From cdaed61bf09f34e35da4814cdd536318eb7317e5 Mon Sep 17 00:00:00 2001
From: plainheart <yhen@all-my-life.cn>
Date: Thu, 15 Jul 2021 18:15:21 +0800
Subject: [PATCH] fix(canvas): remove unnecessary null check.

---
 src/canvas/graphic.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/canvas/graphic.ts b/src/canvas/graphic.ts
index 41c7aa2f4..b65f494f1 100644
--- a/src/canvas/graphic.ts
+++ b/src/canvas/graphic.ts
@@ -30,7 +30,7 @@ function styleHasStroke(style: PathStyleProps) {
 function isValidStrokeFillStyle(
     strokeOrFill: PathStyleProps['stroke'] | PathStyleProps['fill']
 ): strokeOrFill is string {
-    return strokeOrFill != null && strokeOrFill !== 'none' && typeof strokeOrFill === 'string';
+    return typeof strokeOrFill === 'string' && strokeOrFill !== 'none';
 }
 
 function styleHasFill(style: PathStyleProps) {