added a type to preserve the state of the conversion processes where necessary

internal/utilities/html.go

@@ -14,11 +14,18 @@ const (
 	htmlUnorderedList
 )
 
+type htmlConvertState struct {
+	htmlListType      int
+	orderedListNumber int
+}
+
 func ConvertHTMLToText(text string) string {
 	var builder strings.Builder
 
-	htmlList := htmlNoList
-	orderedListNumber := 1
+	state := htmlConvertState{
+		htmlListType:      htmlNoList,
+		orderedListNumber: 1,
+	}
 
 	token := html.NewTokenizer(strings.NewReader(text))
 
@@ -32,35 +39,33 @@ func ConvertHTMLToText(text string) string {
 			builder.WriteString(text)
 		case html.StartTagToken, html.EndTagToken:
 			tag := token.Token().String()
-			htmlList, orderedListNumber = processTagToken(&builder, tag, htmlList, orderedListNumber)
+			processTagToken(&state, &builder, tag)
 		}
 	}
 }
 
-func processTagToken(writer io.StringWriter, tag string, htmlList, orderedListNumber int) (int, int) {
+func processTagToken(state *htmlConvertState, writer io.StringWriter, tag string) {
 	switch tag {
 	case "<br>", "<p>", "</p>", "</li>":
 		_, _ = writer.WriteString("\n")
 	case "<ul>":
-		htmlList = htmlUnorderedList
+		state.htmlListType = htmlUnorderedList
 		_, _ = writer.WriteString("\n")
 	case "<ol>":
-		htmlList = htmlOrderedList
+		state.htmlListType = htmlOrderedList
 		_, _ = writer.WriteString("\n")
 	case "</ul>":
-		htmlList = htmlNoList
+		state.htmlListType = htmlNoList
 	case "</ol>":
-		htmlList = htmlNoList
-		orderedListNumber = 1
+		state.htmlListType = htmlNoList
+		state.orderedListNumber = 1
 	case "<li>":
-		switch htmlList {
+		switch state.htmlListType {
 		case htmlUnorderedList:
 			_, _ = writer.WriteString("• ")
 		case htmlOrderedList:
-			_, _ = writer.WriteString(strconv.Itoa(orderedListNumber) + ". ")
-			orderedListNumber++
+			_, _ = writer.WriteString(strconv.Itoa(state.orderedListNumber) + ". ")
+			state.orderedListNumber++
 		}
 	}
-
-	return htmlList, orderedListNumber
 }