[IOAPPX-428] Add the new useScaleAnimation and useListItemAnimation hooks + Add support for the reducedMotion a11y setting

jestSetup.js

@@ -28,7 +28,9 @@ jest.mock("react-native-reanimated", () => {
   // The mock misses the `addWhitelistedUIProps` implementation
   // So we override it with a no-op
   // eslint-disable-next-line functional/immutable-data,@typescript-eslint/no-empty-function
-  Reanimated.default.addWhitelistedUIProps = () => {};
+  Reanimated.default.addWhitelistedUIProps = () => { };
+  // eslint-disable-next-line functional/immutable-data
+  Reanimated.useReducedMotion = () => false;
 
   return Reanimated;
 });

src/components/alert/Alert.tsx

@@ -1,4 +1,4 @@
-import React, { useCallback, useState } from "react";
+import React, { forwardRef, useCallback, useState } from "react";
 import {
   ColorValue,
   GestureResponderEvent,
@@ -9,20 +9,12 @@ import {
   TextLayoutEventData,
   View
 } from "react-native";
-import Animated, {
-  Extrapolation,
-  SharedValue,
-  interpolate,
-  useAnimatedStyle,
-  useDerivedValue,
-  useSharedValue,
-  withSpring
-} from "react-native-reanimated";
+import Animated from "react-native-reanimated";
 import { IOVisualCostants, useIOThemeContext } from "../../core";
-import { IOScaleValues, IOSpringValues } from "../../core/IOAnimations";
 import { IOColors, hexToRgba } from "../../core/IOColors";
 import { IOAlertRadius } from "../../core/IOShapes";
 import { IOAlertSpacing } from "../../core/IOSpacing";
+import { useScaleAnimation } from "../../hooks";
 import { WithTestID } from "../../utils/types";
 import { IOIconSizeScale, IOIcons, Icon } from "../icons";
 import { VSpacer } from "../spacer";
@@ -132,7 +124,7 @@ const mapVariantStatesDarkMode: Record<
   }
 };
 
-export const Alert = React.forwardRef<View, AlertType>(
+export const Alert = forwardRef<View, AlertType>(
   (
     {
       variant,
@@ -146,8 +138,9 @@ export const Alert = React.forwardRef<View, AlertType>(
     }: AlertType,
     viewRef
   ): JSX.Element => {
+    const { onPressIn, onPressOut, scaleAnimatedStyle } =
+      useScaleAnimation("medium");
     const { themeType } = useIOThemeContext();
-    const isPressed: SharedValue<number> = useSharedValue(0);
 
     const [isMultiline, setIsMultiline] = useState(false);
 
@@ -158,38 +151,6 @@ export const Alert = React.forwardRef<View, AlertType>(
       []
     );
 
-    // Scaling transformation applied when the button is pressed
-    const animationScaleValue = IOScaleValues?.magnifiedButton?.pressedState;
-
-    // Using a spring-based animation for our interpolations
-    const progressPressed = useDerivedValue(() =>
-      withSpring(isPressed.value, IOSpringValues.button)
-    );
-
-    // Interpolate animation values from `isPressed` values
-    const pressedAnimationStyle = useAnimatedStyle(() => {
-      // Scale down button slightly when pressed
-      const scale = interpolate(
-        progressPressed.value,
-        [0, 1],
-        [1, animationScaleValue],
-        Extrapolation.CLAMP
-      );
-
-      return {
-        transform: [{ scale }]
-      };
-    });
-
-    const onPressIn = useCallback(() => {
-      // eslint-disable-next-line functional/immutable-data
-      isPressed.value = 1;
-    }, [isPressed]);
-    const onPressOut = useCallback(() => {
-      // eslint-disable-next-line functional/immutable-data
-      isPressed.value = 0;
-    }, [isPressed]);
-
     const mapVariantStates =
       themeType === "light"
         ? mapVariantStatesLightMode
@@ -287,7 +248,7 @@ export const Alert = React.forwardRef<View, AlertType>(
             fullWidth ? styles.spacingFullWidth : styles.spacingDefault,
             { backgroundColor: mapVariantStates[variant].background },
             // Disable pressed animation when component is full width
-            !fullWidth && pressedAnimationStyle
+            !fullWidth && scaleAnimatedStyle
           ]}
         >
           {renderMainBlock()}

src/components/alert/AlertEdgeToEdge.tsx

@@ -1,23 +1,14 @@
-import React, { useCallback, useMemo } from "react";
+import React, { useMemo } from "react";
 import {
   GestureResponderEvent,
   Pressable,
   StyleSheet,
   Text,
   View
 } from "react-native";
-import Animated, {
-  Extrapolate,
-  interpolate,
-  useAnimatedStyle,
-  useDerivedValue,
-  useSharedValue,
-  withSpring
-} from "react-native-reanimated";
+import Animated from "react-native-reanimated";
 import { useSafeAreaInsets } from "react-native-safe-area-context";
 import {
-  IOScaleValues,
-  IOSpringValues,
   IOVisualCostants,
   enterTransitionAlertEdgeToEdge,
   enterTransitionAlertEdgeToEdgeContent,
@@ -30,6 +21,7 @@ import {
 } from "../../core/IOColors";
 import { IOAlertSpacing } from "../../core/IOSpacing";
 import { IOStyles } from "../../core/IOStyles";
+import { useScaleAnimation } from "../../hooks";
 import { makeFontStyleObject } from "../../utils/fonts";
 import { WithTestID } from "../../utils/types";
 import { IOIconSizeScale, IOIcons, Icon } from "../icons";
@@ -105,42 +97,10 @@ export const AlertEdgeToEdge = ({
   accessibilityHint,
   testID
 }: AlertEdgeToEdgeProps) => {
-  const isPressed: Animated.SharedValue<number> = useSharedValue(0);
-
+  const { onPressIn, onPressOut, scaleAnimatedStyle } =
+    useScaleAnimation("slight");
   const insets = useSafeAreaInsets();
 
