Hotfix: crash caused by malformed blacklist JSON

Fixes #146
re621 · Apr 9, 2020 · f694e2d · f694e2d
1 parent 43e064e
commit f694e2d
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/src/js/components/data/User.ts b/src/js/components/data/User.ts
@@ -27,11 +27,13 @@ export class User {
         this.userid = parseInt($ref.attr("data-user-id")) || 0;
         this.level = $ref.attr("data-user-level-string") || "Guest";
 
-        const filters = JSON.parse($("head meta[name=blacklisted-tags]").attr("content"));
+        const filters = $("head meta[name=blacklisted-tags]").attr("content");
         const blacklistEnabled = $("#disable-all-blacklists").is(":visible");
 
-        for (const filter of filters) {
-            this.addBlacklistFilter(filter, blacklistEnabled);
+        if (filters !== undefined) {
+            for (const filter of JSON.parse(filters)) {
+                this.addBlacklistFilter(filter, blacklistEnabled);
+            }
         }
     }