Robust wait until Viz is loaded

jbussemaker · Jan 29, 2024 · d593832 · d593832
1 parent abf7c46
commit d593832
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/adsg_core/render.py b/adsg_core/render.py
@@ -73,8 +73,11 @@ def _wrap_html(dot):
   function doRender() {{
     Viz.instance().then(function(viz) {{ document.getElementById("{div_id}").appendChild(viz.renderSVGElement(dot)); }});
   }}
-  // We need to wait for loading to complete
-  if (typeof Viz === "undefined") {{ setTimeout(doRender, 200); }} else {{ doRender(); }}
+  // We may need to wait for loading to complete
+  function checkRender() {{
+    if (typeof Viz === "undefined") {{ setTimeout(checkRender, 200); }} else {{ doRender(); }} 
+  }}
+  checkRender();
 }})()
 </script>
 """