File size: 3,501 Bytes
1e92f2d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | import React, { useEffect, useState } from 'react';
import { storiesOf } from '@storybook/react';
import TransitionGroup from '../src/TransitionGroup';
import CSSTransitionGroupFixture from './CSSTransitionGroupFixture';
import NestedTransition from './NestedTransition';
import StoryFixture from './StoryFixture';
import Fade, { FADE_TIMEOUT } from './transitions/CSSFadeForTransitionGroup';
storiesOf('Css Transition Group', module)
.add('Animates on all', () => (
<CSSTransitionGroupFixture
description={`
Should animate when items are added to the list but not when they are
removed or on initial appear
`}
appear
items={['Item number: 1']}
>
<Fade />
</CSSTransitionGroupFixture>
))
.add('Animates on enter', () => (
<CSSTransitionGroupFixture
description={`
Should animate when items are added to the list but not when they are
removed or on initial appear
`}
exit={false}
timeout={{ enter: FADE_TIMEOUT }}
items={['Item number: 1']}
>
<Fade />
</CSSTransitionGroupFixture>
))
.add('Animates on exit', () => (
<CSSTransitionGroupFixture
description={`
Should animate when items are removed to the list but not when they are
added or on initial appear
`}
items={['Item number: 1', 'Item number: 2', 'Item number: 3']}
>
<Fade enter={false} timeout={{ exit: FADE_TIMEOUT }} />
</CSSTransitionGroupFixture>
))
.add('Animates on appear', () => (
<CSSTransitionGroupFixture
description={`
Should animate when items first mount but not when added or removed
`}
appear
items={['Item number: 1', 'Item number: 2', 'Item number: 3']}
>
<Fade exit={false} enter={false} />
</CSSTransitionGroupFixture>
))
.add('Dynamic props', () => (
<StoryFixture
description={`
Updates to children should not break animations
`}
>
<DynamicTransition />
</StoryFixture>
))
.add('Re-entering while leaving', () => (
<StoryFixture
description={`
Should animate on enter even while exiting
`}
>
<ReEnterTransition />
</StoryFixture>
))
.add('Nested Transitions', () => <NestedTransition />);
class DynamicTransition extends React.Component {
state = { count: 0 };
handleClick = () => {
this.setState({ hide: !this.state.hide });
};
componentDidMount() {
this.interval = setInterval(() => {
this.setState({ count: this.state.count + 1 });
}, 700);
}
componentWillUnmount() {
clearInterval(this.interval);
}
render() {
const { hide, count } = this.state;
return (
<div>
<button onClick={this.handleClick}>Toggle item</button>
<TransitionGroup timeout={FADE_TIMEOUT}>
{!hide && <Fade key="item">Changing! {count}</Fade>}
</TransitionGroup>
</div>
);
}
}
function ReEnterTransition() {
const [hide, setHide] = useState(false);
useEffect(() => {
if (hide) {
setTimeout(() => {
console.log('re-entering!');
setHide(false);
}, 0.5 * FADE_TIMEOUT);
}
}, [hide]);
return (
<div>
<button
onClick={() => {
setHide(true);
}}
>
Remove and re-add
</button>
<TransitionGroup timeout={FADE_TIMEOUT}>
{!hide && <Fade key="item">I'm entering!</Fade>}
</TransitionGroup>
</div>
);
}
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