Nuxt/packages/nuxi/src/commands/index.ts

import type { Argv } from 'mri'

const _rDefault = r => r.default || r

export const commands = {
  dev: () => import('./dev').then(_rDefault),
  build: () => import('./build').then(_rDefault),
  prepare: () => import('./prepare').then(_rDefault),
  usage: () => import('./usage').then(_rDefault),
  info: () => import('./info').then(_rDefault)
}

export type Command = keyof typeof commands

export interface NuxtCommandMeta {
  name: string;
  usage: string;
  description: string;
  [key: string]: any;
}

export interface NuxtCommand {
  invoke(args: Argv): Promise<void> | void
  meta: NuxtCommandMeta
}

export function defineNuxtCommand (command: NuxtCommand): NuxtCommand {
  return command
}