Introduction

The error “Module build failed (from ./node_modules/babel-loader/lib/index.js): TypeError: Cannot read property ‘bindings’ of null” typically occurs due to an issue in Babel processing JavaScript files. This document provides a step-by-step guide to resolving this issue.

Possible Causes

  1. Syntax Errors in Code – If there is a syntax issue in your JavaScript files, Babel may fail to parse them.
  2. Outdated Dependencies – An outdated version of Babel or Webpack can lead to this error.
  3. Incorrect Babel Configuration – A misconfigured .babelrc or babel.config.js can cause Babel to fail.
  4. Conflicts with Other Plugins – Some Babel or Webpack plugins may interfere with the compilation process.

Step-by-Step Solution

Step 1: Check for Syntax Errors

Before making any changes to the configuration, check your JavaScript files for syntax errors. Run:
npm run lint
If there are syntax errors, fix them and retry building your project.

Step 2: Delete Node Modules and Reinstall Dependencies

Sometimes, outdated or corrupt dependencies cause issues. Run the following commands to clean up and reinstall dependencies:
rm -rf node_modules package-lock.json
npm install

Then, try running the build again:
npm run build

Step 3: Update Babel and Webpack

Ensure that Babel and Webpack are updated to their latest versions:
npm install --save-dev @babel/core babel-loader webpack

Step 4: Check Babel Configuration

Ensure that your Babel configuration (.babelrc or babel.config.js) is correctly set up. A minimal working example:
{
"presets": ["@babel/preset-env", "@babel/preset-react"],
"plugins": ["@babel/plugin-transform-runtime"]
}

Step 5: Remove Cache and Rebuild

Try clearing the Babel and Webpack cache:
rm -rf .cache

Then restart the development server:
npm start

Step 6: Debugging Further

If the issue persists, add debugging logs to Babel:
DEBUG=babel:* npm run build

This will provide more insights into what is causing the error.

Conclusion:

By following these steps, you should be able to resolve the ‘bindings of null’ error in Babel Loader. If the problem persists, consider checking GitHub issues for Babel and Webpack or seeking help from the community.

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