// Express middelware for adding X-Http-Cat header using http.cat api from
// https://http.cat/

function middelware (req, res, next) {
    var _writeHead = res.writeHead
    res.writeHead = function(status) {
        res.setHeader('X-Http-Cat', 'https://http.cat/' + status)
        _writeHead.apply(res, arguments)
    }

    next()
}


module.exports = function(){
    return middelware;
}