41 lines
1.1 KiB
TypeScript
41 lines
1.1 KiB
TypeScript
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/*
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Copyright 2024 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import { MonoTypeOperatorFunction, Subject, takeUntil } from "rxjs";
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/**
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* A scope which limits the execution lifetime of its bound Observables.
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*/
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export class ObservableScope {
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private readonly ended = new Subject<void>();
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/**
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* Binds an Observable to this scope, so that it completes when the scope
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* ends.
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*/
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public bind<T>(): MonoTypeOperatorFunction<T> {
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return takeUntil(this.ended);
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}
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/**
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* Ends the scope, causing any bound Observables to complete.
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*/
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public end(): void {
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this.ended.next();
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this.ended.complete();
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}
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}
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