vite.config.js

import { defineConfig, loadEnv } from "vite";
import react from "@vitejs/plugin-react";
import prerender from "@prerenderer/rollup-plugin";
import puppeteerRenderer from "@prerenderer/renderer-puppeteer";
import generateRoutes from "./src/service/SEO/generateRoutes";

export default defineConfig(async ({ mode }) => {
  const env = loadEnv(mode, process.cwd(), "");
  const routes = await generateRoutes(env.VITE_API_BASE_URL);

  const isVercel = process.env.VERCEL === "1";

  return {
    plugins: [
      react(),
      !isVercel &&
        prerender({
          routes,
          renderer: puppeteerRenderer,
          rendererOptions: {
            maxConcurrentRoutes: 1,
            renderAfterTime: 500,
          },
        }),
    ],
    build: {
      assetsInlineLimit: 0,
    },
  };
});