Adopt StandardRB

.github/workflows/test.yml

@@ -17,3 +17,5 @@ jobs:
           bundler-cache: true
       - name: RSpec
         run: bundle exec rspec
+      - name: Standard
+        run: bundle exec standardrb --no-fix

.standard.yml

@@ -0,0 +1,2 @@
+fix: true
+parallel: true

Gemfile

@@ -1,4 +1,4 @@
-source 'https://rubygems.org'
+source "https://rubygems.org"
 
 # Specify your gem's dependencies in simplify_rb.gemspec
 gemspec

Gemfile.lock

@@ -6,8 +6,20 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
+    ast (2.4.3)
     diff-lcs (1.6.2)
+    json (2.15.1)
+    language_server-protocol (3.17.0.5)
+    lint_roller (1.1.0)
+    parallel (1.27.0)
+    parser (3.3.9.0)
+      ast (~> 2.4.1)
+      racc
+    prism (1.6.0)
+    racc (1.8.1)
+    rainbow (3.1.1)
     rake (13.3.0)
+    regexp_parser (2.11.3)
     rspec (3.13.2)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -21,6 +33,40 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.6)
+    rubocop (1.80.2)
+      json (~> 2.3)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.46.0, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.47.1)
+      parser (>= 3.3.7.2)
+      prism (~> 1.4)
+    rubocop-performance (1.25.0)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.38.0, < 2.0)
+    ruby-progressbar (1.13.0)
+    standard (1.51.1)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.0)
+      rubocop (~> 1.80.2)
+      standard-custom (~> 1.0.0)
+      standard-performance (~> 1.8)
+    standard-custom (1.0.2)
+      lint_roller (~> 1.0)
+      rubocop (~> 1.50)
+    standard-performance (1.8.0)
+      lint_roller (~> 1.1)
+      rubocop-performance (~> 1.25.0)
+    unicode-display_width (3.2.0)
+      unicode-emoji (~> 4.1)
+    unicode-emoji (4.1.0)
 
 PLATFORMS
   arm64-darwin-24
@@ -30,6 +76,7 @@ DEPENDENCIES
   rake
   rspec
   simplify_rb!
+  standard
 
 BUNDLED WITH
    2.7.2

Rakefile

@@ -1,5 +1,5 @@
-require 'bundler/gem_tasks'
-require 'rspec/core/rake_task'
+require "bundler/gem_tasks"
+require "rspec/core/rake_task"
 
 RSpec::Core::RakeTask.new(:spec)
 task default: [:spec]

example/example.rb

@@ -1,8 +1,8 @@
-require 'simplify_rb'
+require "simplify_rb"
 
 points = [
-  { x: 51.5256, y: -0.0875 },
-  { x: 51.7823, y: -0.0912 }
+  {x: 51.5256, y: -0.0875},
+  {x: 51.7823, y: -0.0912}
 ]
 tolerance = 1
 high_quality = true

lib/simplify_rb.rb

@@ -1,12 +1,12 @@
-require 'simplify_rb/version'
-require 'simplify_rb/point'
-require 'simplify_rb/radial_distance_simplifier'
-require 'simplify_rb/douglas_peucker_simplifier'
+require "simplify_rb/version"
+require "simplify_rb/point"
+require "simplify_rb/radial_distance_simplifier"
+require "simplify_rb/douglas_peucker_simplifier"
 
 module SimplifyRb
   class Simplifier
     def process(raw_points, tolerance = 1, highest_quality = false)
-      raise ArgumentError.new('raw_points must be enumerable') unless raw_points.is_a? Enumerable
+      raise ArgumentError.new("raw_points must be enumerable") unless raw_points.is_a? Enumerable
 
       return raw_points if raw_points.length <= 1
 

lib/simplify_rb/douglas_peucker_simplifier.rb

@@ -4,7 +4,7 @@ module SimplifyRb
   class DouglasPeuckerSimplifier
     def process(points, sq_tolerance)
       points.first.keep = true
-      points.last.keep  = true
+      points.last.keep = true
 
       simplify_douglas_peucker(points, sq_tolerance)
         .select(&:keep)
@@ -16,7 +16,7 @@ def process(points, sq_tolerance)
 
     def simplify_douglas_peucker(points, sq_tolerance)
       first_i = 0
-      last_i  = points.length - 1
+      last_i = points.length - 1
       index = nil
       stack = []
 
@@ -55,8 +55,8 @@ def calc_max_sq_dist(first_i, last_i, points)
 
