From 06bd692e5c4a8f66960d3919e7087530b60c20dd Mon Sep 17 00:00:00 2001
From: Liam Murphy <43807659+Liamolucko@users.noreply.github.com>
Date: Tue, 26 Jan 2021 23:34:40 +1100
Subject: fix(std/node): Stop callbacks being called twice when callback throws
 error (#8867)

---
 std/node/_fs/_fs_common.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'std/node/_fs/_fs_common.ts')

diff --git a/std/node/_fs/_fs_common.ts b/std/node/_fs/_fs_common.ts
index 73a0a81ef..c233b2d76 100644
--- a/std/node/_fs/_fs_common.ts
+++ b/std/node/_fs/_fs_common.ts
@@ -6,7 +6,7 @@ import {
   TextEncodings,
 } from "../_utils.ts";
 
-export type CallbackWithError = (err?: Error | null) => void;
+export type CallbackWithError = (err: Error | null) => void;
 
 export interface FileOptions {
   encoding?: Encodings;
-- 
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