warn when clipboard is not available

1 files changed, 7 insertions, 2 deletions

diff --git a/packages/web-util/src/components/CopyButton.tsx b/packages/web-util/src/components/CopyButton.tsx
index 0096da365..e76447291 100644
--- a/packages/web-util/src/components/CopyButton.tsx
+++ b/packages/web-util/src/components/CopyButton.tsx
@@ -20,8 +20,13 @@ export function CopiedIcon(): VNode {
 export function CopyButton({ class: clazz, getContent }: { class: string, getContent: () => string }): VNode {
   const [copied, setCopied] = useState(false);
   function copyText(): void {
-    navigator.clipboard.writeText(getContent() || "");
-    setCopied(true);
+    if (!navigator.clipboard && !window.isSecureContext) {
+      alert('clipboard is not available on insecure context (http)')
+    }
+    if (navigator.clipboard) {
+      navigator.clipboard.writeText(getContent() || "");
+      setCopied(true);
+    }
   }
   useEffect(() => {
     if (copied) {