useOutsideClick is a custom hook that handles click events outside a specific DOM element, like a div. A handler is invoked when a click or touch event happens outside the referenced element.

This hook is compatible with mouse and touch events.

Import

import { useOutsideClick } from '@passfort/castle'
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Usage

function Example() {
  const ref = React.useRef()
  const [isModalOpen, setIsModalOpen] = React.useState(false)
  useOutsideClick({
    ref: ref,
    handler: () => setIsModalOpen(false),
  })

  return (
    <>
      {isModalOpen ? (
        <div ref={ref}>👋 Hey, I'm a modal. Click anywhere outside of me to close.</div>
      ) : (
        <button onClick={() => setIsModalOpen(true)}>Open Modal</button>
      )}
    </>
  )
}
function Example() {
  const ref = React.useRef()
  const [isModalOpen, setIsModalOpen] = React.useState(false)
  useOutsideClick({
    ref: ref,
    handler: () => setIsModalOpen(false),
  })

  return (
    <>
      {isModalOpen ? (
        <div ref={ref}>👋 Hey, I'm a modal. Click anywhere outside of me to close.</div>
      ) : (
        <button onClick={() => setIsModalOpen(true)}>Open Modal</button>
      )}
    </>
  )
}
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live example