From 6d4b05a51bf44fb0feb45633ea1309336470a2a3 Mon Sep 17 00:00:00 2001
From: Kwonkunkun <kunwoo5012@naver.com>
Date: Sat, 6 May 2023 15:59:38 +0900
Subject: [PATCH] fix: app crash when opcty slider is moved to 0

Motivation:
- When the opacity slider is moved to 0, the app crashes
- When the opacity slider is moved to 0, slider not visible

Modifications:
- add !! prefix check value
- erase opacity value in logic conditional render (detail in the commit)
---
 .../src/brushProperties/BrushProperties.tsx                   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/react-native-draw-extras/src/brushProperties/BrushProperties.tsx b/packages/react-native-draw-extras/src/brushProperties/BrushProperties.tsx
index 2b09726..34d7fd0 100644
--- a/packages/react-native-draw-extras/src/brushProperties/BrushProperties.tsx
+++ b/packages/react-native-draw-extras/src/brushProperties/BrushProperties.tsx
@@ -126,7 +126,7 @@ const BrushProperties = forwardRef<BrushPropertiesRef, BrushPropertiesProps>(
           colors={colors}
           onColorChange={onColorChange}
         />
-        {thickness && onThicknessChange && opacity && onOpacityChange && (
+        {!!thickness && !!onThicknessChange && !!onOpacityChange && (
           <View style={styles.sliderContainer}>
             {thickness && onThicknessChange && (
               <Slider
@@ -139,7 +139,7 @@ const BrushProperties = forwardRef<BrushPropertiesRef, BrushPropertiesProps>(
                 minimumTrackTintColor={sliderColor}
               />
             )}
-            {opacity && onOpacityChange && (
+            {onOpacityChange && (
               <Slider
                 minimumValue={0}
                 maximumValue={1}