Module: Tryouts::Console

Defined in:
lib/tryouts/console.rb

Defined Under Namespace

Modules: InstanceMethods

Constant Summary collapse

ATTRIBUTES = 
{
  normal: 0,
  bright: 1,
  dim: 2,
  underline: 4,
  blink: 5,
  reverse: 7,
  hidden: 8,
  default: 0,
}.freeze
COLOURS = 
{
  black: 30,
  red: 31,
  green: 32,
  yellow: 33,
  blue: 34,
  magenta: 35,
  cyan: 36,
  white: 37,
  default: 39,
  random: 30 + rand(10).to_i,
}.freeze
BGCOLOURS = 
{
  black: 40,
  red: 41,
  green: 42,
  yellow: 43,
  blue: 44,
  magenta: 45,
  cyan: 46,
  white: 47,
  default: 49,
  random: 40 + rand(10).to_i,
}.freeze

Class Method Summary collapse

Class Method Details

.att(name, str, io = $stdout) ⇒ Object 



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# File 'lib/tryouts/console.rb', line 103

def att(name, str, io = $stdout)
  str = [style(ATTRIBUTES[name], io: io), str, default_style(io)].join
  str.extend Console::InstanceMethods
  str
end

.bgcolor(col, str, io = $stdout) ⇒ Object 



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# File 'lib/tryouts/console.rb', line 109

def bgcolor(col, str, io = $stdout)
  str = [style(ATTRIBUTES[col], io: io), str, default_style(io)].join
  str.extend Console::InstanceMethods
  str
end

.bright(str, io = $stdout) ⇒ Object 



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# File 'lib/tryouts/console.rb', line 79

def bright(str, io = $stdout)
  str = [style(ATTRIBUTES[:bright], io: io), str, default_style(io)].join
  str.extend Console::InstanceMethods
  str
end

.color(col, str, io = $stdout) ⇒ Object 



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# File 'lib/tryouts/console.rb', line 97

def color(col, str, io = $stdout)
  str = [style(COLOURS[col], io: io), str, default_style(io)].join
  str.extend Console::InstanceMethods
  str
end

.default_style(io = $stdout) ⇒ Object 



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# File 'lib/tryouts/console.rb', line 156

def default_style(io = $stdout)
  style(ATTRIBUTES[:default], COLOURS[:default], BGCOLOURS[:default], io: io)
end

.pretty_backtrace(backtrace, limit: 10) ⇒ Object

Format backtrace entries with pretty file paths



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# File 'lib/tryouts/console.rb', line 182

def pretty_backtrace(backtrace, limit: 10)
  return [] unless backtrace&.any?

  backtrace.first(limit).map do |frame|
    # Split the frame to get file path and line info
    # Use non-greedy match and more specific pattern to prevent ReDoS
    if frame.match(/^([^:]+(?::[^:0-9][^:]*)*):(\d+):(.*)$/)
      file_part = $1
      line_part = $2
      method_part = $3
      pretty_file = pretty_path(file_part) || File.basename(file_part)
      "#{pretty_file}:#{line_part}#{method_part}"
    else
      frame
    end
  end
end

.pretty_path(filepath) ⇒ Object

Converts an absolute file path to a path relative to the current working directory. This simplifies logging and error reporting by showing only the relevant parts of file paths instead of lengthy absolute paths.



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# File 'lib/tryouts/console.rb', line 164

def pretty_path(filepath)
  return nil if filepath.nil? || filepath.empty?

  basepath = Dir.pwd
  begin
    relative_path = Pathname.new(filepath).relative_path_from(basepath)
    if relative_path.to_s.start_with?('..')
      File.basename(filepath)
    else
      relative_path.to_s
    end
  rescue ArgumentError
    # Handle cases where filepath cannot be relativized (e.g., empty paths, different roots)
    File.basename(filepath)
  end
end

.reverse(str, io = $stdout) ⇒ Object 



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# File 'lib/tryouts/console.rb', line 91

def reverse(str, io = $stdout)
  str = [style(ATTRIBUTES[:reverse], io: io), str, default_style(io)].join
  str.extend Console::InstanceMethods
  str
end

.style(*att, io: nil) ⇒ Object 



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# File 'lib/tryouts/console.rb', line 115

def style(*att, io: nil)
  # Only output ANSI codes if colors are supported
  target_io = io || $stdout

  # Explicit color control via environment variables
  # FORCE_COLOR/CLICOLOR_FORCE override NO_COLOR
  return "\e[%sm" % att.join(';') if ENV['FORCE_COLOR'] || ENV['CLICOLOR_FORCE']
  return '' if ENV['NO_COLOR']

  # Check if we're outputting to a real TTY
  tty_output = (target_io.respond_to?(:tty?) && target_io.tty?) ||
               ($stdout.respond_to?(:tty?) && $stdout.tty?) ||
               ($stderr.respond_to?(:tty?) && $stderr.tty?)

  # If we have a real TTY, always use colors
  return "\e[%sm" % att.join(';') if tty_output

  # For environments like Claude Code where TTY detection fails but we want colors
  # Check if output appears to be redirected to a file/pipe
  if ENV['TERM'] && ENV['TERM'] != 'dumb'
    # Check if stdout/stderr look like they're redirected using file stats
    begin
      stdout_stat = $stdout.stat
      stderr_stat = $stderr.stat

      # If either stdout or stderr looks like a regular file or pipe, disable colors
      stdout_redirected = stdout_stat.file? || stdout_stat.pipe?
      stderr_redirected = stderr_stat.file? || stderr_stat.pipe?

      # Enable colors if neither appears redirected
      return "\e[%sm" % att.join(';') unless stdout_redirected || stderr_redirected
    rescue StandardError
      # If stat fails, fall back to enabling colors with TERM set
      return "\e[%sm" % att.join(';')
    end
  end

  # Default: no colors
  ''
end

.underline(str, io = $stdout) ⇒ Object 



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# File 'lib/tryouts/console.rb', line 85

def underline(str, io = $stdout)
  str = [style(ATTRIBUTES[:underline], io: io), str, default_style(io)].join
  str.extend Console::InstanceMethods
  str
end