Masaki Hara

The actual problem is how it looks for the environment variable: https://github.com/t49tran/react-google-recaptcha-v3/blob/v1.9.7/src/utils.ts#L147-L148 ```javascript const isDevelopmentMode = !!process.env && process.env.NODE_ENV !== 'production'; ``` Webpack [inserts DefinePlugin for `process.env.NODE_ENV` by default](https://webpack.js.org/configuration/optimization/#optimizationnodeenv), but...