How to represent optional fields in spray-json?

Question

I have an optional field on my requests:

case class SearchRequest(url: String, nextAt: Option[Date])

My protocol is:

object Sea         


        

Answer 1

For anyone who is chancing upon this post and wants an update to François Beausoleil's answer for newer versions of Spray (circa 2015+?), JsField is deprecated as a public member of JsValue; you should simply supply a list of tuples instead of JsFields. Their answer is spot-on, though.