OpenNext: [unenv] fs.readFileSync is not implemented yet!

[unenv] fs.readFileSync is not implemented yet!

mnt/c/Users/X/Projects/X/.open-next/server-functions/default/handler.mjs
    function loadManifest(path2, shouldCache = true, cache = sharedCache) {
      const cached = shouldCache && cache.get(path2);
      if (cached) {
        return cached;
      }
      let manifest = JSON.parse((0, _fs.readFileSync)(
        /* turbopackIgnore: true */
        path2,
        "utf8"
      ));
      if (shouldCache) {
                

{
  "$schema": "node_modules/wrangler/config-schema.json",
  "main": ".open-next/worker.js",
  "name": "X",
  "compatibility_date": "2024-12-30",
  "compatibility_flags": ["nodejs_compat"],
  "assets": {
    "directory": ".open-next/assets",
    "binding": "ASSETS",
  },
  "kv_namespaces": [
    {
      "binding": "NEXT_INC_CACHE_KV",
      "id": "NEXT_CACHE_WORKERS_KV",
    },
  ],
  "r2_buckets": [
    {
      "binding": "NEXT_PUBLIC_R2_BUCKET",
      "bucket_name": "NEXT_PUBLIC_R2_BUCKET",
    },
  ],
  "observability": {
    "enabled": true,
  },