import 'dart:async';
import 'dart:isolate';

/// Simple worker that executes functions in a separate isolate.
/// Replacement for combine package's CombineWorker.
class IsolateWorker {
  /// Execute a function in a separate isolate and return the result.
  ///
  /// Note: The function must be a top-level function or a static method,
  /// and it cannot capture non-sendable objects from the surrounding scope.
  Future<T> execute<T>(T Function() computation, {bool allowSyncFallback = false}) async {
    try {
      return await Isolate.run(computation);
    } catch (e) {
      if (!allowSyncFallback) {
        rethrow;
      }
      return computation();
    }
  }
}