Function join

apps/web/contexts/Join.tsx:39–46

({ communityId }: { communityId: string })

  }, [callbackUrl]);

  async function join({ communityId }: { communityId: string }) {
    return await fetch('/api/invites/join-button', {
      method: 'post',
      body: JSON.stringify({
        communityId,
      }),
    });
  }

  const startSignUp = async (props: StartSignUpProps) => {
    setFlow(props.flow || 'signup');