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67 lines
2.4 KiB
Markdown
67 lines
2.4 KiB
Markdown
---
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title: 'Layers'
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description: Nuxt provides a powerful system that allows you to extend the default files, configs, and much more.
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navigation.icon: i-ph-stack-duotone
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---
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One of the core features of Nuxt 3 is the layers and extending support. You can extend a default Nuxt application to reuse components, utils, and configuration. The layers structure is almost identical to a standard Nuxt application which makes them easy to author and maintain.
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## Use Cases
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- Share reusable configuration presets across projects using `nuxt.config` and `app.config`
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- Create a component library using [`components/`](/docs/guide/directory-structure/components) directory
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- Create utility and composable library using [`composables/`](/docs/guide/directory-structure/composables) and [`utils/`](/docs/guide/directory-structure/utils) directories
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- Create Nuxt module presets
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- Share standard setup across projects
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- Create Nuxt themes
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## Usage
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You can extend a layer by adding the [extends](/docs/api/nuxt-config#extends) property to the [`nuxt.config.ts`](/docs/guide/directory-structure/nuxt-config) file.
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```ts [nuxt.config.ts]
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export default defineNuxtConfig({
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extends: [
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'../base', // Extend from a local layer
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'@my-themes/awesome', // Extend from an installed npm package
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'github:my-themes/awesome#v1', // Extend from a git repository
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]
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})
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```
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You can also pass an authentication token if you are extending from a private GitHub repository:
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```ts [nuxt.config.ts]
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export default defineNuxtConfig({
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extends: [
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// per layer configuration
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['github:my-themes/private-awesome', { auth: process.env.GITHUB_TOKEN }]
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]
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})
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```
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Nuxt uses [unjs/c12](https://c12.unjs.io) and [unjs/giget](https://giget.unjs.io) for extending remote layers. Check the documentation for more information and all available options.
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::read-more{to="/docs/guide/going-further/layers"}
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Read more about layers in the **Layer Author Guide**.
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::
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::tip{icon="i-ph-video-duotone" to="https://www.youtube.com/watch?v=lnFCM7c9f7I" target="_blank"}
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Watch Learn Vue video about Nuxt Layers.
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::
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## Examples
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::card-group
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::card
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---
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icon: i-simple-icons-github
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title: Content Wind Theme
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to: https://github.com/Atinux/content-wind
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target: _blank
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ui.icon.base: text-black dark:text-white
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---
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A lightweight Nuxt theme to build a Markdown driven website. Powered by Nuxt Content, TailwindCSS and Iconify.
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::
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::
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