Protection against empty hlists

Page with id: 8239846 has an empty or malformed hlist which throws a "TypeError: Invalid attempt to destructure non-iterable instance" exception.
xcarol · Oct 11, 2023 · 4db7fbb · 4db7fbb
1 parent 120f331
commit 4db7fbb
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/data-types/hlist.js b/data-types/hlist.js
@@ -5,6 +5,9 @@ export default {
   globalPattern: hlistGlobalPattern,
   parsePattern: hlistPattern,
   parse: (results) => {
+    if (!results) {
+      return [];
+    }
     let [, elements] = results;
     return elements.split('|');
   },