node.js check if a remote URL exists

Question

How do I check to see if a URL exists without pulling it down? I use the following code, but it downloads the whole file. I just need to check that it exists.

ap         


        

Answer 1

require into functions is wrong way in Node. Followed ES6 method supports all correct http statuses and of course retrieve error if you have a bad 'host' like fff.kkk

checkUrlExists(host,cb) {
    http.request({method:'HEAD',host,port:80,path: '/'}, (r) => {
        cb(null, r.statusCode >= 200 && r.statusCode < 400 );
    }).on('error', cb).end();
}