Add init method for storage options

Author: nfarina

index.js

@@ -4,15 +4,25 @@ var Service = require('./lib/Service.js').Service;
 var Characteristic = require('./lib/Characteristic.js').Characteristic;
 var uuid = require('./lib/util/uuid');
 var AccessoryLoader = require('./lib/AccessoryLoader.js');
+var storage = require('node-persist');
 
 // ensure Characteristic subclasses are defined
 var HomeKitTypes = require('./lib/gen/HomeKitTypes');
 
 module.exports = {
+  init: init,
   Accessory: Accessory,
   Bridge: Bridge,
   Service: Service,
   Characteristic: Characteristic,
   uuid: uuid,
   AccessoryLoader: AccessoryLoader
+}
+
+function init(storagePath) {
+  // initialize our underlying storage system, passing on the directory if needed
+  if (typeof storagePath !== 'undefined')
+    storage.initSync({ dir: storagePath });
+  else
+    storage.initSync(); // use whatever is default
 }