pay-tools/vite.config.ts

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

// @ts-expect-error process is a nodejs global
const host = process.env.TAURI_DEV_HOST

// https://vitejs.dev/config/
export default defineConfig(async () => ({
  plugins: [vue(), UnoCSS()],

  // 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/**']
    }
  }
}))