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
|
import React, {useEffect, useMemo} from 'react'
import {
Animated,
StyleProp,
useWindowDimensions,
View,
ViewStyle,
} from 'react-native'
import LinearGradient from 'react-native-linear-gradient'
import {colors} from '../../lib/styles'
export function LoadingPlaceholder({
width,
height,
style,
}: {
width: string | number
height: string | number
style?: StyleProp<ViewStyle>
}) {
const dim = useWindowDimensions()
const elWidth = typeof width === 'string' ? dim.width : width
const offset = useMemo(() => new Animated.Value(elWidth * -1), [])
useEffect(() => {
const anim = Animated.loop(
Animated.sequence([
Animated.timing(offset, {
toValue: elWidth,
duration: 1e3,
useNativeDriver: true,
isInteraction: false,
}),
Animated.timing(offset, {
toValue: elWidth * -1,
duration: 0,
delay: 500,
useNativeDriver: true,
isInteraction: false,
}),
]),
)
anim.start()
return () => anim.stop()
}, [])
return (
<View
style={[
{
width,
height,
backgroundColor: colors.gray2,
borderRadius: 6,
overflow: 'hidden',
},
style,
]}>
<Animated.View
style={{
width,
height,
transform: [{translateX: offset}],
}}>
<LinearGradient
colors={[colors.gray2, '#d4d2d2', colors.gray2]}
start={{x: 0, y: 0}}
end={{x: 1, y: 0}}
style={{width: '100%', height: '100%'}}
/>
</Animated.View>
</View>
)
}
|
