From 8b610f2bcfc223333254ce9679730c42dce6d26e Mon Sep 17 00:00:00 2001
From: Kai Stevenson <kai@kaistevenson.com>
Date: Mon, 3 Nov 2025 23:41:31 -0800
Subject: add createFn

---
 src/lang/ts-lang/util/utils.ts | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 src/lang/ts-lang/util/utils.ts

(limited to 'src/lang/ts-lang/util/utils.ts')

diff --git a/src/lang/ts-lang/util/utils.ts b/src/lang/ts-lang/util/utils.ts
new file mode 100644
index 0000000..ac36ca1
--- /dev/null
+++ b/src/lang/ts-lang/util/utils.ts
@@ -0,0 +1,8 @@
+export type UnarrayIfOnlyHead<T extends readonly any[]> = T extends [
+  infer Head,
+  infer Next
+]
+  ? T
+  : T extends [infer Head]
+  ? Head
+  : T;
-- 
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