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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| import React, { useCallback, useMemo, useRef, useState } from 'react'; | ||
| import { SafeAreaView, StyleSheet, Text } from 'react-native'; | ||
| import BottomSheet from '@gorhom/bottom-sheet'; | ||
| import ContactList from '../components/contactList'; | ||
| import Button from '../components/button'; | ||
| import { SafeAreaProvider } from 'react-native-safe-area-context'; | ||
|
|
||
| const App = () => { | ||
| // state | ||
| const [mount, setMount] = useState(false); | ||
| const [showResult, setShowResult] = useState(false); | ||
|
|
||
| // ref | ||
| const bottomSheetRef = useRef<BottomSheet>(null); | ||
|
|
||
| // variables | ||
| const snapPoints = useMemo(() => [150, 300, 450], []); | ||
| const initialSnapPoint = useRef(0); | ||
| const startPerfTime = useRef(0); | ||
| const endPerfTime = useRef(0); | ||
|
|
||
| // callbacks | ||
| const finishPerformanceTest = useCallback(() => { | ||
| endPerfTime.current = Date.now(); | ||
| setShowResult(true); | ||
| }, []); | ||
|
|
||
| const handleMountPress = useCallback(() => { | ||
| startPerfTime.current = Date.now(); | ||
| setMount(state => !state); | ||
| }, []); | ||
|
|
||
| const handleAutoAnimatePress = useCallback(() => { | ||
| initialSnapPoint.current = -1; | ||
| handleMountPress(); | ||
| let index = 0; | ||
| let loop = 1; | ||
|
|
||
| const timer = setInterval(() => { | ||
| if (loop === 4) { | ||
| clearInterval(timer); | ||
| return; | ||
| } | ||
|
|
||
| if (index > snapPoints.length - 1) { | ||
| index = 0; | ||
| loop++; | ||
| } | ||
|
|
||
| bottomSheetRef.current?.snapTo(index++); | ||
| }, 1000); | ||
|
|
||
| return () => { | ||
| clearInterval(timer); | ||
| }; | ||
| }, [snapPoints, handleMountPress]); | ||
|
|
||
| // render | ||
| return ( | ||
| <SafeAreaProvider> | ||
| <SafeAreaView style={styles.container}> | ||
| <Button | ||
| label="Mount" | ||
| style={styles.buttonContainer} | ||
| onPress={handleMountPress} | ||
| /> | ||
| <Button | ||
| label="Auto Animate" | ||
| style={styles.buttonContainer} | ||
| onPress={handleAutoAnimatePress} | ||
| /> | ||
| <Text style={styles.version}>Reanimated v2 alpha-6</Text> | ||
|
|
||
| {showResult && ( | ||
| <Text style={styles.measure}> | ||
| {endPerfTime.current - startPerfTime.current}ms | ||
| </Text> | ||
| )} | ||
|
|
||
| {mount && ( | ||
| <BottomSheet | ||
| ref={bottomSheetRef} | ||
| initialSnapIndex={initialSnapPoint.current} | ||
| snapPoints={snapPoints} | ||
| > | ||
| <ContactList | ||
| type="View" | ||
| count={5} | ||
| onLayout={finishPerformanceTest} | ||
| /> | ||
| </BottomSheet> | ||
| )} | ||
| </SafeAreaView> | ||
| </SafeAreaProvider> | ||
| ); | ||
| }; | ||
|
|
||
| const styles = StyleSheet.create({ | ||
| container: { | ||
| flex: 1, | ||
| }, | ||
| buttonContainer: { | ||
| marginHorizontal: 24, | ||
| marginBottom: 6, | ||
| }, | ||
| measure: { | ||
| marginHorizontal: 24, | ||
| fontSize: 64, | ||
| fontWeight: 'bold', | ||
| }, | ||
| version: { | ||
| marginHorizontal: 24, | ||
| marginTop: 12, | ||
| fontSize: 20, | ||
| }, | ||
| }); | ||
|
|
||
| export default App; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| export { | ||
| createContactListMockData, | ||
| createContactSectionsMockData, | ||
| createLocationListMockData, | ||
| } from './createMockData'; | ||
| export { transformOrigin } from './transformOrigin'; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| // @ts-ignore | ||
| export const transformOrigin = ({ x, y }, ...transformations) => { | ||
| 'worklet'; | ||
| return [ | ||
| { translateX: x }, | ||
| { translateY: y }, | ||
| ...transformations, | ||
| { translateX: x * -1 }, | ||
| { translateY: y * -1 }, | ||
| ]; | ||
| }; |