Immediately fail if options object is invalid

Author: axelrindle

lib/check.js

@@ -134,6 +134,10 @@ const rest = (options, callback) => {
  * @param callback {function|undefined} The callback function.
  */
 module.exports = (options, callback) => {
+	if (options === null || options === undefined) {
+		throw new Error('options object must not be null or undefined!');
+	}
+
   // get options
   options.token = options.token || process.env.GITHUB_API_TOKEN || undefined;
   if (options.reduceTraffic) {