.babelrc

{
	"presets": [
		"react",
		[
			"env",
			{
				"targets": {
					"browsers": ["last 2 versions"]
				}
			}
		]
	],
	"plugins": [
		"transform-class-properties",
		"transform-object-rest-spread",
		[
			"transform-runtime",
			{
				"polyfill": false,
				"helpers": false,
				"regenerator": true
			}
		],
		[
			"babel-plugin-transform-builtin-extend",
			{
				"globals": ["Error", "Array"]
			}
		]
	]
}