From 54d363b012e32c0918b2af05fb7673ff08c7e781 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Sat, 31 Dec 2022 11:42:27 +0100
Subject: [PATCH] ocamlPackages.js_of_ocaml-toplevel: init at 4.1.0

---
 .../development/tools/ocaml/js_of_ocaml/toplevel.nix | 12 ++++++++++++
 pkgs/top-level/ocaml-packages.nix                    |  2 ++
 2 files changed, 14 insertions(+)
 create mode 100644 pkgs/development/tools/ocaml/js_of_ocaml/toplevel.nix

diff --git a/pkgs/development/tools/ocaml/js_of_ocaml/toplevel.nix b/pkgs/development/tools/ocaml/js_of_ocaml/toplevel.nix
new file mode 100644
index 000000000000..d7d1f6fbcfe9
--- /dev/null
+++ b/pkgs/development/tools/ocaml/js_of_ocaml/toplevel.nix
@@ -0,0 +1,12 @@
+{ lib, buildDunePackage, js_of_ocaml-compiler, ppxlib }:
+
+buildDunePackage {
+  duneVersion = "3";
+  pname = "js_of_ocaml-toplevel";
+  inherit (js_of_ocaml-compiler) src version;
+  buildInputs = [ ppxlib ];
+  propagatedBuildInputs = [ js_of_ocaml-compiler ];
+  meta = js_of_ocaml-compiler.meta // {
+    mainProgram = "jsoo_mktop";
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 1865647f90dc..ba285a95a582 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -664,6 +664,8 @@ let
 
     js_of_ocaml-ppx_deriving_json = callPackage ../development/tools/ocaml/js_of_ocaml/ppx_deriving_json.nix { };
 
+    js_of_ocaml-toplevel = callPackage ../development/tools/ocaml/js_of_ocaml/toplevel.nix {};
+
     js_of_ocaml-tyxml = callPackage ../development/tools/ocaml/js_of_ocaml/tyxml.nix {};
 
     jsonm = callPackage ../development/ocaml-modules/jsonm { };