The Claudia JS framework encountered an issue while parsing the request object

Currently, I am working on building an API using a serverless AWS Lambda Function with ClaudiaJS as my chosen framework. However, I have encountered an issue when attempting to pass a JSON object to the POST route. The problem arises because the contents of request.body are being parsed as a type "string" instead of the expected type "object". In a typical express node.js backend, I would use bodyParser to handle this situation, but unfortunately that is not an option in this case. Any guidance or assistance on how to resolve this would be greatly appreciated :)

I attempted to use JSON.parse(req.body), but it didn't work as expected.

Here is the snippet of code for the POST route:

var ApiBuilder = require('claudia-api-builder'),
api = new ApiBuilder();

module.exports = api;

api.post('/upload', (req, res) => {
  return req.body;           //Returning the body for debugging purposes 
});

When sending the JSON Object to the service using POSTMAN with content-type:application/json

{
  "latitude": "52.514818",
  "longitude": "13.356101",
  "additionalData": "xyc"
}

The issue persists as the returned result is a string instead of an object. This prevents me from properly parsing the data using req.body.latitude to access the value for the latitude field.

"----------------------------641080260577727375179249\r\nContent-Disposition: form-data; name=\"file\"; filename=\"Berlin.json\"\r\nContent-Type: application/json\r\n\r\n{\n  \"latitude\": \"52.514818\",\n  \"longitude\": \"13.356101\",\n  \"additionalData\": \"xyc\"\n}\n\r\n----------------------------641080260577727375179249--\r\n"

Answer №1

Your challenge lies in sending API form data and expecting it to act like JSON.

The simplest fix is to actually send the JSON in the POST body, then your existing code will function correctly.

Alternatively, you'll need to extract the JSON from the current string.

const ApiBuilder = require('claudia-api-builder');
const api = new ApiBuilder();
module.exports = api;

api.post('/upload', (req, res) => {
  console.log(req.body); // outputs the form-data as string
  const myString = req.body.substring(
    req.body.lastIndexOf("{"), 
    req.body.lastIndexOf("}")+1
  );
  const myJson = JSON.parse(myString);
  console.log(myJson) // outputs a valid JSON object
  return myObj;
});

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