From 2db9a36f93c3c0cbfe48f5a02164f89c2c2d343b Mon Sep 17 00:00:00 2001
From: kenzobanaag <kenzo.banaag@wsu.edu>
Date: Wed, 31 Mar 2021 15:03:36 -0700
Subject: [PATCH] Added isImageUrl validation to button, added alert when not
 image (#3933)

* Added isImageUrl validation to button, added alert when not image

* Fixed lint error
---
 site/examples/images.tsx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/site/examples/images.tsx b/site/examples/images.tsx
index 5416303e5..24e4bc864 100644
--- a/site/examples/images.tsx
+++ b/site/examples/images.tsx
@@ -116,7 +116,10 @@ const InsertImageButton = () => {
       onMouseDown={event => {
         event.preventDefault()
         const url = window.prompt('Enter the URL of the image:')
-        if (!url) return
+        if (url && !isImageUrl(url)) {
+          alert('URL is not an image')
+          return
+        }
         insertImage(editor, url)
       }}
     >