Loopback : promise and the access token model

gistfile1.txt

/**
 * The Access Token model in loopback doesn't support Promises out-the-box, and it won't work with Bluebird Promisify
 */
util.tokenValidateAsync = function(token) {
    return new Promise(function(resolve, reject) {
        token.validate(function(err, isValid){
            if (!err) {
                resolve(isValid);
            }
            else {
                reject(err);
            }
        })
    })
}