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  1. Products
  2. Workers
  3. Examples
  4. Accessing the Cloudflare Object

Accessing the Cloudflare Object

Access custom Cloudflare properties and control how Cloudflare features are applied to every request.

export default {
  async fetch(req) {
    const data =
      req.cf !== undefined
        ? req.cf
        : { error: "The `cf` object is not available inside the preview." };


    return new Response(JSON.stringify(data, null, 2), {
      headers: {
        "content-type": "application/json;charset=UTF-8",
      },
    });
  },

};


const handler: ExportedHandler = {
  async fetch(req) {
    const data =
      req.cf !== undefined
        ? req.cf
        : { error: "The `cf` object is not available inside the preview." };


    return new Response(JSON.stringify(data, null, 2), {
      headers: {
        "content-type": "application/json;charset=UTF-8",
      },
    });
  },

};



export default handler;