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import { useCallback } from 'react'import { useAtom } from 'jotai'import type { PrimitiveAtom } from 'jotai'
type Scope = NonNullable<Parameters<typeof useAtom>[1]>
/* this doesn't seem to work as expected in TS4.1export function useReducerAtom<Value, Action>(  anAtom: PrimitiveAtom<Value>,  reducer: (v: Value) => Value): [Value, () => void]*/
export function useReducerAtom<Value, Action>(  anAtom: PrimitiveAtom<Value>,  reducer: (v: Value, a?: Action) => Value,  scope?: Scope): [Value, (action?: Action) => void]
export function useReducerAtom<Value, Action>(  anAtom: PrimitiveAtom<Value>,  reducer: (v: Value, a: Action) => Value,  scope?: Scope): [Value, (action: Action) => void]
export function useReducerAtom<Value, Action>(  anAtom: PrimitiveAtom<Value>,  reducer: (v: Value, a: Action) => Value,  scope?: Scope) {  const [state, setState] = useAtom(anAtom, scope)  const dispatch = useCallback(    (action: Action) => {      setState((prev) => reducer(prev, action))    },    [setState, reducer]  )  return [state, dispatch]}