feat(render): experimental package to render arbitrary values to different formats

yaml.go

@@ -0,0 +1,36 @@
+package render
+
+import (
+	"fmt"
+	"io"
+
+	"gopkg.in/yaml.v3"
+)
+
+// YAML is a renderer that marshals the given value to YAML.
+type YAML struct {
+	// Indent controls how many spaces will be used for indenting nested blocks
+	// in the output YAML. When Indent is zero, 2 will be used by default.
+	Indent int
+}
+
+var _ Renderer = (*YAML)(nil)
+
+// Render marshals the given value to YAML.
+func (j *YAML) Render(w io.Writer, v any) error {
+	enc := yaml.NewEncoder(w)
+
+	indent := j.Indent
+	if indent == 0 {
+		indent = 2
+	}
+
+	enc.SetIndent(indent)
+
+	err := enc.Encode(v)
+	if err != nil {
+		return fmt.Errorf("%w: %w", Err, err)
+	}
+
+	return nil
+}