1. Introduction

1.1. Brief explanation of the tutorial's goal

In this tutorial, our goal is to provide an introduction to the concept of layouts in Nuxt.js. Layouts are a crucial feature of Nuxt.js that allow developers to create reusable structures for various pages in an application.

1.2. What the user will learn

By the end of this tutorial, you will understand the concept of layouts in Nuxt.js, how to define and use them, and the benefits they provide in creating clean, reusable code.

1.3. Prerequisites

The user should have a basic understanding of JavaScript, Vue.js, and Nuxt.js. Familiarity with HTML and CSS is also helpful.

2. Step-by-Step Guide

Layouts in Nuxt.js provide a way to wrap pages with a common look and feel, such as headers, footers, and navigation bars. They simplify the process of managing the structure of your web application by reusing the same layout across multiple pages.

2.1. Defining a Layout

In Nuxt.js, layouts are defined in the layouts directory. By default, Nuxt.js includes a default layout (default.vue), but you can create additional layouts as per your requirements.

Example of a simple layout named customLayout.vue:

<template>
  <div>
    <header>
      <nav>...</nav>
    </header>
    <Nuxt />
    <footer>...</footer>
  </div>
</template>

<Nuxt /> is the placeholder where your page components will be loaded.

2.2. Using a Layout

To use a layout, you need to specify it in the page component where you want that layout to be applied.

Example:

<template>
  <div>
    <h1>My Page</h1>
  </div>
</template>

<script>
export default {
  layout: 'customLayout'
  // other options...
}
</script>

3. Code Examples

Let's create two pages, Home and About, and apply our custom layout to them.

3.1. Home Page

Create a home.vue file in the pages directory.

<template>
  <div>
    <h1>Home Page</h1>
  </div>
</template>

<script>
export default {
  layout: 'customLayout'
}
</script>

3.2. About Page

Create an about.vue file in the pages directory.

<template>
  <div>
    <h1>About Page</h1>
  </div>
</template>

<script>
export default {
  layout: 'customLayout'
}
</script>

In both these examples, we are using the customLayout that we defined earlier. The layout property in the script section tells Nuxt.js to use that layout for the page.

4. Summary

In this tutorial, we learned about the concept of layouts in Nuxt.js, how to define and use them in your Nuxt.js applications. Layouts are a powerful feature of Nuxt.js that help you keep your code DRY (Don't Repeat Yourself) and manage the structure of your application effectively.

5. Practice Exercises

1. Create a new layout with a different structure and apply it to a new page.
2. Try creating a layout that includes dynamic content (e.g., a username in the header).
3. Explore how to create nested layouts (a layout within another layout).

Remember, practice is key in mastering any concept. Happy coding!