.babelrc

{
    "plugins": [
        ["transform-react-jsx", {
            "pragma": "h"
        }],
        ["transform-runtime", {
            "polyfill": false,
            "regenerator": true
        }]
    ],
    "presets": [
        [
            "env",
            {
                "targets": {
                    "browsers": ["last 2 versions"]
                }
            }
        ]
    ]
}