Add components for Heroicons

lib/heroicons.ex

@@ -1,66 +1,32 @@
 defmodule Heroicons do
   @moduledoc """
-  This library provides functions for every [Heroicon](https://github.com/tailwindlabs/heroicons).
-  See `Heroicons.Outline` and `Heroicons.Solid` for the two styles of icon.
+  This library provides functions and components for every [Heroicon](https://github.com/tailwindlabs/heroicons).
+
+  Heroicons are provided as functions in `Heroicons.Outline` and `Heroicons.Solid`,
+  and as `Phoenix.Component`s in `Heroicons.Components.Outline` and `Heroicons.Components.Solid`.
+
+  Note that components require your project to have `:phoenix_live_view` as a dependency.
 
   Heroicons are designed by [Steve Schoger](https://twitter.com/steveschoger)
   """
 
-  @doc false
-  defmacro __before_compile__(%Macro.Env{module: module}) do
-    unless Module.has_attribute?(module, :icon_dir) do
-      raise CompileError, description: "@icon_dir attrubute is required"
-    end
+  defmodule Outline do
+    @moduledoc """
+    Outline style icons drawn with a stroke, packaged as functions.
 
-    icon_dir = Module.get_attribute(module, :icon_dir)
-    default_attrs =  Module.get_attribute(module, :default_attrs)
-
-
-    icon_paths =
-      Path.absname(icon_dir, :code.priv_dir(:heroicons))
-      |> Path.join("*.svg")
-      |> Path.wildcard()
-
-    for path <- icon_paths do
-      generate_function(path, default_attrs)
-    end
-  end
-
-  @doc false
-  def generate_function(path, default_attrs) do
-    name =
-      Path.basename(path, ".svg")
-      |> String.replace("-", "_")
-      |> String.to_atom()
-
-    icon = File.read!(path)
-    {i, _} = :binary.match(icon, ">")
-    {_, body} = String.split_at(icon, i)
-
-    doc = """
-    ![](assets/#{Path.relative_to(path, :code.priv_dir(:heroicons))}) {: width=24px}
-
-    ## Examples
-        iex> #{name}()
-        iex> #{name}(class: "h-6 w-6 text-gray-500")
+    For primary navigation and marketing sections, designed to be rendered at 24x24.
     """
 
-    quote do
-      @doc unquote(doc)
-      @spec unquote(name)(keyword(binary)) :: binary
-      def unquote(name)(opts \\ []) do
-        opts = Keyword.merge(unquote(default_attrs), opts)
-        attrs =
-          for {k, v} <- opts do
-            safe_k =
-              k |> Atom.to_string() |> String.replace("_", "-") |> Phoenix.HTML.Safe.to_iodata()
-            safe_v = v |> Phoenix.HTML.Safe.to_iodata()
+    use Heroicons.Generator, icon_dir: "outline/"
+  end
 
-            {:safe, [?\s, safe_k, ?=, ?", safe_v, ?"]}
-          end
+  defmodule Solid do
+    @moduledoc """
+    Solid style icons drawn with fills,  packaged as functions.
 
-        {:safe, ["<svg", Phoenix.HTML.Safe.to_iodata(attrs), unquote(body)]}
-      end
-    end
+    For buttons, form elements, and to support text, designed to be rendered at 20x20.
+    """
+
+    use Heroicons.Generator, icon_dir: "solid/"
   end
 end