@pofo/click-outside

React useClickOutsideRef Hook

Lightweight and accessible clickoutside React ref

Install

yarn add @pofo/click-outside
npm i @pofo/click-outside

Jump Around

• Basic Usage
• Multiple Refs
• Customizing Options
• API
• Typescript

🚀 Features 🚀

• [x] Call onClick function when user clicks outside of component
• [x] Call onClick function when user presses the escape key
• [x] Support multiple refs with the same onClick function

Basic Usage

Refs are always returned in an array of 1 or more refs.

import useClickOutisdeRef from '@pofo/click-outside';

const MyComponent = () => {
    
    const onClick = () => {
        // ... do something
    }

    /* CLICKOUTSIDE REF */
    const [ ref ] = useClickOutsideRef( onClick );

    return (
        <div ref={ref}>
            Click outisde of me to trigger the onClick function!
        </div>
    )
}

Multiple Refs

If you want more than one ref attached to the same onClick function, specify the number of refs you want in the optional options object.

import useClickOutisdeRef from '@pofo/click-outside';

const MyComponent = () => {
    
    const onClick = () => {
        // ... do something
    }

    /* CLICKOUTSIDE REF */
    const [ ref1, ref2 ] = useClickOutsideRef( onClick, { numRefs: 2 } );

    return (
        <div ref={ref1}>
            Click outside of me to trigger the onClick function!
        </div>
        <div ref={ref2}>
            Clicking outside of me will also trigger the same onClick function!
        </div>
    )
}

Customizing Options

By default, pressing the escape key will call the onClick function as well. If you wish to disable this functionality, pass an options object with enableEscape as false.

import useClickOutisdeRef from '@pofo/click-outside';

const MyComponent = () => {
    
    const onClick = () => {
        // ... do something
    }

    /* CLICKOUTSIDE REF */
    const [ ref ] = useClickOutsideRef( onClick, { enableEscape: false } );

    return (
        <div ref={ref}>
            Pressing escape will not trigger the onClick, but clicking outside me will!
        </div>
    )
}

API

useClickOutsideRef(
    // requried
    onClick: () => void,
    // optional
    options: {
        numRefs?: number,
        enableEscape?: boolean,
    },
)

Parameter	Default	Type	Description
onClick	REQUIRED	() => void	onClick function that gets called when user clicks off the component. By default, also gets called when user clicks the escape key
options	{ numRefs: 1, enableEscape: true }	{ numRefs: number, enableEscape: boolean }	Optional options object. numRefs: Specifies the number of refs you would like returned. enableEscape: When set to true, pressing the escape key will trigger the onClick function. If set to false, pressing the escape key will not trigger the onClick function. Defaults to true.

Typescript

You can specify what kind of HTML Element your ref is going to be attached to.

const [ ref ] = useClickOutsideRef<HTMLDivElement>( () => {} );

If you are returning multiple refs that are different kinds of HTML Elements.

import { RefObject } from 'react';
import useClickOutisdeRef from '@pofo/click-outside';

const MyComponent = () => {

    const onClick = () => {
        // ...do something
    }

    /* CLICKOUTSIDE REF */
    const [ ref1, ref2 ] = useClickOutsideRef( onClick );

    return (
        <section>
            <div ref={ref1 as RefObject<HTMLDivElement>}>
                I am a div!
            </div>
            <span ref={ref2 as RefObject<HTMLSpanElement>}>
                I am a span!
            </span>
        </section>
    )
}

IF YOU KNOW A BETTER WAY TO SUPPORT TYPESCRIPT, PLS HELP AND CREATE A PULL REQUEST

Extra

This library plays well with useFocusTrap

LICENSE

MIT