chore: init

flake.nix

@@ -0,0 +1,19 @@
+{
+  inputs = { };
+
+  outputs = { self }:
+    let
+      tagsPath = ./tags.nix;
+      libPath = ./lib.nix;
+
+      lib = import libPath;
+    in
+    {
+      lib = {
+        inherit tagsPath libPath;
+
+        tags = import tagsPath { format = true; inherit lib; };
+        core = lib;
+      };
+    };
+}

lib.nix

@@ -0,0 +1,8 @@
+let
+  inherit (builtins) isAttrs isList map;
+in
+{
+  mapAttrsToList = f: attrs: map (name: f name attrs.${name}) (builtins.attrNames attrs);
+  concatStrings = builtins.concatStringsSep "";
+  genAttrs = f: names: builtins.listToAttrs (map (n: { name = n; value = (f n); }) names);
+} // builtins

tags.nix

@@ -0,0 +1,17 @@
+{ format ? false, lib ? import ./lib.nix }:
+with lib; let
+  fmt = if format then "\n  " else "";
+
+  evalAttrs = attrs: concatStrings (mapAttrsToList (name: value: " ${name}=\"${value}\"") attrs);
+  evalChildren = children: if isList children then concatStrings children else children;
+  tag = name: maybeAttrs:
+    if isAttrs maybeAttrs
+    then (children: "<${name}${evalAttrs maybeAttrs}>${fmt}${evalChildren children}${fmt}</${name}>")
+    else tag name { } maybeAttrs;
+
+  tags = (genAttrs tag [ "html" "head" "body" "div" "p" "a" ]);
+in
+tags // {
+  inherit tag;
+  link = url: tags.a { href = url; };
+}