feat: getInitialState

src/react.ts

@@ -107,8 +107,13 @@ const createImpl = <T>(createState: StateCreator<T, [], []>) => {
       "[DEPRECATED] Passing a vanilla store will be unsupported in a future version. Instead use `import { useStore } from 'zustand'`.",
     )
   }
-  const api =
+  const api = (
     typeof createState === 'function' ? createStore(createState) : createState
+  ) as WithReact<StoreApi<T>>
+
+  const defaultState = api.getState()
+
+  api.getServerState = () => defaultState
 
   const useBoundStore: any = (selector?: any, equalityFn?: any) =>
     useStore(api, selector, equalityFn)

tests/basic.test.tsx

@@ -31,6 +31,7 @@ it('creates a store hook and api object', () => {
         [Function],
         {
           "destroy": [Function],
+          "getServerState": [Function],
           "getState": [Function],
           "setState": [Function],
           "subscribe": [Function],