diff --git a/.gitignore b/.gitignore
index 1fcb4f6..da04f9e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,12 +1,7 @@
-/bower_components/
-/node_modules/
-/.pulp-cache/
-/output/
-/.psci*
-/src/.webpack.js
-/setupPath.sh
-/.idea
-/.spago
+output/
+.psci*
+.spago
+.spago2nix
 .psa-stash
 .psc-ide-port
 .direnv
diff --git a/flake.nix b/flake.nix
index 0c7be7e..d754d09 100644
--- a/flake.nix
+++ b/flake.nix
@@ -135,7 +135,7 @@
               nativeBuildInputs = [ psa purs nodejs ];
               inherit src;
               unpackPhase = ''
-                cp $src .
+                cp -r $src .
                 install-spago-style
               '';
               buildPhase = ''
@@ -151,7 +151,7 @@
               doCheck = true;
               checkPhase = ''
                 psa compile ${psa-args} ${spagoSources} "./src/**/*.purs" "./test/**/*.purs"
-                node ./test.js
+                node $src/test.js
               '';
             };
 
diff --git a/spago-packages.nix b/spago-packages.nix
new file mode 100644
index 0000000..e4d251f
--- /dev/null
+++ b/spago-packages.nix
@@ -0,0 +1,574 @@
+# This file was generated by Spago2Nix
+
+{ pkgs ? import <nixpkgs> {} }:
+
+let
+  inputs = {
+
+    "aff" = pkgs.stdenv.mkDerivation {
+        name = "aff";
+        version = "v6.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript-contrib/purescript-aff.git";
+          rev = "d0eb009f2f47cb1f5ba1d8592d90c95e8e7ff75d";
+          sha256 = "1780sgqyvbdgh8ynxmxn5d44vvhaz7kn9sv3l44c2s9q8xfjkfgm";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "arrays" = pkgs.stdenv.mkDerivation {
+        name = "arrays";
+        version = "v6.0.1";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-arrays.git";
+          rev = "c0aa3176b077ad7a46b11ef34487485c28142e53";
+          sha256 = "0lm0m5hapimchzgfywr648pkw1hpggr6qibh8d19p2impbnc94c0";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "bifunctors" = pkgs.stdenv.mkDerivation {
+        name = "bifunctors";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-bifunctors.git";
+          rev = "a31d0fc4bbebf19d5e9b21b65493c28b8d3fba62";
+          sha256 = "0xc2hf8ccdgqw3m9qcmr38kmzv05fsxvakd07wyrqshvkzg3xn0d";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "const" = pkgs.stdenv.mkDerivation {
+        name = "const";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-const.git";
+          rev = "3a3a4bdc44f71311cf27de9bd22039b110277540";
+          sha256 = "0aq9qjbrvf8mf8hmas6imv4mg6n3zi13hkf449ns1hn12lw8qv4g";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "contravariant" = pkgs.stdenv.mkDerivation {
+        name = "contravariant";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-contravariant.git";
+          rev = "ae1a765f7ddbfd96ae1f12e399e46d554d8e3b38";
+          sha256 = "029hb8i3n4759x4gc06wkfgr7wim5x1w5jy2bsiy42n0g731h5qc";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "control" = pkgs.stdenv.mkDerivation {
+        name = "control";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-control.git";
+          rev = "18d582e311f1f8523f9eb55fb93c91bd21e22837";
+          sha256 = "06dc06yli4g5yr8fb9sdpqbhiaff37g977qcsbds9q2mlhnjgfx9";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "datetime" = pkgs.stdenv.mkDerivation {
+        name = "datetime";
+        version = "v5.0.2";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-datetime.git";
+          rev = "e110462829ea656d2bc0924266d4edff222108d4";
+          sha256 = "1mhzn2ymdkzki7wjlr9xrdbngm0886wmfbh2c46flnf9lmfyw54y";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "distributive" = pkgs.stdenv.mkDerivation {
+        name = "distributive";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-distributive.git";
+          rev = "11f3f87ca5720899e1739cedb58dd6227cae6ad5";
+          sha256 = "0788znmdyh6b1c9pln624ah397l88xmd3fxlxiy3z1qy8bzr4r54";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "effect" = pkgs.stdenv.mkDerivation {
+        name = "effect";
+        version = "v3.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-effect.git";
+          rev = "985d97bd5721ddcc41304c55a7ca2bb0c0bfdc2a";
