Android Error when navigate Between MFEs about repack

[jbroma]

Hi @nazrighazi-cd,

It looks like an issue with configuration of webpack rather than a react-navigation issue. With the information you've provided, I think it might have to do with a dependency that's being shared, can you please share your MF configuration in both MFEs?

[jbroma]

I'll check it in the super-app-showcase as you reported that error there as well

callstack/super-app-showcase#78

[nazrighazi-cd]

Here is my webpack

import path from 'path';
import TerserPlugin from 'terser-webpack-plugin';
import * as Repack from '@callstack/repack';

export default (env) => {
const {
mode = 'development',
context = Repack.getDirname(import.meta.url),
entry = './index.js',
platform = process.env.PLATFORM,
minimize = mode === 'production',
devServer = undefined,
bundleFilename = undefined,
sourceMapFilename = undefined,
assetsPath = undefined,
reactNativePath = new URL('./node_modules/react-native', import.meta.url)
.pathname,
} = env;
const dirname = Repack.getDirname(import.meta.url);

if (!platform) {
throw new Error('Missing platform');
}

process.env.BABEL_ENV = mode;

return {
mode,
devtool: false,
context,
entry: [
...Repack.getInitializationEntries(reactNativePath, {
hmr: devServer && devServer.hmr,
}),
entry,
],
resolve: {
...Repack.getResolveOptions(platform),
alias: {
'react-native': reactNativePath,
'@cd-next-gen-app/ui-components': new URL(
'../../../libs/ui-components/src/index.ts',
import.meta.url
).pathname,
'@cd-next-gen-app/icons': new URL(
'../../../libs/icons/src/index.ts',
import.meta.url
).pathname,
'@cd-next-gen-app/themes': new URL(
'../../../libs/themes/src/index.ts',
import.meta.url
).pathname,
'@cd-next-gen-app/store': new URL(
'../store/src/index.ts',
import.meta.url
).pathname,
'@cd-next-gen-app/containers': new URL(
'../../../libs/containers/src/index.ts',
import.meta.url
).pathname,
'@cd-next-gen-app/components': new URL(
'../../../libs/components/src/index.ts',
import.meta.url
).pathname,
},
},

