IEx configuration

.iex.exs

imestamp = fn ->
  {_date, {hour, minute, _second}} = :calendar.local_time()

  [hour, minute]
  |> Enum.map(
       &String.pad_leading(Integer.to_string(&1), 2, "0")
     )
  |> Enum.join(":")
end

counter =
  "(#{IO.ANSI.light_green()}%counter#{IO.ANSI.reset()})"

node = "[#{IO.ANSI.yellow()}%node#{IO.ANSI.reset()}]"

prompt =
  "#{IO.ANSI.light_black()}#{timestamp.()}#{IO.ANSI.reset()}"

prefix =
  " #{IO.ANSI.light_green()}%prefix#{IO.ANSI.reset()}"

IEx.configure(
  colors: [
    syntax_colors: [
      number: :light_yellow,
      atom: :light_cyan,
      string: :light_black,
      boolean: :red,
      nil: [:magenta, :bright]
    ],
    ls_directory: :cyan,
    ls_device: :yellow,
    doc_code: :green,
    doc_inline_code: :magenta,
    doc_title: [:reverse, :yellow]
  ],
  default_prompt: prompt <> prefix <> counter <> ">",
  alive_prompt: prompt <> prefix <> node <> counter <> ">",
  history_size: 50,
  inspect: [
    pretty: true,
    limit: :infinity,
    width: 80
  ],
  width: 80
)