Fix colorized 1.9 hash syntax

Appraisals

@@ -4,13 +4,13 @@ if RUBY_VERSION < '3'
   appraise 'rails-5.2' do
     gem 'activerecord-jdbcsqlite3-adapter', '~> 52.0', platform: :jruby
     gem 'rails', '~> 5.2.0'
-    gem 'sqlite3', platform: :mri
+    gem 'sqlite3', '~> 1.4', platform: :mri
   end
 
   appraise 'rails-6.0' do
     gem 'activerecord-jdbcsqlite3-adapter', '~> 60.0', platform: :jruby
     gem 'rails', '~> 6.0.0'
-    gem 'sqlite3', platform: :mri
+    gem 'sqlite3', '~> 1.4', platform: :mri
   end
 
   appraise 'mongoid-4.0' do
@@ -41,7 +41,7 @@ if RUBY_VERSION >= '2.7'
   appraise 'rails-7.0' do
     gem 'activerecord-jdbcsqlite3-adapter', '~> 70.0', platform: :jruby
     gem 'rails', '~> 7.0.0'
-    gem 'sqlite3', platform: :mri
+    gem 'sqlite3', '~> 1.4', platform: :mri
   end
 
   appraise 'mongoid-7.0' do
@@ -56,11 +56,11 @@ end
 appraise 'rails-6.1' do
   gem 'activerecord-jdbcsqlite3-adapter', '~> 61.0', platform: :jruby
   gem 'rails', '~> 6.1.0'
-  gem 'sqlite3', platform: :mri
+  gem 'sqlite3', '~> 1.4', platform: :mri
 end
 
 appraise 'sequel-5.0' do
   gem 'jdbc-sqlite3', platform: :jruby
   gem 'sequel', '~> 5.0'
-  gem 'sqlite3', platform: :mri
+  gem 'sqlite3', '~> 1.4', platform: :mri
 end

gemfiles/mongoid_7.0.gemfile

@@ -0,0 +1,15 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "appraisal", git: "https://github.com/thoughtbot/appraisal.git", branch: :main
+gem "bigdecimal"
+gem "fakefs", "~> 1.2"
+gem "mongoid", "~> 7.0.0"
+gem "nokogiri", "~> 1.10"
+gem "pry"
+gem "rspec", "~> 3.9"
+gem "rubocop", "~> 1.20"
+gem "rubocop-rspec", "~> 2.4"
+
+gemspec path: "../"

gemfiles/mongoid_8.0.gemfile

@@ -0,0 +1,15 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "appraisal", git: "https://github.com/thoughtbot/appraisal.git", branch: :main
+gem "bigdecimal"
+gem "fakefs", "~> 1.2"
+gem "mongoid", "~> 8.0.0"
+gem "nokogiri", "~> 1.10"
+gem "pry"
+gem "rspec", "~> 3.9"
+gem "rubocop", "~> 1.20"
+gem "rubocop-rspec", "~> 2.4"
+
+gemspec path: "../"

gemfiles/rails_6.1.gemfile

@@ -4,13 +4,14 @@ source "https://rubygems.org"
 
 gem "activerecord-jdbcsqlite3-adapter", "~> 61.0", platform: :jruby
 gem "appraisal", git: "https://github.com/thoughtbot/appraisal.git", branch: :main
+gem "bigdecimal"
 gem "fakefs", "~> 1.2"
 gem "nokogiri", "~> 1.10"
 gem "pry"
 gem "rails", "~> 6.1.0"
 gem "rspec", "~> 3.9"
 gem "rubocop", "~> 1.20"
 gem "rubocop-rspec", "~> 2.4"
-gem "sqlite3", platform: :mri
+gem "sqlite3", "~> 1.4", platform: :mri
 
 gemspec path: "../"

gemfiles/rails_7.0.gemfile

@@ -4,13 +4,14 @@ source "https://rubygems.org"
 
 gem "activerecord-jdbcsqlite3-adapter", "~> 70.0", platform: :jruby
 gem "appraisal", git: "https://github.com/thoughtbot/appraisal.git", branch: :main
+gem "bigdecimal"
 gem "fakefs", "~> 1.2"
 gem "nokogiri", "~> 1.10"
 gem "pry"
 gem "rails", "~> 7.0.0"
 gem "rspec", "~> 3.9"
 gem "rubocop", "~> 1.20"
 gem "rubocop-rspec", "~> 2.4"
-gem "sqlite3", platform: :mri
+gem "sqlite3", "~> 1.4", platform: :mri
 
