use-click-outside

Detects click and touch events outside of given element

Import

Source

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Docs

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Package

@mantine/hooks

Usage

import { useState } from 'react';
import { Paper, Button } from '@mantine/core';
import { useClickOutside } from '@mantine/hooks';

function Demo() {
  const [opened, setOpened] = useState(false);
  const ref = useClickOutside(() => setOpened(false));

  return (
    <>
      <Button onClick={() => setOpened(true)}>Open dropdown</Button>

      {opened && (
        <Paper ref={ref} shadow="sm">
          <span>Click outside to close</span>
        </Paper>
      )}
    </>
  );
}

API

use-click-outside hook accepts 3 arguments:

handler – function that is called on outside click
events – optional list of events that trigger outside click, ['mousedown', 'touchstart'] by default
nodes - optional list of nodes that should not trigger outside click event

The hook returns a ref object that must be passed to the element based on which outside clicks should be captured.

import { useClickOutside } from '@mantine/hooks';

function Example() {
  const handleClickOutside = () => console.log('Clicked outside of div');
  const ref = useClickOutside(handleClickOutside);
  return <div ref={ref} />;
}

Change events

By default, use-click-outside listens to mousedown and touchstart events, you can change these events by passing an array of events as second argument:

import { useState } from 'react';
import { Paper, Button } from '@mantine/core';
import { useClickOutside } from '@mantine/hooks';

function Demo() {
  const [opened, setOpened] = useState(false);
  const ref = useClickOutside(() => setOpened(false), ['mouseup', 'touchend']);

  return (
    <>
      <Button onClick={() => setOpened(true)}>Open dropdown</Button>

      {opened && (
        <Paper ref={ref} shadow="sm">
          <span>Click outside to close</span>
        </Paper>
      )}
    </>
  );
}

Multiple nodes

// Will work only with useState, not useRef
import { useState } from 'react';
import { useClickOutside } from '@mantine/hooks';
import { Portal } from '@mantine/core';

function Demo() {
  const [dropdown, setDropdown] = useState<HTMLDivElement | null>(null);
  const [control, setControl] = useState<HTMLDivElement | null>(null);

  useClickOutside(() => console.log('outside'), null, [control, dropdown]);

  return (
    // We cannot use root element ref as it does not contain dropdown
    <div>
      <div ref={setControl}>Control</div>
      <Portal>
        <div ref={setDropdown}>Dropdown</div>
      </Portal>
    </div>
  );
}

Definition

function useClickOutside<T extends HTMLElement = any>(
  handler: () => void,
  events?: string[] | null,
  nodes?: HTMLElement[]
): React.MutableRefObject<T>;

Set ref type

import { useClickOutside } from '@mantine/hooks';

const ref = useClickOutside<HTMLDivElement>(onClickOutside);

6.x to 7.x migration

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