User-generated JSON Object with Date Information

I have created an API using Node.js/Express that receives input from a form including a date option in the request body.

Currently, I am sending dates in the format YYYY-mm-dd, and I have also attempted using dd/mm/YYYY. However, when testing in Postman, the server crashes with the following error:

UnhandledPromiseRejectionWarning: ValidationError: profile validation failed: experience.0.from: Cast to Date failed for value "2017-14-09" at path
"from"
at new ValidationError (D:\ReactDev\MERN Dev\DevConnect\dev-connect\node_modules\mongoose\lib\error\validation.js:30:11)
at model.Document.invalidate (D:\ReactDev\MERN Dev\DevConnect\dev-connect\node_modules\mongoose\lib\document.js:1957:32)
at EmbeddedDocument.invalidate (D:\ReactDev\MERN Dev\DevConnect\dev-connect\node_modules\mongoose\lib\types\embedded.js:287:19)

The user should be able to input dates in any desired format. How can I receive this input without encountering errors? Is there a correct approach to handling this issue? Thank you.

javascriptjsondateexpress

Answer №1

Hey there, I see you're working on a NodeJS/Express backend code. Let's consider a scenario where you have a POST route that receives a date input:

app.post('/', function (req, res) {

  // Extract the date submitted by the user from the request body
  var rawDate = req.body.date;

  // Create a new Date object from the extracted date string
  var dateObject = new Date(rawDate);

  // Validate the date object for correctness 
  //(check this helpful link: https://stackoverflow.com/questions/1353684/detecting-an-invalid-date-date-instance-in-javascript)
  // Perform necessary processing if the date is valid and send a response
  // Send an error response if the date is invalid

  ...

})

By passing the date string to Date(), it converts it into a manipulable Date object. Check out the documentation here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date

I utilized both of your mentioned formats to demonstrate an example in this terminal screenshot.

I hope this explanation is clear and beneficial for your project!

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