25 lines
509 B
Elixir
25 lines
509 B
Elixir
defmodule Options do
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@defaults %{
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clear_screen: false
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}
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def start(args) do
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Agent.start_link(fn -> parse(args) end, name: __MODULE__)
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end
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def clear_screen? do
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Agent.get(__MODULE__, fn(options) ->
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Map.fetch!(options, :clear_screen)
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end)
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end
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defp parse(args) do
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Enum.reduce(args, @defaults, fn(arg, acc) ->
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Map.merge(acc, parse_argument(arg))
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end)
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end
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def parse_argument("--clear-screen"), do: %{ clear_screen: true}
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def parse_argument(_), do: %{}
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end
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