private static JsonEncodedText EncodeHelper(ReadOnlySpan <byte> utf8Value, JavaScriptEncoder?encoder)
{
int idx = JsonWriterHelper.NeedsEscaping(utf8Value, encoder);
if (idx != -1)
{
return(new JsonEncodedText(JsonHelpers.EscapeValue(utf8Value, idx, encoder)));
}
else
{
return(new JsonEncodedText(utf8Value.ToArray()));
}
}