vite.config.ts

import { defineConfig } from "vite";
import react from "@vitejs/plugin-react";
import path from "path";

const host = process.env.TAURI_DEV_HOST;

// https://vitejs.dev/config/
export default defineConfig({
  plugins: [react()],
  resolve: {
    alias: [{ find: "@", replacement: path.resolve(__dirname, "src") }],
  },
  // prevent vite from obscuring rust errors
  clearScreen: false,
  // Tauri expects a fixed port, fail if that port is not available
  server: {
    host: host || false,
    port: 1420,
    strictPort: true,
    hmr: host
      ? {
          protocol: "ws",
          host: host,
          port: 1430,
        }
      : undefined,
    proxy: {
      "/ArcGis": {
        target: "https://services.arcgisonline.com",
        changeOrigin: true,
      },
    },
  },
  // to access the Tauri environment variables set by the CLI with information about the current target
  envPrefix: [
    "VITE_",
    "TAURI_PLATFORM",
    "TAURI_ARCH",
    "TAURI_FAMILY",
    "TAURI_PLATFORM_VERSION",
    "TAURI_PLATFORM_TYPE",
    "TAURI_DEBUG",
  ],
  build: {
    // Tauri uses Chromium on Windows and WebKit on macOS and Linux
    target: process.env.TAURI_PLATFORM == "windows" ? "chrome105" : "safari13",
    // don't minify for debug builds
    minify: !process.env.TAURI_DEBUG ? "esbuild" : false,
    // produce sourcemaps for debug builds
    sourcemap: !!process.env.TAURI_DEBUG,
    // ignores rollup sourcemap errors (build with rollup, not the app)
    rollupOptions: {
      onwarn(warning, defaultHandler) {
        if (warning.code === "SOURCEMAP_ERROR") {
          return;
        }

        defaultHandler(warning);
      },
    },
    /* Increase warning threshold for chunk size because we
     * have a desktop application, so large chunks won't really
     * effect our performance.
     */
    chunkSizeWarningLimit: 1000,
  },
  base: "./",
});