From 3576091fc03979b99f59d21db7f131660edfcd9f Mon Sep 17 00:00:00 2001
From: Nolan Lawson <nolan@nolanlawson.com>
Date: Wed, 3 Jul 2019 08:00:02 -0700
Subject: [PATCH] fix: ensure unique keys for React list (#352)

fixes #327
---
 src/components/category.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/components/category.js b/src/components/category.js
index c67c321..adf9a7f 100644
--- a/src/components/category.js
+++ b/src/components/category.js
@@ -204,7 +204,11 @@ export default class Category extends React.Component {
         <ul className="emoji-mart-category-list">
           {emojis &&
             emojis.map((emoji) => (
-              <li key={emoji.id || emoji}>
+              <li
+                key={
+                  (emoji.short_names && emoji.short_names.join('_')) || emoji
+                }
+              >
                 {NimbleEmoji({ emoji: emoji, data: this.data, ...emojiProps })}
               </li>
             ))}