I'm currently facing an issue when using @rive-app/react-canvas in a ReactJS Module Federation setup (Webpack as host and Vite as remote)

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
45/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale
Tech stack
react, typescript, vite, webpack
Domain
frontend

Research direction

Compare the host webpack.config.js and remote vite.config.ts federation settings, then inspect the exposed src/AppRemote.tsx path and the useRive stack shown in the error. Reproduce the Webpack-host/Vite-remote setup with @rive-app/react-canvas and verify that the remote component loads without the null useState runtime error.

Written by the indexing model from the issue text.

Description

triage

Hi, I'm encountering a problem when trying to use @rive-app/react-canvas in a micro-frontend architecture where the host application is built with Webpack and the remote module is built with Vite. Here's a brief overview of my setup:

Webpack (Host) – webpack.config.js:

new ModuleFederationPlugin({
  name: "webpackHost",
  filename: "remoteEntry.js",
  remotes: {
    "@herond-point": "promise import("http://localhost:3001/assets/remoteEntry.js")",
  },
  shared: {
    react: {
      eager: true,
      import: "react",
      shareKey: "react",
      shareScope: "default",
      singleton: true,
    },
    "react-dom": {
      eager: true,
      import: "react-dom",
      shareKey: "react-dom",
      shareScope: "default",
      singleton: true,
    },
  },
})

Vite (Remote) – vite.config.ts:

 optimizeDeps: {
  include: ['@radix-ui/react-primitive', '@radix-ui/themes', 'react-redux', '@reduxjs/toolkit'],
},
build: {
  modulePreload: false,
  target: 'esnext',
  minify: false,
  cssCodeSplit: false,
  rollupOptions: {
    output: {
      minifyInternalExports: false,
      assetFileNames: (assetInfo) => {
        const ext = assetInfo.name?.split('.').pop();
        if (ext === 'svg') {
          return 'assets/icons/[name]-[hash][extname]';
        }
        return 'assets/[name]-[hash][extname]';
      },
    },
  },
},

publicDir: 'dist',

plugins: [
  react({ plugins: [['@swc/plugin-styled-components', {}]] }),
  macros(),
  svgr(),
  tsconfigPaths(),
  federation({
    name: '@herond-point',
    filename: 'remoteEntry.js',
    exposes: {
      './app': './src/AppRemote.tsx',
    },
    shared: {
      react: { requiredVersion: dependencies['react'] },
      'react-dom': { requiredVersion: dependencies['react-dom'] },
    },
  }),
]

Error Details:

When loading a remote component that uses @rive-app/react-canvas, I receive the following runtime error in the browser console:

herond_point.bundle.js:2 
TypeError: Cannot read properties of null (reading 'useState')
    at react_production_min.useState (index-B1oEREHO.js:262:21)
    at Object.O [as useRive] (index-BQu3j2DS.js:7128:16)
    at MysteryPotReward (index-BQu3j2DS.js:7265:19)
    at gi (herond_point.bundle.js:2:128737)
    at ws (herond_point.bundle.js:2:187678)
    at vu (herond_point.bundle.js:2:176930)
    at _u (herond_point.bundle.js:2:176858)
    at gu (herond_point.bundle.js:2:176721)
    at su (herond_point.bundle.js:2:173883)
    at jo (herond_point.bundle.js:2:115113)
Dominant language
TypeScript
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Merged PRs (30d)
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