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Modules

Nuxt Kit provides a set of utilities to help you create and use modules. You can use these utilities to create your own modules or to reuse existing modules.

Modules are the building blocks of Nuxt. Kit provides a set of utilities to help you create and use modules. You can use these utilities to create your own modules or to reuse existing modules. For example, you can use the defineNuxtModule function to define a module and the installModule function to install a module programmatically.

defineNuxtModule

Define a Nuxt module, automatically merging defaults with user provided options, installing any hooks that are provided, and calling an optional setup function for full control.

Type

function defineNuxtModule<OptionsT extends ModuleOptions> (definition: ModuleDefinition<OptionsT> | NuxtModule<OptionsT>): NuxtModule<OptionsT>

type ModuleOptions = Record<string, any>

interface ModuleDefinition<T extends ModuleOptions = ModuleOptions> {
  meta?: ModuleMeta
  defaults?: T | ((nuxt: Nuxt) => T)
  schema?: T
  hooks?: Partial<NuxtHooks>
  setup?: (this: void, resolvedOptions: T, nuxt: Nuxt) => Awaitable<void | false | ModuleSetupReturn>
}

interface NuxtModule<T extends ModuleOptions = ModuleOptions> {
  (this: void, inlineOptions: T, nuxt: Nuxt): Awaitable<void | false | ModuleSetupReturn>
  getOptions?: (inlineOptions?: T, nuxt?: Nuxt) => Promise<T>
  getMeta?: () => Promise<ModuleMeta>
}

interface ModuleSetupReturn {
  timings?: {
    setup?: number
    [key: string]: number | undefined
  }
}

interface ModuleMeta {
  name?: string
  version?: string
  configKey?: string
  compatibility?: NuxtCompatibility
  [key: string]: unknown
}

Parameters

definition

Type: ModuleDefinition<T> | NuxtModule<T>

Required: true

A module definition object or a module function.

  • meta (optional)
    Type: ModuleMeta
    Metadata of the module. It defines the module name, version, config key and compatibility.
  • defaults (optional)
    Type: T | ((nuxt: Nuxt) => T)
    Default options for the module. If a function is provided, it will be called with the Nuxt instance as the first argument.
  • schema (optional)
    Type: T
    Schema for the module options. If provided, options will be applied to the schema.
  • hooks (optional)
    Type: Partial<NuxtHooks>
    Hooks to be installed for the module. If provided, the module will install the hooks.
  • setup (optional)
    Type: (this: void, resolvedOptions: T, nuxt: Nuxt) => Awaitable<void | false | ModuleSetupReturn>
    Setup function for the module. If provided, the module will call the setup function.

Examples

// https://github.com/nuxt/starter/tree/module
import { defineNuxtModule } from '@nuxt/kit'

export default defineNuxtModule({
  meta: {
    name: 'my-module',
    configKey: 'myModule'
  },
  defaults: {
    test: 123
  },
  setup (options, nuxt) {
    nuxt.hook('modules:done', () => {
      console.log('My module is ready with current test option: ', options.test)
    })    
  }
})

installModule

Install specified Nuxt module programmatically. This is helpful when your module depends on other modules. You can pass the module options as an object to inlineOptions and they will be passed to the module's setup function.

Type

async function installModule (moduleToInstall: string | NuxtModule, inlineOptions?: any, nuxt?: Nuxt)

Parameters

moduleToInstall

Type: string | NuxtModule

Required: true

The module to install. Can be either a string with the module name or a module object itself.

inlineOptions

Type: any

Default: {}

An object with the module options to be passed to the module's setup function.

nuxt

Type: Nuxt

Default: useNuxt()

Nuxt instance. If not provided, it will be retrieved from the context via useNuxt() call.

Examples

import { defineNuxtModule, installModule } from '@nuxt/kit'

export default defineNuxtModule({  
  async setup (options, nuxt) {
    // will install @nuxtjs/fontaine with Roboto font and Impact fallback
    await installModule('@nuxtjs/fontaine', {
      // module configuration
      fonts: [
        {
          family: 'Roboto',
          fallbacks: ['Impact'],
          fallbackName: 'fallback-a',
        }
      ]
    })
  }
})