6 changed files with 241 additions and 6 deletions
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10.vscode/settings.json
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42app/controllers/scores_controller.rb
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9config/environments/development.rb
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55lib/formatters/ansi_colors.rb
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53lib/formatters/ansi_formatter.rb
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78lib/formatters/ansi_wrapper.rb
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module AnsiColors |
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# FORMAT |
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CLEAR = "\e[0m".freeze |
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BOLD = "\e[1m".freeze |
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UNDERLINE = "\e[4m".freeze |
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# TEXT |
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TEXT_BLACK = "\e[30m".freeze |
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TEXT_RED = "\e[31m".freeze |
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TEXT_GREEN = "\e[32m".freeze |
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TEXT_YELLOW = "\e[33m".freeze |
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TEXT_BLUE = "\e[34m".freeze |
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TEXT_MAGENTA = "\e[35m".freeze |
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TEXT_CYAN = "\e[36m".freeze |
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TEXT_WHITE = "\e[37m".freeze |
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# TEXT GRAY SHADES |
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TEXT_GRAY_800 = "\e[38;5;232m".freeze |
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TEXT_GRAY_700 = "\e[38;5;233m".freeze |
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TEXT_GRAY_600 = "\e[38;5;235m".freeze |
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TEXT_GRAY_500 = "\e[38;5;238m".freeze |
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TEXT_GRAY_400 = "\e[38;5;241m".freeze |
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TEXT_GRAY_300 = "\e[38;5;244m".freeze |
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TEXT_GRAY_200 = "\e[38;5;249m".freeze |
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TEXT_GRAY_100 = "\e[38;5;252m".freeze |
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# DARK TEXT |
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DARK_TEXT_BLACK = "\e[90m".freeze |
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DARK_TEXT_RED = "\e[91m".freeze |
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DARK_TEXT_GREEN = "\e[92m".freeze |
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DARK_TEXT_YELLOW = "\e[93m".freeze |
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DARK_TEXT_BLUE = "\e[94m".freeze |
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DARK_TEXT_MAGENTA = "\e[95m".freeze |
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DARK_TEXT_CYAN = "\e[96m".freeze |
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DARK_TEXT_WHITE = "\e[97m".freeze |
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# BACKGROUND |
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BG_BLACK = "\e[40m".freeze |
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BG_WHITE = "\e[47m".freeze |
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BG_GRAY = "\e[100m".freeze |
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BG_RED = "\e[41m".freeze |
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BG_GREEN = "\e[42m".freeze |
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BG_YELLOW = "\e[43m".freeze |
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BG_BLUE = "\e[44m".freeze |
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BG_MAGENTA = "\e[45m".freeze |
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BG_CYAN = "\e[46m".freeze |
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# DARK BACKGROUND |
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DARK_BG_RED = "\e[101m".freeze |
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DARK_BG_GREEN = "\e[102m".freeze |
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DARK_BG_YELLOW = "\e[103m".freeze |
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DARK_BG_BLUE = "\e[104m".freeze |
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DARK_BG_MAGENTA = "\e[105m".freeze |
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DARK_BG_CYAN = "\e[106m".freeze |
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end |
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require_relative 'ansi_wrapper' |
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require_relative 'ansi_colors' |
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require 'io/console' |
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require 'amazing_print' |
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require 'json' |
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class AnsiFormatter < SemanticLogger::Formatters::Color |
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include AnsiColors |
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ANSI_DEBUG = CLEAR + TEXT_CYAN |
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ANSI_INFO = CLEAR + TEXT_WHITE |
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ANSI_WARN = BG_YELLOW + TEXT_BLACK |
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ANSI_ERROR = BG_RED + TEXT_BLACK |
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ANSI_FATAL = DARK_BG_RED + TEXT_BLACK |
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def initialize |
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super(color_map: ColorMap.new( |
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debug: ANSI_DEBUG, |
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info: ANSI_INFO, |
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warn: ANSI_WARN, |
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error: ANSI_ERROR, |
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fatal: ANSI_FATAL |
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)) |
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end |
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def message |
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return unless log.message |
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colorize(log.message, color_map[log.level]) |
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end |
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def call(log, logger) |
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self.log = log |
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self.logger = logger |
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self.color = color_map[log.level] |
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wrap_level(level, message, payload, exception) |
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end |
