Don't emit styles that are missing a class

alecthomas · May 9, 2020 · 809ff9b · 809ff9b
1 parent cc5e532
commit 809ff9b
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/formatters/html/html.go b/formatters/html/html.go
@@ -366,8 +366,12 @@ func (f *Formatter) WriteCSS(w io.Writer, style *chroma.Style) error {
 		if tt == chroma.Background {
 			continue
 		}
+		class := f.class(tt)
+		if class == "" {
+			continue
+		}
 		styles := css[tt]
-		if _, err := fmt.Fprintf(w, "/* %s */ .%schroma .%s { %s }\n", tt, f.prefix, f.class(tt), styles); err != nil {
+		if _, err := fmt.Fprintf(w, "/* %s */ .%schroma .%s { %s }\n", tt, f.prefix, class, styles); err != nil {
 			return err
 		}
 	}