fix: don't wrap type inside of a ResizeArray if the argument is spreaded

[converter]

Fix #74

src/Glutinum.Converter/Transform.fs

@@ -453,6 +453,20 @@ let private transformParameter
     =
     let context = context.PushScope(parameter.Name)
 
+    let typ =
+        let computedType = transformType context parameter.Type
+
+        // In TypeScript, if an argument is marked as spread, users is forced to
+        // use an array. We want to remove the default transformation for that
+        // array and use the underlying type instead
+        // By default, an array is transformed to ResizeArray in F#
+        if parameter.IsSpread then
+            match computedType with
+            | FSharpType.ResizeArray underlyingType -> underlyingType
+            | _ -> computedType
+        else
+            computedType
+
     {
         Attributes =
             [
@@ -461,7 +475,7 @@ let private transformParameter
             ]
         Name = Naming.sanitizeName parameter.Name
         IsOptional = parameter.IsOptional
-        Type = transformType context parameter.Type
+        Type = typ
     }
 
 let private transformAccessor (accessor: GlueAccessor) : FSharpAccessor =

tests/specs/references/class/constructorsWithSpread.fsx

@@ -9,7 +9,7 @@ type Exports =
     [<Import("Logger", "module"); EmitConstructor>]
     static member Logger () : Logger = nativeOnly
     [<Import("Logger", "module"); EmitConstructor>]
-    static member Logger ([<ParamArray>] args: ResizeArray<string> []) : Logger = nativeOnly
+    static member Logger ([<ParamArray>] args: string []) : Logger = nativeOnly
 
 [<AllowNullLiteral>]
 [<Interface>]

tests/specs/references/class/staticMemberWithReturnLiteralTypeIntersectionAndMultipleProperties.fsx

@@ -27,7 +27,7 @@ Class.mergeOptions($0)"""
         emitJsExpr (initHookFn) $$"""
 import { Class } from "module";
 Class.addInitHook($0)"""
-    static member inline addInitHook (methodName: string, [<ParamArray>] args: ResizeArray<obj> []): obj =
+    static member inline addInitHook (methodName: string, [<ParamArray>] args: obj []): obj =
         emitJsExpr (methodName, args) $$"""
 import { Class } from "module";
 Class.addInitHook($0, $1)"""

tests/specs/references/functionType/spreadArgument.fsx

@@ -8,7 +8,7 @@ open System
 [<Interface>]
 type Log =
     [<Emit("$0($1...)")>]
-    abstract member Invoke: prefix: string * [<ParamArray>] args: ResizeArray<obj> [] -> obj
+    abstract member Invoke: prefix: string * [<ParamArray>] args: obj [] -> obj
 
 (***)
 #r "nuget: Fable.Core"

tests/specs/references/typeLiteral/constructSignature.fsx

@@ -8,7 +8,7 @@ open System
 [<Interface>]
 type Test =
     [<EmitConstructor>]
-    abstract member Create: [<ParamArray>] args: ResizeArray<obj> [] -> obj
+    abstract member Create: [<ParamArray>] args: obj [] -> obj
 
 (***)
 #r "nuget: Fable.Core"