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Static site generator for elixir
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lib/tableau/page.ex
defmodule Tableau.Page do
@moduledoc ~s'''
A tableau page.
A page is a basic unit of a static site.
```elixir
defmodule MySite.HomePage do
use Tableau.Page,
layout: MySite.RootLayout,
permalink: "/"
def template(assigns) do
"""
<h1>My Site</h1>
<p>
Welcome to my site!
</p>
"""
end
end
```
'''
@type assigns :: map()
@type template :: any()
@doc """
The page struct allows you to create pages as data structures and manually insert them into the Graph.
"""
defstruct [:parent, :permalink, :template, :opts]
defimpl Tableau.Graph.Nodable do
def template(nodable, assigns) do
nodable.template.(assigns)
end
def type(_nodable), do: {:ok, :page}
def parent(nodable), do: {:ok, nodable.parent}
def opts(nodable), do: nodable.opts
def permalink(nodable), do: nodable.permalink
end
@doc """
The page template.
"""
@callback template(assigns()) :: template()
defmacro __using__(opts) do
layout = Keyword.fetch!(opts, :layout)
permalink = Keyword.fetch!(opts, :permalink)
quote do
@behaviour unquote(__MODULE__)
def __tableau_type__, do: :page
def __tableau_parent__, do: unquote(layout)
def __tableau_permalink__, do: unquote(permalink)
def __tableau_opts__, do: unquote(opts)
end
end
end