From 7b1b669610f66393e5bde818b7b94e09c9a79f32 Mon Sep 17 00:00:00 2001
From: Alexander Zinchuk <alx.zinchuk@gmail.com>
Date: Wed, 4 Jun 2025 20:40:28 +0200
Subject: [PATCH] Fasterdom: Add `suppressStrict`

---
 src/lib/fasterdom/fasterdom.ts   |  2 +-
 src/lib/fasterdom/stricterdom.ts | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/lib/fasterdom/fasterdom.ts b/src/lib/fasterdom/fasterdom.ts
index dc46dd01a..922cf63c6 100644
--- a/src/lib/fasterdom/fasterdom.ts
+++ b/src/lib/fasterdom/fasterdom.ts
@@ -14,7 +14,7 @@ const runUpdatePassOnRaf = throttleWithRafFallback(() => {
   });
 
   // We use promises to provide correct order for Mutation Observer callback microtasks
-  Promise.resolve()
+  void Promise.resolve()
     .then(() => {
       setPhase('mutate');
 
diff --git a/src/lib/fasterdom/stricterdom.ts b/src/lib/fasterdom/stricterdom.ts
index a63cd5f64..b04e4e3eb 100644
--- a/src/lib/fasterdom/stricterdom.ts
+++ b/src/lib/fasterdom/stricterdom.ts
@@ -73,6 +73,17 @@ export function forceMutation(cb: () => any, nodes: Node | Node[]) {
   return cb();
 }
 
+export function suppressStrict(cb: () => any) {
+  if (!isStrict) {
+    return cb();
+  }
+
+  disableStrict();
+  const result = cb();
+  enableStrict();
+  return result;
+}
+
 export function setHandler(handler?: ErrorHandler) {
   onError = handler || DEFAULT_ERROR_HANDLER;
 }