Add safe historical configuration explanations

render.go

@@ -3,7 +3,6 @@ package configkit
 import (
 	"errors"
 	"io"
-	"slices"
 	"strings"
 
 	"gitea.maximumdirect.net/eric/ConfigKit/internal/document"
@@ -24,31 +23,8 @@ func (r *Result[T]) WriteEffective(output io.Writer) error {
 }
 
 func redactedDocument(node *document.Node, secret map[string]bool, path Path) *document.Node {
-	if node == nil {
-		return nil
-	}
-	if pathIsSecret(secret, path) {
-		return &document.Node{Kind: document.String, Text: "[REDACTED]"}
-	}
-	result := *node
-	switch node.Kind {
-	case document.Mapping:
-		result.Mapping = make([]document.Entry, len(node.Mapping))
-		copy(result.Mapping, node.Mapping)
-		slices.SortFunc(result.Mapping, func(left, right document.Entry) int {
-			return strings.Compare(left.Key, right.Key)
-		})
-		for index := range result.Mapping {
-			entry := &result.Mapping[index]
-			entry.Value = redactedDocument(entry.Value, secret, path.Key(entry.Key))
-		}
-	case document.Sequence:
-		result.Sequence = make([]*document.Node, len(node.Sequence))
-		for index, child := range node.Sequence {
-			result.Sequence[index] = redactedDocument(child, secret, path.Index(index))
-		}
-	}
-	return &result
+	result, _ := safeSnapshotDocument(node, secret, path)
+	return result
 }
 
 func pathIsSecret(secret map[string]bool, path Path) bool {