react-code-dataset / next.js /packages /next /src /next-devtools /dev-overlay /hooks /use-on-click-outside.ts
| 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]) | |
| } | |