next
Version:
The React Framework
34 lines (33 loc) • 1.12 kB
JavaScript
import * as React from 'react';
export function useOnClickOutside(el, cssSelectorsToExclude, handler) {
React.useEffect(()=>{
if (el == null || handler == null) {
return;
}
const listener = (e)=>{
// Do nothing if clicking ref's element or descendent elements
if (!el || el.contains(e.target)) {
return;
}
if (// Do nothing if clicking on an element that is excluded by the CSS selector(s)
cssSelectorsToExclude.some((cssSelector)=>e.target.closest(cssSelector))) {
return;
}
handler(e);
};
const root = el.getRootNode();
root.addEventListener('mouseup', listener);
root.addEventListener('touchend', listener, {
passive: false
});
return function() {
root.removeEventListener('mouseup', listener);
root.removeEventListener('touchend', listener);
};
}, [
handler,
el,
cssSelectorsToExclude
]);
}
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