ruby: include Rubocop

We use a fair bit of Ruby logic here and there so until this website
disappears (not soon), we might as well ensure we're hacking as one.

.rubocop.yml

@@ -0,0 +1,18 @@
+inherit_from: .rubocop_todo.yml
+
+# The behavior of RuboCop can be controlled via the .rubocop.yml
+# configuration file. It makes it possible to enable/disable
+# certain cops (checks) and to alter their behavior if they accept
+# any parameters. The file can be placed either in your home
+# directory or in some project directory.
+#
+# RuboCop will start looking for the configuration file in the directory
+# where the inspected file is and continue its way up to the root directory.
+#
+# See https://docs.rubocop.org/rubocop/configuration
+require:
+  - rubocop-rspec
+  - rubocop-rake
+
+AllCops:
+  NewCops: enable

.rubocop_todo.yml

@@ -0,0 +1,176 @@
+# This configuration was generated by
+# `rubocop --auto-gen-config`
+# on 2024-10-16 07:34:36 UTC using RuboCop version 1.66.1.
+# The point is for the user to remove these configuration records
+# one by one as the offenses are removed from the code base.
+# Note that changes in the inspected code, or installation of new
+# versions of RuboCop, may require this file to be generated again.
+
+# Offense count: 2
+# This cop supports safe autocorrection (--autocorrect).
+Lint/AmbiguousOperator:
+  Exclude:
+    - 'spec/lib/models/member_spec.rb'
+
+# Offense count: 2
+# Configuration parameters: DebuggerMethods, DebuggerRequires.
+Lint/Debugger:
+  Exclude:
+    - '_site/bin/beta-rb'
+    - 'bin/beta-rb'
+
+# Offense count: 2
+# This cop supports safe autocorrection (--autocorrect).
+# Configuration parameters: AllowPercentLiteralArrayArgument.
+Lint/RedundantSplatExpansion:
+  Exclude:
+    - 'spec/lib/models/member_spec.rb'
+
+# Offense count: 2
+Lint/ShadowingOuterLocalVariable:
+  Exclude:
+    - '_site/bin/htmlproofer'
+    - 'bin/htmlproofer'
+
+# Offense count: 6
+# Configuration parameters: AllowedMethods, AllowedPatterns, CountRepeatedAttributes.
+Metrics/AbcSize:
+  Max: 108
+
+# Offense count: 1
+# Configuration parameters: CountComments, CountAsOne, AllowedMethods, AllowedPatterns, inherit_mode.
+# AllowedMethods: refine
+Metrics/BlockLength:
+  Max: 42
+
+# Offense count: 3
+# Configuration parameters: AllowedMethods, AllowedPatterns.
+Metrics/CyclomaticComplexity:
+  Max: 26
+
+# Offense count: 7
+# Configuration parameters: CountComments, CountAsOne, AllowedMethods, AllowedPatterns.
+Metrics/MethodLength:
+  Max: 67
+
+# Offense count: 3
+# Configuration parameters: AllowedMethods, AllowedPatterns.
+Metrics/PerceivedComplexity:
+  Max: 28
+
+# Offense count: 2
+# Configuration parameters: ForbiddenDelimiters.
+# ForbiddenDelimiters: (?i-mx:(^|\s)(EO[A-Z]{1}|END)(\s|$))
+Naming/HeredocDelimiterNaming:
+  Exclude:
+    - '_site/bin/beta-rb'
+    - 'bin/beta-rb'
+
+# Offense count: 45
+# Configuration parameters: EnforcedStyle, AllowedIdentifiers, AllowedPatterns.
+# SupportedStyles: snake_case, camelCase
+Naming/VariableName:
+  Exclude:
+    - '_plugins/community.rb'
+    - '_plugins/incubators.rb'
+    - '_plugins/sponsors.rb'
+    - '_plugins/startups.rb'
+
+# Offense count: 2
+# This cop supports safe autocorrection (--autocorrect).
+RSpec/ContainExactly:
+  Exclude:
+    - 'spec/lib/models/member_spec.rb'
+
+# Offense count: 4
+# Configuration parameters: Prefixes, AllowedPatterns.
+# Prefixes: when, with, without
+RSpec/ContextWording:
+  Exclude:
+    - 'spec/plugins/startup_spec.rb'
+    - 'spec/spec_helper.rb'
+
+# Offense count: 4
+# Configuration parameters: AllowedGroups.
+RSpec/NestedGroups:
+  Max: 4
+
+# Offense count: 4
+# Configuration parameters: Include, CustomTransform, IgnoreMethods, IgnoreMetadata.
+# Include: **/*_spec.rb
+RSpec/SpecFilePathFormat:
+  Exclude:
+    - '**/spec/routing/**/*'
+    - 'spec/lib/models/member_spec.rb'
+    - 'spec/plugins/community_spec.rb'
+    - 'spec/plugins/money_spec.rb'
+    - 'spec/plugins/startup_spec.rb'
+
+# Offense count: 1
+# This cop supports safe autocorrection (--autocorrect).
+Rake/Desc:
+  Exclude:
+    - 'Rakefile'
+
+# Offense count: 1
+# This cop supports safe autocorrection (--autocorrect).
+# Configuration parameters: AllowOnConstant, AllowOnSelfClass.
+Style/CaseEquality:
+  Exclude:
+    - '_plugins/incubators.rb'
+
+# Offense count: 17
+# Configuration parameters: AllowedConstants.
+Style/Documentation:
+  Exclude:
+    - 'spec/**/*'
+    - 'test/**/*'
+    - '_plugins/community.rb'
+    - '_plugins/content_url_encoded_markdown.rb'
+    - '_plugins/dates.rb'
+    - '_plugins/images.rb'
+    - '_plugins/incubators.rb'
+    - '_plugins/national_impact.rb'
+    - '_plugins/phases.rb'
+    - '_plugins/sponsors.rb'
+    - '_plugins/startup.rb'
+    - '_plugins/startups.rb'
+    - '_site/bin/beta-rb'
+    - 'bin/beta-rb'
+    - 'lib/htmlproofer/check_img_http.rb'
+    - 'lib/models/member.rb'
+
+# Offense count: 1
+Style/OpenStructUse:
+  Exclude:
+    - 'spec/plugins/community_spec.rb'
+
+# Offense count: 1
+# Configuration parameters: AllowedMethods.
+# AllowedMethods: respond_to_missing?
+Style/OptionalBooleanParameter:
+  Exclude:
+    - '_plugins/startup.rb'
+
+# Offense count: 32
+# This cop supports safe autocorrection (--autocorrect).
+# Configuration parameters: EnforcedStyle, ConsistentQuotesInMultiline.
+# SupportedStyles: single_quotes, double_quotes
+Style/StringLiterals:
+  Exclude:
+    - 'spec/lib/models/member_spec.rb'
+
+# Offense count: 4
+# This cop supports safe autocorrection (--autocorrect).
+# Configuration parameters: WordRegex.
+# SupportedStyles: percent, brackets
+Style/WordArray:
+  EnforcedStyle: percent
+  MinSize: 4
+
+# Offense count: 4
+# This cop supports safe autocorrection (--autocorrect).
+# Configuration parameters: AllowHeredoc, AllowURI, URISchemes, IgnoreCopDirectives, AllowedPatterns.
+# URISchemes: http, https
+Layout/LineLength:
+  Max: 150

