When using mini-css-extract-plugin in a React project, you might encounter conflicting import order errors related to CSS chunks. This issue arises when there are dependencies between CSS files that are extracted into separate chunks, and their import order becomes important for the correct rendering of the styles.

To better understand the build process and identify the conflicting import order, you can enable verbose build logs. This will provide more detailed information about the build process and potential issues with the order of CSS imports.

To enable verbose build logs, you can use the stats option in the webpack configuration for your project. Here's how you can do it:

  1. In your project's webpack.config.js file, add the stats option to enable verbose logging:
module.exports = { // Other webpack configurations... stats: 'verbose', // Enable verbose logging };
  1. If you are using the react-scripts package (default in Create React App), you can enable verbose logging by modifying the scripts in your package.json:
"scripts": { "start": "react-scripts start", "build": "react-scripts build --stats=verbose", // Add --stats=verbose here "test": "react-scripts test", "eject": "react-scripts eject" }

After enabling verbose logging, run the build command (e.g., npm run build) again. You should now see more detailed logs in the terminal, including information about the CSS chunks and potential conflicts.

Keep in mind that the verbose logs can be quite extensive, so you might need to analyze them carefully to identify the specific conflicting import order. Look for any warnings or errors related to the CSS extraction and chunk order.

Once you have identified the conflicting import order, you can address it by adjusting the way CSS files are imported in your components or by using other techniques like CSS modules or styled-components to manage CSS dependencies and prevent conflicts.

If the verbose build logs do not provide enough information to resolve the issue, you can also consider using the mini-css-extract-plugin's ignoreOrder option. While not recommended for production builds, setting ignoreOrder: true in the plugin configuration can bypass the CSS order conflicts during development. However, it's essential to resolve the import order issues properly before deploying the application to production.

Have questions or queries?
Get in Touch