.babelrc

{
    "env": {
        "development": {
            "presets": [
                ["@babel/env", {
                    "targets": {
                        "browsers": [
                            ">1%",
                            "not ie 11",
                            "not op_mini all"
                        ]
                    },
                    "modules": false,
                    "useBuiltIns": "entry"
                }],
                "@babel/react"
            ],
            "plugins": [
                ["@babel/plugin-proposal-unicode-property-regex", {
                    "useUnicodeFlag": false
                }],
                ["@babel/plugin-transform-runtime", {
                    "polyfill": false,
                    "regenerator": true
                }],
                ["@babel/plugin-proposal-class-properties"],
                ["@babel/plugin-syntax-dynamic-import"]
            ]
        }
    }
}