feat: First commit.

flake.nix

@@ -0,0 +1,33 @@
+{
+  description = "Simple, functional, dependency free string manipulation in Vanilla JS";
+
+  outputs = { self, nixpkgs }: 
+  let
+    pkgs = nixpkgs.legacyPackages.x86_64-linux;
+  in {
+    devShells.x86_64-linux.default = pkgs.mkShell {
+      buildInputs = with pkgs; [ 
+        yarn
+      ];
+    };
+
+    checks.x86_64-linux.default = pkgs.stdenv.mkDerivation {
+        name = "strings-check";
+        src = ./.;
+
+        nativeBuildInputs = with pkgs; [ yarn ];
+        buildPhase = ''
+          # this line removes a bug where value of $HOME is set to a non-writable /homeless-shelter dir
+          export HOME=$(pwd)
+
+          yarn
+          yarn test
+        '';
+        checkPhase = ''
+          yarn test
+        '';
+        installPhase = ''
+        '';
+    };
+  };
+}