[6a3a178] | 1 | /** PURE_IMPORTS_START tslib,_Subscription,_innerSubscribe PURE_IMPORTS_END */
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| 2 | import * as tslib_1 from "tslib";
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| 3 | import { Subscription } from '../Subscription';
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| 4 | import { SimpleOuterSubscriber, innerSubscribe, SimpleInnerSubscriber } from '../innerSubscribe';
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| 5 | export function bufferWhen(closingSelector) {
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| 6 | return function (source) {
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| 7 | return source.lift(new BufferWhenOperator(closingSelector));
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| 8 | };
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| 9 | }
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| 10 | var BufferWhenOperator = /*@__PURE__*/ (function () {
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| 11 | function BufferWhenOperator(closingSelector) {
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| 12 | this.closingSelector = closingSelector;
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| 13 | }
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| 14 | BufferWhenOperator.prototype.call = function (subscriber, source) {
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| 15 | return source.subscribe(new BufferWhenSubscriber(subscriber, this.closingSelector));
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| 16 | };
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| 17 | return BufferWhenOperator;
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| 18 | }());
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| 19 | var BufferWhenSubscriber = /*@__PURE__*/ (function (_super) {
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| 20 | tslib_1.__extends(BufferWhenSubscriber, _super);
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| 21 | function BufferWhenSubscriber(destination, closingSelector) {
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| 22 | var _this = _super.call(this, destination) || this;
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| 23 | _this.closingSelector = closingSelector;
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| 24 | _this.subscribing = false;
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| 25 | _this.openBuffer();
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| 26 | return _this;
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| 27 | }
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| 28 | BufferWhenSubscriber.prototype._next = function (value) {
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| 29 | this.buffer.push(value);
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| 30 | };
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| 31 | BufferWhenSubscriber.prototype._complete = function () {
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| 32 | var buffer = this.buffer;
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| 33 | if (buffer) {
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| 34 | this.destination.next(buffer);
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| 35 | }
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| 36 | _super.prototype._complete.call(this);
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| 37 | };
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| 38 | BufferWhenSubscriber.prototype._unsubscribe = function () {
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| 39 | this.buffer = undefined;
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| 40 | this.subscribing = false;
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| 41 | };
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| 42 | BufferWhenSubscriber.prototype.notifyNext = function () {
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| 43 | this.openBuffer();
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| 44 | };
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| 45 | BufferWhenSubscriber.prototype.notifyComplete = function () {
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| 46 | if (this.subscribing) {
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| 47 | this.complete();
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| 48 | }
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| 49 | else {
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| 50 | this.openBuffer();
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| 51 | }
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| 52 | };
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| 53 | BufferWhenSubscriber.prototype.openBuffer = function () {
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| 54 | var closingSubscription = this.closingSubscription;
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| 55 | if (closingSubscription) {
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| 56 | this.remove(closingSubscription);
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| 57 | closingSubscription.unsubscribe();
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| 58 | }
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| 59 | var buffer = this.buffer;
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| 60 | if (this.buffer) {
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| 61 | this.destination.next(buffer);
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| 62 | }
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| 63 | this.buffer = [];
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| 64 | var closingNotifier;
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| 65 | try {
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| 66 | var closingSelector = this.closingSelector;
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| 67 | closingNotifier = closingSelector();
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| 68 | }
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| 69 | catch (err) {
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| 70 | return this.error(err);
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| 71 | }
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| 72 | closingSubscription = new Subscription();
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| 73 | this.closingSubscription = closingSubscription;
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| 74 | this.add(closingSubscription);
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| 75 | this.subscribing = true;
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| 76 | closingSubscription.add(innerSubscribe(closingNotifier, new SimpleInnerSubscriber(this)));
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| 77 | this.subscribing = false;
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| 78 | };
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| 79 | return BufferWhenSubscriber;
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| 80 | }(SimpleOuterSubscriber));
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| 81 | //# sourceMappingURL=bufferWhen.js.map
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