add purescript

purescript/.envrc

@@ -0,0 +1 @@
+use flake .

purescript/flake.lock

@@ -0,0 +1,59 @@
+{
+  "nodes": {
+    "easy-purescript-nix": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1671011575,
+        "narHash": "sha256-tESal32bcqqdZO+aKnBzc1GoL2mtnaDtj2y7ociCRGA=",
+        "owner": "justinwoo",
+        "repo": "easy-purescript-nix",
+        "rev": "11d3bd58ce6e32703bf69cec04dc7c38eabe14ba",
+        "type": "github"
+      },
+      "original": {
+        "owner": "justinwoo",
+        "repo": "easy-purescript-nix",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1671632759,
+        "narHash": "sha256-xWpURFJXayfhGImTH8tPgf4hkGTCt0LTFvhKuKPmhvU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "9f684b1517a9dc1a456134a26493df7874027dd9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "easy-purescript-nix": "easy-purescript-nix",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

purescript/flake.nix

@@ -0,0 +1,41 @@
+{
+  description = "A Nix-flake-based Purescript development environment";
+
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+    nixpkgs.url = "github:NixOS/nixpkgs";
+    easy-purescript-nix = {
+      url = "github:justinwoo/easy-purescript-nix";
+      flake = false;
+    };
+  };
+  outputs =
+    { self
+    , nixpkgs
+    , flake-utils
+    , easy-purescript-nix
+    }:
+    flake-utils.lib.eachDefaultSystem (system:
+    let
+      pkgs = nixpkgs.legacyPackages.${system};
+      easy-ps = import easy-purescript-nix { inherit pkgs; };
+    in
+    {
+      devShells.default = pkgs.mkShell {
+        buildInputs = [
+          easy-ps.purs
+          easy-ps.spago
+          easy-ps.purescript-language-server
+          easy-ps.purs-tidy
+          pkgs.nodejs
+        ];
+        shellHook = ''
+          echo "Purs `${easy-ps.purs}/bin/purs --version`"
+          echo "Spago `${easy-ps.spago}/bin/spago --version`"
+          echo "Purescript Language Server `${easy-ps.purescript-language-server}/bin/purescript-language-server --version`"
+          echo "Purs Tidy `${easy-ps.purs-tidy}/bin/purs-tidy --version`"
+          echo "Node.js `${pkgs.nodejs}/bin/node --version`"
+        '';
+      };
+    });
+}