83 lines
3 KiB
JavaScript
83 lines
3 KiB
JavaScript
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/** PURE_IMPORTS_START tslib,_Subscription,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */
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import * as tslib_1 from "tslib";
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import { Subscription } from '../Subscription';
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import { OuterSubscriber } from '../OuterSubscriber';
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import { subscribeToResult } from '../util/subscribeToResult';
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export function bufferWhen(closingSelector) {
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return function (source) {
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return source.lift(new BufferWhenOperator(closingSelector));
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};
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}
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var BufferWhenOperator = /*@__PURE__*/ (function () {
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function BufferWhenOperator(closingSelector) {
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this.closingSelector = closingSelector;
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}
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BufferWhenOperator.prototype.call = function (subscriber, source) {
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return source.subscribe(new BufferWhenSubscriber(subscriber, this.closingSelector));
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};
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return BufferWhenOperator;
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}());
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var BufferWhenSubscriber = /*@__PURE__*/ (function (_super) {
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tslib_1.__extends(BufferWhenSubscriber, _super);
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function BufferWhenSubscriber(destination, closingSelector) {
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var _this = _super.call(this, destination) || this;
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_this.closingSelector = closingSelector;
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_this.subscribing = false;
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_this.openBuffer();
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return _this;
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}
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BufferWhenSubscriber.prototype._next = function (value) {
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this.buffer.push(value);
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};
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BufferWhenSubscriber.prototype._complete = function () {
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var buffer = this.buffer;
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if (buffer) {
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this.destination.next(buffer);
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}
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_super.prototype._complete.call(this);
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};
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BufferWhenSubscriber.prototype._unsubscribe = function () {
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this.buffer = null;
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this.subscribing = false;
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};
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BufferWhenSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
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this.openBuffer();
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};
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BufferWhenSubscriber.prototype.notifyComplete = function () {
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if (this.subscribing) {
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this.complete();
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}
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else {
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this.openBuffer();
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}
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};
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BufferWhenSubscriber.prototype.openBuffer = function () {
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var closingSubscription = this.closingSubscription;
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if (closingSubscription) {
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this.remove(closingSubscription);
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closingSubscription.unsubscribe();
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}
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var buffer = this.buffer;
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if (this.buffer) {
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this.destination.next(buffer);
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}
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this.buffer = [];
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var closingNotifier;
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try {
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var closingSelector = this.closingSelector;
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closingNotifier = closingSelector();
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}
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catch (err) {
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return this.error(err);
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}
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closingSubscription = new Subscription();
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this.closingSubscription = closingSubscription;
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this.add(closingSubscription);
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this.subscribing = true;
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closingSubscription.add(subscribeToResult(this, closingNotifier));
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this.subscribing = false;
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};
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return BufferWhenSubscriber;
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}(OuterSubscriber));
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//# sourceMappingURL=bufferWhen.js.map
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