import type { PropsWithChildren, ReactElement } from "react" import { StyleSheet } from "react-native" import Animated, { interpolate, useAnimatedRef, useAnimatedStyle, useScrollOffset, } from "react-native-reanimated" import { ThemedView } from "@/components/themed-view" import { useColorScheme } from "@/hooks/use-color-scheme" import { useThemeColor } from "@/hooks/use-theme-color" const HEADER_HEIGHT = 250 type Props = PropsWithChildren<{ headerImage: ReactElement headerBackgroundColor: { dark: string; light: string } }> export default function ParallaxScrollView({ children, headerImage, headerBackgroundColor, }: Props) { const backgroundColor = useThemeColor({}, "background") const colorScheme = useColorScheme() ?? "light" const scrollRef = useAnimatedRef() const scrollOffset = useScrollOffset(scrollRef) const headerAnimatedStyle = useAnimatedStyle(() => { return { transform: [ { translateY: interpolate( scrollOffset.value, [-HEADER_HEIGHT, 0, HEADER_HEIGHT], [-HEADER_HEIGHT / 2, 0, HEADER_HEIGHT * 0.75], ), }, { scale: interpolate(scrollOffset.value, [-HEADER_HEIGHT, 0, HEADER_HEIGHT], [2, 1, 1]), }, ], } }) return ( {headerImage} {children} ) } const styles = StyleSheet.create({ container: { flex: 1, }, header: { height: HEADER_HEIGHT, overflow: "hidden", }, content: { flex: 1, padding: 32, gap: 16, overflow: "hidden", }, })