{
"presets": [
["env", {
"targets": { "node": 6 },
"useBuiltIns": true
}],
"stage-0",
"react"
],
"plugins": ["transform-export-extensions"],
"env": {
"production": {
"presets": ["react-optimize"],
"plugins": ["babel-plugin-dev-expression"]
},
"development": {
"plugins": [
"transform-class-properties",
"transform-es2015-classes",
"react-hot-loader/babel"
]
}