v2.20.0

New

• Add support for typeof types and React.* types (#224)

  Adds support for all the types described in the react flow docs

• Resolve flow $Keys<> to union type (#225)

  const CONTENTS = {
    'apple': '🍎',
    'banana': '🍌',
  };
  type Props = {
    fruit: $Keys<typeof CONTENTS>,
  };