feat: integrate with history API on web

example/package.json

@@ -5,7 +5,7 @@
   "private": true,
   "scripts": {
     "start": "expo start",
-    "web": "expo start --web",
+    "web": "expo start:web",
     "native": "react-native start",
     "android": "react-native run-android",
     "ios": "react-native run-ios"

example/src/index.tsx

@@ -153,7 +153,7 @@ export default function App() {
       try {
         let state = await getInitialState();
 
-        if (state === undefined) {
+        if (Platform.OS !== 'web' && state === undefined) {
           const savedState = await AsyncStorage.getItem(
             NAVIGATION_PERSISTENCE_KEY
           );

example/webpack.config.js

@@ -10,6 +10,8 @@ const packages = path.resolve(__dirname, '..', 'packages');
 module.exports = async function(env, argv) {
   const config = await createExpoWebpackConfigAsync(env, argv);
 
+  config.context = path.resolve(__dirname, '..');
+
   config.module.rules.push({
     test: /\.(js|ts|tsx)$/,
     include: /(packages|example)\/.+/,