feat(cli): add placeholder generate command (#738)

packages/nuxi/src/commands/generate.ts

@@ -0,0 +1,26 @@
+import { resolve } from 'pathe'
+import { isNuxt3 } from '@nuxt/kit'
+import { importModule } from '../utils/cjs'
+
+import { defineNuxtCommand } from './index'
+
+export default defineNuxtCommand({
+  meta: {
+    name: 'generate',
+    usage: 'npx nuxi generate [rootDir]',
+    description: ''
+  },
+  async invoke (args) {
+    process.env.NODE_ENV = process.env.NODE_ENV || 'production'
+    const rootDir = resolve(args._[0] || '.')
+
+    const { loadNuxt } = await importModule('@nuxt/kit', rootDir) as typeof import('@nuxt/kit')
+    const nuxt = await loadNuxt({ rootDir })
+
+    if (isNuxt3(nuxt)) {
+      throw new Error('`nuxt generate` is not supported in Nuxt 3. Please follow this RFC: https://git.io/JKfvx')
+    } else {
+      throw new Error('Please use `nuxt generate` for Nuxt 2 instead of `nuxi generate`')
+    }
+  }
+})

packages/nuxi/src/commands/index.ts

@@ -5,6 +5,7 @@ const _rDefault = r => r.default || r
 export const commands = {
   dev: () => import('./dev').then(_rDefault),
   build: () => import('./build').then(_rDefault),
+  generate: () => import('./generate').then(_rDefault),
   prepare: () => import('./prepare').then(_rDefault),
   usage: () => import('./usage').then(_rDefault),
   info: () => import('./info').then(_rDefault),