Isolated content of pkg/kustomize

pkg/transformers/nooptransformer.go

@@ -0,0 +1,34 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package transformers
+
+import "k8s.io/kubectl/pkg/kustomize/resource"
+
+// noOpTransformer contains a no-op transformer.
+type noOpTransformer struct{}
+
+var _ Transformer = &noOpTransformer{}
+
+// NewNoOpTransformer constructs a noOpTransformer.
+func NewNoOpTransformer() Transformer {
+	return &noOpTransformer{}
+}
+
+// Transform does nothing.
+func (o *noOpTransformer) Transform(_ resource.ResourceCollection) error {
+	return nil
+}