feature: added alernative ExceptionEventHandler registration via `ser…

…vices.AddTransient<ExceptionEventHandler>()`
deniszykov · Sep 17, 2023 · 6276367 · 6276367
1 parent 7e32a5e
commit 6276367
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/deniszykov.CommandLine/Builders/CommandLineBuilder.cs b/src/deniszykov.CommandLine/Builders/CommandLineBuilder.cs
@@ -94,12 +94,18 @@ public CommandLine Build()
 			var typeConversionProvider = (ITypeConversionProvider?)serviceProvider.GetService(typeof(ITypeConversionProvider)) ?? new TypeConversionProvider();
 			var console = (IConsole?)serviceProvider.GetService(typeof(IConsole)) ?? new DefaultConsole(this.configuration.HookConsoleCancelKeyPress);
 			var helpTextProvider = (IHelpTextProvider?)serviceProvider.GetService(typeof(IHelpTextProvider)) ?? new DefaultHelpTextProvider();
+			var errorHandlers = (IEnumerable<ExceptionEventHandler>?)serviceProvider.GetService(typeof(IEnumerable<ExceptionEventHandler>)) ?? Array.Empty<ExceptionEventHandler>();
 
 			var scopedServiceProvider = new ServiceProvider(serviceProvider);
 			scopedServiceProvider.RegisterInstance(typeof(ITypeConversionProvider), typeConversionProvider);
 			scopedServiceProvider.RegisterInstance(typeof(IConsole), console);
 			scopedServiceProvider.RegisterInstance(typeof(IHelpTextProvider), helpTextProvider);
 
+			foreach (var errorHandler in errorHandlers)
+			{
+				this.configuration.UnhandledExceptionHandler += errorHandler;
+			}
+
 			var commandLine = new CommandLine(
 				CombinedVerbsBuilder.Create(this.verbSetBuilders),
 				this.arguments,