Next.js is a powerful framework for building server-side rendered React applications. It offers a great developer experience and provides features like automatic code splitting, server-side rendering, and static site generation. In this article, I will be showing you an example of a login page built with Next.js.
Before diving into the code, let’s briefly discuss the importance of having a secure login page. A login page is a crucial component of any web application that requires user authentication. It allows users to access personalized content and protects sensitive information. It is essential to implement proper security measures to prevent unauthorized access and protect user data.
Setting Up the Project
To get started, we need to set up a new Next.js project. Before doing that, make sure you have Node.js installed on your machine. Once you have Node.js installed, you can create a new Next.js project by running the following command in your terminal:
npx create-next-app next-login-example
This will set up a new Next.js project in a directory named “next-login-example”. Navigate into the project directory by running:
cd next-login-example
Now that our project is set up, let’s create a new file called “Login.js” in the “pages” directory. This file will serve as our login page component. Here’s an example of what the code can look like:
import React, { useState } from 'react';
const Login = () => {
const [email, setEmail] = useState('');
const [password, setPassword] = useState('');
const handleEmailChange = (e) => {
setEmail(e.target.value);
};
const handlePasswordChange = (e) => {
setPassword(e.target.value);
};
const handleSubmit = (e) => {
e.preventDefault();
// Your login logic goes here
};
return (
Login
);
};
export default Login;
In this example, we’ve created a simple login form using React hooks. We have two useState hooks for managing the state of the email and password inputs. The handleEmailChange and handlePasswordChange functions update the state as the user types in the inputs. The handleSubmit function is called when the user submits the form, preventing the default form submission and allowing you to add your own login logic.
Styling the Login Page
Next.js allows you to style your components using CSS-in-JS libraries like styled-components or CSS modules. For this example, let’s use CSS modules. Create a new file called “login.module.css” in the same “pages” directory. Add the following CSS code to style our login form:
.container {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
height: 100vh;
}
.form {
display: flex;
flex-direction: column;
gap: 1rem;
padding: 1rem;
border: 1px solid #ccc;
border-radius: 4px;
width: 300px;
}
.label {
font-weight: bold;
}
.input {
padding: 0.5rem;
border: 1px solid #ccc;
border-radius: 4px;
}
.button {
padding: 0.5rem;
background-color: #0070f3;
color: #fff;
border: none;
border-radius: 4px;
cursor: pointer;
}
In the “Login.js” file, import the CSS module and add the appropriate class names to the corresponding elements:
import React, { useState } from 'react';
import styles from './login.module.css';
const Login = () => {
// ...
return (
Login
);
};
export default Login;
With these changes, our login form will be styled according to the CSS rules defined in the module.
Conclusion
In this article, we’ve explored how to create a login page using Next.js. We started by setting up a new Next.js project and creating a login page component. We then added basic form functionality using React hooks and styled the login page using CSS modules.
A login page is a critical part of any web application that requires user authentication. It allows users to access personalized content while ensuring the security of their data. By following the example and using Next.js, you can create a robust and secure login page for your web application.
Check out the Next.js documentation for more information on building web applications with Next.js.
