Update dev deps and drop Ruby 2.x support (#6)

Author: raymondjavaxx

.github/workflows/ci.yml

@@ -1,21 +1,22 @@
 name: CI
 on:
   push:
-    branches: "*"
+    branches:
+      - "*"
   pull_request:
-    branches: "*"
+    branches:
+      - "*"
 jobs:
   test:
     runs-on: ubuntu-latest
     strategy:
       matrix:
         ruby-version:
-          - "2.6"
-          - "2.7"
           - "3.0"
           - "3.1"
           - "3.2"
           - "3.3"
+          - "3.4"
     steps:
       - uses: actions/checkout@v4
       - name: Set up Ruby

.rubocop.yml

@@ -1,9 +1,9 @@
-require:
+plugins:
   - rubocop-rake
   - rubocop-minitest
 
 AllCops:
-  TargetRubyVersion: 2.6
+  TargetRubyVersion: 3.0
   NewCops: enable
 
 Style/StringLiterals:
@@ -42,3 +42,6 @@ Minitest/AssertInDelta:
 
 Gemspec/DevelopmentDependencies:
   EnforcedStyle: gemspec
+
+Style/MapIntoArray:
+  Enabled: false

Gemfile.lock

@@ -6,56 +6,66 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    ast (2.4.2)
-    docile (1.4.0)
-    json (2.7.1)
-    minitest (5.22.2)
-    parallel (1.24.0)
-    parser (3.3.0.5)
+    ast (2.4.3)
+    docile (1.4.1)
+    json (2.11.3)
+    language_server-protocol (3.17.0.4)
+    lint_roller (1.1.0)
+    minitest (5.25.5)
+    parallel (1.27.0)
+    parser (3.3.8.0)
       ast (~> 2.4.1)
       racc
-    racc (1.7.3)
+    prism (1.4.0)
+    racc (1.8.1)
     rainbow (3.1.1)
-    rake (13.1.0)
-    regexp_parser (2.9.0)
-    rexml (3.2.6)
-    rubocop (1.50.2)
+    rake (13.2.1)
+    regexp_parser (2.10.0)
+    rubocop (1.75.5)
       json (~> 2.3)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
       parallel (~> 1.10)
-      parser (>= 3.2.0.0)
+      parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8, < 3.0)
-      rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.28.0, < 2.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.44.0, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.30.0)
-      parser (>= 3.2.1.0)
-    rubocop-minitest (0.30.0)
-      rubocop (>= 1.39, < 2.0)
-    rubocop-rake (0.6.0)
-      rubocop (~> 1.0)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.44.1)
+      parser (>= 3.3.7.2)
+      prism (~> 1.4)
+    rubocop-minitest (0.38.0)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.38.0, < 2.0)
+    rubocop-rake (0.7.1)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.72.1)
     ruby-progressbar (1.13.0)
     simplecov (0.22.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
       simplecov_json_formatter (~> 0.1)
-    simplecov-html (0.12.3)
+    simplecov-html (0.13.1)
     simplecov_json_formatter (0.1.4)
-    unicode-display_width (2.5.0)
+    unicode-display_width (3.1.4)
+      unicode-emoji (~> 4.0, >= 4.0.4)
+    unicode-emoji (4.0.4)
 
 PLATFORMS
+  arm64-darwin-22
   ruby
 
 DEPENDENCIES
   bundler
   dotstrings!
-  minitest (~> 5.14)
+  minitest (~> 5.25)
   rake
-  rubocop (~> 1.50.2)
-  rubocop-minitest (~> 0.30.0)
+  rubocop (~> 1.75)
+  rubocop-minitest (~> 0.38)
   rubocop-rake
   simplecov
 
 BUNDLED WITH
-   2.2.18
+   2.4.22

dotstrings.gemspec

@@ -15,13 +15,13 @@ Gem::Specification.new do |s|
   s.license = 'MIT'
 
   s.add_development_dependency 'bundler'
-  s.add_development_dependency 'minitest', '~> 5.14'
+  s.add_development_dependency 'minitest', '~> 5.25'
   s.add_development_dependency 'rake'
-  s.add_development_dependency 'rubocop', '~> 1.50.2'
-  s.add_development_dependency 'rubocop-minitest', '~> 0.30.0'
+  s.add_development_dependency 'rubocop', '~> 1.75'
+  s.add_development_dependency 'rubocop-minitest', '~> 0.38'
   s.add_development_dependency 'rubocop-rake'
   s.add_development_dependency 'simplecov'
 
-  s.required_ruby_version = '>= 2.6.0'
+  s.required_ruby_version = '>= 3.0.0'
   s.metadata['rubygems_mfa_required'] = 'true'
 end

lib/dotstrings/parser.rb

@@ -25,7 +25,7 @@ class Parser
     TOK_T            = 't'
     TOK_CAP_U        = 'U'
     TOK_ZERO         = '0'
-    TOK_HEX_DIGIT    = /[0-9a-fA-F]/.freeze
+    TOK_HEX_DIGIT    = /[0-9a-fA-F]/
 
     # States
     STATE_START               = 0
@@ -232,7 +232,7 @@ def parse_unicode(ch, &block)
 
       codepoint = @unicode_buffer.join.hex
 
-      if codepoint >= 0xD800 && codepoint <= 0xDBFF
+      if codepoint.between?(0xD800, 0xDBFF)
         unless @high_surrogate.nil?
           raise_error(
             'Found a high surrogate code point after another high surrogate'
@@ -241,7 +241,7 @@ def parse_unicode(ch, &block)
 
         @high_surrogate = codepoint
         @state = STATE_UNICODE_SURROGATE
-      elsif codepoint >= 0xDC00 && codepoint <= 0xDFFF
+      elsif codepoint.between?(0xDC00, 0xDFFF)
         if @high_surrogate.nil?
           raise_error(
             'Found a low surrogate code point before a high surrogate'