From a7ea93b978d366a214a9fdad085d1c9a1a0c3abf Mon Sep 17 00:00:00 2001
From: DjDeveloper <43033058+DjDeveloperr@users.noreply.github.com>
Date: Tue, 11 Jan 2022 15:01:52 +0530
Subject: [PATCH] fix(ext/ffi): `pointer` type can accept `null` (#13335)

---
 cli/dts/lib.deno.unstable.d.ts | 2 +-
 test_ffi/tests/ffi_types.ts    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/cli/dts/lib.deno.unstable.d.ts b/cli/dts/lib.deno.unstable.d.ts
index 4b43c181be..b9e9b4d2e1 100644
--- a/cli/dts/lib.deno.unstable.d.ts
+++ b/cli/dts/lib.deno.unstable.d.ts
@@ -151,7 +151,7 @@ declare namespace Deno {
 
   type StaticForeignFunctionParameter<T> = T extends "void" ? void
     : T extends StaticNativeNumberType ? number
-    : T extends "pointer" ? Deno.UnsafePointer | Deno.TypedArray
+    : T extends "pointer" ? Deno.UnsafePointer | Deno.TypedArray | null
     : unknown;
 
   /** Infers a foreign function parameter list. */
diff --git a/test_ffi/tests/ffi_types.ts b/test_ffi/tests/ffi_types.ts
index 0066e362c4..e10cfb8949 100644
--- a/test_ffi/tests/ffi_types.ts
+++ b/test_ffi/tests/ffi_types.ts
@@ -86,7 +86,7 @@ remote.symbols.method14(null);
 remote.symbols.method14(0);
 
 // @ts-expect-error: Invalid argument
-remote.symbols.method15(null);
+remote.symbols.method15(0);
 remote.symbols.method15(new Uint16Array(1));
 remote.symbols.method15({} as Deno.UnsafePointer);