From cea10920cd0722632c3eca23d369ebc783f93457 Mon Sep 17 00:00:00 2001
From: David Golightly <davidgoli@users.noreply.github.com>
Date: Wed, 6 Jul 2016 18:20:59 -0700
Subject: [PATCH] Don't freeze regexps (#65)

---
 lib/freeze.js       | 1 +
 test/freeze-spec.js | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/lib/freeze.js b/lib/freeze.js
index c273ed7..24c3f00 100644
--- a/lib/freeze.js
+++ b/lib/freeze.js
@@ -1,5 +1,6 @@
 function isFreezable(object) {
   if (object === null) return false;
+  if (object instanceof RegExp) return false;
 
   return Array.isArray(object) ||
     typeof object === 'object';
diff --git a/test/freeze-spec.js b/test/freeze-spec.js
index 6c3e976..7fd9bfc 100644
--- a/test/freeze-spec.js
+++ b/test/freeze-spec.js
@@ -35,6 +35,13 @@ describe('u.freeze', () => {
     expect(Object.isFrozen(object.foo)).to.be.false;
   });
 
+  it('ignores regexps', () => {
+    const object = { foo: /\d/ };
+    u.freeze(object);
+
+    expect(Object.isFrozen(object.foo)).to.be.false;
+  });
+
   it('does not freeze children if the parent is already frozen', () => {
     const object = { foo: {} };
     Object.freeze(object);