Confine calls to ApplyToJSON.

api/builtins/AnnotationsTransformer.go

@@ -7,7 +7,6 @@ import (
 	"sigs.k8s.io/kustomize/api/filters/annotations"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/types"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -26,10 +25,10 @@ func (p *AnnotationsTransformerPlugin) Config(
 
 func (p *AnnotationsTransformerPlugin) Transform(m resmap.ResMap) error {
 	for _, r := range m.Resources() {
-		err := filtersutil.ApplyToJSON(annotations.Filter{
+		err := r.ApplyFilter(annotations.Filter{
 			Annotations: p.Annotations,
 			FsSlice:     p.FieldSpecs,
-		}, r)
+		})
 		if err != nil {
 			return err
 		}

api/builtins/ImageTagTransformer.go

@@ -11,7 +11,6 @@ import (
 	"sigs.k8s.io/kustomize/api/filters/imagetag"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/types"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -32,17 +31,17 @@ func (p *ImageTagTransformerPlugin) Config(
 func (p *ImageTagTransformerPlugin) Transform(m resmap.ResMap) error {
 	for _, r := range m.Resources() {
 		// traverse all fields at first
-		err := filtersutil.ApplyToJSON(imagetag.LegacyFilter{
+		err := r.ApplyFilter(imagetag.LegacyFilter{
 			ImageTag: p.ImageTag,
-		}, r)
+		})
 		if err != nil {
 			return err
 		}
 		// then use user specified field specs
-		err = filtersutil.ApplyToJSON(imagetag.Filter{
+		err = r.ApplyFilter(imagetag.Filter{
 			ImageTag: p.ImageTag,
 			FsSlice:  p.FieldSpecs,
-		}, r)
+		})
 		if err != nil {
 			return err
 		}

api/builtins/LabelTransformer.go

@@ -7,7 +7,6 @@ import (
 	"sigs.k8s.io/kustomize/api/filters/labels"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/types"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -26,10 +25,10 @@ func (p *LabelTransformerPlugin) Config(
 
 func (p *LabelTransformerPlugin) Transform(m resmap.ResMap) error {
 	for _, r := range m.Resources() {
-		err := filtersutil.ApplyToJSON(labels.Filter{
+		err := r.ApplyFilter(labels.Filter{
 			Labels:  p.Labels,
 			FsSlice: p.FieldSpecs,
-		}, r)
+		})
 		if err != nil {
 			return err
 		}

api/builtins/NamespaceTransformer.go

@@ -9,7 +9,6 @@ import (
 	"sigs.k8s.io/kustomize/api/filters/namespace"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/types"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -35,10 +34,10 @@ func (p *NamespaceTransformerPlugin) Transform(m resmap.ResMap) error {
 			// Don't mutate empty objects?
 			continue
 		}
-		err := filtersutil.ApplyToJSON(namespace.Filter{
+		err := r.ApplyFilter(namespace.Filter{
 			Namespace: p.Namespace,
 			FsSlice:   p.FieldSpecs,
-		}, r)
+		})
 		if err != nil {
 			return err
 		}

api/builtins/PatchJson6902Transformer.go

@@ -12,7 +12,6 @@ import (
 	"sigs.k8s.io/kustomize/api/ifc"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/types"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -79,9 +78,9 @@ func (p *PatchJson6902TransformerPlugin) Transform(m resmap.ResMap) error {
 		return err
 	}
 	for _, res := range resources {
-		err = filtersutil.ApplyToJSON(patchjson6902.Filter{
+		err = res.ApplyFilter(patchjson6902.Filter{
 			Patch: p.JsonOp,
-		}, res)
+		})
 		if err != nil {
 			return err
 		}

api/builtins/PatchTransformer.go

@@ -12,7 +12,6 @@ import (
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/resource"
 	"sigs.k8s.io/kustomize/api/types"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -105,9 +104,9 @@ func (p *PatchTransformerPlugin) transformJson6902(m resmap.ResMap, patch jsonpa
 		return err
 	}
 	for _, res := range resources {
-		err = filtersutil.ApplyToJSON(patchjson6902.Filter{
+		err = res.ApplyFilter(patchjson6902.Filter{
 			Patch: p.Patch,
-		}, res)
+		})
 		if err != nil {
 			return err
 		}

api/builtins/PrefixSuffixTransformer.go

@@ -10,7 +10,6 @@ import (
 	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/types"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -70,11 +69,11 @@ func (p *PrefixSuffixTransformerPlugin) Transform(m resmap.ResMap) error {
 				r.AddNamePrefix(p.Prefix)
 				r.AddNameSuffix(p.Suffix)
 			}
-			err := filtersutil.ApplyToJSON(prefixsuffix.Filter{
+			err := r.ApplyFilter(prefixsuffix.Filter{
 				Prefix:    p.Prefix,
 				Suffix:    p.Suffix,
 				FieldSpec: fs,
-			}, r)
+			})
 			if err != nil {
 				return err
 			}

api/builtins/ReplicaCountTransformer.go

@@ -7,8 +7,6 @@ import (
 	"fmt"
 
 	"sigs.k8s.io/kustomize/api/filters/replicacount"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
-
 	"sigs.k8s.io/kustomize/api/resid"
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/types"
@@ -42,10 +40,10 @@ func (p *ReplicaCountTransformerPlugin) Transform(m resmap.ResMap) error {
 				// There are redundant checks in the filter
 				// that we'll live with until resolution of
 				// https://github.com/kubernetes-sigs/kustomize/issues/2506
-				err := filtersutil.ApplyToJSON(replicacount.Filter{
+				err := r.ApplyFilter(replicacount.Filter{
 					Replica:   p.Replica,
 					FieldSpec: fs,
-				}, r)
+				})
 				if err != nil {
 					return err
 				}

api/builtins/ValueAddTransformer.go

@@ -13,7 +13,6 @@ import (
 	"sigs.k8s.io/kustomize/api/resmap"
 	"sigs.k8s.io/kustomize/api/resource"
 	"sigs.k8s.io/kustomize/api/types"
-	"sigs.k8s.io/kustomize/kyaml/filtersutil"
 	"sigs.k8s.io/yaml"
 )
 
@@ -119,15 +118,15 @@ func (p *ValueAddTransformerPlugin) Transform(m resmap.ResMap) (err error) {
 		// TODO: consider t.NotSelector if implemented
 		for _, res := range resources {
 			if t.FieldPath == types.MetadataNamespacePath {
-				err = filtersutil.ApplyToJSON(namespace.Filter{
+				err = res.ApplyFilter(namespace.Filter{
 					Namespace: p.Value,
-				}, res)
+				})
 			} else {
-				err = filtersutil.ApplyToJSON(valueadd.Filter{
+				err = res.ApplyFilter(valueadd.Filter{
 					Value:            p.Value,
 					FieldPath:        t.FieldPath,
 					FilePathPosition: t.FilePathPosition,
-				}, res)
+				})
 			}
 			if err != nil {
 				return err