zm-scratch-gui/.babelrc

{
    "plugins": [
        "@babel/plugin-syntax-dynamic-import",
        "@babel/plugin-transform-async-to-generator",
        "@babel/plugin-proposal-object-rest-spread",
        ["react-intl", {
            "messagesDir": "./translations/messages/"
        }]],
    "presets": [
        ["@babel/preset-env", {"targets": {"browsers": ["last 3 versions", "Safari >= 8", "iOS >= 8"]}}],
        "@babel/preset-react"
    ]
}