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Example of a forward ref generic component in React 18
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import React, { ForwardedRef, forwardRef, MouseEvent } from 'react'; | |
type ClickableListProps<T> = { | |
items: T[]; | |
onSelect: ( | |
item: T, | |
event: MouseEvent<HTMLButtonElement, globalThis.MouseEvent>, | |
) => void; | |
}; | |
function ClickableListInner<T>( | |
props: ClickableListProps<T>, | |
ref: ForwardedRef<HTMLUListElement>, | |
) { | |
return ( | |
<ul ref={ref}> | |
{props.items.map((item, i) => ( | |
<li key={i}> | |
<> | |
<button onClick={(e) => props.onSelect(item, e)}>Select</button> | |
{item} | |
</> | |
</li> | |
))} | |
</ul> | |
); | |
} | |
const ClickableList = forwardRef(ClickableListInner) as <T>( | |
props: ClickableListProps<T> & { ref?: ForwardedRef<HTMLUListElement> }, | |
) => ReturnType<typeof ClickableListInner>; | |
export default ClickableList; |
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