How to scan a file for viruses in Node.js

First, we need to add a reference to the package.json:

"dependencies": {
    "cloudmersive-virus-api-client": "^1.1.2"
  }

Then, we need to require the library:

var CloudmersiveVirusApiClient = require('cloudmersive-virus-api-client');

Finally we need to call the scanFile function with the file buffer or byte array that we want to scan for viruses:

var defaultClient = CloudmersiveVirusApiClient.ApiClient.instance;
 
// Configure API key authorization: Apikey
var Apikey = defaultClient.authentications['Apikey'];
Apikey.apiKey = "YOUR API KEY"
 
var api = new CloudmersiveVirusApiClient.ScanApi()
 
var inputFile = fs.readFileSync("C:\\temp\\input.docx");
 
 
var callback = function(error, data, response) {
  if (error) {
    console.error(error);
  } else {
    console.log('API called successfully. Returned data: ' + data);
  }
};
api.scanFile(Buffer.from(inputFile.buffer), callback);

That’s all we need to do! Now the file will be scanned and the result printed to the screen. If a threat is found, the identify of the threat is also included in the response.