{ "presets": ["@babel/preset-env", "@babel/preset-react"], "plugins": [ "@babel/plugin-transform-runtime", "@babel/plugin-proposal-class-properties", "babel-plugin-add-react-displayname" ], "env": { "esm": { "presets": [["@babel/preset-env", { "modules": false }]], "plugins": [["@babel/plugin-transform-runtime", { "useESModules": true }]] } } }