Fixed: undefined roles in multi auth level queries crashed the query

Author: chrismatix

.npmignore

@@ -1,2 +1,4 @@
 test/
-README.md
+README.md
+.gitignore
+.travis.yml

index.js

@@ -48,8 +48,10 @@ module.exports = function (schema) {
 
         if (Array.isArray(authLevel)) {
             return authLevel.reduce(function (acc, level) {
-                var fields = vm.schema.permissions[level][action] || [];
-                return acc.concat(fields)
+                if(vm.schema.permissions[level] && vm.schema.permissions[level][action]) {
+                    return acc.concat(vm.schema.permissions[level][action])
+                }
+                return acc.concat([])
             }, []);
         } else {
             return vm.schema.permissions[authLevel][action] || [];

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mongoose-authorization",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "Data level authorization for Mongoose",
   "main": "index.js",
   "scripts": {