feat: 'NotNullMaps' to handle generic arguments (#22)

Author: Emyrk

bindings/walk/walk.go

@@ -53,7 +53,7 @@ func Walk(v Visitor, node bindings.Node) {
 		Walk(v, n.Type)
 		Walk(v, n.Initializer)
 	case *bindings.ReferenceType:
-		// noop
+		walkList(v, n.Arguments)
 	case *bindings.LiteralKeyword:
 		// noop
 	case *bindings.LiteralType:

convert_test.go

@@ -106,6 +106,8 @@ func TestGeneration(t *testing.T) {
 				muts := strings.Split(strings.TrimSpace(string(mutsCSV)), ",")
 				for _, m := range muts {
 					switch m {
+					case "NotNullMaps":
+						mutations = append(mutations, config.NotNullMaps)
 					case "EnumAsTypes":
 						mutations = append(mutations, config.EnumAsTypes)
 					case "EnumLists":

testdata/notnullmap/mutations

@@ -0,0 +1 @@
+NotNullMaps

testdata/notnullmap/notnullmap.go

@@ -0,0 +1,10 @@
+package notnullmap
+
+type Foo struct {
+	Bar    map[string]bool
+	Nested GenericFoo[map[string]int]
+}
+
+type GenericFoo[T any] struct {
+	Bar T
+}

testdata/notnullmap/notnullmap.ts

@@ -0,0 +1,12 @@
+// Code generated by 'guts'. DO NOT EDIT.
+
+// From notnullmap/notnullmap.go
+interface Foo {
+    Bar: Record<string, boolean>;
+    Nested: GenericFoo<Record<string, number>>;
+}
+
+// From notnullmap/notnullmap.go
+interface GenericFoo<T extends any> {
+    Bar: T;
+}