Post JSON
Send a POST request with JSON data. Use to share data with external servers.
export default { async fetch(request) { /** * Example someHost is set up to take in a JSON request * Replace url with the host you wish to send requests to * @param {string} url the URL to send the request to * @param {BodyInit} body the JSON data to send in the request */ const someHost = "https://examples.cloudflareworkers.com/demos"; const url = someHost + "/requests/json"; const body = { results: ["default data to send"], errors: null, msg: "I sent this to the fetch", };
/** * gatherResponse awaits and returns a response body as a string. * Use await gatherResponse(..) in an async function to get the response body * @param {Response} response */ async function gatherResponse(response) { const { headers } = response; const contentType = headers.get("content-type") || ""; if (contentType.includes("application/json")) { return JSON.stringify(await response.json()); } else if (contentType.includes("application/text")) { return response.text(); } else if (contentType.includes("text/html")) { return response.text(); } else { return response.text(); } }
const init = { body: JSON.stringify(body), method: "POST", headers: { "content-type": "application/json;charset=UTF-8", }, }; const response = await fetch(url, init); const results = await gatherResponse(response); return new Response(results, init); },
};
const handler: ExportedHandler = { async fetch(request: Request) { /** * Example someHost is set up to take in a JSON request * Replace url with the host you wish to send requests to * @param {string} url the URL to send the request to * @param {BodyInit} body the JSON data to send in the request */ const someHost = "https://examples.cloudflareworkers.com/demos"; const url = someHost + "/requests/json"; const body = { results: ["default data to send"], errors: null, msg: "I sent this to the fetch", };
/** * gatherResponse awaits and returns a response body as a string. * Use await gatherResponse(..) in an async function to get the response body * @param {Response} response */ async function gatherResponse(response) { const { headers } = response; const contentType = headers.get("content-type") || ""; if (contentType.includes("application/json")) { return JSON.stringify(await response.json()); } else if (contentType.includes("application/text")) { return response.text(); } else if (contentType.includes("text/html")) { return response.text(); } else { return response.text(); } }
const init = { body: JSON.stringify(body), method: "POST", headers: { "content-type": "application/json;charset=UTF-8", }, }; const response = await fetch(url, init); const results = await gatherResponse(response); return new Response(results, init); },
};
export default handler;