Add client name option to TypeScript client generator

Author: swedishkid

TypescriptClientGenerator/Generators/TypeScriptGenerator.cs

@@ -7,10 +7,12 @@ namespace TypescriptClientGenerator.Generators;
 public class TypeScriptGenerator
 {
     private readonly OpenApiSpec _spec;
+    private readonly string? _clientName;
 
-    public TypeScriptGenerator(OpenApiSpec spec)
+    public TypeScriptGenerator(OpenApiSpec spec, string? clientName = null)
     {
         _spec = spec;
+        _clientName = clientName;
     }
 
     public string Generate()
@@ -131,6 +133,9 @@ private void GenerateApiMethods(StringBuilder sb)
 
     private string GetClientName()
     {
+        if (!string.IsNullOrEmpty(_clientName))
+            return _clientName;
+
         var title = _spec.Info.Title
             .Replace(" ", "")
             .Replace("|", "")

TypescriptClientGenerator/Program.cs

@@ -1,4 +1,4 @@
-using System.CommandLine;
+using System.CommandLine;
 using System.CommandLine.Invocation;
 using System.Text.Json;
 using TypescriptClientGenerator.Generators;
@@ -16,31 +16,40 @@
     DefaultValueFactory = _ => new FileInfo("generated.ts")
 };
 
+var clientNameOption = new Option<string?>("--client-name", "-c")
+{
+    Description = "The name of the generated client class (default: derived from OpenAPI title)"
+};
+
 var rootCommand = new RootCommand("Generates a TypeScript client from an OpenAPI specification")
 {
     inputOption,
-    outputOption
+    outputOption,
+    clientNameOption
 };
 
-rootCommand.Action = new GenerateAction(inputOption, outputOption);
+rootCommand.Action = new GenerateAction(inputOption, outputOption, clientNameOption);
 
 return await rootCommand.Parse(args).InvokeAsync();
 
 class GenerateAction : AsynchronousCommandLineAction
 {
     private readonly Option<FileInfo> _inputOption;
     private readonly Option<FileInfo> _outputOption;
+    private readonly Option<string?> _clientNameOption;
 
-    public GenerateAction(Option<FileInfo> inputOption, Option<FileInfo> outputOption)
+    public GenerateAction(Option<FileInfo> inputOption, Option<FileInfo> outputOption, Option<string?> clientNameOption)
     {
         _inputOption = inputOption;
         _outputOption = outputOption;
+        _clientNameOption = clientNameOption;
     }
 
     public override async Task<int> InvokeAsync(ParseResult parseResult, CancellationToken cancellationToken = default)
     {
         var inputFile = parseResult.GetValue(_inputOption)!;
         var outputFile = parseResult.GetValue(_outputOption)!;
+        var clientName = parseResult.GetValue(_clientNameOption);
 
         if (!inputFile.Exists)
         {
@@ -66,7 +75,7 @@ public override async Task<int> InvokeAsync(ParseResult parseResult, Cancellatio
             return 1;
         }
 
-        var generator = new TypeScriptGenerator(openApi);
+        var generator = new TypeScriptGenerator(openApi, clientName);
         var generatedCode = generator.Generate();
 
         await File.WriteAllTextAsync(outputFile.FullName, generatedCode, cancellationToken);