Email input fields are a common feature in applications, especially those that require users to provide multiple email addresses. The react-multi-email component simplifies the process of formatting multiple emails as the user types. Below is a user-friendly guide on how to install the package, implement it in your app, and troubleshoot any issues that may arise.

Installation

To get started, you need to install the react-multi-email package. This can be done using npm. Open your terminal and run the following command:

npm install react-multi-email

Usage

Below is a sample code implementation of the react-multi-email component in a React app. To help you understand it better, let’s use an analogy of a digital mailbox where you can drop letters (emails) into multiple slots without mixing them up.

In this analogy, each input slot represents an email address, and the component organizes these slots for you, making sure you know exactly what letters (emails) have been added:

import * as React from 'react';
import ReactMultiEmail, { isEmail } from 'react-multi-email';
import 'react-multi-email/dist/style.css';

interface Props {}

function BasicExample(props: Props) {
    const [emails, setEmails] = React.useState([]);
    const [focused, setFocused] = React.useState(false);

    return (
        

            
Email
             setEmails(_emails)}
                autoFocus={true}
                onFocus={() => setFocused(true)}
                onBlur={() => setFocused(false)}
                getLabel={(email, index, removeEmail) => {
                    return (
                        

                            
{email}
                             removeEmail(index)}>×
                        
                    );
                }}
            />
            

            
react-multi-email value
            
Focused: {focused ? 'true' : 'false'}
            
{emails.join(', ')}
        
    );
}

export default BasicExample;

Understanding the Code

• The component imports React and the ReactMultiEmail component along with some styles.
• Inside the BasicExample function, two state variables are created: emails (which holds the list of email addresses) and focused (to track if the input is focused).
• The ReactMultiEmail component handles the input behavior, allowing users to add multiple emails as if they were placing letters into different mail slots.
• The function returns a form where users can see the email addresses they have entered and whether the input is focused.

Props Overview

The ReactMultiEmail component comes with several props that can be customized:

Troubleshooting

While using the react-multi-email component, you might encounter a few issues. Here are some common troubleshooting tips:

• Emails are not being formatted correctly: Ensure that the emails are properly added to the state and check for any validation errors.
• The input does not focus: Verify that the autoFocus prop is set to true.
• Custom styles are not applied: Make sure you have imported the component stylesheets correctly.

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Conclusion

Integrating the react-multi-email component into your React app can significantly enhance the user experience when inputting multiple email addresses. With its simple API and customizable features, this component is both effective and efficient.

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