aboutsummaryrefslogtreecommitdiff
path: root/editor/actions/export.ml
blob: 3c70bd3ebbcf441f27de4f0856a57669dc5c0e6f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
module Js = Js_of_ocaml.Js
module App = Editor_app

module M = struct
  type t = unit

  let process : t -> State.t -> State.t =
   fun _ state ->
    (* Save this as a json element. The text may contains UTF-16 characters,
       which will raise an error in the btoa function.

       As an easy solution, we convert them into UTF-8 through the native
       OCaml representation of string.
    *)
    let json =
      State.Storage.to_json ()
      |> Jstr.to_string (* Encode into UTF-8 *)
      |> Obj.magic
      (* Then type the element again as a string. *)
    in
    Elements.Transfert.send
      ~mime_type:(Jstr.v "application/json")
      ~filename:(Jstr.v "export.json")
      json;

    (* The function does not actually update the state, and return it
       unchanged *)
    state
end

(** Create a new element *)
let create : unit -> App.event = fun () -> App.dispatch (module M) ()