Unraveling the mysteries of deciphering extended JSON information

Issue with Data Interpretation

I am facing a challenge in my project that is more related to understanding and interpreting data rather than writing code. The project involves using a NoSQL database, specifically MongoDB, to store information sampled from a microcontroller. I successfully wrote the code to store this information, but now I am struggling to display it on an HTML page. The problem arises when I make a request to the MongoDB using a REST API and receive the stored JSON data in an extended format like this:

  "_id": {
            "$oid": "6230d05dcf81542c5aabc30b"
        },
        "sensor": {
            "$numberDouble": "1"
        }

However, the data should ideally be retrieved in the following format as it is stored in the database:

  
{
  _id:  "6230d05dcf81542c5aabc30b",
  sensor: 1.0
}

It seems that the JSON comes with additional information indicating the type of variable stored, such as "$numberDouble". I am unsure how to handle this extra information in JavaScript. Normally, I would retrieve information about the sensor by simply accessing json.sensor, but now with the extended format, I'm not sure how to proceed. Does anyone know if I'm doing something wrong here?

javascriptjsonmongodb

Answer №1

Ensure that you correctly handle the API response by parsing it with the following code snippet:

response.json()

Answer №2

Seems like the response you're receiving is in EJSON format. To switch to standard JSON response, ensure that the Content-Type is set correctly on the server side.

function(req, res) {
    data = { ... }; // Insert your data here
    res.setHeader("Content-Type", "application/json");
    res.setBody(JSON.stringify(data));
}

If server-side modifications are not feasible, you can use the meteor EJSON library to convert EJSON back to regular JSON.

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