mirror of
https://github.com/vector-im/element-call.git
synced 2026-10-16 23:45:50 +00:00
Timo K.
31eafb394b
They are copied for now but will be removed from element call once it adopts the sdk. Those are no real line additions.
30 lines
858 B
TypeScript
30 lines
858 B
TypeScript
/*
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Copyright 2025 New Vector Ltd.
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SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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Please see LICENSE in the repository root for full details.
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*/
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import { BehaviorSubject } from "rxjs";
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/**
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* A stateful, read-only reactive value. As an Observable, it is "hot" and
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* always replays the current value upon subscription.
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*
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* A Behavior is to BehaviorSubject what Observable is to Subject; it does not
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* provide a way to imperatively set new values. For more info on the
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* distinction between Behaviors and Observables, see
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* https://monoid.dk/post/behaviors-and-streams-why-both/.
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*/
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export type Behavior<T> = Omit<
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BehaviorSubject<T>,
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"next" | "observers" | "error"
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>;
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/**
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* Creates a Behavior which never changes in value.
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*/
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export function constant<T>(value: T): Behavior<T> {
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return new BehaviorSubject(value);
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}
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