fix: opt in to import.meta.* properties

Author: danielroe

docs/content/1.getting-started/2.configuration.md

@@ -70,7 +70,7 @@ component is rendered, you must manually initialize the tsParticles library (suc
 import { tsParticles } from '@tsparticles/engine'
 import { loadFull } from 'tsparticles' // or whichever bundle you wish to use
 
-if (process.client) {
+if (import.meta.client) {
   // This example will BLOCK your application from rendering until the tsParticles library is initialized
   // You can put this in some other place if you know that you won't be loading particles until after the first paint
   await loadFull(tsParticles)

playground/app.vue

@@ -26,7 +26,7 @@ const { mode } = useRuntimeConfig().public.particles
 
 const show = ref(false)
 
-if(process.client && mode === 'custom') {
+if(import.meta.client && mode === 'custom') {
   await loadFull(tsParticles)
 }
 

src/runtime/plugins/particle-loader.client.ts

@@ -3,7 +3,7 @@ import { loadParticles } from '../lib/loaders'
 import { tsParticles} from 'tsparticles-engine'
 
 export default defineNuxtPlugin(async (nuxtApp) => {
-  if(process.server) { return }
+  if(import.meta.server) { return }
 
   const runtimeConfig = useRuntimeConfig()
   const { mode } = runtimeConfig.public.particles