From a55496b3ecbba8d6e46ccb442b93d1824989cd15 Mon Sep 17 00:00:00 2001
From: Luke Childs <lukechilds123@gmail.com>
Date: Wed, 21 Nov 2018 18:41:15 +0700
Subject: [PATCH] Throw error on invalid bit value

---
 src/index.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/index.js b/src/index.js
index b0fd9bb..3f9af56 100644
--- a/src/index.js
+++ b/src/index.js
@@ -20,6 +20,10 @@ const binaryToBytes = binaryString => Buffer.from(
 const randomNumberBetween = (min, max) => Math.floor(parseInt(randomBytes(1).toString('hex'), 16) / 256 * (max - min + 1) + min);
 
 const dogeSeed = (bits = 128) => {
+  if (bits <= 0 || bits % 8 !== 0) {
+    throw TypeError('bits must be divisible by 8');
+  }
+
   const entropy = randomBytes(bits / 8);
   const words = bytesToBinary(entropy).match(/.{1,11}/g);