ProfilePage.js

type Props = {
  match: { params: { username: string } },
  resource: { fetching: boolean },
  user: User,
};

export default withResource({
  name: 'UserResource',
  key: 'resource',
  options: ({ match }: Props) => ({
    field_set_key: 'profile',
    username: match.params.username,
  }),
  mapState: (state: ReduxState, { match }: Props) => ({
    user: getUsersByUserName(state)[match.params.username],
  }),
})(ProfilePage);