{
"presets": [
"react",
[
"env",
"loose": true,
"modules": false,
"targets": {
"browsers": ["last 2 versions", "IE >= 11", "iOS >= 9"]
}
]
],
"plugins": [
"syntax-dynamic-import",
"transform-object-rest-spread",
"transform-class-properties",
"react-intl",
"messagesDir": "./build/messages"
"env": {
"development": {
"transform-react-jsx-source",
"transform-react-jsx-self"
},
"production": {
"lodash",
"transform-react-remove-prop-types",
"mode": "remove",
"removeImport": true,
"additionalLibraries": [
"react-immutable-proptypes"
"transform-runtime",
"helpers": true,
"polyfill": false,
"regenerator": false
"test": {
"transform-es2015-modules-commonjs"