React Profanity Filter

async function checkText(text) {
  const res = await fetch("/api/moderate", {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ text }),
  });
  const { flagged } = await res.json();
  return flagged;
}

// in a component
const handleSubmit = async () => {
  if (await checkText(value)) setError("Please revise your message.");
  else submit(value);
};