1 files changed, 12 insertions, 2 deletions
diff --git a/node_modules/randomatic/index.js b/node_modules/randomatic/index.js
index 4681b03e7..64e4f5487 100644
--- a/node_modules/randomatic/index.js
+++ b/node_modules/randomatic/index.js
@@ -9,12 +9,14 @@
 
 var isNumber = require('is-number');
 var typeOf = require('kind-of');
+var mathRandom = require('math-random');
 
 /**
  * Expose `randomatic`
  */
 
 module.exports = randomatic;
+module.exports.isCrypto = !!mathRandom.cryptographic;
 
 /**
  * Available mask characters
@@ -51,7 +53,9 @@ function randomatic(pattern, length, options) {
       length = pattern.length;
 
     } else if (isNumber(pattern)) {
-      options = {}; length = pattern; pattern = '*';
+      options = {};
+      length = pattern;
+      pattern = '*';
     }
   }
 
@@ -75,8 +79,14 @@ function randomatic(pattern, length, options) {
   if (pattern.indexOf('*') !== -1) mask += type.all;
   if (custom) mask += pattern;
 
+  // Characters to exclude
+  if (opts.exclude) {
+    var exclude = typeOf(opts.exclude) === 'string' ? opts.exclude : opts.exclude.join('');
+    mask = mask.replace(new RegExp('[' + exclude + ']+', 'g'), '');
+  }
+
   while (length--) {
-    res += mask.charAt(parseInt(Math.random() * mask.length, 10));
+    res += mask.charAt(parseInt(mathRandom() * mask.length, 10));
   }
   return res;
 };