useAtom

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

Defined in: useAtom.ts:18

Returns the current atom holder together with a setter.

Use this when a component needs to both read and update the same writable atom.

Type Parameters#

TValue#

TValue

Parameters#

atom#

Atom<TValue>

options?#

UseSelectorOptions<TValue>

Returns#

[{ current: TValue; }, (fn) => void & (value) => void]

Example#

const [count, setCount] = useAtom(countAtom)
setCount((prev) => prev + 1)
console.log(count.current)