import { defineConfig } from "vite";
import react from "@vitejs/plugin-react";
import tailwindcss from "@tailwindcss/vite";
import { fileURLToPath, URL } from "node:url";

// The Go server reads build.manifest to find the hashed entry files, so the
// manifest is not optional here — without it there is no document to render.
export default defineConfig({
  plugins: [react(), tailwindcss()],
  resolve: {
    alias: { "@": fileURLToPath(new URL("./src", import.meta.url)) },
  },
  build: {
    manifest: true,
    outDir: "dist",
    emptyOutDir: true,
  },
  server: {
    port: 5173,
    // In development Vite owns index.html and the API lives in the Go process.
    // The share tags are therefore only exercised by the container, which is
    // what the CI smoke test is for.
    proxy: {
      "/api": { target: "http://localhost:3000", changeOrigin: false },
      // Regex, not a prefix: Vite only treats a key as one when it starts with ^.
      "^/kampanyok/.+/og\\.png$": { target: "http://localhost:3000" },
    },
  },
});