fix(generator): clean up parameter record

src/awesomewm.d.tl/generator/snippets.tl

@@ -15,6 +15,7 @@ local record Module
    render_enum: function(name: string, values: List<string>): string
    render_record_properties: function(items: List<Variable_Info.Variable_Info>): string
    render_record: function(name: string, items: List<Variable_Info.Variable_Info>): string
+   render_records_from_Parameters: function(items: List<Function_Info.Parameter>): string
 end
 
 
@@ -52,27 +53,31 @@ function snippets.render_anonymous_function_signature(item: Function_Info.Functi
    return utils.do_or_fail(template.substitute, tmpl, tmpl_args)
 end
 
+function snippets.render_records_from_Parameters(items: List<Function_Info.Parameter>): string
+   return items:map(function(param: Function_Info.Parameter): string
+      if #param.types == 0 then
+         return ""
+      end
+
+      return param.types:map(function(t: Type_Info.Type_Info): string
+         if t.record_entries and (t.record_entries as Map<string, List<Type_Info.Type_Info>>):len() > 0 then
+            local properties: List<Variable_Info.Variable_Info> = List()
+            for name, types in (t.record_entries as Map<string, List<Type_Info.Type_Info>>):iter() do
+               properties:append(Variable_Info(name, types))
+            end
+
+            return snippets.render_record(t.name, properties)
+         end
+         return ""
+      end):filter(function(p: string): boolean return #p > 0 end):concat("\n")
+   end):filter(function(p: string): boolean return #p > 0 end):concat("\n")
+end
+
 function snippets.render_record_functions(items: List<Function_Info.Function_Info>): string
    return items:map(function(item: Function_Info.Function_Info): string
       return string.format(
          "%s%s",
-         item.parameters:map(function(param: Function_Info.Parameter): string
+         snippets.render_records_from_Parameters(item.parameters),
-            if #param.types == 0 then
-               return ""
-            end
-
-            return param.types:map(function(t: Type_Info.Type_Info): string
-               if t.record_entries and (t.record_entries as Map<string, List<Type_Info.Type_Info>>):len() > 0 then
-                  local properties: List<Variable_Info.Variable_Info> = List()
-                  for name, types in (t.record_entries as Map<string, List<Type_Info.Type_Info>>):iter() do
-                     properties:append(Variable_Info(name, types))
-                  end
-
-                  return snippets.render_record(t.name, properties)
-               end
-               return ""
-            end):concat("\n")
-         end):concat("\n"),
          snippets.render_anonymous_function_signature(item))
    end):concat("\n")
 end