issue_with_status_code.js

var r = request.send(uri, options, function(e, res, body) {
    if (e) {
        // error in request
        args.callback(e);
    }
    // What if 3xx status code? Correct: you will get response data wrapped into Error :))
    else if (res.statusCode !== 200 && res.statusCode !== 201 && res.statusCode !== 202) {
        // provide a default message when none is provided
        body = body || 'server returned status code ' + res.statusCode;
    
        // eror in response
        args.callback(new Error(body));
    }
    else {
        try {
            body = JSON.parse(body);
        }
        catch(err) {
            // continue but data untouched (likely image data)
        }
    
        if (typeof body.error === 'string') {
            // api response includes an error
            args.callback(new Error(body.error));
        }
        else {
            // api response is successful
            args.callback(null, body);
        }
    }
});