{ "presets": [ [ "@babel/preset-env", { "targets": { "node": "current" } } ], "@babel/preset-react", "@babel/preset-typescript" ], "plugins": [ "babel-plugin-styled-components", "@babel/plugin-proposal-class-properties", "@babel/plugin-proposal-optional-chaining", "@babel/plugin-proposal-nullish-coalescing-operator", "@babel/plugin-proposal-object-rest-spread", "@babel/plugin-syntax-dynamic-import" ] }