vite.config.ts

import { defineConfig } from 'vite'
import { fileURLToPath, URL } from 'url'
import react from '@vitejs/plugin-react'

const host = process.env.TAURI_DEV_HOST

// https://vitejs.dev/config/
export default defineConfig(async () => ({
  plugins: [react()],
  optimizeDeps: {
    include: ['@tauri-apps/plugin-dialog'],
  },
  resolve: {
    alias: {
      src: fileURLToPath(new URL('./src', import.meta.url)),
    },
  },
  // 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,
    host: host || false,
    hmr: host
      ? {
          protocol: 'ws',
          host,
          port: 1421,
        }
      : undefined,
    watch: {
      // 3. tell vite to ignore watching `src-tauri`
      ignored: ['**/src-tauri/**'],
    },
  },
}))