cosmetic fix for typescript gen

Author: neuecc

src/MemoryPack.Generator/MemoryPackGenerator.Parser.cs

@@ -605,7 +605,7 @@ partial class MemberMeta
     public bool IsSettable { get; }
     public bool IsAssignable { get; }
     public bool IsConstructorParameter { get; }
-    public string ConstructorParameterName { get; }
+    public string? ConstructorParameterName { get; }
     public int Order { get; }
     public bool HasExplicitOrder { get; }
     public MemberKind Kind { get; }

src/MemoryPack.Generator/MemoryPackGenerator.TypeScript.cs

@@ -77,11 +77,11 @@ partial class MemoryPackGenerator
         // add import(enum, union, memorypackable)
         foreach (var item in collector.GetEnums())
         {
-            sb.AppendLine($"import {{ {item.Name} }} from \"./{item.Name}{typeScriptGenerateOptions.ImportExtension}\"; ");
+            sb.AppendLine($"import {{ {item.Name} }} from \"./{item.Name}{typeScriptGenerateOptions.ImportExtension}\";");
         }
         foreach (var item in collector.GetMemoryPackableTypes(reference).Where(x => !SymbolEqualityComparer.Default.Equals(x, typeSymbol)))
         {
-            sb.AppendLine($"import {{ {item.Name} }} from \"./{item.Name}{typeScriptGenerateOptions.ImportExtension}\"; ");
+            sb.AppendLine($"import {{ {item.Name} }} from \"./{item.Name}{typeScriptGenerateOptions.ImportExtension}\";");
         }
         sb.AppendLine();
 

src/MemoryPack.Generator/TypeScriptRuntime.cs

@@ -446,6 +446,7 @@ public toArray(): Uint8Array {
         return this.buffer.slice(0, this.offset);
     }
 }
+
 """;
 
     public static readonly string MemoryPackReader = """
@@ -838,5 +839,6 @@ public readUint8Array(): Uint8Array | null {
         return new Uint8Array(span);
     }
 }
+
 """;
 }