From 9f9c3d9048108200a888c508328d2a19cbbd6164 Mon Sep 17 00:00:00 2001
From: sigmaSd <bedisnbiba@gmail.com>
Date: Sun, 22 Oct 2023 09:02:55 +0100
Subject: fix(polyfill): correctly handle flag when its equal 0 (#20953)

Fixes https://github.com/denoland/deno/issues/20910
---
 ext/node/polyfills/_fs/_fs_open.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'ext/node/polyfills/_fs/_fs_open.ts')

diff --git a/ext/node/polyfills/_fs/_fs_open.ts b/ext/node/polyfills/_fs/_fs_open.ts
index 571a06a5d..fc5defb51 100644
--- a/ext/node/polyfills/_fs/_fs_open.ts
+++ b/ext/node/polyfills/_fs/_fs_open.ts
@@ -57,8 +57,8 @@ function convertFlagAndModeToOptions(
   flag?: openFlags,
   mode?: number,
 ): Deno.OpenOptions | undefined {
-  if (!flag && !mode) return undefined;
-  if (!flag && mode) return { mode };
+  if (flag === undefined && mode === undefined) return undefined;
+  if (flag === undefined && mode) return { mode };
   return { ...getOpenOptions(flag), mode };
 }
 
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