How to Import SCSS in Next.js: A Step-by-Step Guide

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Introduction

In the rapidly evolving world of web development, technologies that save time and enhance functionality are key. Next.js, a powerful React framework, offers developers ease of setup, automatic routing, and server-side rendering capabilities. To further boost the developer experience, incorporating style pre-processors like SCSS is invaluable. In this guide, we will delve into how to “import SCSS in Next.js,” enabling you to manage stylesheets in a more modular and dynamic way.

SCSS, or Syntactically Awesome Style Sheets, introduces variables, nesting, and mixins which make managing CSS much simpler. By the end of this article, you will have a solid understanding of how to import SCSS in Next.js, enhancing both the styling process and the overall design workflow.

Also Read: Complete Next.js Tutorial: Mastering Full Stack Development

Setting Up Your Next.js Project

So, first step to do when you Import SCSS in Next.js.Before you can start with import SCSS in Next.js project, you must first ensure that your project environment is properly set up. If you’re starting from scratch, here’s how you can set up a basic Next.js project:

  1. Create a New Next.js Project:
    Open your terminal and run the following command to create a new Next.js app:
    Ensure that Node.js is installed on your machine. You can download it from nodejs.org.
npx create-next-app your-project-name

Replace your-project-name with the desired project name. This command creates a new folder containing all the basic setup you need.

2. Navigate to Your Project Directory:
Change into your project directory using:

cd your-project-name

3. Run Your Next.js Application:
Start the development server to see if everything is working fine:

npm run dev

Open your browser and visit http://localhost:3000 to see your new Next.js application running.

Now that your basic Next.js project is ready, it’s time to add SCSS support.

Installing Necessary Packages to Import SCSS in Next.js

To integrate SCSS into your Next.js project, you need to install Sass. Next.js supports Sass out of the box with a simple installation of the Sass package. Here’s how you can do it:

  1. Install Sass:
    While in your project directory, run the following command to install Sass:
npm install sass

This command adds Sass to your project, allowing you to process .scss or .sass files.

2. Verify Installation:
Ensure that the installation is successful by checking your package.json file. You should see sass listed under dependencies.

With Sass installed, your Next.js project is now ready to handle SCSS files. Let’s configure your project to start using SCSS.

Configuring Next.js to Use SCSS

Once you’ve installed Sass, configuring Next.js to process SCSS files is straightforward since Next.js has built-in support for Sass. However, it’s good practice to understand how you can customize the behavior if needed:

Also Read: A Complete CSS Tutorial: Mastering the Art of Web Styling

  1. Creating a Custom Configuration:
    Although no additional setup is required strictly for SCSS, if you want to customize Webpack or add plugins, you will need to modify the next.config.js file. Here is an example of how you might adjust it:
// next.config.js
const path = require('path');

module.exports = {
  sassOptions: {
    includePaths: [path.join(__dirname, 'styles')],
  },
}

This configuration snippet tells Next.js to include a specific path when compiling your SCSS files, allowing you to organize your stylesheets more flexibly.

2. Restart Your Server:
After making changes to the configuration, restart your development server to ensure all configurations are applied correctly.

Now that your Next.js app is configured to handle SCSS, let’s look at how to create and manage SCSS files in your project.

Creating SCSS Files in Your Project

To take full advantage of SCSS in your Next.js project, you’ll want to structure your SCSS files efficiently:

  1. Creating Your First SCSS File:
    Inside your project directory, create a new folder called styles if it doesn’t already exist. Inside this folder, create a file named main.scss. This will be your global stylesheet.
// styles/main.scss
$primary-color: #0070f3;

body {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
  color: $primary-color;
}

Here, we define a primary color variable and apply it to the body’s text color.

2. Organizing SCSS Files:
As your project grows, you may want to split your styles into multiple SCSS files. For example, variables and mixins could be placed in _variables.scss and _mixins.scss files respectively, and imported into your main SCSS file:

// styles/main.scss
@import 'variables';
@import 'mixins';

This approach helps keep your styles organized and maintainable.

Importing SCSS Files into Next.js Components

So, here we came to the point to import SCSS in Next.js.

With your SCSS files created, you can now import them into your Next.js components to apply the styles:

  1. Importing Styles:
    Open your component file, for example pages/index.js, and import your SCSS file at the top:
import '../styles/main.scss';

export default function Home() {
  return (
    <div>
      <h1>Welcome to Next.js!</h1>
    </div>
  );
}

With this, the styles defined in main.scss will now apply to your Home component.

Using SCSS Variables and Mixins in Next.js

SCSS provides powerful features such as variables and mixins that can make your styling more efficient and your codebase more maintainable. Here’s how you can use these features in your Next.js project:

  1. Defining and Using Variables:
    Variables in SCSS help you manage colors, fonts, and other elements consistently across your project. Define variables in a partial file like _variables.scss:
// styles/_variables.scss
$primary-color: #0070f3;
$secondary-color: #ff4081;

You can then use these variables in other SCSS files:

// styles/main.scss
@import 'variables';

body {
  background-color: $primary-color;
  color: $secondary-color;
}

2. Creating and Using Mixins:
Mixins allow you to create reusable chunks of code. Define a mixin in a file such as _mixins.scss:

// styles/_mixins.scss
@mixin flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

Use this mixin in your SCSS to apply flex settings:

// styles/main.scss
@import 'mixins';

.header {
  @include flex-center;
  height: 60px;
}

This approach makes your code cleaner and easier to manage, especially as your project scales.

Best Practices for Managing SCSS in Next.js

So, here are some best practices when you import SCSS in Next.js.

When managing SCSS in a Next.js project, following best practices can significantly enhance your development workflow:

  1. Keep Styles Modular:
    Organize your styles into separate files based on components, functionality, or layout. This modularity makes it easier to maintain and update styles.
  2. Leverage SCSS Features:
    Fully utilize SCSS features like nesting, partials, and inheritance to write concise and clear stylesheets.
  3. Optimize for Performance:
    Although SCSS is processed into CSS at build time, keeping an eye on the complexity and size of your stylesheets is crucial. Avoid deeply nested rules and extensive use of expensive functions and mixins within commonly used classes.
  4. Consistent Naming Convention:
    Adopt a consistent naming convention like BEM (Block Element Modifier) to make your styles more readable and easier to understand across team members.

Also, check out: HOW TO IMPORT EXTERNAL CSS FILES IN NEXT.JS

Conclusion

By following this guide on how to “import SCSS in Next.js,” you should now have a thorough understanding of integrating and using SCSS in your Next.js projects. From installing and configuring SCSS to leveraging its advanced features for better style management, you’re well-equipped to enhance your web applications with sophisticated styling solutions.

We encourage you to apply these techniques when you import SCSS in Next.js project. Experiment with SCSS features to see how they can improve your development process and the quality of your application’s design. Share your experiences and any additional tips you discover along the way!

We hope this guide have helped with import SCSS in Next.js project.

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