[StackOverflow/reactjs] Webpack 5 Web-Worker has the wrong path after build. React 18, Electron

### ROOT CAUSE The issue occurs because the Webpack configuration's `publicPath` is set to the root URL (`/`) during development, but in production (especially with Electron), the base URL changes. This causes the worker path to resolve incorrectly. Additionally, the worker entry point might be defined as a relative path, which breaks when the app is built. ### CODE FIX Adjust the Webpack configuration to handle the correct `publicPath` and ensure the worker entry point is properly configured: ```javascript // webpack.config.js const path = require('path'); module.exports = { // ... other config output: { path: path.resolve(__dirname, 'dist'), publicPath: process.env.NODE_ENV === 'production' ? './' : '/', // Set to './' in production filename: 'bundle.js', }, // ... other config entry: { main: './src/index.js', worker: './src/backgroundWorker.js', // Ensure worker entry is correct }, }; ``` For Electron, update the `index.html` to load the worker correctly: ```html ``` **Explanation**: - `publicPath: './'` ensures assets are loaded relative to the base URL (fixes paths in production). - The worker entry point is explicitly defined in the Webpack config. - The worker is referenced using a relative path in the HTML, which aligns with the build output. This ensures the worker loads correctly in both development and production environments within Electron.