window.js 2.97 KB
"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 innerSubscribe_1 = require("../innerSubscribe");
function window(windowBoundaries) {
    return function windowOperatorFunction(source) {
        return source.lift(new WindowOperator(windowBoundaries));
    };
}
exports.window = window;
var WindowOperator = (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_1.innerSubscribe(this.windowBoundaries, new innerSubscribe_1.SimpleInnerSubscriber(windowSubscriber)));
        }
        return sourceSubscription;
    };
    return WindowOperator;
}());
var WindowSubscriber = (function (_super) {
    __extends(WindowSubscriber, _super);
    function WindowSubscriber(destination) {
        var _this = _super.call(this, destination) || this;
        _this.window = new Subject_1.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_1.Subject();
        destination.next(newWindow);
    };
    return WindowSubscriber;
}(innerSubscribe_1.SimpleOuterSubscriber));
//# sourceMappingURL=window.js.map