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al_check

0.1.13
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A parallel code quality checker for Elixir projects. Runs format, compile, credo, dialyzer, and tests concurrently with smart test partitioning.

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al_check lib check spinner.ex
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lib/check/spinner.ex 

defmodule CheckEscript.Spinner do

  @moduledoc "Animated spinner for long-running operations."



  @frames ["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"]



  def start(label \\ "Running") do

    spawn_link(fn -> loop(label, 0) end)

  end



  def stop(pid) do

    send(pid, :stop)

    # clear the spinner line

    IO.write("\e[2K\r")

  end



  defp loop(label, frame) do

    receive do

      :stop -> :ok

    after

      100 ->

        try do

          icon = Enum.at(@frames, rem(frame, length(@frames)))

          IO.write("\e[2K\r#{icon} #{label}")

        rescue

          _ -> :ok

        end



        loop(label, frame + 1)

    end

  end

end