isObservableBox

isObservableBox() returns true when the value is an observableBox().

Signature

function isObservableBox(value: unknown): boolean

Basic usage

import { computed, isObservableBox, observableBox } from "@fobx/core"

isObservableBox(observableBox(1)) // true
isObservableBox(computed(() => 1)) // false

Related API

Use isObservable() for a broader check that also matches computeds and observable collections.