Function realpathSync

lib/internal/vfs/setup.js:240–246

(path, options)

      }
    },
    realpathSync(path, options) {
      const result = vfsRead(path, 'realpath', (vfs, n) => vfs.realpathSync(n));
      if (result !== undefined && options?.encoding === 'buffer') {
        return Buffer.from(result);
      }
      return result;
    },
    accessSync(path, mode) {
      const pathStr = toPathStr(path);
      if (pathStr !== null) {