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// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package target
import (
"sigs.k8s.io/kustomize/api/resmap"
)
// multiTransformer contains a list of transformers.
type multiTransformer struct {
transformers []*resmap.TransformerWithProperties
}
var _ resmap.Transformer = &multiTransformer{}
// newMultiTransformer constructs a multiTransformer.
func newMultiTransformer(t []*resmap.TransformerWithProperties) resmap.Transformer {
r := &multiTransformer{
transformers: make([]*resmap.TransformerWithProperties, len(t)),
}
copy(r.transformers, t)
return r
}
// Transform applies the member transformers in order to the resources,
// optionally detecting and erroring on commutation conflict.
func (o *multiTransformer) Transform(m resmap.ResMap) error {
for _, t := range o.transformers {
if err := t.Transform(m); err != nil {
return err
}
if t.Origin != nil {
if err := m.AddTransformerAnnotation(t.Origin); err != nil {
return err
}
}
m.DropEmpties()
}
return nil
}
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