From 4941de8cb93514d4cf3a4a8ae5ad33820e54bac5 Mon Sep 17 00:00:00 2001
From: ssi02014 <ssi02014@naver.com>
Date: Fri, 26 Jan 2024 00:44:16 +0900
Subject: [PATCH 1/2] refactor: refactoring SetAtom type

---
 src/react/useAtom.ts    | 2 +-
 src/react/useSetAtom.ts | 6 +++---
 src/vanilla/atom.ts     | 6 ++----
 3 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/src/react/useAtom.ts b/src/react/useAtom.ts
index 19373c6b1b..4588151549 100644
--- a/src/react/useAtom.ts
+++ b/src/react/useAtom.ts
@@ -8,7 +8,7 @@ import type {
 import { useAtomValue } from './useAtomValue.ts'
 import { useSetAtom } from './useSetAtom.ts'
 
-type SetAtom<Args extends any[], Result> = (...args: Args) => Result
+type SetAtom<Args extends unknown[], Result> = (...args: Args) => Result
 
 type Options = Parameters<typeof useAtomValue>[1]
 
diff --git a/src/react/useSetAtom.ts b/src/react/useSetAtom.ts
index f7c360936e..6bb5a16131 100644
--- a/src/react/useSetAtom.ts
+++ b/src/react/useSetAtom.ts
@@ -6,14 +6,14 @@ import type {
 } from '../vanilla.ts'
 import { useStore } from './Provider.ts'
 
-type SetAtom<Args extends any[], Result> = (...args: Args) => Result
+type SetAtom<Args extends unknown[], Result> = (...args: Args) => Result
 type Store = ReturnType<typeof useStore>
 
 type Options = {
   store?: Store
 }
 
-export function useSetAtom<Value, Args extends any[], Result>(
+export function useSetAtom<Value, Args extends unknown[], Result>(
   atom: WritableAtom<Value, Args, Result>,
   options?: Options,
 ): SetAtom<Args, Result>
@@ -23,7 +23,7 @@ export function useSetAtom<AtomType extends WritableAtom<any, any[], any>>(
   options?: Options,
 ): SetAtom<ExtractAtomArgs<AtomType>, ExtractAtomResult<AtomType>>
 
-export function useSetAtom<Value, Args extends any[], Result>(
+export function useSetAtom<Value, Args extends unknown[], Result>(
   atom: WritableAtom<Value, Args, Result>,
   options?: Options,
 ) {
diff --git a/src/vanilla/atom.ts b/src/vanilla/atom.ts
index b2cfcba268..05022b88e6 100644
--- a/src/vanilla/atom.ts
+++ b/src/vanilla/atom.ts
@@ -5,9 +5,7 @@ type Setter = <Value, Args extends unknown[], Result>(
   ...args: Args
 ) => Result
 
-type SetAtom<Args extends unknown[], Result> = <A extends Args>(
-  ...args: A
-) => Result
+type SetAtom<Args extends unknown[], Result> = (...args: Args) => Result
 
 /**
  * setSelf is for internal use only and subject to change without notice.
@@ -93,7 +91,7 @@ export function atom<Value, Args extends unknown[], Result>(
   const key = `atom${++keyCount}`
   const config = {
     toString: () => key,
-  } as WritableAtom<Value, Args, Result> & { init?: Value }
+  } as WritableAtom<Value, Args, Result> & Partial<WithInitialValue<Value>>
   if (typeof read === 'function') {
     config.read = read as Read<Value, SetAtom<Args, Result>>
   } else {

From 1eb63f21b3f862881239e8147083d6a30de6c4d8 Mon Sep 17 00:00:00 2001
From: ssi02014 <ssi02014@naver.com>
Date: Fri, 26 Jan 2024 01:45:47 +0900
Subject: [PATCH 2/2] revert: revert the SetAtom type inside an atom

---
 src/react/useAtom.ts | 4 ++--
 src/vanilla/atom.ts  | 6 ++++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/react/useAtom.ts b/src/react/useAtom.ts
index 4588151549..9cebe9a1ee 100644
--- a/src/react/useAtom.ts
+++ b/src/react/useAtom.ts
@@ -12,7 +12,7 @@ type SetAtom<Args extends unknown[], Result> = (...args: Args) => Result
 
 type Options = Parameters<typeof useAtomValue>[1]
 
-export function useAtom<Value, Args extends any[], Result>(
+export function useAtom<Value, Args extends unknown[], Result>(
   atom: WritableAtom<Value, Args, Result>,
   options?: Options,
 ): [Awaited<Value>, SetAtom<Args, Result>]
@@ -35,7 +35,7 @@ export function useAtom<AtomType extends Atom<any>>(
   options?: Options,
 ): [Awaited<ExtractAtomValue<AtomType>>, never]
 
-export function useAtom<Value, Args extends any[], Result>(
+export function useAtom<Value, Args extends unknown[], Result>(
   atom: Atom<Value> | WritableAtom<Value, Args, Result>,
   options?: Options,
 ) {
diff --git a/src/vanilla/atom.ts b/src/vanilla/atom.ts
index 05022b88e6..b2cfcba268 100644
--- a/src/vanilla/atom.ts
+++ b/src/vanilla/atom.ts
@@ -5,7 +5,9 @@ type Setter = <Value, Args extends unknown[], Result>(
   ...args: Args
 ) => Result
 
-type SetAtom<Args extends unknown[], Result> = (...args: Args) => Result
+type SetAtom<Args extends unknown[], Result> = <A extends Args>(
+  ...args: A
+) => Result
 
 /**
  * setSelf is for internal use only and subject to change without notice.
@@ -91,7 +93,7 @@ export function atom<Value, Args extends unknown[], Result>(
   const key = `atom${++keyCount}`
   const config = {
     toString: () => key,
-  } as WritableAtom<Value, Args, Result> & Partial<WithInitialValue<Value>>
+  } as WritableAtom<Value, Args, Result> & { init?: Value }
   if (typeof read === 'function') {
     config.read = read as Read<Value, SetAtom<Args, Result>>
   } else {