babel.config.js

module.exports = function (api) {
    const defaultConfigFunc = require('shakapacker/package/babel/preset.js');
    const resultConfig = defaultConfigFunc(api);
    const isDevelopmentEnv = api.env('development');
    const isProductionEnv = api.env('production');
    const isTestEnv = api.env('test');

    const changesOnDefault = {
        presets: [
            [
                '@babel/preset-react',
                {
                    development: isDevelopmentEnv || isTestEnv,
                    useBuiltIns: true,
                },
            ],
        ].filter(Boolean),
        plugins: [
            isProductionEnv && [
                'babel-plugin-transform-react-remove-prop-types',
                {
                    removeImport: true,
                },
            ],
        ].filter(Boolean),
    };

    resultConfig.presets = [...resultConfig.presets, ...changesOnDefault.presets];
    resultConfig.plugins = [...resultConfig.plugins, ...changesOnDefault.plugins];

    return resultConfig;
};