sigit.io/src/components/UserAvatarGroup/index.tsx

39 lines
1.2 KiB
TypeScript

import { Children, PropsWithChildren } from 'react'
import styles from './style.module.scss'
interface UserAvatarGroupProps extends React.HTMLAttributes<HTMLDivElement> {
max: number
renderSurplus?: ((surplus: number) => React.ReactNode) | undefined
}
const defaultSurplus = (surplus: number) => {
return <span className={styles.icon}>+{surplus}</span>
}
/**
* Renders children with the `max` limit (including surplus if available).
* The children are wrapped with a `div` (accepts standard `HTMLDivElement` attributes)
* @param max The maximum number of children rendered in a div.
* @param renderSurplus Custom render for surplus children (accepts surplus number).
*/
export const UserAvatarGroup = ({
max,
renderSurplus = defaultSurplus,
children,
...rest
}: PropsWithChildren<UserAvatarGroupProps>) => {
const total = Children.count(children)
const surplus = total - max + 1
const childrenArray = Children.toArray(children)
return (
<div className={styles.container} {...rest}>
{surplus > 1
? childrenArray.slice(0, surplus * -1).map((c) => c)
: children}
{surplus > 1 && renderSurplus(surplus)}
</div>
)
}