From e5962fda4bf552d3488f976945933cff8b77a645 Mon Sep 17 00:00:00 2001
From: Tetsuharu OHZEKI <saneyuki.snyk@gmail.com>
Date: Wed, 15 Feb 2017 20:32:36 +0900
Subject: [PATCH] Ban DOMRefCell<Heap<T>> by lint plugin

---
 components/plugins/lints/ban.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/components/plugins/lints/ban.rs b/components/plugins/lints/ban.rs
index bd152dfe313..4a4e71c08cc 100644
--- a/components/plugins/lints/ban.rs
+++ b/components/plugins/lints/ban.rs
@@ -43,5 +43,11 @@ impl EarlyLintPass for BanPass {
             .is_some() {
             cx.span_lint(BANNED_TYPE, ty.span, "Banned type DOMRefCell<JS<T>> detected. Use MutJS<JS<T>> instead")
         }
+        if match_ty_unwrap(ty, &["dom", "bindings", "cell", "DOMRefCell"])
+            .and_then(|t| t.get(0))
+            .and_then(|t| match_ty_unwrap(&**t, &["js", "jsapi", "Heap"]))
+            .is_some() {
+            cx.span_lint(BANNED_TYPE, ty.span, "Banned type DOMRefCell<Heap<T>> detected. Use Heap<T> directly instead")
+        }
     }
 }