🎉 Support ActiveAdmin 2.x and code style improvements

- Add support ActiveAdmin for 2.x
- Add rubocop config
- Add frozen_string_literal to ruby files
- Apply changes to respect rubocop alerts

.rubocop.yml

@@ -0,0 +1,73 @@
+require:
+  - rubocop-rspec
+
+Rails:
+  Enabled: true
+
+AllCops:
+  TargetRubyVersion: 2.3.8
+  TargetRailsVersion: 5.2
+  Exclude:
+    - db/schema.rb
+    - bin/*
+    - node_modules/**/*
+    # Temporary files
+    - tmp/**/*
+
+Rails/InverseOf:
+  Enabled: false
+
+Style/Documentation:
+  Enabled: false
+
+Metrics/ClassLength:
+  # Default value is 100
+  Max: 150
+
+Metrics/LineLength:
+  # Default is 80
+  Max: 120
+
+Metrics/ModuleLength:
+  # Default is 100
+  Max: 150
+
+Metrics/ParameterLists:
+  # Default is 5
+  Max: 6
+
+RSpec/ExampleLength:
+  # Default is 10
+  Max: 20
+
+Style/FrozenStringLiteralComment:
+  # Deface DOES edit strings in place
+  Exclude:
+    - 'app/overrides/**/*'
+
+RSpec/MultipleExpectations:
+  # Default is 3
+  Max: 5
+
+RSpec/NestedGroups:
+  # Default is 3
+  Max: 6
+
+Metrics/AbcSize:
+  Max: 25
+
+Metrics/BlockLength:
+  # This value double the rubocop default
+  Max: 50
+
+Metrics/CyclomaticComplexity:
+  # This value double the rubocop default
+  Max: 12
+
+Metrics/MethodLength:
+  # This value double the rubocop default
+  Max: 20
+
+Metrics/PerceivedComplexity:
+  # Default is 7
+  Max: 10

Gemfile

@@ -1,4 +1,3 @@
 source 'https://rubygems.org'
 
 gemspec
-

README.md

@@ -7,7 +7,6 @@ An Active Admin plugin to use [Quill Rich Text Editor](https://github.com/quillj
 ## Install
 
 - Update your Gemfile: `gem 'activeadmin_quill_editor'` (and execute *bundle*)
-- For ActiveAdmin2 alpha use: `gem 'activeadmin_quill_editor', git: 'https://github.com/blocknotes/activeadmin_quill_editor', branch: 'aa2'`
 - Add at the end of your ActiveAdmin styles (_app/assets/stylesheets/active_admin.scss_):
 ```css
 @import 'activeadmin/quill_editor_input';

Rakefile

@@ -1,3 +1,3 @@
-# encoding: utf-8
+# frozen_string_literal: true
 
-require "bundler/gem_tasks"
+require 'bundler/gem_tasks'

activeadmin_quill_editor.gemspec

@@ -1,4 +1,6 @@
-lib = File.expand_path('../lib', __FILE__)
+# frozen_string_literal: true
+
+lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'activeadmin/quill_editor/version'
 
@@ -15,5 +17,5 @@ Gem::Specification.new do |spec|
   spec.files         = `git ls-files -z`.split("\x0")
   spec.require_paths = ['lib']
 
-  spec.add_runtime_dependency 'activeadmin', '~> 1.0'
+  spec.add_runtime_dependency 'activeadmin', '>= 1.0'
 end

app/assets/javascripts/activeadmin/quill_editor_input.js

@@ -17,8 +17,6 @@ var initQuillEditors = function() {
         [{ 'align': [] }, { list: 'ordered' }, { list: 'bullet' }],
         [{ 'color': [] }, { 'background': [] }],
         ['clean'],
-        // [{ 'size': ['small', false, 'large', 'huge'] }],
-        // [{ 'header': [1, 2, 3, 4, 5, 6, false] }],
       ]
     },
     placeholder: '',
@@ -41,8 +39,6 @@ var initQuillEditors = function() {
       for(var i = 0; i < editors.length; i++) {
         var input = editors[i].querySelector('input[type="hidden"]');
         input.value = editors[i]['_quill-editor'].root.innerHTML;
-        // input.value = editors[i]['_quill-editor'].getContents();
-        // input.value = editors[i].querySelector( '.quill-editor-content' ).innerHTML;
       }
     };
   }

lib/activeadmin/quill_editor.rb

@@ -1 +1,3 @@
+# frozen_string_literal: true
+
 require 'activeadmin/quill_editor/engine'

lib/activeadmin/quill_editor/engine.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'active_admin'
 
 module ActiveAdmin

lib/activeadmin/quill_editor/version.rb

@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 module ActiveAdmin
   module QuillEditor
-    VERSION = '0.1.4'
+    VERSION = '0.2.0'
   end
 end

lib/activeadmin_quill_editor.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'activeadmin/quill_editor'
 
 require 'formtastic/inputs/quill_editor_input'

lib/formtastic/inputs/quill_editor_input.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Formtastic
   module Inputs
     class QuillEditorInput < Formtastic::Inputs::TextInput