Added comma-delimited string attrib type

attribute/generated.go

@@ -8,10 +8,10 @@ import "strings"
 import "strconv"
 
 // Accept sets the content types or file types allowed in a form or file input.
-func Accept(value string) hatmill.Attrib {
+func Accept(value ...string) hatmill.Attrib {
 	return hatmill.Attrib{
 		Key:   "accept",
-		Value: value,
+		Value: strings.Join(value, ","),
 	}
 }
 
@@ -677,10 +677,10 @@ func Srclang(value string) hatmill.Attrib {
 }
 
 // Srcset creates a "srcset" attribute
-func Srcset(value string) hatmill.Attrib {
+func Srcset(value ...string) hatmill.Attrib {
 	return hatmill.Attrib{
 		Key:   "srcset",
-		Value: value,
+		Value: strings.Join(value, ","),
 	}
 }
 

attribute/generated_test.go

@@ -23,6 +23,15 @@ func TestSpaceList(t *testing.T) {
 	})
 }
 
+func TestCommaList(t *testing.T) {
+	t.Run("empty", func(t *testing.T) {
+		testAttribValue(t, attribute.Class(), "")
+	})
+	t.Run("nonempty", func(t *testing.T) {
+		testAttribValue(t, attribute.Accept("alpha", "bravo", "charlie"), "alpha,bravo,charlie")
+	})
+}
+
 func TestString(t *testing.T) {
 	const s = "abcdefg"
 	testAttribValue(t, attribute.Id(s), s)