useAtom

Function: useAtom()

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

Defined in: svelte-store/src/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

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