.babelrc

{
  "plugins": [
    "syntax-async-functions",
    "transform-class-properties",
    "transform-flow-strip-types",
    "transform-object-rest-spread",
    "transform-es2015-template-literals",
    "transform-es2015-literals",
    "transform-es2015-function-name",
    "transform-es2015-arrow-functions",
    "transform-es2015-block-scoped-functions",
    ["transform-es2015-classes", {loose: true}],
    "transform-es2015-object-super",
    "transform-es2015-shorthand-properties",
    "transform-es2015-duplicate-keys",
    "transform-es2015-computed-properties",
    "check-es2015-constants",
    ["transform-es2015-spread", {loose: true}],
    "transform-es2015-parameters",
    ["transform-es2015-destructuring", {loose: true}],
    "transform-es2015-block-scoping",
    "transform-es2015-modules-commonjs",
    "transform-regenerator",
    "transform-es3-property-literals",
  ]
}