Packages

progress_bar

3.0.0
3.1.0 3.0.0 2.0.2 2.0.1 2.0.0 1.7.1 1.7.0 1.6.1 1.6.0 1.5.0 1.4.0 1.3.2 1.3.1 1.3.0 1.2.1 1.2.0 1.1.0 1.0.0 0.0.13 0.0.12 0.0.11 0.0.10 0.0.9 0.0.8 0.0.7 0.0.6 0.0.5 0.0.3 0.0.2 0.0.1

Command-line progress bars and spinners.

HexDocs

Current section

Files

Jump to
Readme
30 Versions
1 Dependency
Dependants
Files
Activity
progress_bar lib progress_bar utils.ex
Raw

lib/progress_bar/utils.ex 

defmodule ProgressBar.Utils do

  def ansi_prefix do

    [

      # So a shorter line can replace a previous, longer line.

      ansi_clear_line(),

      # Back to beginning of line.

      "\r"

    ]

    |> Enum.join()

  end



  def strip_invisibles(string) do

    string |> String.replace(~r/\e\[\d*[a-zA-Z]|[\r\n]/, "")

  end



  def color(content, []), do: content



  def color(content, ansi_codes) do

    [ansi_codes, content, IO.ANSI.reset()]

  end



  defp ansi_clear_line do

    # This may become ANSI.IO.clear_line sometime after Elixir 1.1.0:

    # https://github.com/elixir-lang/elixir/pull/3755

    "\e[2K"

  end

end