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import { ReactNode } from 'react'
import { NoInfer, Falsy } from '@react-spring/types'
import { is } from '@react-spring/shared'
import { Valid } from '../types/common'
import { PickAnimated, SpringValues } from '../types'
import { UseSpringProps } from '../hooks/useSpring'
import { useTrail } from '../hooks/useTrail'
export type TrailComponentProps<Item, Props extends object = any> = unknown &
UseSpringProps<Props> & {
items: readonly Item[]
children: (
item: NoInfer<Item>,
index: number
) => ((values: SpringValues<PickAnimated<Props>>) => ReactNode) | Falsy
}
export function Trail<Item, Props extends TrailComponentProps<Item>>({
items,
children,
...props
}: Props & Valid<Props, TrailComponentProps<Item, Props>>) {
const trails: any[] = useTrail(items.length, props)
return items.map((item, index) => {
const result = children(item, index)
return is.fun(result) ? result(trails[index]) : result
})
}
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