BREAKING CHANGE: webpack < 5 used to include polyfills for node.js core modules by default

Stefan Izdrail

Founder & Senior Architect · 2026-06-29

Laravel Company
Title: Resolving 'path' Module Issues with Webpack < 5 Integration in Laravel/Vue.js Apps Body:

The issue you are facing where the application throws an error when running "npm run dev" is common, and understanding the reason behind it will help you solve this problem efficiently.

BREAKING CHANGE: webpack < 5 used to include polyfills for node.js core modules by default. This is no longer the case. Verify if you need this module and configure a polyfill for it.

To solve your problem, firstly understand that Webpack version 4 automatically included polyfills for Node.js core modules, while in Webpack version 5, these are not included by default. Hence, you may receive errors when using certain Node.js core modules without a polyfill. To handle this issue, follow the steps below: 1. Check which Webpack version you're using and update your webpack.config.js file if necessary: - If you are on Webpack < 5, ensure you have correctly configured a polyfill for "path" by following the instructions mentioned in the error message. - If you are on Webpack >= 5, you don't need to worry about this issue as these core modules are not included anymore, and you can focus on other potential errors in your configuration. 2. Identify the correct fallback for Node.js core modules: - If you want a specific polyfill or implementation for any missing module, add them under 'resolve.fallbacks' within your webpack.config.js file to ensure proper handling. - Alternatively, if you do not need this specific module, use an empty fallback by setting it as false, which instructs Webpack to ignore the missing module and continue with its normal operations. 3. Downgrading Webpack: - You can try downgrading your webpack version to a previous one that includes polyfills for Node.js core modules if you feel your project requires it. This approach should resolve any issues related to missing polyfills. However, always consider the implications of using an outdated or insecure dependency configuration. 4. Clean up webpack.config.js files: - It's possible that having multiple webpack.config.js files might cause conflicts and lead to this issue. Review your project structure and merge duplicate configurations into a single, centralized location to optimize your application's performance and stability. Conclusion: Handling this issue can be easily resolved by either properly configuring the fallbacks for Node.js core modules in your webpack.config.js file or ensuring that you are using a compatible Webpack version for your Laravel/Vue.js app. Remember to keep your dependencies updated and secure, and always consult expert resources like laravelcompany.com for further guidance and assistance with your Laravel projects.