Class: Rails::Console::IRBConsole

Inherits:
Object
  • Object
show all
Defined in:
lib/rails/commands/console/irb_console.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ IRBConsole

Returns a new instance of IRBConsole.



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# File 'lib/rails/commands/console/irb_console.rb', line 83

def initialize(app)
  @app = app

  require "irb"
  require "irb/completion"
end

Instance Method Details

#colorized_env ⇒ Object 



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# File 'lib/rails/commands/console/irb_console.rb', line 132

def colorized_env
  case Rails.env
  when "development"
    IRB::Color.colorize("dev", [:BLUE])
  when "test"
    IRB::Color.colorize("test", [:BLUE])
  when "production"
    IRB::Color.colorize("prod", [:RED])
  else
    Rails.env
  end
end

#name ⇒ Object 



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# File 'lib/rails/commands/console/irb_console.rb', line 90

def name
  "IRB"
end

#start ⇒ Object 



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# File 'lib/rails/commands/console/irb_console.rb', line 94

def start
  IRB.setup(nil)

  if !Rails.env.local? && !ENV.key?("IRB_USE_AUTOCOMPLETE")
    IRB.conf[:USE_AUTOCOMPLETE] = false
  end

  env = colorized_env
  prompt_prefix = "%N(#{env})"
  IRB.conf[:IRB_NAME] = @app.name

  IRB.conf[:PROMPT][:RAILS_PROMPT] = {
    PROMPT_I: "#{prompt_prefix}> ",
    PROMPT_S: "#{prompt_prefix}%l ",
    PROMPT_C: "#{prompt_prefix}* ",
    RETURN: "=> %s\n"
  }

  if current_filter = IRB.conf[:BACKTRACE_FILTER]
    IRB.conf[:BACKTRACE_FILTER] = -> (backtrace) do
      backtrace = current_filter.call(backtrace)
      Rails.backtrace_cleaner.filter(backtrace)
    end
  else
    IRB.conf[:BACKTRACE_FILTER] = -> (backtrace) do
      Rails.backtrace_cleaner.filter(backtrace)
    end
  end

  # Because some users/libs use Rails::ConsoleMethods to extend Rails console,
  # we still include it for backward compatibility.
  IRB::ExtendCommandBundle.include ConsoleMethods

  # Respect user's choice of prompt mode.
  IRB.conf[:PROMPT_MODE] = :RAILS_PROMPT if IRB.conf[:PROMPT_MODE] == :DEFAULT
  IRB::Irb.new.run(IRB.conf)
end