.babelrc

{
    "retainLines": true,
    "plugins": [
        "transform-decorators-legacy",
        "transform-class-properties",
        "add-module-exports",
        // ES2015 stuff ---
        "transform-es2015-modules-commonjs",
        "transform-es2015-arrow-functions",
        "transform-es2015-block-scoping",
        "transform-es2015-block-scoped-functions",
        "transform-es2015-classes",
        "transform-es2015-computed-properties",
        "transform-es2015-destructuring",
        "transform-es2015-literals",
        "transform-es2015-template-literals",
        "transform-es2015-parameters",
        "transform-es2015-shorthand-properties",
        "transform-es2015-spread",
        // React ---
        "transform-react-jsx"
    ]
}