Added a sample dependency to show commands can use injected services …

…from standard service collection

src/Community.Extensions.Spectre.Cli.Hosting.Sample/Commands/HelloCommand.cs

@@ -48,14 +48,23 @@ public override async Task<int> ExecuteAsync(CommandContext context, Options opt
         return 0;
     }
 
+    /// <summary>
+    /// 
+    /// </summary>
     [Description("Says 'Hello' to you and optionally your dog.")]
     public class Options : CommandSettings
     {
+        /// <summary>
+        /// 
+        /// </summary>
         [Description("Your Name")]
         [CommandArgument(0, "<name>")]
         [Required]
         public string? Name { get; set; }
 
+        /// <summary>
+        /// 
+        /// </summary>
         [Description("Your Dogs Name (Optional)")]
         [CommandArgument(1, "[name]")]
         [CommandOption("-p|--pup")]

src/Community.Extensions.Spectre.Cli.Hosting.Sample/Commands/OtherCommand.cs

@@ -12,32 +12,42 @@ namespace Community.Extensions.Spectre.Cli.Hosting.Sample.Commands;
 /// </summary>
 public class OtherCommand : AsyncCommand<OtherCommand.Options>
 {
+    private readonly SampleService _service;
+
     private readonly IAnsiConsole _console;
 
     /// <summary>
     /// Creates a OtherCommand with access to the console and logging
     /// </summary>
+    /// <param name="service">A sample dependency</param>
     /// <param name="console"></param>
     /// <param name="log"></param>
-    public OtherCommand(IAnsiConsole console, ILogger<HelloCommand> log)
+    public OtherCommand(SampleService service, IAnsiConsole console, ILogger<HelloCommand> log)
     {
+        _service = service;
         _console = console;
     }
 
     /// <summary>Executes the command.</summary>
     /// <param name="context">The command context.</param>
     /// <param name="options">The command options.</param>
     /// <returns>An integer indicating whether or not the command executed successfully.</returns>
-    public override async Task<int> ExecuteAsync(CommandContext context, Options options)
+    public override Task<int> ExecuteAsync(CommandContext context, Options options)
     {
-        _console.MarkupLineInterpolated($"[springgreen2_1] Other {options.Stuff}![/]");
+        _console.MarkupLineInterpolated($"[springgreen2_1] Other {options.Stuff} - {_service.Message}![/]");
 
-        return 0;
+        return Task.FromResult(0);
     }
 
+    /// <summary>
+    /// 
+    /// </summary>
     [Description("OtherOptions")]
     public class Options : CommandSettings
     {
+        /// <summary>
+        /// 
+        /// </summary>
         [Description("Other Stuff")]
         [CommandArgument(0, "<stuff>")]
         public string? Stuff { get; set; }

src/Community.Extensions.Spectre.Cli.Hosting.Sample/Commands/SampleService.cs

@@ -0,0 +1,12 @@
+namespace Community.Extensions.Spectre.Cli.Hosting.Sample.Commands;
+
+/// <summary>
+/// A SampleService to show commands can have dependencies injected
+/// </summary>
+public class SampleService(string message)
+{
+    /// <summary>
+    /// A message
+    /// </summary>
+    public string Message { get; set; } = message; 
+}

src/Community.Extensions.Spectre.Cli.Hosting.Sample/Program.cs

@@ -1,8 +1,8 @@
 using System.Diagnostics;
 using Community.Extensions.Spectre.Cli.Hosting;
 using Community.Extensions.Spectre.Cli.Hosting.Sample.Commands;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
-using Microsoft.Extensions.Logging;
 using Spectre.Console;
 using Spectre.Console.Cli;
 
@@ -14,15 +14,19 @@
     cmd.WithDescription("A command that says hello");
 });
 
-// Add another command
+
+// Add another command and its dependent service
+
 builder.Services.AddCommand<OtherCommand>("other");
+builder.Services.AddScoped(s => new SampleService("Other Service"));
 
 //
 // The standard call save for the commands will be pre-added & configured
 //
 builder.UseSpectreConsole<HelloCommand>(config =>
 {
     // All commands above are passed to config.AddCommand() by this point
+
 #if DEBUG
     config.PropagateExceptions();
     config.ValidateExamples();

src/Community.Extensions.Spectre.Cli.Hosting/SpectreConsoleHostBuilderExtensions.cs

@@ -27,7 +27,7 @@ public static IServiceCollection AddCommand<TCommand>(this IServiceCollection se
         where TCommand : class, ICommand
 
     {
-        services.AddSingleton<TCommand>();
+        services.AddScoped<TCommand>();
         services.RegisterCommand<TCommand>(name, commandConfigurator);
         return services;
     }

src/Directory.Build.props

@@ -1,7 +1,7 @@
 <Project>
   <PropertyGroup Label="Settings">
     <Deterministic>true</Deterministic>
-    <LangVersion>10</LangVersion>
+    <LangVersion>preview</LangVersion>
     <DebugSymbols>true</DebugSymbols>
     <DebugType>embedded</DebugType>
     <MinVerSkip Condition="'$(Configuration)' == 'Debug'">true</MinVerSkip>