Notify script on tab close #1

bill-long · Jun 11, 2020 · 45c50b9 · 45c50b9
1 parent 0a10b19
commit 45c50b9
Show file tree

Hide file tree

Showing 2 changed files with 10 additions and 0 deletions.
diff --git a/ExTRA.ps1 b/ExTRA.ps1
@@ -71,6 +71,10 @@ try {
             $context.Response.OutputStream.Write($pageContentUTF8, 0, $pageContentUTF8.Length)
             $context.Response.Close()
         }
+        elseif ($context.Request.HttpMethod -eq "PUT") {
+            Write-Host "Browser tab was closed without saving changes."
+            break
+        }
         elseif ($context.Request.HttpMethod -eq "POST") {
             $reader = New-Object System.IO.StreamReader($context.Request.InputStream, "UTF8")
             $body = $reader.ReadToEnd()

diff --git a/ui.html b/ui.html
@@ -160,6 +160,12 @@
             checkboxesDiv.innerHTML = "";
             newChildElements.forEach(c => checkboxesDiv.appendChild(c));
         }
+
+        window.onbeforeunload = () => {
+            fetch(window.location.href, {
+                method: 'PUT'
+            });
+        };
     </script>
 
 </html>