From ab740f464a8e5aa6b5f78c0ddab3c8e18698d810 Mon Sep 17 00:00:00 2001 From: fusagiko / takayamaki <24884114+takayamaki@users.noreply.github.com> Date: Mon, 17 Apr 2023 20:25:15 +0900 Subject: [PATCH] Rewrite AnimatedNumber component with React hooks (#24559) --- .../mastodon/components/animated_number.jsx | 76 ------------------- .../mastodon/components/animated_number.tsx | 58 ++++++++++++++ 2 files changed, 58 insertions(+), 76 deletions(-) delete mode 100644 app/javascript/mastodon/components/animated_number.jsx create mode 100644 app/javascript/mastodon/components/animated_number.tsx diff --git a/app/javascript/mastodon/components/animated_number.jsx b/app/javascript/mastodon/components/animated_number.jsx deleted file mode 100644 index ce688f04f..000000000 --- a/app/javascript/mastodon/components/animated_number.jsx +++ /dev/null @@ -1,76 +0,0 @@ -import React from 'react'; -import PropTypes from 'prop-types'; -import ShortNumber from 'mastodon/components/short_number'; -import TransitionMotion from 'react-motion/lib/TransitionMotion'; -import spring from 'react-motion/lib/spring'; -import { reduceMotion } from 'mastodon/initial_state'; - -const obfuscatedCount = count => { - if (count < 0) { - return 0; - } else if (count <= 1) { - return count; - } else { - return '1+'; - } -}; - -export default class AnimatedNumber extends React.PureComponent { - - static propTypes = { - value: PropTypes.number.isRequired, - obfuscate: PropTypes.bool, - }; - - state = { - direction: 1, - }; - - componentWillReceiveProps (nextProps) { - if (nextProps.value > this.props.value) { - this.setState({ direction: 1 }); - } else if (nextProps.value < this.props.value) { - this.setState({ direction: -1 }); - } - } - - willEnter = () => { - const { direction } = this.state; - - return { y: -1 * direction }; - }; - - willLeave = () => { - const { direction } = this.state; - - return { y: spring(1 * direction, { damping: 35, stiffness: 400 }) }; - }; - - render () { - const { value, obfuscate } = this.props; - const { direction } = this.state; - - if (reduceMotion) { - return obfuscate ? obfuscatedCount(value) : ; - } - - const styles = [{ - key: `${value}`, - data: value, - style: { y: spring(0, { damping: 35, stiffness: 400 }) }, - }]; - - return ( - - {items => ( - - {items.map(({ key, data, style }) => ( - 0 ? 'absolute' : 'static', transform: `translateY(${style.y * 100}%)` }}>{obfuscate ? obfuscatedCount(data) : } - ))} - - )} - - ); - } - -} diff --git a/app/javascript/mastodon/components/animated_number.tsx b/app/javascript/mastodon/components/animated_number.tsx new file mode 100644 index 000000000..1673ff41b --- /dev/null +++ b/app/javascript/mastodon/components/animated_number.tsx @@ -0,0 +1,58 @@ +import React, { useCallback, useState } from 'react'; +import ShortNumber from './short_number'; +import { TransitionMotion, spring } from 'react-motion'; +import { reduceMotion } from '../initial_state'; + +const obfuscatedCount = (count: number) => { + if (count < 0) { + return 0; + } else if (count <= 1) { + return count; + } else { + return '1+'; + } +}; + +type Props = { + value: number; + obfuscate?: boolean; +} +export const AnimatedNumber: React.FC = ({ + value, + obfuscate, +})=> { + const [previousValue, setPreviousValue] = useState(value); + const [direction, setDirection] = useState<1|-1>(1); + + if (previousValue !== value) { + setPreviousValue(value); + setDirection(value > previousValue ? 1 : -1); + } + + const willEnter = useCallback(() => ({ y: -1 * direction }), [direction]); + const willLeave = useCallback(() => ({ y: spring(1 * direction, { damping: 35, stiffness: 400 }) }), [direction]); + + if (reduceMotion) { + return obfuscate ? <>{obfuscatedCount(value)} : ; + } + + const styles = [{ + key: `${value}`, + data: value, + style: { y: spring(0, { damping: 35, stiffness: 400 }) }, + }]; + + return ( + + {items => ( + + {items.map(({ key, data, style }) => ( + 0 ? 'absolute' : 'static', transform: `translateY(${style.y * 100}%)` }}>{obfuscate ? obfuscatedCount(data) : } + ))} + + )} + + ); +}; + +export default AnimatedNumber;