commit
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import React from 'react'; |
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import PropTypes from 'prop-types'; |
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import { FormattedNumber } from 'react-intl'; |
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import TransitionMotion from 'react-motion/lib/TransitionMotion'; |
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import spring from 'react-motion/lib/spring'; |
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import { reduceMotion } from 'flavours/glitch/util/initial_state'; |
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|
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export default class AnimatedNumber extends React.PureComponent { |
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static propTypes = { |
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value: PropTypes.number.isRequired, |
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}; |
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willEnter () { |
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return { y: -1 }; |
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} |
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|
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willLeave () { |
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return { y: spring(1, { damping: 35, stiffness: 400 }) }; |
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} |
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render () { |
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const { value } = this.props; |
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|
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if (reduceMotion) { |
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return <FormattedNumber value={value} />; |
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} |
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const styles = [{ |
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key: value, |
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style: { y: spring(0, { damping: 35, stiffness: 400 }) }, |
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}]; |
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return ( |
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<TransitionMotion styles={styles} willEnter={this.willEnter} willLeave={this.willLeave}> |
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{items => ( |
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<span className='animated-number'> |
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{items.map(({ key, style }) => ( |
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<span key={key} style={{ position: style.y > 0 ? 'absolute' : 'static', transform: `translateY(${style.y * 100}%)` }}><FormattedNumber value={key} /></span> |
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))} |
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</span> |
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)} |
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</TransitionMotion> |
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); |
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} |
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|
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} |
@ -0,0 +1,47 @@ |
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import React from 'react'; |
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import PropTypes from 'prop-types'; |
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import { FormattedNumber } from 'react-intl'; |
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import TransitionMotion from 'react-motion/lib/TransitionMotion'; |
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import spring from 'react-motion/lib/spring'; |
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import { reduceMotion } from 'mastodon/initial_state'; |
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|
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export default class AnimatedNumber extends React.PureComponent { |
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|
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static propTypes = { |
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value: PropTypes.number.isRequired, |
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}; |
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|
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willEnter () { |
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return { y: -1 }; |
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} |
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|
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willLeave () { |
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return { y: spring(1, { damping: 35, stiffness: 400 }) }; |
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} |
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|
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render () { |
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const { value } = this.props; |
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|
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if (reduceMotion) { |
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return <FormattedNumber value={value} />; |
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} |
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|
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const styles = [{ |
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key: value, |
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style: { y: spring(0, { damping: 35, stiffness: 400 }) }, |
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}]; |
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|
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return ( |
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<TransitionMotion styles={styles} willEnter={this.willEnter} willLeave={this.willLeave}> |
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{items => ( |
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<span className='animated-number'> |
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{items.map(({ key, style }) => ( |
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<span key={key} style={{ position: style.y > 0 ? 'absolute' : 'static', transform: `translateY(${style.y * 100}%)` }}><FormattedNumber value={key} /></span> |
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))} |
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</span> |
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)} |
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</TransitionMotion> |
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); |
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} |
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|
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} |
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