1 files changed, 44 insertions, 0 deletions
diff --git a/pkg/templates.go b/pkg/templates.go
new file mode 100644
index 0000000..0b7e11b
--- /dev/null
+++ b/pkg/templates.go
@@ -0,0 +1,44 @@
+package gonf
+
+import (
+	"bytes"
+	"log/slog"
+	"text/template"
+)
+
+// ----- Globals ---------------------------------------------------------------
+var templates *template.Template
+
+// ----- Init ------------------------------------------------------------------
+func init() {
+	templates = template.New("")
+	templates.Option("missingkey=error")
+	templates.Funcs(builtinTemplateFunctions)
+}
+
+// ----- Public ----------------------------------------------------------------
+type TemplateValue struct {
+	contents []byte
+	data     string
+}
+
+func (t *TemplateValue) Bytes() []byte {
+	if t.contents == nil {
+		tpl := templates.New("")
+		if _, err := tpl.Parse(t.data); err != nil {
+			slog.Error("template", "step", "Parse", "data", t.data, "error", err)
+			return nil
+		}
+		var buff bytes.Buffer
+		if err := tpl.Execute(&buff, nil /* no data needed */); err != nil {
+			slog.Error("template", "step", "Execute", "data", t.data, "error", err)
+			return nil
+		}
+		t.contents = buff.Bytes()
+	}
+	return t.contents
+}
+
+func (t TemplateValue) String() string {
+	return string(t.Bytes()[:])
+}