added interface{} test case and fixed

v2/internal/binding/generate.go

@@ -201,6 +201,8 @@ declare global {
 
 func goTypeToJSDocType(input string) string {
 	switch true {
+	case input == "interface{}":
+		return "any"
 	case input == "string":
 		return "string"
 	case input == "error":

v2/internal/binding/generate_test.go

@@ -56,6 +56,11 @@ func Test_goTypeToJSDocType(t *testing.T) {
 			input: "bool",
 			want:  "boolean",
 		},
+		{
+			name:  "interface{}",
+			input: "interface{}",
+			want:  "any",
+		},
 		{
 			name:  "[]byte",
 			input: "[]byte",