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FadeInOut React component
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import { useState, useEffect } from 'react'; | |
import './styles.css'; | |
const stages = { | |
unmounted: 'unmounted', | |
entering: 'entering', | |
entered: 'entered', | |
completed: 'completed', | |
exiting: 'exiting', | |
exited: 'exited' | |
}; | |
const FadeInOut = ({ children, show = false, duration = 200, ...props }) => { | |
const [transitionStage, setTransitionStage] = useState(stages.unmounted); | |
useEffect(() => { | |
if (show) { | |
setTransitionStage(stages.entering); | |
} | |
}, []); | |
useEffect(() => { | |
if (show) { | |
if (transitionStage !== stages.entering && transitionStage !== stages.entered) { | |
setTransitionStage(stages.entering); | |
} | |
} else { | |
if (transitionStage === stages.entering || transitionStage === stages.entered) { | |
setTransitionStage(stages.exiting); | |
} | |
} | |
}, [show]); | |
useEffect(() => { | |
if (transitionStage === stages.exited) { | |
setTransitionStage(stages.unmounted); | |
} else if (transitionStage === stages.entering) { | |
setTimeout(() => { | |
setTransitionStage(stages.entered); | |
}, 0); | |
} else if (transitionStage === stages.exiting) { | |
setTimeout(() => { | |
setTransitionStage(stages.exited); | |
}, duration); | |
} | |
}, [transitionStage]); | |
return ( | |
<> | |
{transitionStage === stages.unmounted ? null : ( | |
<div | |
className={`fade-${stages[transitionStage]}`} | |
style={{ transitionDuration: `${duration}ms` }} | |
{...props} | |
> | |
{children} | |
</div> | |
)} | |
</> | |
); | |
}; | |
export { FadeInOut }; |
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.fade-exiting, | |
.fade-exited, | |
.fade-unmounted { | |
height: 0; | |
opacity: 0; | |
visibility: hidden; | |
} | |
.fade-entered { | |
opacity: 1; | |
visibility: visible; | |
} | |
.fade-entering, | |
.fade-exiting { | |
transition-property: opacity; | |
transition-timing-function: ease-in-out; | |
} |
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