var foo = "bar";

let Foo = class Foo {
  bar = foo;

  constructor() {
    var foo = "foo";
  }
};

{
  "presets": ["@babel/stage-3"]
}

var _class, _temp, _initialiseProps;

var foo = "bar";
let Foo = (_temp = _class = class Foo {
  constructor() {
    _initialiseProps.call(this);

    var foo = "foo";
  }

}, _initialiseProps = function () {
  Object.defineProperty(this, "bar", {
    configurable: true,
    enumerable: true,
    writable: true,
    value: foo
  });
}, _temp);