footer: Add a semi-flexible template system

pkg/httpx/html_minify_off.go

@@ -0,0 +1,27 @@
+//go:build !nominify
+
+package httpx
+
+import "io"
+
+// MinifyHTMLWriter wraps the given io.Writer to minify the given html instead.
+// The writer must be closed explicitly.
+//
+// Specific environments may chose to disable http minification, in which case MinifyHTMLWriter becomes the identity function.
+func MinifyHTMLWriter(dest io.Writer) io.WriteCloser {
+	return noop{Writer: dest}
+}
+
+type noop struct {
+	io.Writer
+}
+
+func (noop) Close() error {
+	return nil
+}
+
+// MinifyHTML minifies the html source.
+// If an error occurs, returns the unmodified source instead.
+func MinifyHTML(source []byte) []byte {
+	return source
+}