Add linters configuration

.github/workflows/linters.yml

@@ -0,0 +1,36 @@
+name: Linters
+
+on: pull_request
+
+env:
+  FORCE_COLOR: 1
+
+jobs:
+  rubocop:
+    name: Rubocop
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-ruby@v1
+        with:
+          ruby-version: 2.6.x
+      - name: Setup Rubocop
+        run: |
+          gem install --no-document rubocop:'~>0.81.0' # https://docs.rubocop.org/en/stable/installation/
+          [ -f .rubocop.yml ] || wget https://raw.githubusercontent.com/microverseinc/linters-config/master/ror/.rubocop.yml
+      - name: Rubocop Report
+        run: rubocop --color
+  stylelint:
+    name: Stylelint
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: "12.x"
+      - name: Setup Stylelint
+        run: |
+          npm install --save-dev [email protected] [email protected] [email protected]
+          [ -f .stylelintrc.json ] || wget https://raw.githubusercontent.com/microverseinc/linters-config/master/ror/.stylelintrc.json
+      - name: Stylelint Report
+        run: npx stylelint "**/*.{css,scss}"

.rubocop.yml

@@ -0,0 +1,59 @@
+AllCops:
+  Exclude:
+    - "db/**/*"
+    - "bin/*" 
+    - "config/**/*"
+    - "Guardfile"
+    - "Rakefile"
+    - "node_modules/**/*"
+
+  DisplayCopNames: true
+
+Layout/LineLength:
+  Max: 120
+Metrics/MethodLength:
+  Include:
+    - "app/controllers/*"
+    - "app/models/*"
+  Max: 20
+Metrics/AbcSize:
+  Include:
+    - "app/controllers/*"
+    - "app/models/*"
+  Max: 50
+Metrics/ClassLength:
+  Max: 150
+Metrics/BlockLength:
+  ExcludedMethods: ['describe']
+  Max: 30
+
+Style/Documentation:
+  Enabled: false
+Style/ClassAndModuleChildren:
+  Enabled: false
+Style/EachForSimpleLoop:
+  Enabled: false
+Style/AndOr:
+  Enabled: false
+Style/DefWithParentheses:
+  Enabled: false
+Style/FrozenStringLiteralComment:
+  EnforcedStyle: never
+
+Layout/HashAlignment:
+  EnforcedColonStyle: key
+Layout/ExtraSpacing:
+  AllowForAlignment: false
+Layout/MultilineMethodCallIndentation:
+  Enabled: true
+  EnforcedStyle: indented
+Lint/RaiseException:
+  Enabled: false
+Lint/StructNewOverride:
+  Enabled: false
+Style/HashEachMethods:
+  Enabled: false
+Style/HashTransformKeys:
+  Enabled: false
+Style/HashTransformValues:
+  Enabled: false

.stylelintrc.json

@@ -0,0 +1,14 @@
+{
+  "extends": ["stylelint-config-standard"],
+  "plugins": ["stylelint-scss"],
+  "rules": {
+    "at-rule-no-unknown": null,
+    "scss/at-rule-no-unknown": true
+  },
+  "ignoreFiles": [
+    "build/**",
+    "dist/**",
+    "**/reset*.css",
+    "**/bootstrap*.css"
+  ]
+}

Gemfile

@@ -30,17 +30,18 @@ gem 'bootsnap', '>= 1.4.2', require: false
 
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
-  gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
+  gem 'byebug', platforms: %i[mri mingw x64_mingw]
+  gem 'rubocop', '~>0.8'
 end
 
 group :development do
   # Access an interactive console on exception pages or by calling 'console' anywhere in the code.
-  gem 'web-console', '>= 3.3.0'
   gem 'listen', '~> 3.2'
+  gem 'web-console', '>= 3.3.0'
   # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
   gem 'spring'
   gem 'spring-watcher-listen', '~> 2.0.0'
 end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
-gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+gem 'tzinfo-data', platforms: %i[mingw mswin x64_mingw jruby]

Gemfile.lock

@@ -56,6 +56,7 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2, >= 2.2.2)
+    ast (2.4.0)
     bindex (0.8.1)
     bootsnap (1.4.6)
       msgpack (~> 1.0)
@@ -90,6 +91,9 @@ GEM
     nio4r (2.5.2)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
+    parallel (1.19.1)
+    parser (2.7.1.3)
+      ast (~> 2.4.0)
     pg (1.2.3)
     puma (4.3.5)
       nio4r (~> 2.0)
@@ -124,10 +128,25 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.20.3, < 2.0)
+    rainbow (3.0.0)
     rake (13.0.1)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
+    regexp_parser (1.7.1)
+    rexml (3.2.4)
+    rubocop (0.85.1)
+      parallel (~> 1.10)
+      parser (>= 2.7.0.1)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.7)
+      rexml
+      rubocop-ast (>= 0.0.3)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 1.4.0, < 2.0)
+    rubocop-ast (0.0.3)
+      parser (>= 2.7.0.1)
+    ruby-progressbar (1.10.1)
     sass-rails (6.0.0)
       sassc-rails (~> 2.1, >= 2.1.1)
     sassc (2.4.0)
@@ -157,6 +176,7 @@ GEM
     turbolinks-source (5.2.0)
     tzinfo (1.2.7)
       thread_safe (~> 0.1)
+    unicode-display_width (1.7.0)
     web-console (4.0.2)
       actionview (>= 6.0.0)
       activemodel (>= 6.0.0)
@@ -182,6 +202,7 @@ DEPENDENCIES
   pg (>= 0.18, < 2.0)
   puma (~> 4.1)
   rails (~> 6.0.3, >= 6.0.3.1)
+  rubocop (~> 0.8)
   sass-rails (>= 6)
   spring
   spring-watcher-listen (~> 2.0.0)