Added onerror fallback functions

digicatapult · Apr 26, 2024 · ff7b1be · ff7b1be
1 parent de8ce73
commit ff7b1be
Showing 1 changed file with 14 additions and 2 deletions.
diff --git a/src/index.html b/src/index.html
@@ -1,8 +1,20 @@
 <!DOCTYPE html>
 <html lang='en'>
   <head>
-    <script crossorigin src="react.production.min.js"></script>
-    <script crossorigin src="react-dom.production.min.js"></script>
+    <script crossorigin src="https://unpkg.com/react@18/umd/react.production.min.js" onerror="loadLocalReact()"></script>
+    <script crossorigin src="https://unpkg.com/react-dom@18/umd/react-dom.production.min.js" onerror="loadLocalReactDom()"></script>
+    <script>
+      function loadLocalReact() {
+        var script = document.createElement('script');
+        script.src = '/react.production.min.js';
+        document.head.appendChild(script);
+      }
+      function loadLocalReactDom() {
+        var script = document.createElement('script');
+        script.src = '/react-dom.production.min.js';
+        document.head.appendChild(script);
+      }
+    </script>
     <script src='/config.js' type='module'></script>
     <base href="/" />