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import React, {useEffect, useMemo} from 'react'
import {
Animated,
StyleSheet,
StyleProp,
useWindowDimensions,
View,
ViewStyle,
} from 'react-native'
import LinearGradient from 'react-native-linear-gradient'
import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
import {UpIcon} from '../../lib/icons'
import {s, 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: '#e7e9ea',
borderRadius: 6,
overflow: 'hidden',
},
style,
]}>
<Animated.View
style={{
width,
height,
transform: [{translateX: offset}],
}}>
<LinearGradient
colors={['#e7e9ea', '#e2e2e2', '#e7e9ea']}
start={{x: 0, y: 0}}
end={{x: 1, y: 0}}
style={{width: '100%', height: '100%'}}
/>
</Animated.View>
</View>
)
}
export function PostLoadingPlaceholder({
style,
}: {
style?: StyleProp<ViewStyle>
}) {
return (
<View style={[styles.post, style]}>
<LoadingPlaceholder width={50} height={50} style={styles.avatar} />
<View style={[s.flex1]}>
<LoadingPlaceholder width={100} height={8} style={[s.mb10]} />
<LoadingPlaceholder width={200} height={8} style={[s.mb5]} />
<LoadingPlaceholder width={200} height={8} style={[s.mb5]} />
<LoadingPlaceholder width={120} height={8} style={[s.mb10]} />
<View style={s.flexRow}>
<View style={s.flex1}>
<FontAwesomeIcon
style={s.gray3}
icon={['far', 'comment']}
size={16}
/>
</View>
<View style={s.flex1}>
<FontAwesomeIcon style={s.gray3} icon="retweet" size={20} />
</View>
<View style={s.flex1}>
<UpIcon style={s.gray3} size={19} strokeWidth={1.7} />
</View>
<View style={s.flex1}></View>
</View>
</View>
</View>
)
}
export function PostFeedLoadingPlaceholder() {
return (
<>
<PostLoadingPlaceholder />
<PostLoadingPlaceholder />
<PostLoadingPlaceholder />
<PostLoadingPlaceholder />
<PostLoadingPlaceholder />
<PostLoadingPlaceholder />
<PostLoadingPlaceholder />
<PostLoadingPlaceholder />
<PostLoadingPlaceholder />
<PostLoadingPlaceholder />
<PostLoadingPlaceholder />
</>
)
}
export function NotificationLoadingPlaceholder({
style,
}: {
style?: StyleProp<ViewStyle>
}) {
return (
<View style={[styles.notification, style]}>
<View style={[s.flexRow, s.mb10]}>
<LoadingPlaceholder width={30} height={30} style={styles.smallAvatar} />
</View>
<LoadingPlaceholder width={200} height={8} style={[s.mb5]} />
<LoadingPlaceholder width={120} height={8} style={[s.mb5]} />
</View>
)
}
export function NotificationFeedLoadingPlaceholder() {
return (
<>
<NotificationLoadingPlaceholder />
<NotificationLoadingPlaceholder />
<NotificationLoadingPlaceholder />
<NotificationLoadingPlaceholder />
<NotificationLoadingPlaceholder />
<NotificationLoadingPlaceholder />
<NotificationLoadingPlaceholder />
<NotificationLoadingPlaceholder />
<NotificationLoadingPlaceholder />
<NotificationLoadingPlaceholder />
<NotificationLoadingPlaceholder />
</>
)
}
const styles = StyleSheet.create({
post: {
flexDirection: 'row',
backgroundColor: colors.white,
borderRadius: 6,
padding: 10,
margin: 1,
},
avatar: {
borderRadius: 25,
marginRight: 10,
},
notification: {
backgroundColor: colors.white,
borderRadius: 6,
padding: 10,
paddingLeft: 46,
margin: 1,
},
smallAvatar: {
borderRadius: 15,
marginRight: 10,
},
})
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