output: {
  clean: true,
  hashFunction: 'xxhash64',
  path: path.join(dirname, 'build/generated', platform),
  filename: 'index.bundle',
  chunkFilename: '[name].chunk.bundle',
  publicPath: Repack.getPublicPath({ platform, devServer }),
},
optimization: {
  /** Enables minification based on values passed from React Native CLI or from fallback. */
  minimize,
  /** Configure minimizer to process the bundle. */
  minimizer: [
    new TerserPlugin({
      test: /\.(js)?bundle(\?.*)?$/i,
      extractComments: false,
      terserOptions: {
        format: {
          comments: false,
        },
      },
    }),
  ],
  chunkIds: 'named',
},
module: {
  rules: [
    {
      test: /\.[jt]sx?$/,
      include: [
        /node_modules(.*[/\\])+react\//,
        /node_modules(.*[/\\])+react-native/,
        /node_modules(.*[/\\])+@react-native/,
        /node_modules(.*[/\\])+@react-navigation/,
        /node_modules(.*[/\\])+@react-native-community/,
        /node_modules(.*[/\\])+@expo/,
        /node_modules(.*[/\\])+pretty-format/,
        /node_modules(.*[/\\])+metro/,
        /node_modules(.*[/\\])+abort-controller/,
        /node_modules(.*[/\\])+@callstack\/repack/,
        /node_modules(.*[/\\])+native-base/,
        /node_modules(.*[/\\])+react-freeze/,
        /node_modules(.*[/\\])+@react-stately/,
        /node_modules(.*[/\\])+react-native-mmkv/,
        /node_modules(.*[/\\])+react-native-svg/,
        /node_modules(.*[/\\])+lottie-react-native/,
        /node_modules(.*[/\\])+i18next/,
        /node_modules(.*[/\\])+react-i18next/,
      ],
      use: 'babel-loader',
    },
    {
      test: /\.[jt]sx?$/,
      exclude: /node_modules/,
      use: {
        loader: 'babel-loader',
        options: {
          /** Add React Refresh transform only when HMR is enabled. */
          plugins:
            devServer && devServer.hmr
              ? ['module:react-refresh/babel']
              : undefined,
        },
      },
    },
    {
      test: Repack.getAssetExtensionsRegExp(
        Repack.ASSET_EXTENSIONS.filter((ext) => ext !== 'svg')
      ),
      use: {
        loader: '@callstack/repack/assets-loader',
        options: {
          platform,
          devServerEnabled: Boolean(devServer),
          scalableAssetExtensions: Repack.SCALABLE_ASSETS,
        },
      },
    },
    {
      test: /\.svg$/,
      use: [
        {
          loader: '@svgr/webpack',
          options: {
            native: true,
          },
        },
      ],
    },
  ],
},
plugins: [
  new Repack.RepackPlugin({
    context,
    mode,
    platform,
    devServer,
    output: {
      bundleFilename,
      sourceMapFilename,
      assetsPath,
    },
  }),
  new Repack.plugins.ModuleFederationPlugin({
    name: 'b2c-main-app',
    shared: {
      react: {
        singleton: true,
        eager: true,
        requiredVersion: '18.2.0',
      },
      'react-native': {
        singleton: true,
        eager: true,
        requiredVersion: '0.72.7',
      },
      '@react-navigation/native': {
        singleton: true,
        eager: true,
        requiredVersion: '6.1.9',
      },
      '@react-navigation/native-stack': {
        singleton: true,
        eager: true,
        requiredVersion: '6.9.17',
      },
      '@react-navigation/bottom-tabs': {
        singleton: true,
        eager: true,
        requiredVersion: '6.5.11',
      },
      'react-native-screens': {
        singleton: true,
        eager: true,
      },
      'react-native-gesture-handler': {
        singleton: true,
        eager: true,
      },
      'react-native-flipper-zustand': {
        ...Repack.Federated.SHARED_REACT_NATIVE,
        requiredVersion: '3.0.1',
      },
      'react-native-mmkv': {
        ...Repack.Federated.SHARED_REACT_NATIVE,
      },
      'native-base': {
        singleton: true,
        eager: true,
      },
      'react-native-svg': {
        ...Repack.Federated.SHARED_REACT_NATIVE,
        requiredVersion: '13.14.0',
      },
      'react-native-safe-area-context': {
        ...Repack.Federated.SHARED_REACT_NATIVE,
        singleton: true,
        eager: true,
        requiredVersion: '4.7.2',
      },
      'react-native-webview': {
        ...Repack.Federated.SHARED_REACT_NATIVE,
      },
      'react-i18next': {
        ...Repack.Federated.SHARED_REACT_NATIVE,
      },
      i18next: {
        ...Repack.Federated.SHARED_REACT_NATIVE,
      },
      'lottie-react-native': {
        singleton: true,
        eager: true,
      },
      'react-native-reanimated': {
        ...Repack.Federated.SHARED_REACT_NATIVE,
      },
      'react-native-screens': {
        ...Repack.Federated.SHARED_REACT_NATIVE,
        singleton: true,
        eager: true,
        requiredVersion: '3.27.0',
      },
    },
  }),
],

};
};

[nazrighazi-cd]

@jbroma yes, I did tried in the super-app-showcase and got the same error. Thank you.

[jbroma]

Hi @nazrighazi-cd,

I've investigated the matter inside of super-app-showcase and found the following solution:

1. add react-native-calendars to the host-app
2. add react-native-calendars to shared modules (with eager: true inside of host-app)
3. in index.js I've added the following just below the import statements:
   require.include('react-native-calendars')

The require.include statement makes sure the library get's included with the host-app's module and is properly shared with the rest of the super-app. This needs to be done because react-native-calendars is not used anywhere in the host-app itself.

Let me know whether that helps with your case

[nazrighazi-cd]

Hi @jbroma,

Thank you for the solution. Seems like on my app it was because of the momentjs library. I did follow the same step as you mentioned above but still getting the issue.

And for the super-app-showcase, seems like it's working on the calendar page. However, when i navigate to account page in booking, I'm getting the same error as before.

same step as before,which is

booking home page -> shopping home page -> booking calendar page -> booking account page = error.

[nazrighazi-cd]

Hi @jbroma ,

Some update on my end.
Found out that the error on my app is because of number of screens I declared in mfe main navigation.
I tried on super-app-showcase and seems like getting the same error.

Below is the step to recreate the error

1. Create multiple screens in booking mfe, in my case I created 10 screens. In the screens, i used the useeffect function.

2. Add all the screens in booking main navigation

3. Navigate between mfe screens will return error

booking home page -> shopping home page -> booking calendar == error

Is there any limitation on the number of screens on the mfe? or is there any solution for this issue?

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