.babelrc
{
"presets": [
["@babel/preset-env", { "modules": false }],
"@babel/preset-flow",
"@babel/preset-react"
],
"plugins": [
"@babel/plugin-transform-runtime",
"@babel/plugin-proposal-object-rest-spread",
["@babel/plugin-proposal-class-properties", { "spec": true }]
],
"env": {
"test": {
"presets": ["@babel/preset-env"]
}
}
}