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Resolving

Nuxt Kit provides a set of utilities to help you resolve paths. These functions allow you to resolve paths relative to the current module, with unknown name or extension.

Sometimes you need to resolve a paths: relative to the current module, with unknown name or extension. For example, you may want to add a plugin that is located in the same directory as the module. To handle this cases, nuxt provides a set of utilities to resolve paths. resolvePath and resolveAlias are used to resolve paths relative to the current module. findPath is used to find first existing file in given paths. createResolver is used to create resolver relative to base path.

resolvePath

Resolves full path to a file or directory respecting Nuxt alias and extensions options. If path could not be resolved, normalized input path will be returned.

Type

async function resolvePath (path: string, options?: ResolvePathOptions): Promise<string>

Parameters

path

Type: string

Required: true

Path to resolve.

options

Type: ResolvePathOptions

Default: {}

Options to pass to the resolver. This object can have the following properties:

  • cwd (optional)
    Type: string
    Default: process.cwd()
    Current working directory.
  • alias (optional)
    Type: Record<string, string>
    Default: {}
    Alias map.
  • extensions (optional)
    Type: string[]
    Default: ['.js', '.mjs', '.ts', '.jsx', '.tsx', '.json']
    Extensions to try.

Examples

// https://github.com/P4sca1/nuxt-headlessui
import { defineNuxtModule, resolvePath } from '@nuxt/kit'
import { join } from 'pathe'

const headlessComponents: ComponentGroup[] = [
  {
    relativePath: 'combobox/combobox.js',
    chunkName: 'headlessui/combobox',
    exports: [
      'Combobox',
      'ComboboxLabel',
      'ComboboxButton',
      'ComboboxInput',
      'ComboboxOptions',
      'ComboboxOption'
    ]
  },
]

export default defineNuxtModule({
  meta: {
    name: 'nuxt-headlessui',
    configKey: 'headlessui',
  },
  defaults: {
    prefix: 'Headless'
  },
  async setup (options) {
    const entrypoint = await resolvePath('@headlessui/vue')
    const root = join(entrypoint, '../components')

    for (const group of headlessComponents) {
      for (const e of group.exports) {
        addComponent(
          {
            name: e,
            export: e,
            filePath: join(root, group.relativePath),
            chunkName: group.chunkName,
            mode: 'all'
          }
        )
      }
    }
  }
})

resolveAlias

Resolves path aliases respecting Nuxt alias options.

Type

function resolveAlias (path: string, alias?: Record<string, string>): string

Parameters

path

Type: string

Required: true

Path to resolve.

alias

Type: Record<string, string>

Default: {}

Alias map. If not provided, it will be read from nuxt.options.alias.

findPath

Try to resolve first existing file in given paths.

Type

async function findPath (paths: string | string[], options?: ResolvePathOptions, pathType: 'file' | 'dir'): Promise<string | null>

interface ResolvePathOptions {
  cwd?: string
  alias?: Record<string, string>
  extensions?: string[]
}

Parameters

paths

Type: string | string[]

Required: true

A path or an array of paths to resolve.

options

Type: ResolvePathOptions

Default: {}

Options to pass to the resolver. This object can have the following properties:

  • cwd (optional)
    Type: string
    Default: process.cwd()
    Current working directory.
  • alias (optional)
    Type: Record<string, string>
    Default: {}
    Alias map.
  • extensions (optional)
    Type: string[]
    Default: ['.js', '.mjs', '.ts', '.jsx', '.tsx', '.json']
    Extensions to try.

pathType

Type: 'file' | 'dir'

Default: 'file'

Type of path to resolve. If set to 'file', the function will try to resolve a file. If set to 'dir', the function will try to resolve a directory.

createResolver

Creates resolver relative to base path.

Watch Vue School video about createResolver.

Type

function createResolver (basePath: string | URL): Resolver

interface Resolver {
  resolve (...path: string[]): string
  resolvePath (path: string, options?: ResolvePathOptions): Promise<string>
}

interface ResolvePathOptions {
  cwd?: string
  alias?: Record<string, string>
  extensions?: string[]
}

Parameters

basePath

Type: string

Required: true

Base path to resolve from.

Examples

// https://github.com/vuejs/pinia/blob/v2/packages/nuxt
import {
  defineNuxtModule,
  isNuxt2,
  createResolver,
} from '@nuxt/kit'

export default defineNuxtModule({
  setup(options, nuxt) {
    const resolver = createResolver(import.meta.url)

    nuxt.hook('modules:done', () => {
      if (isNuxt2()) {
        addPlugin(resolver.resolve('./runtime/plugin.vue2'))
      } else {
        addPlugin(resolver.resolve('./runtime/plugin.vue3'))
      }
    })
  }
})