From c4d68dd3edf7af998e30def9ab68a252e3158b2b Mon Sep 17 00:00:00 2001
From: mrbone <sgbfire@gmail.com>
Date: Fri, 19 Oct 2018 18:31:44 +0800
Subject: [PATCH] parse value to string type when value is 0

---
 index.js       |  2 ++
 test/cookie.js | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/index.js b/index.js
index 9c468ae..c2994ae 100644
--- a/index.js
+++ b/index.js
@@ -117,6 +117,8 @@ Cookies.prototype.set = function(name, value, opts) {
 };
 
 function Cookie(name, value, attrs) {
+  var value = value === 0 ? value+'' : value;
+
   if (!fieldContentRegExp.test(name)) {
     throw new TypeError('argument name is invalid');
   }
diff --git a/test/cookie.js b/test/cookie.js
index 347c2e8..de9bf85 100644
--- a/test/cookie.js
+++ b/test/cookie.js
@@ -32,6 +32,26 @@ describe('new Cookie(name, value, [options])', function () {
     }, /option domain is invalid/)
   })
 
+  describe('set value', function(){
+    it('should set the correct header when value is positive number', function(){
+      var cookie = new cookies.Cookie('foo', 1);
+
+      assert.equal(cookie.toHeader(), 'foo=1; path=/; httponly');
+    })
+
+    it('should set the correct header when value is negative number', function(){
+      var cookie = new cookies.Cookie('foo', -1);
+
+      assert.equal(cookie.toHeader(), 'foo=-1; path=/; httponly');
+    })
+
+    it('should set the correct header when value is 0', function(){
+      var cookie = new cookies.Cookie('foo', 0);
+
+      assert.equal(cookie.toHeader(), 'foo=0; path=/; httponly');
+    })
+  })
+
   describe('options', function () {
     describe('maxage', function () {
       it('should set the .maxAge property', function () {