Gemfile

@@ -1,17 +1,25 @@
-source "https://rubygems.org"
+# frozen_string_literal: true
 
-ruby "3.3.4"
+source 'https://rubygems.org'
 
-gem "base64"
-gem "csv"
-gem "jekyll"
+ruby '3.3.4'
 
-gem "activemodel"
+gem 'base64'
+gem 'csv'
+gem 'jekyll'
+
+gem 'activemodel'
 
 group :jekyll_plugins do
   gem 'jekyll-redirect-from'
 end
 
+group :test, :development do
+  gem 'rubocop'
+  gem 'rubocop-rake'
+  gem 'rubocop-rspec'
+end
+
 group :test do
   gem 'debug'
   gem 'guard'
@@ -23,10 +31,10 @@ group :test do
   gem 'rspec'
 end
 
-gem 'rake', group: [:default, :test]
+gem 'rake', group: %i[default test]
 
 # 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]
 
 # Performance-booster for watching directories on Windows
-gem "wdm", "~> 0.1.0" if Gem.win_platform?
+gem 'wdm', '~> 0.1.0' if Gem.win_platform?

Gemfile.lock

@@ -18,6 +18,7 @@ GEM
     addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
     afm (0.2.2)
+    ast (2.4.2)
     async (2.11.0)
       console (~> 1.25, >= 1.25.2)
       fiber-annotation
@@ -124,6 +125,7 @@ GEM
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     kwalify (0.7.2)
+    language_server-protocol (3.17.0.3)
     liquid (4.0.4)
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
@@ -149,6 +151,10 @@ GEM
       addressable
       nokogiri
     optimist (3.1.0)
+    parallel (1.26.3)
+    parser (3.3.5.0)
+      ast (~> 2.4.1)
+      racc
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     pdf-reader (2.12.0)
@@ -171,6 +177,7 @@ GEM
       ffi (~> 1.0)
     rdoc (6.7.0)
       psych (>= 4.0.0)
+    regexp_parser (2.9.2)
     reline (0.5.8)
       io-console (~> 0.5)
     rexml (3.2.8)
@@ -189,6 +196,23 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.1)
+    rubocop (1.66.1)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.4, < 3.0)
+      rubocop-ast (>= 1.32.2, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.32.3)
+      parser (>= 3.3.1.0)
+    rubocop-rake (0.6.0)
+      rubocop (~> 1.0)
+    rubocop-rspec (3.0.5)
+      rubocop (~> 1.61)
+    ruby-progressbar (1.13.0)
     ruby-rc4 (0.1.5)
     safe_yaml (1.0.5)
     sass-embedded (1.77.4-aarch64-linux-gnu)
@@ -236,6 +260,9 @@ DEPENDENCIES
   opengraph_parser
   rake
   rspec
+  rubocop
+  rubocop-rake
+  rubocop-rspec
   tzinfo-data
 
 RUBY VERSION

Guardfile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # More info at https://github.com/guard/guard#readme
 
 guard :rspec, cmd: 'bundle exec rspec' do

Rakefile

@@ -1,4 +1,5 @@
-task "assets:precompile" do
-  exec("jekyll build")
-end
+# frozen_string_literal: true
 
+task 'assets:precompile' do
+  exec('jekyll build')
+end