chore: Change NodeError fields to private

internal/visitor/errors.go

@@ -6,16 +6,24 @@ import (
 	"gopkg.in/yaml.v3"
 )
 
+func NewNodeError(err error, name string, node *yaml.Node) NodeError {
+	return NodeError{
+		err:  err,
+		name: name,
+		node: node,
+	}
+}
+
 type NodeError struct {
-	Err  error
-	Name string
-	Node *yaml.Node
+	err  error
+	name string
+	node *yaml.Node
 }
 
 func (e NodeError) Error() string {
-	return fmt.Sprintf("%s:%d:%d: %s", e.Name, e.Node.Line, e.Node.Column, e.Err)
+	return fmt.Sprintf("%s:%d:%d: %s", e.name, e.node.Line, e.node.Column, e.err)
 }
 
 func (e NodeError) Unwrap() error {
-	return e.Err
+	return e.err
 }

internal/visitor/find_args.go

@@ -100,7 +100,7 @@ func (visitor *FindArgs) FindArgs(n *yaml.Node, value string) error {
 			Option("missingkey=zero").
 			Parse(tmplSrc)
 		if err != nil {
-			return NodeError{Err: err, Name: visitor.path, Node: n}
+			return NewNodeError(err, visitor.path, n)
 		}
 
 		for _, field := range listTemplFields(tmpl) {

internal/visitor/template_comments.go

@@ -102,7 +102,7 @@ func (t TemplateComments) Template(name string, n *yaml.Node, tmplSrc string, tm
 		Option("missingkey=error").
 		Parse(tmplSrc)
 	if err != nil {
-		return NodeError{Err: err, Name: name, Node: n}
+		return NewNodeError(err, name, n)
 	}
 
 	if t.conf.Values != nil {
@@ -111,7 +111,7 @@ func (t TemplateComments) Template(name string, n *yaml.Node, tmplSrc string, tm
 
 	var buf bytes.Buffer
 	if err = tmpl.Execute(&buf, t.conf.Values); err != nil {
-		return NodeError{Err: err, Name: name, Node: n}
+		return NewNodeError(err, name, n)
 	}
 
 	if buf.String() != n.Value {
@@ -123,7 +123,7 @@ func (t TemplateComments) Template(name string, n *yaml.Node, tmplSrc string, tm
 			var tmpNode yaml.Node
 
 			if err := yaml.Unmarshal(buf.Bytes(), &tmpNode); err != nil {
-				return NodeError{Err: err, Name: name, Node: n}
+				return NewNodeError(err, name, n)
 			}
 
 			content := tmpNode.Content[0]