feat(overmind-react): support fast refresh

Author: christianalfoni

packages/node_modules/overmind-react/src/index.ts

@@ -73,7 +73,8 @@ export const createHook = <Config extends IConfiguration>(): (() => {
   }
   const useForceRerender = () => {
     const [flushId, setState] = react.useState(() => -1)
-    const mountedRef = react.useRef(true)
+    // We use memo here, instead of ref, to support fast-refresh
+    const mountedRef = react.useMemo(() => ({ current: true}), [])
 
     react.useEffect(
       () => () => {
@@ -109,8 +110,9 @@ export const createHook = <Config extends IConfiguration>(): (() => {
         reaction: overmind.reaction,
       }
     }
-    const [tree] = react.useState<any>(() =>
-      (overmind as any).proxyStateTree.getTrackStateTree()
+
+    const tree = react.useMemo<any>(() =>
+      (overmind as any).proxyStateTree.getTrackStateTree(), []
     )
 
     if (IS_PRODUCTION) {