From 9fb062e9322598da5054b8bfaf5cffaebeb56834 Mon Sep 17 00:00:00 2001
From: Jover <joverlee521@gmail.com>
Date: Mon, 27 Jan 2020 15:40:20 -0800
Subject: [PATCH] hover: fix bug when authorInfo is null

When check for `authorInfo` instead of `authorInfo.value` since
`authorInfo` can be returned as `undefined`.
---
 src/components/tree/infoPanels/hover.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/components/tree/infoPanels/hover.js b/src/components/tree/infoPanels/hover.js
index b00ab59a3..62f705357 100644
--- a/src/components/tree/infoPanels/hover.js
+++ b/src/components/tree/infoPanels/hover.js
@@ -269,7 +269,7 @@ const VaccineInfo = ({node}) => {
 const AttributionInfo = ({node}) => {
   const renderElements = [];
   const authorInfo = getFullAuthorInfoFromNode(node);
-  if (authorInfo.value) {
+  if (authorInfo) {
     renderElements.push(<InfoLine name="Author:" value={authorInfo.value} key="author"/>);
   }