Function: useAtom()#

function useAtom<TValue>(atom, options?): [TValue, (fn) => void & (value) => void];

Defined in: node_modules/.pnpm/@tanstack+react-store@0.11.0_react-dom@19.2.8_react@19.2.8__react@19.2.8/node_modules/@tanstack/react-store/dist/useAtom.d.ts:16

Returns the current atom value together with a stable setter.

This is the writable-atom convenience hook for components that need to both read and update the same atom.

Type Parameters#

TValue#

TValue

Parameters#

atom#

Atom<TValue>

options?#

UseSelectorOptions<TValue>

Returns#

[TValue, (fn) => void & (value) => void]

Example#

const [count, setCount] = useAtom(countAtom)