Nix all the things

default.nix

@@ -0,0 +1,17 @@
+{ cabal, base, deepseq, ghcjsBase, lensFamily, monadsTf
+, stdenv, transformers, void
+}:
+cabal.mkDerivation (self: {
+  pname = "react-haskell";
+  version = "1.3.0.0";
+  src = ./.;
+  buildDepends = [
+    base deepseq ghcjsBase lensFamily monadsTf transformers void
+  ];
+  homepage = "https://github.com/joelburget/react-haskell";
+  description = "Haskell React bindings";
+  meta = {
+    license = stdenv.lib.licenses.mit;
+    platforms = self.ghc.meta.platforms;
+  };
+})

react-haskell.cabal

@@ -34,7 +34,7 @@ author:              Joel Burget
 maintainer:          [email protected]
 category:            Web
 build-type:          Simple
-cabal-version:       >=1.10
+cabal-version:       >=1.20
 
 homepage: https://github.com/joelburget/react-haskell
 bug-reports: https://github.com/joelburget/react-haskell/issues
@@ -80,12 +80,7 @@ library
     monads-tf,
     deepseq,
     lens-family,
-    void == 0.7
-  if flag(haste-inst)
-    build-depends:
-      haste-lib >= 0.4 && <0.6
-  else
-    build-depends:
-      haste-compiler
+    void == 0.7,
+    ghcjs-base
   hs-source-dirs:      src
   default-language:    Haskell2010

shell.nix

@@ -0,0 +1,18 @@
+{ }:
+
+with import <nixpkgs> {};
+let haskellPackages = pkgs.haskellPackages_ghcjs.override {
+      extension = self: super: {
+        oHm = self.callPackage ./. {};
+        mvc = self.callPackage ./mvc.nix {};
+      };
+    };
+
+in pkgs.callPackage ./. {
+     cabal = haskellPackages.cabal.override {
+       extension = self: super: {
+         buildTools = super.buildTools ++ [ haskellPackages.ghc.ghc.parent.cabalInstall ];
+       };
+     };
+     inherit (haskellPackages) base deepseq ghcjsBase lensFamily monadsTf transformers void;
+   }