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import * as React from 'react'
export function useOnClickOutside(
el: Node | null,
cssSelectorsToExclude: string[],
handler: ((e: MouseEvent | TouchEvent) => void) | undefined
) {
React.useEffect(() => {
if (el == null || handler == null) {
return
}
const listener = (e: MouseEvent | TouchEvent) => {
// Do nothing if clicking ref's element or descendent elements
if (!el || el.contains(e.target as Element)) {
return
}
if (
// Do nothing if clicking on an element that is excluded by the CSS selector(s)
cssSelectorsToExclude.some((cssSelector) =>
(e.target as Element).closest(cssSelector)
)
) {
return
}
handler(e)
}
const root = el.getRootNode()
root.addEventListener('mouseup', listener as EventListener)
root.addEventListener('touchend', listener as EventListener, {
passive: false,
})
return function () {
root.removeEventListener('mouseup', listener as EventListener)
root.removeEventListener('touchend', listener as EventListener)
}
}, [handler, el, cssSelectorsToExclude])
}
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