vite.config.ts

import { defineConfig } from 'vite'
import { tanstackStart } from '@tanstack/react-start/plugin/vite'
import viteReact from '@vitejs/plugin-react'
import tailwindcss from '@tailwindcss/vite'
import { nitro } from 'nitro/vite'

// Note: we don't use Nitro's `prerender` here because its prerenderer
// runs before TanStack Start's Vite SSR build completes — the routes
// aren't reachable yet at that phase, so every doc URL would 404. The
// post-build `scripts/snapshot.mjs` boots the fully-built server and
// crawls each /documentation/* URL into static HTML; Pagefind then
// indexes those snapshots.

const config = defineConfig({
  // Mount under /documentation/ so all client assets are emitted with
  // that prefix. The docs container is reverse-proxied by Traefik via
  // `Host(packyard.test) && PathPrefix(/documentation)` — without this
  // base, the browser requests /assets/* which Traefik routes to the
  // website container (which doesn't have those files).
  base: '/documentation/',
  server: {
    // Vite v6+ blocks requests whose Host header isn't in the allowed
    // list. The workspace docker stack proxies traffic to this dev
    // server with Host: packyard.test, so it must be explicitly
    // allowed. `localhost` and `127.0.0.1` cover direct access.
    allowedHosts: ['packyard.test', 'localhost', '127.0.0.1'],
  },
  resolve: { tsconfigPaths: true },
  plugins: [
    // Nitro `baseURL` tells the runtime the whole app is mounted at
    // /documentation/, so its static-asset handler answers requests
    // for /documentation/assets/* by reading from `.output/public/assets/*`
    // and the SSR catchall doesn't swallow them.
    nitro({ baseURL: '/documentation/' }),
    tailwindcss(),
    tanstackStart(),
    viteReact(),
  ],
})

export default config