+          sha256 = "1n9qr85knvpm4i0qhm8xbgfk46v9y843p76j278phfs9l6aywzsn";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "either" = pkgs.stdenv.mkDerivation {
+        name = "either";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-either.git";
+          rev = "c1a1af35684f10eecaf6ac7d38dbf6bd48af2ced";
+          sha256 = "18dk159yyv7vs0xsnh9m5fajd7zy6zw5b2mpyd6nqdh3c6bb9wh6";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "enums" = pkgs.stdenv.mkDerivation {
+        name = "enums";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-enums.git";
+          rev = "170d959644eb99e0025f4ab2e38f5f132fd85fa4";
+          sha256 = "1lci5iy6s6cmh93bpkfcmp0j4n5dnij7dswb0075bk0kzd9xp7rs";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "exceptions" = pkgs.stdenv.mkDerivation {
+        name = "exceptions";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-exceptions.git";
+          rev = "410d0b8813592bda3c25028540eeb2cda312ddc9";
+          sha256 = "1yjbrx34a0rnxgpvywb63n9jzhkdgb2q2acyzbwh290mrrggc95x";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "exists" = pkgs.stdenv.mkDerivation {
+        name = "exists";
+        version = "v5.1.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-exists.git";
+          rev = "c34820f8b2d15be29abdd5097c3d636f5df8f28c";
+          sha256 = "15qp52cpp2yvxihkzfmn6gabyvx5s6iz5lafvqhyfgp4wfnz0bds";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "foldable-traversable" = pkgs.stdenv.mkDerivation {
+        name = "foldable-traversable";
+        version = "v5.0.1";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-foldable-traversable.git";
+          rev = "d581caf260772b1b446c11ac3c8be807b290b220";
+          sha256 = "182na4np7hk2dqyxywy4jij2csrzx4bz02m6bq8yx1j27hlgjvsd";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "functions" = pkgs.stdenv.mkDerivation {
+        name = "functions";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-functions.git";
+          rev = "691b3345bc2feaf914e5299796c606b6a6bf9ca9";
+          sha256 = "1gnk6xh5x04zcahn82gwp49qpglxd5jkfqn0i58m27jfihvblaxd";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "functors" = pkgs.stdenv.mkDerivation {
+        name = "functors";
+        version = "v4.1.1";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-functors.git";
+          rev = "e936f7a8d2ec53a344c478ccada5add93273848c";
+          sha256 = "0i1x14r54758s5jx5d7zy4l07mg6gabljadgybldnbpmdqk6b966";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "gen" = pkgs.stdenv.mkDerivation {
+        name = "gen";
+        version = "v3.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-gen.git";
+          rev = "85c369f56545a3de834b7e7475a56bc9193bb4b4";
+          sha256 = "1h396rqn1fc2c155i58vnaksqjrpajly128ah6wq1w426vwr1vrf";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "identity" = pkgs.stdenv.mkDerivation {
+        name = "identity";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-identity.git";
+          rev = "5c150ac5ee4fa6f145932f6322a1020463dae8e9";
+          sha256 = "0a58y71ihvb5b7plnn2sxsbphqzd9nzfafak4d5a576agn76q0ql";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "integers" = pkgs.stdenv.mkDerivation {
+        name = "integers";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-integers.git";
+          rev = "8a783f2d92596c43afca53066ac18eb389d15981";
+          sha256 = "1rrygw0ai61brnvgap7dfhdzacyhg5439pz6yrmmyg32cvf0znhv";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "invariant" = pkgs.stdenv.mkDerivation {
+        name = "invariant";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-invariant.git";
+          rev = "c421b49dec7a1511073bb408a08bdd8c9d17d7b1";
+          sha256 = "0vwkbh7kv00g50xjgvxc0mv5b99mrj6q0sxznxwk32hb9hkbhy5l";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "lazy" = pkgs.stdenv.mkDerivation {
+        name = "lazy";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-lazy.git";
+          rev = "2f73f61e7ac1ae1cfe05564112e3313530e673ff";
+          sha256 = "1wxfx019911gbkifq266hgn67zwm89pxhi83bai77mva5n9j3f6l";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "lists" = pkgs.stdenv.mkDerivation {
+        name = "lists";
+        version = "v6.0.1";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-lists.git";
