Remove dependency on colorize

Gemfile.lock

@@ -3,25 +3,23 @@ PATH
   specs:
     capybara-chromedriver-logger (0.3.0)
       capybara
-      colorize
 
 GEM
   remote: https://rubygems.org/
   specs:
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
-    capybara (3.31.0)
+    capybara (3.35.3)
       addressable
       mini_mime (>= 0.1.3)
       nokogiri (~> 1.8)
       rack (>= 1.6.0)
       rack-test (>= 0.6.3)
-      regexp_parser (~> 1.5)
+      regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
     childprocess (0.8.0)
       ffi (~> 1.0, >= 1.0.11)
     coderay (1.1.2)
-    colorize (0.8.1)
     diff-lcs (1.3)
     ffi (1.12.2)
     gem-release (2.0.1)
@@ -33,12 +31,12 @@ GEM
     pry (0.11.3)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    public_suffix (4.0.3)
+    public_suffix (4.0.6)
     rack (2.0.8)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rake (13.0.1)
-    regexp_parser (1.7.0)
+    regexp_parser (2.1.1)
     rspec (3.7.0)
       rspec-core (~> 3.7.0)
       rspec-expectations (~> 3.7.0)

capybara-chromedriver-logger.gemspec

@@ -30,7 +30,6 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "capybara"
-  spec.add_dependency "colorize"
 
   spec.add_development_dependency "bundler", "~> 1.16"
   spec.add_development_dependency "gem-release"

lib/capybara/chromedriver/logger/message.rb

@@ -1,5 +1,3 @@
-require 'colorize'
-
 module Capybara
   module Chromedriver
     module Logger
@@ -33,13 +31,27 @@ def error?
 
         private
 
+        COLOR_CODES = {
+          default: 49,
+          light_red: 101,
+          light_green: 102,
+          light_blue: 103,
+          light_magenta: 105,
+          light_cyan: 106,
+        }.freeze
+
         COLORS = {
           'SEVERE' => :light_red,
           'INFO' => :light_green,
           'WARNING' => :light_cyan,
           'DEBUG' => :light_blue
         }.freeze
 
+        COLOR_MODES = {
+          default: 0,
+          bold: 1,
+        }.freeze
+
         LEADING_SPACES = ' ' * 5
 
         def formatted_message
@@ -56,13 +68,20 @@ def level_color
         end
 
         def log_level
-          " #{level.downcase} ".colorize(color: :white, background: level_color).bold
+          colorize(
+            " #{level.downcase} ",
+            mode: :bold,
+            background: level_color,
+          )
         end
 
         def file_and_location
           return unless file && location
 
-          "#{file} #{location}".colorize(color: :white, background: :light_magenta)
+          colorize(
+            "#{file} #{location}",
+            background: :light_magenta
+          )
         end
 
         def extract_file_and_location!
@@ -73,6 +92,16 @@ def extract_file_and_location!
           _, @file, @location, message = match.to_a
           @message = message.gsub(/^"(.+?)"$/, '\1')
         end
+
+        def colorize(msg, background: :default, mode: :default)
+          mode_code = COLOR_MODES.fetch(mode)
+          color_code = 97 # white
+          background_code = COLOR_CODES.fetch(background)
+
+          str = "\033[#{mode_code};#{color_code};#{background_code}m"
+          str += msg
+          str + "\033[0m"
+        end
       end
     end
   end

spec/capybara/chromedriver/logger/collector_spec.rb

@@ -35,6 +35,7 @@
     expect_to_have_inserted_element
     expect { logger.flush_and_check_errors! }
       .to raise_error(Capybara::Chromedriver::Logger::JsError, /A console error/)
+
     expect_log_message("A console error")
   end
 
@@ -52,6 +53,7 @@
 
     expect_to_have_inserted_element
     logger.flush_and_check_errors!
+
     expect_log_message("A console log")
   end