From 8f8ed12c9feaf89f4e13028798ea47abc088b1c7 Mon Sep 17 00:00:00 2001
From: Pedro Nauck <pedronauck@gmail.com>
Date: Wed, 27 Feb 2019 19:29:07 -0300
Subject: [PATCH] fix(gatsby-theme-docz): check data before access

---
 core/gatsby-theme-docz/src/node/createPages.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/gatsby-theme-docz/src/node/createPages.js b/core/gatsby-theme-docz/src/node/createPages.js
index be28bce5d..f6853ade8 100644
--- a/core/gatsby-theme-docz/src/node/createPages.js
+++ b/core/gatsby-theme-docz/src/node/createPages.js
@@ -33,7 +33,7 @@ module.exports = ({ graphql, actions }, opts) => {
 
   return graphql(ENTRIES_QUERY).then(({ data, errors }) => {
     const hasErrors = errors && errors.length > 0
-    const entries = data.allDoczEntries.edges
+    const entries = data && data.allDoczEntries.edges
     if (!entries || entries.length === 0 || hasErrors) return
 
     entries.forEach(({ node: entry }) => {