From 4beaa2e2c9e66d02532826de321723d6ff7ce7e5 Mon Sep 17 00:00:00 2001
From: Eduardo Diaz <lalo.diaz1896@gmail.com>
Date: Tue, 4 Aug 2020 10:38:55 -0500
Subject: [PATCH] factorial

---
 src/index.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/index.js b/src/index.js
index f16abeb..2175e4c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,5 +1,7 @@
 const factorial = (number) => {
-    
-  }
+  if (number < 0) return;
+  if (number === 0) return 1;
+  return number * factorial(number - 1);
+};
 
-  module.exports = factorial;
\ No newline at end of file
+module.exports = factorial;