refactor: remove useStore function & error check

Author: animify

example/App.tsx

@@ -1,7 +1,7 @@
 import React from 'react';
 import { createStore } from 'redux';
-import Comp from './Comp';
-import { RestateProvider } from '../src';
+import Count from './Count';
+import { RestateProvider } from 'use-restate';
 
 const Actions = {
     INCREMENT: 'INCREMENT',
@@ -28,7 +28,7 @@ const store = createStore(Reducer, { count: 3 });
 export default function App() {
     return (
         <RestateProvider value={store}>
-            <Comp />
+            <Count />
         </RestateProvider>
     );
 }

example/Count.tsx

@@ -0,0 +1,21 @@
+import React from 'react';
+import { useRestate, useAction, useDispatch } from 'use-restate';
+
+export default function Component() {
+    const dispatch = useDispatch();
+    const { count } = useRestate((state: { count: number }) => {
+        return { count: state.count };
+    });
+
+    const incrementAction = { type: 'INCREMENT' };
+    const derementAction = { type: 'DECREMENT' };
+    const increment = useAction(incrementAction);
+
+    return (
+        <div>
+            <p>{count}</p>
+            <a onClick={increment}>Increment count</a>
+            <a onClick={() => dispatch(derementAction)}>Decrement count</a>
+        </div>
+    );
+}

package.json

@@ -25,9 +25,10 @@
     "test": "jest"
   },
   "dependencies": {
-    "react": "^16.7.0-alpha.2",
-    "react-dom": "^16.7.0-alpha.2",
-    "redux": "^4.0.1"
+    "react": "^16.7.0-alpha.0",
+    "react-dom": "^16.7.0-alpha.0",
+    "redux": "^4.0.1",
+    "use-restate": "^0.0.9"
   },
   "devDependencies": {
     "@types/jest": "^23.3.10",
@@ -62,4 +63,4 @@
   "lint-staged": {
     "*.ts": "yarn run lint"
   }
-}
+}

src/index.ts

@@ -5,20 +5,8 @@ import shallowEqual from './shallowEqual';
 export const RestateContext: React.Context<Store<any> | undefined> = React.createContext(undefined);
 export const RestateProvider = RestateContext.Provider;
 
-const useStore = () => {
-    const store = useContext(RestateContext);
-
-    if (!store) {
-        throw new Error(
-            'use-restate requires you to initiate your redux-like store - e.g <RestateProvider value={store} />',
-        );
-    }
-
-    return store;
-};
-
 export function useRestate<TState, TSelector>(selectFrom: (state: TState) => TSelector): TSelector {
-    const store = useStore();
+    const store = useContext(RestateContext);
 
     const [restate, setRestate] = useState(() => selectFrom(store.getState()));
     const previousRestate = useRef({});
@@ -51,7 +39,7 @@ export function useRestate<TState, TSelector>(selectFrom: (state: TState) => TSe
 }
 
 export function useDispatch<TAction extends Action>(): Dispatch<TAction> {
-    const store = useStore();
+    const store = useContext(RestateContext);
 
     return store.dispatch;
 }

yarn.lock

@@ -7118,7 +7118,7 @@ rc@^1.0.1, rc@^1.1.6, rc@^1.2.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-react-dom@^16.7.0-alpha.2:
+react-dom@^16.7.0-alpha.0, react-dom@^16.7.0-alpha.2:
   version "16.7.0-alpha.2"
   resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.7.0-alpha.2.tgz#16632880ed43676315991d8b412cce6975a30282"
   integrity sha512-o0mMw8jBlwHjGZEy/vvKd/6giAX0+skREMOTs3/QHmgi+yAhUClp4My4Z9lsKy3SXV+03uPdm1l/QM7NTcGuMw==
@@ -7128,7 +7128,7 @@ react-dom@^16.7.0-alpha.2:
     prop-types "^15.6.2"
     scheduler "^0.12.0-alpha.2"
 
-react@^16.7.0-alpha.2:
+react@^16.7.0-alpha.0, react@^16.7.0-alpha.2:
   version "16.7.0-alpha.2"
   resolved "https://registry.yarnpkg.com/react/-/react-16.7.0-alpha.2.tgz#924f2ae843a46ea82d104a8def7a599fbf2c78ce"
   integrity sha512-Xh1CC8KkqIojhC+LFXd21jxlVtzoVYdGnQAi/I2+dxbmos9ghbx5TQf9/nDxc4WxaFfUQJkya0w1k6rMeyIaxQ==
@@ -8495,9 +8495,9 @@ timsort@^0.3.0:
   integrity sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q=
 
 tiny-glob@^0.2.0:
-  version "0.2.3"
-  resolved "https://registry.yarnpkg.com/tiny-glob/-/tiny-glob-0.2.3.tgz#9dba7fe22b1e4e2e7bb59815b10152bdf3d085b4"
-  integrity sha512-pkCxlClaL6MznxrgW4D2VDk5w6hz3SEOtXcJ9CPhxLjhpsvTd1g3qkMAqxoJNjKsCQlJj6w485ij5d5/Fb9jUQ==
+  version "0.2.4"
+  resolved "https://registry.yarnpkg.com/tiny-glob/-/tiny-glob-0.2.4.tgz#11cbdb455903053c885791cbd6e5458a91b9f355"
+  integrity sha512-Tej4Ftrtw9LVQCOiwG+15/sg1vmKG4l0PF3dRBtofyRwv3C0/gU0u3iRQd9YCUR1NPQT3kMB+3w9ecK0qigPRA==
   dependencies:
     globalyzer "^0.1.0"
     globrex "^0.1.1"
@@ -8819,6 +8819,15 @@ url@^0.11.0:
     punycode "1.3.2"
     querystring "0.2.0"
 
+use-restate@^0.0.9:
+  version "0.0.9"
+  resolved "https://registry.yarnpkg.com/use-restate/-/use-restate-0.0.9.tgz#cce76d72a7e88139b07bd7d730f4771465eed9ed"
+  integrity sha512-Ex+3GBKqkhc8RrpcxrA75nt7HvUvQwCux2R2YJX+S9KrcjtypapyH3jatWNcrc3IdUu3g28RAiJegu9smeVk0Q==
+  dependencies:
+    react "^16.7.0-alpha.2"
+    react-dom "^16.7.0-alpha.2"
+    redux "^4.0.1"
+
 use@^3.1.0:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/use/-/use-3.1.1.tgz#d50c8cac79a19fbc20f2911f56eb973f4e10070f"