fix: default value if getBoundingClientRect undefined

wiremind · Nov 2, 2023 · a8531e0 · a8531e0
1 parent dcb2cb0
commit a8531e0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/grafana_pdf.js b/grafana_pdf.js
@@ -58,7 +58,7 @@ const auth_header = 'Basic ' + new Buffer.from(auth_string).toString('base64');
 
   // Get the height of the main canvas, and add a margin
   var height_px = await page.evaluate(() => {
-    return document.getElementsByClassName('react-grid-layout')[0].getBoundingClientRect().bottom;
+    return document.getElementsByClassName('react-grid-layout')[0].getBoundingClientRect?.().bottom || 540 ;
   }) + 20;
 
   //Francois: wait for page to be navigable (2min should be more than enough for longrange queries)