fix: nuxt 3.0.0 stable support (#250)

Co-authored-by: Joaquín Sánchez <joaquin.sanchez@fi2net.es>
fixes #249

examples/nuxt3/nuxt.config.ts

@@ -1,5 +1,3 @@
-import { defineNuxtConfig } from 'nuxt'
-
 // https://v3.nuxtjs.org/api/configuration/nuxt.config
 export default defineNuxtConfig({
   modules: [

examples/nuxt3/package.json

@@ -7,8 +7,9 @@
     "preview": "nuxt preview"
   },
   "devDependencies": {
-    "@iconify/json": "^2.1.131",
-    "nuxt": "3.0.0-rc.12",
+    "@iconify-json/logos": "^1.1.18",
+    "@iconify-json/mdi": "^1.1.34",
+    "nuxt": "^3.0.0",
     "unplugin-icons": "link:../.."
   }
 }

src/nuxt.ts

@@ -1,20 +1,22 @@
 import type { Options } from './types'
 import unplugin from '.'
 
-export default function (this: any, options: Options = {}) {
-  if (this.nuxt?._version?.startsWith('3.'))
+export default function (this: any, options: Options = {}, nuxt: any) {
+  const nuxtApp = this?.nuxt || nuxt
+
+  if (nuxtApp?._version?.startsWith('3.'))
     options.compiler = 'vue3'
 
   // install webpack plugin
-  this.nuxt.hook('webpack:config', (configs: any[]) => {
+  nuxtApp.hook('webpack:config', (configs: any[]) => {
     configs.forEach((config) => {
       config.plugins = config.plugins || []
       config.plugins.unshift(unplugin.webpack(options))
     })
   })
 
   // install vite plugin
-  this.nuxt.hook('vite:extend', async (vite: any) => {
+  nuxtApp.hook('vite:extend', async (vite: any) => {
     vite.config.plugins = vite.config.plugins || []
     vite.config.plugins.push(unplugin.vite(options))
   })