Elixir code to generate a json file of all the svg slides in a directory

create_slides.exs

# curry the write function
write_data = &(File.write!("./assets/slides.json", &1))

Path.wildcard("./assets/slides/*.svg")
|> Enum.sort()
|> Enum.map(&Path.basename/1)
|> Enum.with_index(1)
|> Enum.map(fn {file, index} -> {file, Path.basename(file, ".svg"), index} end)
|> Enum.map(fn {file, name, index} ->
  %{
    number: index,
    name: name,
    path: "/assets/slides/#{file}"
  }
end)
|> Poison.encode!()
|> write_data.()