From afd7cf9d453bd9bca7086cb3a910bc89d1a82965 Mon Sep 17 00:00:00 2001
From: leon-morival <leon.morival@gmail.com>
Date: Fri, 3 Oct 2025 10:43:08 +0200
Subject: [PATCH] animated tab bar

---
 src/components/PressableScale.js | 68 ++++++++++++++++++++++++++++++++
 src/navigation/BottomTab.js      |  1 +
 src/navigation/TabBar.js         | 36 ++++++++++++-----
 3 files changed, 96 insertions(+), 9 deletions(-)
 create mode 100644 src/components/PressableScale.js

diff --git a/src/components/PressableScale.js b/src/components/PressableScale.js
new file mode 100644
index 0000000..5819ee4
--- /dev/null
+++ b/src/components/PressableScale.js
@@ -0,0 +1,68 @@
+import React, { useCallback, useEffect } from "react";
+import { Pressable } from "react-native";
+import Animated, {
+  cancelAnimation,
+  useAnimatedStyle,
+  useSharedValue,
+  withSpring,
+} from "react-native-reanimated";
+
+export default function PressableScale({
+  children,
+  onPress,
+  style,
+  contentStyle,
+  hitSlop = 8,
+  disabled = false,
+  scaleTo = 1.5,
+  spring = { damping: 18, stiffness: 220, mass: 0.8 },
+  ...rest
+}) {
+  const sv = useSharedValue(1);
+
+  const rStyle = useAnimatedStyle(() => ({
+    transform: [{ scale: sv.value }],
+  }));
+
+  const pressIn = useCallback(() => {
+    if (disabled) return;
+    cancelAnimation(sv);
+    sv.value = 1;
+    sv.value = withSpring(scaleTo, spring);
+  }, [disabled, scaleTo, spring, sv]);
+
+  const reset = useCallback(() => {
+    cancelAnimation(sv);
+    sv.value = withSpring(1, spring);
+  }, [spring, sv]);
+
+  useEffect(
+    () => () => {
+      cancelAnimation(sv);
+      sv.value = 1;
+    },
+    [sv]
+  );
+
+  return (
+    <Pressable
+      onPressIn={pressIn}
+      onPressOut={reset}
+      onTouchCancel={reset}
+      onHoverOut={reset} // web
+      onMouseUp={reset} // web
+      onMouseLeave={reset} // web
+      onBlur={reset}
+      onPress={(e) => {
+        onPress?.(e);
+        reset();
+      }}
+      hitSlop={hitSlop}
+      disabled={disabled}
+      style={style}
+      {...rest}
+    >
+      <Animated.View style={[contentStyle, rStyle]}>{children}</Animated.View>
+    </Pressable>
+  );
+}
diff --git a/src/navigation/BottomTab.js b/src/navigation/BottomTab.js
index 920a466..a8c7ed2 100644
--- a/src/navigation/BottomTab.js
+++ b/src/navigation/BottomTab.js
@@ -25,6 +25,7 @@ export const BottomTabScreen = () => {
       animate={{
         tintColor: focused ? Palette.white : "#8B8883",
       }}
+      transition={{ type: "spring", damping: 18, mass: 0.7 }}
       style={[
         {
           width: Platform.OS === "web" ? 30 : 24,
diff --git a/src/navigation/TabBar.js b/src/navigation/TabBar.js
index e1926f1..127754d 100644
--- a/src/navigation/TabBar.js
+++ b/src/navigation/TabBar.js
@@ -1,5 +1,6 @@
+import { Motion } from "@legendapp/motion";
 import * as Haptics from "expo-haptics";
-import React from "react";
+import React, { useState } from "react";
 import { Text, TouchableOpacity, View } from "react-native";
 
 import ItemContainer from "../components/ItemContainer/ItemContainer";
@@ -9,6 +10,7 @@ import { FONT_FAMILY } from "../styles/Fonts";
 
 const TabBar = ({ state = {}, descriptors = {}, navigation = {} }) => {
   const { isWeb } = useLayoutType();
+  const [pressedIndex, setPressedIndex] = useState(null);
 
   return (
     <View
@@ -87,18 +89,34 @@ const TabBar = ({ state = {}, descriptors = {}, navigation = {} }) => {
                   testID={options.tabBarTestID}
                   onPress={_onPressTabBar}
                   onLongPress={onLongPress}
+                  onPressIn={() => setPressedIndex(index)}
+                  onPressOut={() => setPressedIndex(null)}
                 >
-                  {options?.tabBarIcon({ focused: isFocused })}
-                  <Text
+                  <Motion.View
+                    animate={{
+                      scale: isFocused
+                        ? 1.12
+                        : pressedIndex === index
+                          ? 1.05
+                          : 1,
+                    }}
+                    transition={{ type: "spring", damping: 18, mass: 0.7 }}
                     style={{
-                      fontSize: isWeb ? 14 : 10,
-                      color: isFocused ? Palette.white : "#8B8883",
-                      fontFamily: FONT_FAMILY.HelveticaNeueRegular,
-                      marginTop: 2,
+                      ...Style.containerCenter,
                     }}
                   >
-                    {label}
-                  </Text>
+                    {options?.tabBarIcon({ focused: isFocused })}
+                    <Text
+                      style={{
+                        fontSize: isWeb ? 14 : 10,
+                        color: isFocused ? Palette.white : "#8B8883",
+                        fontFamily: FONT_FAMILY.HelveticaNeueRegular,
+                        marginTop: 2,
+                      }}
+                    >
+                      {label}
+                    </Text>
+                  </Motion.View>
                 </TouchableOpacity>
               )
             );