Update dictionary.js

lib/key_generators/dictionary.js

@@ -1,7 +1,7 @@
 var rand = require('random-js');
 var fs = require('fs')
 var dictionary;
-var randomEngine;
+var randomEngine = rand.engines.nativeMath;
 var random;
 
 var DictionaryGenerator = function(options) {
@@ -12,17 +12,15 @@ var DictionaryGenerator = function(options) {
     return done(Error('No dictionary path specified in options'));
   
   //Load dictionary
-  fs.readFile(options.path,'utf8',(err,data) => {
+  fs.readFile(options.path, 'utf8', (err,data) => {
     if(err) throw err;
-    dictionary = data.split(',');
+    this.dictionary = data.split(',');
     
     //Remove any non alpha-numeric characters
-    for(var i = 0; i < dictionary.length; i++){
-      dictionary[i] = dictionary[i].replace(/\W/g,'');
-    }
-
-    random = rand.integer(0,dictionary.length);
-    randomEngine = rand.engines.nativeMath;
+    for(var i = 0; i < this.dictionary.length; i++)
+      this.dictionary[i] = this.dictionary[i].replace(/\W/g,'');
+    
+    this.random = rand.integer(0, this.dictionary.length);
     });
 };
 
@@ -30,7 +28,7 @@ var DictionaryGenerator = function(options) {
 DictionaryGenerator.prototype.createKey = function(keyLength) {
   var text = '';
   for(var i = 0; i < keyLength; i++)
-    text += dictionary[random(randomEngine)];
+    text += this.dictionary[random(randomEngine)];
   return text;
 };