1 files changed, 6 insertions, 0 deletions
diff --git a/components/plugins/lints/ban.rs b/components/plugins/lints/ban.rs
index 02037a5d76a..0e1ebc94721 100644
--- a/components/plugins/lints/ban.rs
+++ b/components/plugins/lints/ban.rs
@@ -37,5 +37,11 @@ impl EarlyLintPass for BanPass {
             .is_some() {
             cx.span_lint(BANNED_TYPE, ty.span, "Banned type Cell<JSVal> detected. Use MutHeap<JSVal> instead")
         }
+        if match_ty_unwrap(ty, &["dom", "bindings", "cell", "DOMRefCell"])
+            .and_then(|t| t.get(0))
+            .and_then(|t| match_ty_unwrap(&**t, &["dom", "bindings", "js", "JS"]))
+            .is_some() {
+            cx.span_lint(BANNED_TYPE, ty.span, "Banned type DOMRefCell<JS<T>> detected. Use MutHeap<JS<T>> instead")
+        }
     }
 }