fix(latex): avoid accessing null

2026-06-01 19:01:22 +00:00 · 2022-09-08 11:00:49 +08:00
parent 6e3f784626
commit 853c6d44c5
1 changed files with 6 additions and 4 deletions
--- a/src/main/frontend/extensions/latex.cljs
+++ b/src/main/frontend/extensions/latex.cljs
@@ -18,10 +18,12 @@
  [state]
  (let [[id s display?] (:rum/args state)]
    (try
-      (js/katex.render s (gdom/getElement id)
-                      #js {:displayMode display?
-                           :throwOnError false
-                           :strict false})
+      (when-let [elem (gdom/getElement id)]
+        (js/katex.render s elem
+                         #js {:displayMode display?
+                              :throwOnError false
+                              :strict false}))
+
      (catch js/Error e
        (js/console.error e)))))