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private |
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def colorize(text, color) |
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"#{color}#{text}#{color_map.clear}" |
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end |
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def wrap_level(level, *items) |
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prefix = " #{colorize('>', color)} " |
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continuation = " #{colorize('#', color)} " |
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items.map do |item| |
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AnsiWrapper.wrap(item, 100, prefix, continuation) |
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end.compact.join("\n") # FIXME: previously was: join(' ') |
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end |
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end |
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# AnsiWrapper cares about Ansi Colour Code \e[... |
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class AnsiWrapper |
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TAB_TO_SPACES = 2 |
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ANSI_REGEX = /\e\[[0-9;]*m/ # TODO: support for \x1b and \033 |
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ANSI_RESET = "\e[0m".freeze |
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def self.wrap(text, length, prefix = '', continuation = prefix) |
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if prefix.length != continuation.length |
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raise "continuation <#{continuation}> should have the same length as prefix <#{prefix}>" |
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end |
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return unless text |
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text = text.gsub("\t", ' ' * TAB_TO_SPACES) |
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lines = split_text_to_lines(text, length - prefix.length) |
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lines = inject_continuation_and_ansi_colors_to_lines(lines, prefix, continuation) |
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lines.join("\n") |
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end |
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private_class_method def self.inject_continuation_and_ansi_colors_to_lines(lines, prefix, continuation) |
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last_ansi = '' |
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lines.each_with_index.map do |line, index| |
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current = index.zero? ? prefix : continuation |
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current += last_ansi unless last_ansi.empty? || last_ansi == ANSI_RESET |
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current += line |
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last_ansi = scan_for_actual_ansi(line, last_ansi) |
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current += ANSI_RESET if last_ansi.empty? || last_ansi != ANSI_RESET |
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current |
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end |
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end |
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private_class_method def self.scan_for_actual_ansi(line, last_ansi) |
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line.scan(ANSI_REGEX).each do |match| |
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ansi_code = match.to_s |
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if ansi_code == ANSI_RESET |
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last_ansi = ANSI_RESET |
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else |
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last_ansi += ansi_code |
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end |
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end |
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last_ansi |
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end |
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private_class_method def self.split_text_to_lines(text, length) |
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lines = text.split("\n") |
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sublines = lines.map do |line| |
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visible_length(line) > length ? visible_split(line, length) : [line] |
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end |
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sublines.flatten |
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end |
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private_class_method def self.visible_length(line) |
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raise 'line should not contain carriage return character!' if line.match "\n" |
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ansi_code_length = line.scan(ANSI_REGEX).map(&:length).sum |
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line.length - ansi_code_length |
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end |
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# TODO: might be refactored with less complexity |
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private_class_method def self.visible_split(line, length, stack = '') # rubocop:disable Metrics/AbcSize,Metrics/MethodLength |
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before, ansi_code, after = line.partition(ANSI_REGEX) |
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stack_length = visible_length(stack) |
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visible_length = before.length + stack_length |
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if visible_length == length |
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["#{stack}#{before}#{ansi_code}"] + visible_split(after, length) |
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elsif visible_length > length |
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first_line = stack + before[0...length - stack_length] |
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tail = before[length - stack_length..] + ansi_code + after |
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[first_line] + visible_split(tail, length) |
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elsif ansi_code.length.positive? |
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visible_split(after, length, "#{stack}#{before}#{ansi_code}") |
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else |
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["#{stack}#{before}#{ansi_code}"] |
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end |
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end |
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end |
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