From: Alexander Wilms <redacted>
Date: Thu, 26 Jun 2025 22:34:48 +0000 (+0200)
Subject: fix(mermaid-viewer): Handle clipboard API failure gracefully
X-Git-Url: http://source.bookstackapp.com/hacks/commitdiff_plain/166089ff950c32ce37c800b522e2631721d0b07d

fix(mermaid-viewer): Handle clipboard API failure gracefully

Adds a fallback mechanism and logs the error when the clipboard API fails.
---

diff --git a/content/mermaid-viewer/head.html b/content/mermaid-viewer/head.html
index 0f76bfd..b2c3383 100644
--- a/content/mermaid-viewer/head.html
+++ b/content/mermaid-viewer/head.html
@@ -365,8 +365,9 @@
             try {
                 await navigator.clipboard.writeText(this.mermaidCode);
                 this.showNotification('Copied!');
-            } catch (_error) {
+            } catch (error) {
                 // Fallback for older browsers or if clipboard API fails
+                console.error('Clipboard API copy failed, attempting fallback:', error);
                 const textArea = document.createElement('textarea');
                 textArea.value = this.mermaidCode;
                 // Style to make it invisible