Add assertions re https://twitter.com/mikermcneil/status/742769470028…

…943361

lib/hooks/index.js

@@ -19,6 +19,20 @@ module.exports = function(sails) {
 
   return function Hook(definition) {
 
+    // A few sanity checks to make sure te provided definition does not contain any reserved properties.
+    if (!_.isObject(definition)) {
+      // This particular behavior can be made a bit less genteel in future versions (it is currently
+      // forgiving for backwards compatibility)
+      definition = definition || {};
+    }
+
+    if (_.isFunction(definition.config)) {
+      throw new Error('Error defining hook: `config` is a reserved property and cannot be used as a custom hook method.');
+    }
+    if (_.isFunction(definition.middleware)) {
+      throw new Error('Error defining hook: `middleware` is a reserved property and cannot be used as a custom hook method.');
+    }
+
 
 
     /**
@@ -159,7 +173,9 @@ module.exports = function(sails) {
 
 
     /**
-     * Ensure that a hook definition has the required properties
+     * Ensure that a hook definition has the required properties.
+     * 
+     * @returns {Dictionary} [coerced hook definition]
      * @api private
      */