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Switched to native animated and easing api (#56)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,152 +1,153 @@ | ||
| import React from 'react'; | ||
| import { Text, View } from 'react-native'; | ||
| import Animated, { EasingNode } from 'react-native-reanimated'; | ||
| import React from "react"; | ||
| import { Text, View, Animated, Easing } from "react-native"; | ||
|
|
||
| const NUMBERS = Array(10).fill().map((_, i) => i); | ||
| const NUMBERS = Array(10) | ||
| .fill() | ||
| .map((_, i) => i); | ||
|
|
||
| const usePrevious = (value) => { | ||
| const ref = React.useRef(); | ||
| React.useEffect(() => { | ||
| ref.current = value; | ||
| }); | ||
| const ref = React.useRef(); | ||
| React.useEffect(() => { | ||
| ref.current = value; | ||
| }); | ||
|
|
||
| if (typeof ref.current === 'undefined') { | ||
| return 0; | ||
| } | ||
| if (typeof ref.current === "undefined") { | ||
| return 0; | ||
| } | ||
|
|
||
| return ref.current; | ||
| return ref.current; | ||
| }; | ||
|
|
||
| const AnimatedNumber = ({ | ||
| animateToNumber, | ||
| fontStyle, | ||
| animationDuration, | ||
| includeComma, | ||
| easing, | ||
| animateToNumber, | ||
| fontStyle, | ||
| animationDuration, | ||
| includeComma, | ||
| easing, | ||
| }) => { | ||
| const prevNumber = usePrevious(animateToNumber); | ||
| const animateToNumberString = String(Math.abs(animateToNumber)); | ||
| const prevNumberString = String(Math.abs(prevNumber)); | ||
|
|
||
| const animateToNumbersArr = Array.from(animateToNumberString, Number); | ||
| const prevNumberersArr = Array.from(prevNumberString, Number); | ||
|
|
||
| if (includeComma) { | ||
| const reducedArray = new Array( | ||
| Math.ceil(animateToNumberString.length / 3) | ||
| ).fill(0); | ||
|
|
||
| const startReducedArray = new Array( | ||
| Math.ceil(prevNumberString.length / 3) | ||
| ).fill(0); | ||
|
|
||
| reducedArray.map((__, index) => { | ||
| if (index === 0) { | ||
| return; | ||
| } | ||
|
|
||
| animateToNumbersArr.splice( | ||
| animateToNumberString.length - index * 3, | ||
| 0, | ||
| ',' | ||
| ); | ||
| }); | ||
|
|
||
| startReducedArray.map((__, index) => { | ||
| if (index === 0) { | ||
| return; | ||
| } | ||
|
|
||
| prevNumberersArr.splice(prevNumberString.length - index * 3, 0, ','); | ||
| }); | ||
| } | ||
|
|
||
| const [numberHeight, setNumberHeight] = React.useState(0); | ||
| const animations = animateToNumbersArr.map((__, index) => { | ||
| if (typeof prevNumberersArr[index] !== 'number') { | ||
| return new Animated.Value(0); | ||
| } | ||
|
|
||
| const animationHeight = -1 * (numberHeight * prevNumberersArr[index]); | ||
| return new Animated.Value(animationHeight); | ||
| }); | ||
|
|
||
| const setButtonLayout = (e) => { | ||
| setNumberHeight(e.nativeEvent.layout.height); | ||
| }; | ||
|
|
||
| React.useEffect(() => { | ||
| animations.map((animation, index) => { | ||
| if (typeof animateToNumbersArr[index] !== 'number') { | ||
| return; | ||
| } | ||
|
|
||
| Animated.timing(animation, { | ||
| toValue: -1 * (numberHeight * animateToNumbersArr[index]), | ||
| duration: animationDuration || 1400, | ||
| useNativeDriver: true, | ||
| easing: easing || EasingNode.elastic(1.2), | ||
| }).start(); | ||
| }); | ||
| }, [animateToNumber, numberHeight]); | ||
|
|
||
| const getTranslateY = (index) => { | ||
| return animations[index]; | ||
| }; | ||
|
|
||
| return ( | ||
| <> | ||
| {numberHeight !== 0 && ( | ||
| <View style={{ flexDirection: 'row' }}> | ||
| {animateToNumber < 0 && ( | ||
| <Text style={[fontStyle, { height: numberHeight }]}>{'-'}</Text> | ||
| )} | ||
| {animateToNumbersArr.map((n, index) => { | ||
| if (typeof n === 'string') { | ||
| return ( | ||
| <Text key={index} style={[fontStyle, { height: numberHeight }]}> | ||
| {n} | ||
| </Text> | ||
| ); | ||
| } | ||
|
|
||
| return ( | ||
| <View | ||
| key={index} | ||
| style={{ height: numberHeight, overflow: 'hidden' }} | ||
| > | ||
| <Animated.View | ||
