From 94cd8d35af7ba5ca1f3efabde83cbd85d70a78ce Mon Sep 17 00:00:00 2001
From: Cody Bennett <hi@codyb.co>
Date: Mon, 13 Jan 2025 13:24:26 -0600
Subject: [PATCH] feat: flushSync

---
 src/index.tsx | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/index.tsx b/src/index.tsx
index 729f696..1df0cac 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -103,6 +103,13 @@ reconciler.injectIntoDevTools({
   rendererPackageName: 'react-nil',
 })
 
+/**
+ * Force React to flush any updates inside the provided callback synchronously and immediately.
+ */
+export function flushSync<R>(fn: () => R): R {
+  return reconciler.flushSync(fn, undefined)
+}
+
 const container: HostContainer = { head: null }
 const root = reconciler.createContainer(container, ConcurrentRoot, null, false, null, '', console.error, null)