fix: restore nuxt 3 support, closes #820

Author: Akryum

packages/floating-vue/nuxt.mjs

@@ -0,0 +1,26 @@
+export default function () {
+  const nuxt = this.nuxt
+  nuxt.options.vue.compilerOptions.directiveTransforms = nuxt.options.vue.compilerOptions.directiveTransforms || {}
+  nuxt.options.vue.compilerOptions.directiveTransforms.tooltip = () => ({
+    props: [],
+    needRuntime: true,
+  })
+
+  nuxt.options.css.push('floating-vue/dist/style.css')
+
+  this.addPlugin({
+    filename: 'floating-vue.mjs',
+    getContents: () => `
+      import { defineNuxtPlugin } from '#app'
+      import FloatingVue from 'floating-vue'
+      
+      export default defineNuxtPlugin((nuxtApp) => {
+        // @TODO cutomization
+        nuxtApp.vueApp.use(FloatingVue)
+      })
+    `,
+  })
+
+  // @TODO remove when floating-ui supports native ESM
+  nuxt.options.build.transpile.push('floating-vue', '@floating-ui/core', '@floating-ui/dom')
+}