How to Validate a CSV File in JavaScript

Have you ever received an ‘invalid CSV file’ error? If so, you know how frustrating it can be to determine the cause of the error, which can range from something as simple as the file extension, to a more complex issue such as incorrect encoding. To save yourself a considerable amount of time and energy, you can use the following API to automatically check if a CSV file is valid; if it isn’t, the operation will identify the errors in the document without any additional action by you.

Let’s begin the process by installing the jQuery library:

bower install jquery

Next will call the validation function with the following code:

var form = new FormData();
form.append("inputFile", fileInput.files[0], "file");var settings = {
     "url": "https://api.cloudmersive.com/convert/validate/csv",
     "method": "POST",
     "timeout": 0,
     "headers": {
          "Content-Type": "multipart/form-data",
          "Apikey": "YOUR-API-KEY-HERE"
     },
     "processData": false,
     "mimeType": "multipart/form-data",
     "contentType": false,
     "data": form
};$.ajax(settings).done(function (response) {
     console.log(response);
});

The result will arm you with the knowledge you need to address the issue if the file is indeed invalid. If you need to retrieve your personal API key for the validation, simply head to the Cloudmersive website to register for a free account!

Source: Medium; Cloudmersive

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