import type { PropsWithChildren, ReactElement } from 'react'; import { StyleSheet } from 'react-native'; import Animated, { interpolate, useAnimatedRef, useAnimatedStyle, useScrollViewOffset, } from 'react-native-reanimated'; import { ThemedView } from '@/components/theme/Theme'; import { useBottomTabOverflow } from '@/components/ui/TabBarBackground'; import { useColorScheme } from '@/hooks/useColorScheme'; const HEADER_HEIGHT = 250; type Props = PropsWithChildren<{ headerImage: ReactElement; headerBackgroundColor: { dark: string; light: string }; headerHeight?: number; }>; const ParallaxScrollView = ({ children, headerImage, headerBackgroundColor, headerHeight = HEADER_HEIGHT, }: Props) => { const scheme = useColorScheme() ?? 'dark'; const scrollRef = useAnimatedRef(); const scrollOffset = useScrollViewOffset(scrollRef); const bottom = useBottomTabOverflow(); const headerAnimatedStyle = useAnimatedStyle(() => { return { transform: [ { translateY: interpolate( scrollOffset.value, [-headerHeight, 0, headerHeight], [-headerHeight / 2, 0, headerHeight * 0.75], ), }, { scale: interpolate(scrollOffset.value, [-headerHeight, 0, headerHeight], [2, 1, 1]), }, ], }; }); return ( {headerImage} {children} ); }; export default ParallaxScrollView; const styles = StyleSheet.create({ container: { flex: 1, }, header: { overflow: 'hidden', }, content: { flex: 1, padding: 32, gap: 16, overflow: 'hidden', }, });