Swap order of function member in hook union types

facebook · Oct 29, 2018 · 5045763 · 5045763
1 parent ddbfe2e
commit 5045763
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Showing 3 changed files with 5 additions and 5 deletions.
diff --git a/packages/react-dom/src/server/ReactPartialRendererHooks.js b/packages/react-dom/src/server/ReactPartialRendererHooks.js
@@ -11,7 +11,7 @@ import type {ReactContext} from 'shared/ReactTypes';
 import invariant from 'shared/invariant';
 import warning from 'shared/warning';
 
-type BasicStateAction<S> = S | (S => S);
+type BasicStateAction<S> = (S => S) | S;
 type MaybeCallback<S> = void | null | (S => mixed);
 type Dispatch<S, A> = (A, MaybeCallback<S>) => void;
 
@@ -158,7 +158,7 @@ function basicStateReducer<S>(state: S, action: BasicStateAction<S>): S {
 }
 
 export function useState<S>(
-  initialState: S | (() => S),
+  initialState: (() => S) | S,
 ): [S, Dispatch<S, BasicStateAction<S>>] {
   return useReducer(
     basicStateReducer,

diff --git a/packages/react-reconciler/src/ReactFiberHooks.js b/packages/react-reconciler/src/ReactFiberHooks.js
@@ -75,7 +75,7 @@ export type FunctionComponentUpdateQueue = {
   lastEffect: Effect | null,
 };
 
-type BasicStateAction<S> = S | (S => S);
+type BasicStateAction<S> = (S => S) | S;
 
 type MaybeCallback<S> = void | null | (S => mixed);
 
@@ -332,7 +332,7 @@ export function useContext<T>(
 }
 
 export function useState<S>(
-  initialState: S | (() => S),
+  initialState: (() => S) | S,
 ): [S, Dispatch<S, BasicStateAction<S>>] {
   return useReducer(
     basicStateReducer,

diff --git a/packages/react/src/ReactHooks.js b/packages/react/src/ReactHooks.js
@@ -51,7 +51,7 @@ export function useContext<T>(
   return dispatcher.useContext(Context, observedBits);
 }
 
-export function useState<S>(initialState: S | (() => S)) {
+export function useState<S>(initialState: (() => S) | S) {
   const dispatcher = resolveDispatcher();
   return dispatcher.useState(initialState);
 }