vite.config.js

import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'

import topLevelAwait from 'vite-plugin-top-level-await'

// https://vitejs.dev/config/
export default defineConfig(async () => ({
  plugins: [
    vue(),
    topLevelAwait({
      // The export name of top-level await promise for each chunk module
      promiseExportName: '__tla',
      // The function to generate import names of top-level await promise in each chunk module
      promiseImportName: (i) => `__tla_${i}`
    })
  ],

  // Vite options tailored for Tauri development and only applied in `tauri dev` or `tauri build`
  //
  // 1. prevent vite from obscuring rust errors
  clearScreen: false,
  // 2. tauri expects a fixed port, fail if that port is not available
  server: {
    port: 1420,
    strictPort: true
  },
  // 3. to make use of `TAURI_DEBUG` and other env variables
  // https://tauri.app/v1/api/config#buildconfig.beforedevcommand
  envPrefix: ['VITE_', 'TAURI_']
}))