Create React App minimize packaging (using customize-cra)

1. yarn add -D react-app-rewired customize-cra

2. Create a config-overrides. Js file in the root directory.

const { useBabelRc, override } = require('customize-cra')

module.exports = override(
  useBabelRc()
);
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3. Modify thepackage.jsonStart command in:

"scripts": {-"start": "react-scripts start"
+  "start": "react-app-rewired start"
  }
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