Fastify Profanity Filter

fastify.post("/comments", {
  preHandler: async (req, reply) => {
    const r = await fetch("https://api.theprofanityapi.com/v1/check", {
      method: "POST",
      headers: {
        Authorization: `Bearer ${process.env.PROFANITY_API_KEY}`,
        "Content-Type": "application/json",
      },
      body: JSON.stringify({ text: req.body.text, context: "comment", mode: "balanced" }),
    });
    if ((await r.json()).flagged) reply.code(422).send({ error: "flagged" });
  },
}, async (req) => { /* save */ });