ESlint and Stylelintrc generators

README.md

@@ -33,8 +33,10 @@ Or install it yourself as:
 
 ```sh
 rails generate auxiliary_rails:install_errors
+rails generate auxiliary_rails:install_eslint
 rails generate auxiliary_rails:install_rubocop
 rails generate auxiliary_rails:install_rubocop --no-specify-gems
+rails generate auxiliary_rails:install_stylelint
 ```
 
 ### View Helpers

lib/generators/auxiliary_rails/install_eslint_generator.rb

@@ -0,0 +1,32 @@
+require 'rails'
+
+module AuxiliaryRails
+  class InstallEslintGenerator < ::Rails::Generators::Base
+    PACKAGES = %w[
+      eslint
+      eslint-config-standard
+      eslint-plugin-standard
+      eslint-plugin-promise
+      eslint-plugin-import
+      eslint-plugin-node
+    ].freeze
+
+    source_root File.expand_path('templates/eslint', __dir__)
+
+    def copy_config_files
+      copy_file 'eslintrc_template.yml',
+        '.eslintrc.yml'
+    end
+
+    def install_elint_packages
+      run 'yarn add -D ' + PACKAGES.join(' ')
+    end
+
+    def show_instructions
+      say %(
+        Run `eslint` using this command:
+        => yarn run eslint --ext .js app/assets/javascripts
+      )
+    end
+  end
+end

lib/generators/auxiliary_rails/install_stylelint_generator.rb

@@ -0,0 +1,28 @@
+require 'rails'
+
+module AuxiliaryRails
+  class InstallStylelintGenerator < ::Rails::Generators::Base
+    PACKAGES = %w[
+      stylelint
+      stylelint-config-standard
+    ].freeze
+
+    source_root File.expand_path('templates/stylelint', __dir__)
+
+    def copy_config_files
+      copy_file 'stylelintrc_template.yml',
+        '.stylelintrc.yml'
+    end
+
+    def install_stylelint_packages
+      run 'yarn add -D ' + PACKAGES.join(' ')
+    end
+
+    def show_instructions
+      say %(
+        Run `stylelint` using this command:
+        => yarn run stylelint app/assets/stylesheets/
+      )
+    end
+  end
+end

lib/generators/auxiliary_rails/templates/eslint/eslintrc_template.yml

@@ -0,0 +1,12 @@
+env:
+  browser: true
+  es6: true
+extends: standard
+globals:
+  $: readonly
+  Atomics: readonly
+  SharedArrayBuffer: readonly
+parserOptions:
+  ecmaVersion: 2018
+rules:
+  semi: [2, 'always']

lib/generators/auxiliary_rails/templates/stylelint/stylelintrc_template.yml

@@ -0,0 +1 @@
+extends: stylelint-config-standard