowSubscriber.prototype._error = function (err) {
        this.window.error(err);
        this.destination.error(err);
        this.unsubscribeClosingNotification();
    };
    WindowSubscriber.prototype._complete = function () {
        this.window.complete();
        this.destination.complete();
        this.unsubscribeClosingNotification();
    };
    WindowSubscriber.prototype.unsubscribeClosingNotification = function () {
        if (this.closingNotification) {
            this.closingNotification.unsubscribe();
        }
    };
    WindowSubscriber.prototype.openWindow = function (innerSub) {
        if (innerSub === void 0) { innerSub = null; }
        if (innerSub) {
            this.remove(innerSub);
            innerSub.unsubscribe();
        }
        var prevWindow = this.window;
        if (prevWindow) {
            prevWindow.complete();
        }
        var window = this.window = new Subject_1.Subject();
        this.destination.next(window);
        var closingNotifier;
        try {
            var closingSelector = this.closingSelector;
            closingNotifier = closingSelector();
        }
        catch (e) {
            this.destination.error(e);
            this.window.error(e);
            return;
        }
        this.add(this.closingNotification = subscribeToResult_1.subscribeToResult(this, closingNotifier));
    };
    return WindowSubscriber;
}(OuterSubscriber_1.OuterSubscriber));
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