/Javascript/React/Click outside React component

Click outside React component

React click outside

import React, { useRef, useEffect } from "react";

/**
 * Hook that alerts clicks outside of the passed ref
 */
function useOutsideAlerter(ref) {
    useEffect(() => {
        /**
         * Alert if clicked on outside of element
         */
        function handleClickOutside(event) {
            if (ref.current && !ref.current.contains(event.target)) {
                alert("You clicked outside of me!");
            }
        }

        // Bind the event listener
        document.addEventListener("mousedown", handleClickOutside);
        return () => {
            // Unbind the event listener on clean up
            document.removeEventListener("mousedown", handleClickOutside);
        };
    }, [ref]);
}

/**
 * Component that alerts if you click outside of it
 */
export default function OutsideAlerter(props) {
    const wrapperRef = useRef(null);
    useOutsideAlerter(wrapperRef);

    return <div ref={wrapperRef}>{props.children}</div>;
}

Source: stackoverflow.com

Click outside React component

const componentRef = useRef();

useEffect(() => {
    document.addEventListener("click", handleClick);
    return () => document.removeEventListener("click", handleClick);
    function handleClick(e: any) {
        if(componentRef && componentRef.current){
            const ref: any = componentRef.current
            if(!ref.contains(e.target)){
                // put your action here
            }
        }
    }
}, []);

Source: stackoverflow.com

React click outside class implementation

import React, { Component } from 'react';
import PropTypes from 'prop-types';

/**
 * Component that alerts if you click outside of it
 */
export default class OutsideAlerter extends Component {
    constructor(props) {
        super(props);

        this.wrapperRef = React.createRef();
        this.setWrapperRef = this.setWrapperRef.bind(this);
        this.handleClickOutside = this.handleClickOutside.bind(this);
    }

    componentDidMount() {
        document.addEventListener('mousedown', this.handleClickOutside);
    }

    componentWillUnmount() {
        document.removeEventListener('mousedown', this.handleClickOutside);
    }

    /**
     * Alert if clicked on outside of element
     */
    handleClickOutside(event) {
        if (this.wrapperRef && !this.wrapperRef.current.contains(event.target)) {
            alert('You clicked outside of me!');
        }
    }

    render() {
        return <div ref={this.wrapperRef}>{this.props.children}</div>;
    }
}

OutsideAlerter.propTypes = {
    children: PropTypes.element.isRequired,
};

Source: stackoverflow.com

Similar codes

0 vote197 views1 answer
Formatt json to create node and child node react
Javascript React
1 vote205 views1 answer
How to delete an object from array in reactjs
Javascript React
1 vote192 views1 answer
Failed to transform react-native-reanimated-65.aar
Javascript React
1 vote178 views4 answers
Passing data in route react
Javascript React
5 votes192 views2 answers
What hostings can run react js
Javascript React
3 votes198 views2 answers
Get param is react
Javascript React
92 votes178 views6 answers
React router dom
Javascript React
0 vote184 views1 answer
React native textinput turnoff capitalize first letter
Javascript React
0 vote204 views1 answer
POST http://localhost:3000/$(process.env.REACT_APP_API_URL)/auth/users/ 404 (Not Found) in react redux
Javascript React
0 vote169 views1 answer
Array of refs react
Javascript React