From d7671bf1ba7b2430fe0937b33cab2a5772bd0604 Mon Sep 17 00:00:00 2001
From: Yusuf Bera Ertan <y.bera003.06@protonmail.com>
Date: Sat, 15 May 2021 02:30:42 +0300
Subject: [PATCH] chore: init

---
 flake.nix | 19 +++++++++++++++++++
 lib.nix   |  8 ++++++++
 tags.nix  | 17 +++++++++++++++++
 3 files changed, 44 insertions(+)
 create mode 100644 flake.nix
 create mode 100644 lib.nix
 create mode 100644 tags.nix

diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..08dc7f2
--- /dev/null
+++ b/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;
+      };
+    };
+}
diff --git a/lib.nix b/lib.nix
new file mode 100644
index 0000000..8a90d37
--- /dev/null
+++ b/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
diff --git a/tags.nix b/tags.nix
new file mode 100644
index 0000000..56dd736
--- /dev/null
+++ b/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; };
+}