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click-away

v1.0.0

Published

Perform an action when the user clicks away from an element of interest, such as a popup, dropdown, or modal.

Downloads

111

Readme

click-away

Perform an action when the user clicks away from an element of interest, such as a popup, dropdown, or modal.

Installation

# npm
npm install --save click-away

# yarn
yarn add click-away

Usage

Suppose you're working on a Modal component that renders a dialog box, and you wish to close the modal if the user clicks away.

import React from 'react';

// Not shown: CSS rules for `.modal`, `.modal-open`, `.modal-closed`

export default function Modal({isOpen, onClose, children}) {
    const className = `modal modal-${isOpen ? 'open' : 'closed'}`;
    return (
        <div className={className}>
            {children}
        </div>
    );
}

Adding behavior to close the modal is as easy as passing click-away as a ref, with a reference to the callback you wish to use:

import React from 'react';
import callOnClickAway from 'click-away';

export default function Modal({isOpen, onClose, children}) {
    const className = `modal modal-${isOpen ? 'open' : 'closed'}`;
    return (
        <div className={className} ref={callOnClickAway(onClose)}>
            {children}
        </div>
    );
}

Documentation

callOnClickAway(callback)

Returns a function you can pass as a React or Preact ref, which calls the given callback when the user clicks anywhere outside the rendered element.

For instance, if you render this:

<div ref={callOnClickAway(handler)}>Hello!</div>

then the handler function will be called any time the use clicks outside the div.

Caveats

Using component style libraries with click-away

If you're using emotion, styled-components, glamorous, or similar, keep in mind you need to pass the callback to innerRef instead of ref.

Contributing

This project uses ESLint-style commit messages.