fix: safe to process array type

Author: morlay

go.mod

@@ -17,7 +17,7 @@ require (
 
 require (
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc
-	github.com/go-json-experiment/json v0.0.0-20250625182306-a9cfae7f3654
+	github.com/go-json-experiment/json v0.0.0-20250626171732-1a886bd29d1b
 	github.com/juju/ansiterm v1.0.0
 	github.com/onsi/gomega v1.37.0
 	golang.org/x/net v0.41.0

go.sum

@@ -8,6 +8,8 @@ github.com/go-json-experiment/json v0.0.0-20250517221953-25912455fbc8 h1:o8UqXPI
 github.com/go-json-experiment/json v0.0.0-20250517221953-25912455fbc8/go.mod h1:TiCD2a1pcmjd7YnhGH0f/zKNcCD06B029pHhzV23c2M=
 github.com/go-json-experiment/json v0.0.0-20250625182306-a9cfae7f3654 h1:oSbYHc9OIFoLuGxc6oxRnEmv19baVLVEPfucUdXb/4A=
 github.com/go-json-experiment/json v0.0.0-20250625182306-a9cfae7f3654/go.mod h1:TiCD2a1pcmjd7YnhGH0f/zKNcCD06B029pHhzV23c2M=
+github.com/go-json-experiment/json v0.0.0-20250626171732-1a886bd29d1b h1:ooF9/NzXkXL3OOLRwtPuQT/D7Kx2S5w/Kl1GnMF9h2s=
+github.com/go-json-experiment/json v0.0.0-20250626171732-1a886bd29d1b/go.mod h1:TiCD2a1pcmjd7YnhGH0f/zKNcCD06B029pHhzV23c2M=
 github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
 github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-quicktest/qt v1.101.0 h1:O1K29Txy5P2OK0dGo59b7b0LR6wKfIhttaAhHUyn7eI=

pkg/validator/internal/validator.go

@@ -211,6 +211,7 @@ func (v *validators) defaultRule(t reflect.Type) string {
 			return "@double"
 		case reflect.String:
 			return "@string"
+		default:
 		}
 	}
 

pkg/validator/internal/value.go

@@ -579,6 +579,12 @@ type Array struct {
 	Validator Validator
 }
 
+func (va *Array) SetLen(n int) {
+	if va.Kind() == reflect.Slice {
+		va.Value.SetLen(n)
+	}
+}
+
 func (va *Array) UnmarshalDecode(dec *jsontext.Decoder, options json.Options) error {
 	tok, err := dec.ReadToken()
 	if err != nil {

pkg/validator/validators/slice.go

@@ -111,7 +111,7 @@ func (validator *SliceValidator) String() string {
 
 func (validator *SliceValidator) PostValidate(rv reflect.Value) error {
 	lenOfValue := uint64(0)
-	if !rv.IsNil() {
+	if rv.Kind() == reflect.Array || !rv.IsNil() {
 		lenOfValue = uint64(rv.Len())
 	}