.babelrc

{
	"presets": [["@babel/env"]],
	"plugins": [
		[
			"@babel/plugin-transform-runtime",
			{
				"corejs": false,
				"helpers": false,
				"regenerator": true,
				"useESModules": false
			}
		],
		["@babel/plugin-proposal-decorators", { "legacy": true }],
		["@babel/plugin-proposal-class-properties", { "loose": true }]
	]
}