| style={[ | ||
| { | ||
| transform: [ | ||
| { | ||
| translateY: getTranslateY(index), | ||
| }, | ||
| ], | ||
| }, | ||
| ]} | ||
| > | ||
| {NUMBERS.map((number, i) => ( | ||
| <View style={{ flexDirection: 'row' }} key={i}> | ||
| <Text style={[fontStyle, { height: numberHeight }]}> | ||
| {number} | ||
| </Text> | ||
| </View> | ||
| ))} | ||
| </Animated.View> | ||
| </View> | ||
| ); | ||
| })} | ||
| </View> | ||
| )} | ||
| <Text | ||
| style={[fontStyle, { position: 'absolute', top: -999999 }]} | ||
| onLayout={setButtonLayout} | ||
| > | ||
| {0} | ||
| </Text> | ||
| </> | ||
| ); | ||
| const prevNumber = usePrevious(animateToNumber); | ||
| const animateToNumberString = String(Math.abs(animateToNumber)); | ||
| const prevNumberString = String(Math.abs(prevNumber)); | ||
|
|
||
| const animateToNumbersArr = Array.from(animateToNumberString, Number); | ||
| const prevNumberersArr = Array.from(prevNumberString, Number); | ||
|
|
||
| if (includeComma) { | ||
| const reducedArray = new Array( | ||
| Math.ceil(animateToNumberString.length / 3) | ||
| ).fill(0); | ||
|
|
||
| const startReducedArray = new Array( | ||
| Math.ceil(prevNumberString.length / 3) | ||
| ).fill(0); | ||
|
|
||
| reducedArray.map((__, index) => { | ||
| if (index === 0) { | ||
| return; | ||
| } | ||
|
|
||
| animateToNumbersArr.splice( | ||
| animateToNumberString.length - index * 3, | ||
| 0, | ||
| "," | ||
| ); | ||
| }); | ||
|
|
||
| startReducedArray.map((__, index) => { | ||
| if (index === 0) { | ||
| return; | ||
| } | ||
|
|
||
| prevNumberersArr.splice(prevNumberString.length - index * 3, 0, ","); | ||
| }); | ||
| } | ||
|
|
||
| const [numberHeight, setNumberHeight] = React.useState(0); | ||
| const animations = animateToNumbersArr.map((__, index) => { | ||
| if (typeof prevNumberersArr[index] !== "number") { | ||
| return new Animated.Value(0); | ||
| } | ||
|
|
||
| const animationHeight = -1 * (numberHeight * prevNumberersArr[index]); | ||
| return new Animated.Value(animationHeight); | ||
| }); | ||
|
|
||
| const setButtonLayout = (e) => { | ||
| setNumberHeight(e.nativeEvent.layout.height); | ||
| }; | ||
|
|
||
| React.useEffect(() => { | ||
| animations.map((animation, index) => { | ||
| if (typeof animateToNumbersArr[index] !== "number") { | ||
| return; | ||
| } | ||
|
|
||
| Animated.timing(animation, { | ||
| toValue: -1 * (numberHeight * animateToNumbersArr[index]), | ||
| duration: animationDuration || 1400, | ||
| useNativeDriver: true, | ||
| easing: easing || Easing.elastic(1.2), | ||
| }).start(); | ||
| }); | ||
| }, [animateToNumber, numberHeight]); | ||
|
|
||
| const getTranslateY = (index) => { | ||
| return animations[index]; | ||
| }; | ||
|
|
||
| return ( | ||
| <> | ||
| {numberHeight !== 0 && ( | ||
| <View style={{ flexDirection: "row" }}> | ||
| {animateToNumber < 0 && ( | ||
| <Text style={[fontStyle, { height: numberHeight }]}>{"-"}</Text> | ||
| )} | ||
| {animateToNumbersArr.map((n, index) => { | ||
| if (typeof n === "string") { | ||
| return ( | ||
| <Text key={index} style={[fontStyle, { height: numberHeight }]}> | ||
| {n} | ||
| </Text> | ||
| ); | ||
| } | ||
|
|
||
| return ( | ||
| <View | ||
| key={index} | ||
| style={{ height: numberHeight, overflow: "hidden" }} | ||
| > | ||
| <Animated.View | ||
| style={[ | ||
| { | ||
| transform: [ | ||
| { | ||
| translateY: getTranslateY(index), | ||
| }, | ||
| ], | ||
| }, | ||
| ]} | ||
| > | ||
| {NUMBERS.map((number, i) => ( | ||
| <View style={{ flexDirection: "row" }} key={i}> | ||
| <Text style={[fontStyle, { height: numberHeight }]}> | ||
| {number} | ||
| </Text> | ||
| </View> | ||
| ))} | ||
| </Animated.View> | ||
| </View> | ||
| ); | ||
| })} | ||
| </View> | ||
| )} | ||
| <Text | ||
| style={[fontStyle, { position: "absolute", top: -999999 }]} | ||
| onLayout={setButtonLayout} | ||
| > | ||
| {0} | ||
| </Text> | ||
| </> | ||
| ); | ||
| }; | ||
|
|
||
| export default AnimatedNumber; |
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