 gemspec path: "../"

gemfiles/sequel_5.0.gemfile

@@ -3,6 +3,7 @@
 source "https://rubygems.org"
 
 gem "appraisal", git: "https://github.com/thoughtbot/appraisal.git", branch: :main
+gem "bigdecimal"
 gem "fakefs", "~> 1.2"
 gem "jdbc-sqlite3", platform: :jruby
 gem "nokogiri", "~> 1.10"
@@ -11,6 +12,6 @@ gem "rspec", "~> 3.9"
 gem "rubocop", "~> 1.20"
 gem "rubocop-rspec", "~> 2.4"
 gem "sequel", "~> 5.0"
-gem "sqlite3", platform: :mri
+gem "sqlite3", "~> 1.4", platform: :mri
 
 gemspec path: "../"

lib/amazing_print/formatters/base_formatter.rb

@@ -143,8 +143,12 @@ def align(value, width)
         end
       end
 
+      def colorless(string)
+        string.gsub(/\e\[[\d;]+m/, '')
+      end
+
       def colorless_size(string)
-        string.gsub(/\e\[[\d;]+m/, '').size
+        colorless(string).size
       end
     end
   end

lib/amazing_print/formatters/hash_formatter.rb

@@ -65,8 +65,18 @@ def left_width(keys)
         result
       end
 
+      def key_size(key)
+        return key.inspect.size if symbol?(key)
+
+        if options[:html]
+          single_line { inspector.awesome(key) }.size
+        else
+          plain_single_line { inspector.awesome(key) }.size
+        end
+      end
+
       def max_key_width(keys)
-        keys.map { |key, _value| colorless_size(key) }.max || 0
+        keys.map { |key, _value| key_size(key) }.max || 0
       end
 
       def printable_keys
@@ -75,27 +85,37 @@ def printable_keys
         keys.sort! { |a, b| a.to_s <=> b.to_s } if options[:sort_keys]
 
         keys.map! do |key|
-          plain_single_line do
-            [inspector.awesome(key), hash[key]]
+          single_line do
+            [key, hash[key]]
           end
         end
       end
 
       def symbol?(key)
-        key[0] == ':'
+        key.is_a?(Symbol)
       end
 
       def ruby19_syntax(key, value, width)
-        key[0] = ''
-        key << ':'
-        "#{align(key, width)} #{inspector.awesome(value)}"
+        # Move the colon to the right side of the symbol
+        awesome_key = inspector.awesome(key).sub(/#{key.inspect}/, "#{key}:")
+
+        "#{align(awesome_key, width)} #{inspector.awesome(value)}"
       end
 
       def pre_ruby19_syntax(key, value, width)
-        "#{align(key, width)}#{colorize(' => ', :hash)}#{inspector.awesome(value)}"
+        awesome_key = single_line { inspector.awesome(key) }
+        "#{align(awesome_key, width)}#{colorize(' => ', :hash)}#{inspector.awesome(value)}"
+      end
+
+      def plain_single_line(&block)
+        plain = options[:plain]
+        options[:plain] = true
+        single_line(&block)
+      ensure
+        options[:plain] = plain
       end
 
-      def plain_single_line
+      def single_line
         multiline = options[:multiline]
         options[:multiline] = false
         yield

spec/formats_spec.rb

@@ -331,10 +331,10 @@
       expect(@hash.ai(ruby19_syntax: true)).to eq <<~EOS.strip
         {
             \e[1;34m1\e[0m\e[0;37m => \e[0m{
-                \e[0;36m:sym\e[0m\e[0;37m => \e[0m{
+                \e[0;36msym:\e[0m {
                     \e[0;33m"str"\e[0m\e[0;37m => \e[0m{
                         [ \e[1;34m1\e[0m, \e[1;34m2\e[0m, \e[1;34m3\e[0m ]\e[0;37m => \e[0m{
-                            { \e[0;36m:k\e[0m\e[0;37m => \e[0m\e[0;36m:v\e[0m }\e[0;37m => \e[0m\e[1;33mHash < Object\e[0m
+                            { \e[0;36mk:\e[0m \e[0;36m:v\e[0m }\e[0;37m => \e[0m\e[1;33mHash < Object\e[0m
                         }
                     }
                 }