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Fix: preserve newlines for folded style (>) YAML blocks #114

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Fix: preserve newlines for folded style (>) YAML blocks #114

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20 changes: 20 additions & 0 deletions pkg/yam/formatted/encoder.go
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Original file line number Diff line number Diff line change
Expand Up @@ -254,6 +254,26 @@ func (enc Encoder) marshal(node *yaml.Node, nodePath path.Path) ([]byte, error)
if enc.matchesAnyQuotePath(nodePath) {
node.Style |= yaml.DoubleQuotedStyle
}

// Fix: For FoldedStyle (>) blocks, preserve newlines instead of joining lines
if node.Style == yaml.FoldedStyle {
// Manually encode folded style
var buf bytes.Buffer
buf.WriteString(">\n")
lines := strings.Split(node.Value, "\n")
for i, line := range lines {
if i > 0 {
buf.WriteString("\n")
}
if line != "" {
buf.WriteString(enc.indentString())
}
buf.WriteString(line)
}
buf.WriteString("\n")
return buf.Bytes(), nil
}

return yaml.Marshal(node)

default:
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