babel/packages/babel-plugin-proposal-class-properties/test/fixtures/nested-class/super-property-in-key/exec.js

"use strict";
class Hello {
  toString() {
    return 'hello';
  }
}

class Outer extends Hello {
  constructor() {
    super();
    class Inner {
      [super.toString()] = 'hello';
    }

    return new Inner();
  }
}

expect(new Outer().hello).toBe('hello');