import { defineConfig, createLogger } from "vite";
import { sveltekit } from "@sveltejs/kit/vite";
import tailwindcss from "@tailwindcss/vite";

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

// SvelteKit passes codeSplitting to Rollup 4 which no longer recognises it — harmless
const logger = createLogger();
const baseWarn = logger.warn.bind(logger);
logger.warn = (/** @type {string} */ msg, /** @type {any} */ options) => {
  // SvelteKit passes codeSplitting to Rollup 4 which no longer recognises it
  if (msg.includes("codeSplitting")) return;
  // Large chunks are fine for a desktop app — no network penalty
  if (msg.includes("chunks are larger than")) return;
  // Dynamic/static import mix in CodeMirror — harmless, module stays in main chunk
  if (msg.includes("dynamically imported by") && msg.includes("codemirror")) return;
  baseWarn(msg, options);
};

// https://vite.dev/config/
export default defineConfig(async () => ({
  plugins: [tailwindcss(), sveltekit()],
  customLogger: logger,

  // 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/**"],
    },
  },
}));