FutureOrBuilder

aync.dart

import 'dart:async';

import 'package:flutter/widgets.dart';

class FutureOrBuilder<T> extends StatelessWidget {
  final FutureOr<T?> future;
  final Widget Function(BuildContext context, AsyncSnapshot<T?> snapshot) builder;

  const FutureOrBuilder({super.key, required this.builder, required this.future});

  @override
  Widget build(BuildContext context) {
    if (future is T?) {
      return builder(context, AsyncSnapshot.withData(ConnectionState.done, future as T?));
    }
    return FutureBuilder(future: future as Future<T?>, builder: builder);
  }
}