Improve modelate checker

Author: CodingCarlos

lib/modelate.js

@@ -11,12 +11,12 @@ const validate = require('./validate').check;
  *	@param opts {Object} Options for the modelate.
  */
 function modelate(data, opts) {
-	if ((!this.modelName && opts && !opts.model) || !data || typeof data !== 'object') {
+	if ((!this.modelName && !(opts && !opts.model)) || !data || typeof data !== 'object') {
 		return {};
 	}
 
 	const model = (opts && opts.model) || models[this.modelName];
-	const result = util.clone(model);
+	const result = util.clone(model) || {};
 
 	for (const prop in model) {
 		if (validate(data[prop], model[prop])) {