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/** PURE_IMPORTS_START tslib,_Subject,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */
import * as tslib_1 from "tslib";
import { Subject } from '../Subject';
import { OuterSubscriber } from '../OuterSubscriber';
import { subscribeToResult } from '../util/subscribeToResult';
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(subscribeToResult(windowSubscriber, this.windowBoundaries));
}
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 (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
this.openWindow();
};
WindowSubscriber.prototype.notifyError = function (error, innerSub) {
this._error(error);
};
WindowSubscriber.prototype.notifyComplete = function (innerSub) {
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;
}(OuterSubscriber));
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