fix: The global process.env.EXPO_OS is not defined. This should be inlined by babel-preset-expo during transformation

config/webpack/webpack.common.ts

@@ -153,6 +153,9 @@ const getCommonConfiguration = ({file = '.env', platform = 'web'}: Environment):
             ...(platform === 'web' ? [new CustomVersionFilePlugin()] : []),
             new DefinePlugin({
                 ...(platform === 'desktop' ? {} : {process: {env: {}}}),
+                // Define EXPO_OS for web platform to fix expo-modules-core warning
+                // eslint-disable-next-line @typescript-eslint/naming-convention
+                'process.env.EXPO_OS': JSON.stringify('web'),
                 // eslint-disable-next-line @typescript-eslint/naming-convention
                 __REACT_WEB_CONFIG__: JSON.stringify(dotenv.config({path: file}).parsed),
 

index.js

@@ -6,5 +6,16 @@ import App from './src/App';
 import Config from './src/CONFIG';
 import additionalAppSetup from './src/setup';
 
+// Define EXPO_OS before any imports to prevent console errors from Expo DOM components
+if (!process.env.EXPO_OS && __DEV__) {
+    const {Platform} = require('react-native');
+    // Create a new process.env object with EXPO_OS defined
+    const originalEnv = process.env;
+    process.env = {
+        ...originalEnv,
+        EXPO_OS: Platform.OS,
+    };
+}
+
 AppRegistry.registerComponent(Config.APP_NAME, () => App);
 additionalAppSetup();