From b526edbec43d4a181a22a64bc34d84b0c71f861b Mon Sep 17 00:00:00 2001
From: Markus Zimmermann <markus.zimmermann@symflower.com>
Date: Sat, 15 Feb 2025 08:17:25 +0100
Subject: [PATCH] Introduce `templateutil.Template` as interface to
 `html/template.Template` and `text/template.Template`

---
 templateutil/file.go      | 2 +-
 templateutil/interface.go | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)
 create mode 100644 templateutil/interface.go

diff --git a/templateutil/file.go b/templateutil/file.go
index c9af39e..b7fb761 100644
--- a/templateutil/file.go
+++ b/templateutil/file.go
@@ -12,7 +12,7 @@ import (
 )
 
 // WriteTemplateToFile executes a template with the given data and saves the result into a file.
-func WriteTemplateToFile(filePath string, tmpl *template.Template, data any) error {
+func WriteTemplateToFile(filePath string, tmpl Template, data any) error {
 	var driver bytes.Buffer
 
 	err := tmpl.Execute(&driver, data)
diff --git a/templateutil/interface.go b/templateutil/interface.go
new file mode 100644
index 0000000..1dc4f12
--- /dev/null
+++ b/templateutil/interface.go
@@ -0,0 +1,8 @@
+package templateutil
+
+import "io"
+
+type Template interface {
+	// Execute applies the template to the specified data object and writes the output to the writer.
+	Execute(wr io.Writer, data any) (err error)
+}