-  // Scaling transformation applied when the button is pressed
-  const animationScaleValue = IOScaleValues?.basicButton?.pressedState;
-
-  // Using a spring-based animation for our interpolations
-  const progressPressed = useDerivedValue(() =>
-    withSpring(isPressed.value, IOSpringValues.button)
-  );
-
-  // Interpolate animation values from `isPressed` values
-  const pressedAnimationStyle = useAnimatedStyle(() => {
-    // Scale down button slightly when pressed
-    const scale = interpolate(
-      progressPressed.value,
-      [0, 1],
-      [1, animationScaleValue],
-      Extrapolate.CLAMP
-    );
-
-    return {
-      transform: [{ scale }]
-    };
-  });
-
-  const onPressIn = useCallback(() => {
-    // eslint-disable-next-line functional/immutable-data
-    isPressed.value = 1;
-  }, [isPressed]);
-  const onPressOut = useCallback(() => {
-    // eslint-disable-next-line functional/immutable-data
-    isPressed.value = 0;
-  }, [isPressed]);
-
   const backgroundColor = useMemo(
     () => IOColors[mapVariantStates[variant].background],
     [variant]
@@ -201,7 +161,7 @@ export const AlertEdgeToEdge = ({
     >
       <Animated.View
         entering={enterTransitionAlertEdgeToEdgeContent}
-        style={[styles.alert, pressedAnimationStyle]}
+        style={[styles.alert, scaleAnimatedStyle]}
       >
         {renderMainBlock()}
       </Animated.View>

src/components/banner/Banner.tsx

@@ -1,4 +1,4 @@
-import React, { useCallback } from "react";
+import React from "react";
 import {
   AccessibilityRole,
   GestureResponderEvent,
@@ -7,28 +7,19 @@ import {
   View,
   ViewStyle
 } from "react-native";
-import Animated, {
-  Extrapolation,
-  interpolate,
-  SharedValue,
-  useAnimatedStyle,
-  useDerivedValue,
-  useSharedValue,
-  withSpring
-} from "react-native-reanimated";
+import Animated from "react-native-reanimated";
 import {
   IOBannerBigSpacing,
   IOBannerRadius,
   IOBannerSmallHSpacing,
   IOBannerSmallVSpacing,
-  IOScaleValues,
-  IOSpringValues,
   IOStyles,
   useIOExperimentalDesign,
   useIOTheme,
   useIOThemeContext
 } from "../../core";
 import { hexToRgba, IOColors } from "../../core/IOColors";
+import { useScaleAnimation } from "../../hooks";
 import { WithTestID } from "../../utils/types";
 import { IconButton } from "../buttons";
 import {
@@ -159,7 +150,8 @@ export const Banner = ({
   accessibilityLabel,
   testID
 }: Banner) => {
-  const isPressed: SharedValue<number> = useSharedValue(0);
+  const { onPressIn, onPressOut, scaleAnimatedStyle } =
+    useScaleAnimation("medium");
 
   const { isExperimental } = useIOExperimentalDesign();
   const { themeType } = useIOThemeContext();
@@ -181,40 +173,6 @@ export const Banner = ({
     paddingHorizontal: size === "big" ? sizeBigPadding : sizeSmallHPadding
   };
 
-  // Scaling transformation applied when the button is pressed
-  const animationScaleValue = IOScaleValues?.magnifiedButton?.pressedState;
-
-  // Using a spring-based animation for our interpolations
-  const progressPressed = useDerivedValue(() =>
-    withSpring(isPressed.value, IOSpringValues.button)
-  );
-
-  // Interpolate animation values from `isPressed` values
-  const pressedAnimationStyle = useAnimatedStyle(() => {
-    // Link color states to the pressed states
-
-    // Scale down button slightly when pressed
-    const scale = interpolate(
-      progressPressed.value,
-      [0, 1],
-      [1, animationScaleValue],
-      Extrapolation.CLAMP
-    );
-
-    return {
-      transform: [{ scale }]
-    };
-  });
-
-  const onPressIn = useCallback(() => {
-    // eslint-disable-next-line functional/immutable-data
-    isPressed.value = 1;
-  }, [isPressed]);
-  const onPressOut = useCallback(() => {
-    // eslint-disable-next-line functional/immutable-data
-    isPressed.value = 0;
-  }, [isPressed]);
-
   /* Generates a complete fallbackAccessibilityLabel by concatenating the title, content, and action
    if they are present. */
   const fallbackAccessibilityLabel = [title, content, action]
@@ -305,11 +263,7 @@ export const Banner = ({
       accessible={false}
     >
       <Animated.View
-        style={[
-          styles.container,
-          dynamicContainerStyles,
-          pressedAnimationStyle
-        ]}
+        style={[styles.container, dynamicContainerStyles, scaleAnimatedStyle]}
       >
         {renderMainBlock()}
       </Animated.View>