portails/config/babel.config.js

module.exports = {
    presets: [
        [
            '@babel/preset-env',
            {
                targets: {
                    browsers: [
                        // Best practice: https://github.com/babel/babel/issues/7789
                        '>=1%',
                        'not ie 11',
                        'not op_mini all'
                    ]
                }
            }
        ]
    ]
};