module Make () = struct
  type t = Jv.t

  let type' e = Jv.get e "type" |> Jv.to_string

  let target e = Jv.get e "target" |> Brr.Ev.target_of_jv

  let source_target e = Jv.get e "sourceTarget" |> Brr.Ev.target_of_jv

  let propagated_from e = Jv.get e "propagatedFrom"

  let latlng e = Latlng.of_jv_t @@ Jv.get e "latlng"

  let layer_point e = Jv.get e "layerPoint"

  let container_point e = Jv.get e "containerPoint"

  let original_event e = Jv.get e "originalEvent"

  let message e = Jv.get e "message" |> Jv.to_string

  let code e = Jv.get e "code" |> Jv.to_int
end

module Event = Make ()

module Keyboard = Make ()

module Mouse = Make ()

module Error = Make ()