+++ /dev/null
-import { Subscription } from '../Subscription';
-import { subscribeToResult } from '../util/subscribeToResult';
-import { OuterSubscriber } from '../OuterSubscriber';
-export function bufferToggle(openings, closingSelector) {
- return function bufferToggleOperatorFunction(source) {
- return source.lift(new BufferToggleOperator(openings, closingSelector));
- };
-}
-class BufferToggleOperator {
- constructor(openings, closingSelector) {
- this.openings = openings;
- this.closingSelector = closingSelector;
- }
- call(subscriber, source) {
- return source.subscribe(new BufferToggleSubscriber(subscriber, this.openings, this.closingSelector));
- }
-}
-class BufferToggleSubscriber extends OuterSubscriber {
- constructor(destination, openings, closingSelector) {
- super(destination);
- this.closingSelector = closingSelector;
- this.contexts = [];
- this.add(subscribeToResult(this, openings));
- }
- _next(value) {
- const contexts = this.contexts;
- const len = contexts.length;
- for (let i = 0; i < len; i++) {
- contexts[i].buffer.push(value);
- }
- }
- _error(err) {
- const contexts = this.contexts;
- while (contexts.length > 0) {
- const context = contexts.shift();
- context.subscription.unsubscribe();
- context.buffer = null;
- context.subscription = null;
- }
- this.contexts = null;
- super._error(err);
- }
- _complete() {
- const contexts = this.contexts;
- while (contexts.length > 0) {
- const context = contexts.shift();
- this.destination.next(context.buffer);
- context.subscription.unsubscribe();
- context.buffer = null;
- context.subscription = null;
- }
- this.contexts = null;
- super._complete();
- }
- notifyNext(outerValue, innerValue) {
- outerValue ? this.closeBuffer(outerValue) : this.openBuffer(innerValue);
- }
- notifyComplete(innerSub) {
- this.closeBuffer(innerSub.context);
- }
- openBuffer(value) {
- try {
- const closingSelector = this.closingSelector;
- const closingNotifier = closingSelector.call(this, value);
- if (closingNotifier) {
- this.trySubscribe(closingNotifier);
- }
- }
- catch (err) {
- this._error(err);
- }
- }
- closeBuffer(context) {
- const contexts = this.contexts;
- if (contexts && context) {
- const { buffer, subscription } = context;
- this.destination.next(buffer);
- contexts.splice(contexts.indexOf(context), 1);
- this.remove(subscription);
- subscription.unsubscribe();
- }
- }
- trySubscribe(closingNotifier) {
- const contexts = this.contexts;
- const buffer = [];
- const subscription = new Subscription();
- const context = { buffer, subscription };
- contexts.push(context);
- const innerSubscription = subscribeToResult(this, closingNotifier, context);
- if (!innerSubscription || innerSubscription.closed) {
- this.closeBuffer(context);
- }
- else {
- innerSubscription.context = context;
- this.add(innerSubscription);
- subscription.add(innerSubscription);
- }
- }
-}
-//# sourceMappingURL=bufferToggle.js.map
\ No newline at end of file