+          rev = "6383c4f202b3f69474f9f7da182c2d42fcc3111c";
+          sha256 = "0xmg918s3mqvfvwgjfqcs1yvcz6hy2n7h3ygqz2iyvk868gz25qs";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "math" = pkgs.stdenv.mkDerivation {
+        name = "math";
+        version = "v3.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-math.git";
+          rev = "59746cc74e23fb1f04e09342884c5d1e3943a04f";
+          sha256 = "0hkf0vyiga21992d9vbvdbnzdkvgljmsi497jjas1rk3vhblx8sq";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "maybe" = pkgs.stdenv.mkDerivation {
+        name = "maybe";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-maybe.git";
+          rev = "8e96ca0187208e78e8df6a464c281850e5c9400c";
+          sha256 = "0vyk3r9gklvv7awzpph7ra53zxxbin1ngmqflb5vvr2365v5xyqy";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "newtype" = pkgs.stdenv.mkDerivation {
+        name = "newtype";
+        version = "v4.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-newtype.git";
+          rev = "7b292fcd2ac7c4a25d7a7a8d3387d0ee7de89b13";
+          sha256 = "1fgzbxslckva2psn0sia30hfakx8xchz3wx2kkh3w8rr4nn2py8v";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "nonempty" = pkgs.stdenv.mkDerivation {
+        name = "nonempty";
+        version = "v6.1.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-nonempty.git";
+          rev = "7696eaf915da5333173bca7d779a51f91a525b83";
+          sha256 = "0hhhw5x5xvs2bd9373gklja1545glnzi1xc2sj16kkznnayrmvsn";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "numbers" = pkgs.stdenv.mkDerivation {
+        name = "numbers";
+        version = "v8.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-numbers.git";
+          rev = "f5bbd96cbed58403c4445bd4c73df50fc8d86f46";
+          sha256 = "00pm2x4kh4fm91r7nmik1v5jclkgh7gpxz13ambyqxbxbiqjq0vg";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "ordered-collections" = pkgs.stdenv.mkDerivation {
+        name = "ordered-collections";
+        version = "v2.0.2";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-ordered-collections.git";
+          rev = "1929b706b07e251995b6be51baa7995c61eb4d83";
+          sha256 = "0g57043ylj3kldkm5vn233yd6hiamryhdfh72cxx9h3mn0ra8ghd";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "orders" = pkgs.stdenv.mkDerivation {
+        name = "orders";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-orders.git";
+          rev = "c25b7075426cf82bcb960495f28d2541c9a75510";
+          sha256 = "0wwy3ycjll0s590ra35zf5gjvs86w97rln09bj428axhg7cvfl0a";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "parallel" = pkgs.stdenv.mkDerivation {
+        name = "parallel";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-parallel.git";
+          rev = "16b38a2e148639b04ae67e0ce63cc220da8857f7";
+          sha256 = "0x8mvhgs8ygqj34xgyhk6gixqm32p2ymm00zg0zdw13g3lil9p4x";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "partial" = pkgs.stdenv.mkDerivation {
+        name = "partial";
+        version = "v3.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-partial.git";
+          rev = "2f0a5239efab68179a684603263bcec8f1489b08";
+          sha256 = "0acxf686hvaj793hyb7kfn9lf96kv3nk0lls2p9j095ylp55sldb";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "prelude" = pkgs.stdenv.mkDerivation {
+        name = "prelude";
+        version = "v5.0.1";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-prelude.git";
+          rev = "68f8012bc2309d9bf5832cdf7316ad052d586905";
+          sha256 = "1x0cacvv9mmw80vy6f40y0p959q1dz28fwjswhyd7ws6npbklcy0";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "profunctor" = pkgs.stdenv.mkDerivation {
+        name = "profunctor";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-profunctor.git";
+          rev = "4551b8e437a00268cc9b687cbe691d75e812e82b";
+          sha256 = "0fvd2xiv77sp4jd4spgdp4i9812p6pdzzbg4pa96mbr0h19jf39c";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "refs" = pkgs.stdenv.mkDerivation {
+        name = "refs";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-refs.git";
+          rev = "f66d3cdf6a6bf4510e5181b3fac215054d8f1e2e";
+          sha256 = "1jhc2v784jy8bvkqy4zsh2z7pnqrhwa8n5kx98xhxx73n1bf38sg";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "safe-coerce" = pkgs.stdenv.mkDerivation {
