bigflake

defmodule Bigflake.Base62 do
  def encode(data, opts \\ []) do
    len = Keyword.get(opts, :length)
    Base62.encode(data) |> with_padding(len)
  end

  def decode(data) do
    String.lstrip(data, ?0) |> Base62.decode!
  end

  defp with_padding(data, nil), do: data
  defp with_padding(data, len), do: String.rjust(data, len, ?0)
end