mirror of
https://github.com/TheRealOwenRees/pgn_to_tex.git
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owenrees
79155255f6
* copy project root files * import previously created code and rename where needed * fix license and lint * main is now just a JS wrapper * minified main.cjs rather than copying to a newly named file
36 lines
1.0 KiB
OCaml
36 lines
1.0 KiB
OCaml
open Js_of_ocaml
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open Pgn_logic
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open Ast
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let parse_diagram_json json_str =
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let json = Yojson.Basic.from_string json_str in
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let json_list = Yojson.Basic.Util.to_list json in
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List.fold_left
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(fun acc item ->
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let move_int =
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item |> Yojson.Basic.Util.member "ply" |> Yojson.Basic.Util.to_int
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in
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let fen_str =
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item |> Yojson.Basic.Util.member "fen" |> Yojson.Basic.Util.to_string
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in
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Pgn2tex.MoveMap.add move_int fen_str acc)
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Pgn2tex.MoveMap.empty json_list
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let convert_js pgn_js diagram_json_js display_clock =
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let pgn = Js.to_string pgn_js in
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(* convert JS string into OCaml string *)
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let json_str = Js.to_string diagram_json_js in
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let diagram_data =
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if json_str = "" || json_str = "{}" then Pgn2tex.MoveMap.empty
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else parse_diagram_json json_str
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in
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let result = Pgn2tex.to_tex pgn ~diagram_data ~clock:display_clock in
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Js.string result
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(* Exporting the module to the global JavaScript scope *)
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let () = Js.export "to_tex" (Js.wrap_callback convert_js)
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