+        name = "safe-coerce";
+        version = "v1.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-safe-coerce.git";
+          rev = "e719defd227d932da067a1f0d62a60b3d3ff3637";
+          sha256 = "0m942lc23317izspz1sxw957mwl9yb9bgk8dh23f7b3a8w9hh8ff";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "st" = pkgs.stdenv.mkDerivation {
+        name = "st";
+        version = "v5.0.1";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-st.git";
+          rev = "994eb5e650f3caedac385dcc61694f691df57983";
+          sha256 = "14hz254f1y0k3v83z719np0ddrgbca0hdsd9dvv244i07vlvm2zj";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "tailrec" = pkgs.stdenv.mkDerivation {
+        name = "tailrec";
+        version = "v5.0.1";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-tailrec.git";
+          rev = "5fbf0ac05dc6ab1a228b2897630195eb7483b962";
+          sha256 = "1jjl2q2hyhjcdxpamzr1cdlxhmq2bl170x5p3jajb9zgwkqx0x22";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "transformers" = pkgs.stdenv.mkDerivation {
+        name = "transformers";
+        version = "v5.2.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-transformers.git";
+          rev = "1e5d4193b38c613c97ea1ebdb721c6b94cd8c50a";
+          sha256 = "0lggimnq016v98ib6h68gnciraambxrfqm2s033wm34srcy8xs06";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "tuples" = pkgs.stdenv.mkDerivation {
+        name = "tuples";
+        version = "v6.0.1";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-tuples.git";
+          rev = "d4fe8ffe9e8c512111ee0bc18a6ba0fd056a6773";
+          sha256 = "0s2ar2gih4r34km8r8dqngh21s8899yb93mb7mips08ndy3ajq3a";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "type-equality" = pkgs.stdenv.mkDerivation {
+        name = "type-equality";
+        version = "v4.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-type-equality.git";
+          rev = "f7644468f22ed267a15d398173d234fa6f45e2e0";
+          sha256 = "126pg4zg3bsrn8dzvv75xp586nznxyswzgjlr7cag3ij3j1z0kl0";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "unfoldable" = pkgs.stdenv.mkDerivation {
+        name = "unfoldable";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-unfoldable.git";
+          rev = "bbcc2b062b9b7d3d61f123cfb32cc8c7fb811aa6";
+          sha256 = "1v3bz04wj6hj7s6mcf49hajylg6w58n78q54sqi2ra2zq8h99kpw";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+    "unsafe-coerce" = pkgs.stdenv.mkDerivation {
+        name = "unsafe-coerce";
+        version = "v5.0.0";
+        src = pkgs.fetchgit {
+          url = "https://github.com/purescript/purescript-unsafe-coerce.git";
+          rev = "ee24f0d3b94bf925d9c50fcc2b449579580178c0";
+          sha256 = "0l2agnm1k910v4yp1hz19wrsrywsr5scb397762y7pigm3frzs8r";
+        };
+        phases = "installPhase";
+        installPhase = "ln -s $src $out";
+      };
+
+  };
+
+  cpPackage = pkg:
+    let
+      target = ".spago/${pkg.name}/${pkg.version}";
+    in ''
+      if [ ! -e ${target} ]; then
+        echo "Installing ${target}."
+        mkdir -p ${target}
+        cp --no-preserve=mode,ownership,timestamp -r ${toString pkg.outPath}/* ${target}
+      else
+        echo "${target} already exists. Skipping."
+      fi
+    '';
+
+  getGlob = pkg: ''".spago/${pkg.name}/${pkg.version}/src/**/*.purs"'';
+
+  getStoreGlob = pkg: ''"${pkg.outPath}/src/**/*.purs"'';
+
+in {
+  inherit inputs;
+
+  installSpagoStyle = pkgs.writeShellScriptBin "install-spago-style" ''
+      set -e
+      echo installing dependencies...
+      ${builtins.toString (builtins.map cpPackage (builtins.attrValues inputs))}
+      echo "echo done."
+  '';
+
+  buildSpagoStyle = pkgs.writeShellScriptBin "build-spago-style" ''
+      set -e
+      echo building project...
+      purs compile ${builtins.toString (builtins.map getGlob (builtins.attrValues inputs))} "$@"
+      echo done.
+  '';
+
+  buildFromNixStore = pkgs.writeShellScriptBin "build-from-store" ''
+      set -e
+      echo building project using sources from nix store...
+      purs compile ${builtins.toString (
+        builtins.map getStoreGlob (builtins.attrValues inputs))} "$@"
+      echo done.
