From 928914e14e321646a814ad44c4ff9108e37478fe Mon Sep 17 00:00:00 2001
From: Sam Bhagwat <calcsam@gmail.com>
Date: Sun, 4 Feb 2018 08:59:14 -0800
Subject: [PATCH] check markdown images, ensure parent is File before
 referencing dir (#3831)

* check markdown images, ensure parent is File before referencing dir

* add check for parent
---
 packages/gatsby-remark-copy-linked-files/src/index.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/packages/gatsby-remark-copy-linked-files/src/index.js b/packages/gatsby-remark-copy-linked-files/src/index.js
index 229a8830d908f..2ab0b7f8e6ae9 100644
--- a/packages/gatsby-remark-copy-linked-files/src/index.js
+++ b/packages/gatsby-remark-copy-linked-files/src/index.js
@@ -149,6 +149,14 @@ module.exports = (
       return
     }
 
+    // since dir will be undefined on non-files
+    if (
+      markdownNode.parent &&
+      getNode(markdownNode.parent).internal.type !== `File`
+    ) {
+      return
+    }
+
     const imagePath = path.posix.join(
       getNode(markdownNode.parent).dir,
       image.url