Fetch only headers of a GET request in Node

Question

I need to get the Content-Length and Content-Type headers of large files with Node.

Unfortunately, the server I\'m dealing with do

Answer 1

Use method: 'HEAD':

http.request('http://example.com', {
    method: 'HEAD',
}, res => {
    console.log(res.statusCode, res.statusMessage)
    console.log(res.headers)

    res.on('data', _ => {
        console.log(`IT SHOULDN'T REACH HERE!`)
    })
}).on('error', console.error)
  .end()