+  '';
+
+  mkBuildProjectOutput =
+    { src, purs }:
+
+    pkgs.stdenv.mkDerivation {
+      name = "build-project-output";
+      src = src;
+
+      buildInputs = [ purs ];
+
+      installPhase = ''
+        mkdir -p $out
+        purs compile "$src/**/*.purs" ${builtins.toString
+          (builtins.map
+            (x: ''"${x.outPath}/src/**/*.purs"'')
+            (builtins.attrValues inputs))}
+        mv output $out
+      '';
+    };
+}
diff --git a/spago.dhall b/spago.dhall
index 77934db..f9730a0 100644
--- a/spago.dhall
+++ b/spago.dhall
@@ -1,5 +1,15 @@
 { name = "unlift"
-, dependencies = []
+, dependencies =
+  [ "aff"
+  , "effect"
+  , "either"
+  , "identity"
+  , "lists"
+  , "maybe"
+  , "prelude"
+  , "st"
+  , "transformers"
+  ]
 , packages = ./packages.dhall
 , sources = [ "src/**/*.purs" ]
 }
diff --git a/src/Control/Monad/Base.purs b/src/Control/Monad/Base.purs
new file mode 100644
index 0000000..fcf60d1
--- /dev/null
+++ b/src/Control/Monad/Base.purs
@@ -0,0 +1,100 @@
+module Control.Monad.Base where
+
+import Prelude
+
+import Control.Monad.Cont (ContT)
+import Control.Monad.Except (ExceptT)
+import Control.Monad.Identity.Trans (IdentityT)
+import Control.Monad.List.Trans (ListT)
+import Control.Monad.Maybe.Trans (MaybeT)
+import Control.Monad.RWS (RWST)
+import Control.Monad.Reader (ReaderT)
+import Control.Monad.ST (ST)
+import Control.Monad.State (StateT)
+import Control.Monad.Trans.Class (class MonadTrans, lift)
+import Control.Monad.Writer (WriterT)
+import Data.Either (Either)
+import Data.Identity (Identity)
+import Data.List (List)
+import Data.List.Lazy as LL
+import Data.Maybe (Maybe)
+import Effect (Effect)
+import Effect.Aff (Aff)
+
+-- | A class for lifting computations in a monad at the bottom of a transformer
+-- | stack.
+-- |
+-- | `MonadBase` is a generalization of the concept represented by classes like
+-- | `MonadEffect` and `MonadAff`.
+-- |
+-- | Instances should satisfy the following laws, which state that `liftBase`
+-- | is a transformer of monads:
+-- |
+-- | ```purescript
+-- | liftBase <<< pure = pure
+-- | liftBase (f =<< m) = liftBase <<< f =<< liftBase m
+-- | ```
+class (Monad b, Monad m) <= MonadBase b m | m -> b where
+  -- | Lift a computation from the base monad.
+  liftBase :: b ~> m
+
+instance MonadBase Array Array where
+  liftBase = identity
+
+instance MonadBase List List where
+  liftBase = identity
+
+instance MonadBase LL.List LL.List where
+  liftBase = identity
+
+instance MonadBase Maybe Maybe where
+  liftBase = identity
+
+instance MonadBase Effect Effect where
+  liftBase = identity
+
+instance MonadBase Aff Aff where
+  liftBase = identity
+
+instance MonadBase Identity Identity where
+  liftBase = identity
+
+instance MonadBase (Either e) (Either e) where
+  liftBase = identity
+
+instance MonadBase (ST s) (ST s) where
+  liftBase = identity
+
+instance MonadBase (Function r) (Function r) where
+  liftBase = identity
+
+instance MonadBase b m => MonadBase b (ListT m) where
+  liftBase = liftBaseDefault
+
+instance MonadBase b m => MonadBase b (MaybeT m) where
+  liftBase = liftBaseDefault
+
+instance (Monoid w, MonadBase b m) => MonadBase b (WriterT w m) where
+  liftBase = liftBaseDefault
+
+instance MonadBase b m => MonadBase b (ExceptT e m) where
+  liftBase = liftBaseDefault
+
+instance MonadBase b m => MonadBase b (StateT s m) where
+  liftBase = liftBaseDefault
+
+instance MonadBase b m => MonadBase b (ReaderT r m) where
+  liftBase = liftBaseDefault
+
+instance MonadBase b m => MonadBase b (IdentityT m) where
+  liftBase = liftBaseDefault
+
+instance MonadBase b m => MonadBase b (ContT r m) where
+  liftBase = liftBaseDefault
+
+instance (Monoid w, MonadBase b m) => MonadBase b (RWST r w s m) where
+  liftBase = liftBaseDefault
+
+liftBaseDefault
+  :: forall t m b. MonadTrans t => Monad m => MonadBase b m => b ~> t m
+liftBaseDefault = lift <<< liftBase
diff --git a/test.js b/test.js
new file mode 100644
index 0000000..e69de29