babel/packages/babel-plugin-transform-computed-properties/test/fixtures/spec/mixed/exec.js

var heh = "heh";
var noo = "noo";
var foo = "foo";

var obj = {
  ["x" + heh]: "heh",
  ["y" + noo]: "noo",
  [foo]: "foo1",
  foo: "foo2",
  bar: "bar",
};

expect(obj).toEqual({
  xheh: "heh",
  ynoo: "noo",
  foo: "foo2",
  bar: "bar",
});