vite.config.ts

import { fileURLToPath, URL } from "node:url";

/**
 * The desktop app ships the same renderer, minus the parts that only make sense on the web:
 * analytics (a program that phones home on launch is a different bargain than a web page),
 * and the PWA plumbing, which `public/main.js` already skips under Electron
 */
const ANALYTICS_HOSTS = ["www.googletagmanager.com", "stats.barrulus.com"];

/** matched by host rather than by the exact tag, so attribute order and line breaks cannot smuggle one through */
const analyticsTag = (host: string) =>
  new RegExp(`<script\\b[^>]*src="https://${host.replace(/\./g, "\\.")}[^>]*>\\s*</script>\\s*`, "g");

const stripWebOnlyTags = {
  name: "strip-web-only-tags",
  transformIndexHtml: (html: string) =>
    ANALYTICS_HOSTS.reduce((out, host) => out.replace(analyticsTag(host), ""), html)
      .replace(/<script>\s*window\.dataLayer[\s\S]*?<\/script>\s*/, "")
      .replace(/<link rel="manifest"[^>]*>\s*/, "")
};

export default ({ mode }: { mode: string }) => ({
  root: "./src",
  base: mode === "electron" ? "./" : process.env.NETLIFY ? "/" : "/Fantasy-Map-Generator/",
  plugins: mode === "electron" ? [stripWebOnlyTags] : [],
  build: {
    outDir: mode === "electron" ? "../dist-electron/renderer" : "../dist",
    assetsDir: "./",
    emptyOutDir: mode === "electron"
  },
  publicDir: "../public",
  resolve: {
    alias: {
      "@": fileURLToPath(new URL("./src", import.meta.url))
    }
  }
});