class SlimLint::Logger
Encapsulates all communication to an output source.
Attributes
Whether colored output via ANSI escape sequences is enabled. @return [true,false]
Public Class Methods
Creates a new {SlimLint::Logger} instance.
@param out [IO] the output destination.
# File lib/slim_lint/logger.rb, line 19 def initialize(out) @out = out end
Creates a logger which outputs nothing. @return [SlimLint::Logger]
# File lib/slim_lint/logger.rb, line 12 def self.silent new(File.open('/dev/null', 'w')) end
Public Instance Methods
Print the specified output in bold face. If output destination is not a TTY, behaves the same as {#log}.
@param args [Array<String>]
# File lib/slim_lint/logger.rb, line 36 def bold(*args) color('1', *args) end
Print the specified output in a bold face and color indicative of error. If output destination is not a TTY, behaves the same as {#log}.
@param args [Array<String>]
# File lib/slim_lint/logger.rb, line 52 def bold_error(*args) color('1;31', *args) end
Print the specified output in a color indicative of error. If output destination is not a TTY, behaves the same as {#log}.
@param args [Array<String>]
# File lib/slim_lint/logger.rb, line 44 def error(*args) color(31, *args) end
Print the specified output in a color indicating information. If output destination is not a TTY, behaves the same as {#log}.
@param args [Array<String>]
# File lib/slim_lint/logger.rb, line 76 def info(*args) color(36, *args) end
Print the specified output.
@param output [String] the output to send @param newline [true,false] whether to append a newline
# File lib/slim_lint/logger.rb, line 27 def log(output, newline = true) @out.print(output) @out.print("\n") if newline end
Print a blank line.
# File lib/slim_lint/logger.rb, line 81 def newline log('') end
Print the specified output in a color indicative of success. If output destination is not a TTY, behaves the same as {#log}.
@param args [Array<String>]
# File lib/slim_lint/logger.rb, line 60 def success(*args) color(32, *args) end
Whether this logger is outputting to a TTY.
@return [true,false]
# File lib/slim_lint/logger.rb, line 88 def tty? @out.respond_to?(:tty?) && @out.tty? end
Print the specified output in a color indicative of a warning. If output destination is not a TTY, behaves the same as {#log}.
@param args [Array<String>]
# File lib/slim_lint/logger.rb, line 68 def warning(*args) color(33, *args) end
Private Instance Methods
Print output in the specified color.
@param code [Integer,String] ANSI color code @param output [String] output to print @param newline [Boolean] whether to append a newline
# File lib/slim_lint/logger.rb, line 99 def color(code, output, newline = true) log(color_enabled ? "\033[#{code}m#{output}\033[0m" : output, newline) end