     # Square distance from a point to a segment
     def get_sq_seg_dist(point, point_1, point_2)
-      x  = point_1.x
-      y  = point_1.y
+      x = point_1.x
+      y = point_1.y
       dx = point_2.x - x
       dy = point_2.y - y
 

lib/simplify_rb/point.rb

@@ -21,16 +21,16 @@ def parse_x_y(raw_point)
       x = nil
       y = nil
 
-      if raw_point.kind_of? Hash
-        x = raw_point[:x] || raw_point['x']
-        y = raw_point[:y] || raw_point['y']
+      if raw_point.is_a? Hash
+        x = raw_point[:x] || raw_point["x"]
+        y = raw_point[:y] || raw_point["y"]
       elsif raw_point.respond_to?(:x) && raw_point.respond_to?(:y)
         x = raw_point.x
         y = raw_point.y
       end
 
       if x.nil? || y.nil?
-        raise ArgumentError.new('Points must have :x and :y values')
+        raise ArgumentError.new("Points must have :x and :y values")
       end
 
       [x, y]

simplify_rb.gemspec

@@ -1,22 +1,21 @@
-# coding: utf-8
-lib = File.expand_path('../lib', __FILE__)
+lib = File.expand_path("../lib", __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
-require 'simplify_rb/version'
+require "simplify_rb/version"
 
 Gem::Specification.new do |spec|
-  spec.name          = 'simplify_rb'
-  spec.version       = SimplifyRb::VERSION
-  spec.authors       = ['odlp']
-  spec.description   = 'You can use this gem to reduce the number of points in a complex polyline / polygon, making use of an optimized Douglas-Peucker algorithm. Ruby port of Simplify.js.'
-  spec.summary       = 'Polyline simplification library. Ruby port of Simplify.js.'
-  spec.homepage      = 'https://github.com/odlp/simplify_rb'
-  spec.license       = 'MIT'
+  spec.name = "simplify_rb"
+  spec.version = SimplifyRb::VERSION
+  spec.authors = ["odlp"]
+  spec.description = "You can use this gem to reduce the number of points in a complex polyline / polygon, making use of an optimized Douglas-Peucker algorithm. Ruby port of Simplify.js."
+  spec.summary = "Polyline simplification library. Ruby port of Simplify.js."
+  spec.homepage = "https://github.com/odlp/simplify_rb"
+  spec.license = "MIT"
 
-  spec.files         = `git ls-files`.split($/)
-  spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
-  spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
-  spec.require_paths = ['lib']
+  spec.files = `git ls-files`.split($/)
+  spec.executables = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
+  spec.require_paths = ["lib"]
 
-  spec.add_development_dependency 'rake'
-  spec.add_development_dependency 'rspec'
+  spec.add_development_dependency "rake"
+  spec.add_development_dependency "rspec"
+  spec.add_development_dependency "standard"
 end

spec/simplify_rb/point_spec.rb

@@ -1,20 +1,20 @@
-require 'simplify_rb/point'
+require "simplify_rb/point"
 
 RSpec.describe SimplifyRb::Point do
-  describe 'parsing hashes with string keys' do
-    it 'determines the :x, :y value' do
-      raw_point = { "x" => 51.5256, "y" => -0.0875 }
+  describe "parsing hashes with string keys" do
+    it "determines the :x, :y value" do
+      raw_point = {"x" => 51.5256, "y" => -0.0875}
       point = described_class.new(raw_point)
 
       expect(point.x).to eq(51.5256)
       expect(point.y).to eq(-0.0875)
     end
   end
 
-  describe 'parsing structs' do
-    it 'determines the :x, :y value' do
-      CustomPointStruct = Struct.new(:x, :y)
-      raw_point = CustomPointStruct.new(51.5256, -0.0875)
+  describe "parsing structs" do
+    it "determines the :x, :y value" do
+      custom_point_struct = Struct.new(:x, :y)
+      raw_point = custom_point_struct.new(51.5256, -0.0875)
 
       point = described_class.new(raw_point)
 
@@ -23,9 +23,9 @@
     end
   end
 
-  describe 'handling raw points which are objects' do
-    it 'determines the :x, :y value' do
-      class MyCustomPoint
+  describe "handling raw points which are objects" do
+    it "determines the :x, :y value" do
+      my_custom_point = define_class("MyCustomPoint") do
         attr_reader :x, :y
 
         def initialize(x, y)
@@ -34,7 +34,7 @@ def initialize(x, y)
         end
       end
 
-      raw_point = MyCustomPoint.new(51.5256, -0.0875)
+      raw_point = my_custom_point.new(51.5256, -0.0875)
 
       point = described_class.new(raw_point)
 
@@ -43,17 +43,17 @@ def initialize(x, y)
     end
   end
 
-  describe 'missing x/y values' do
-    it 'raises an error if the points are missing keys' do
-      invalid_point = { Z: 51.5256, y: -0.0875 }
-      expect { described_class.new(invalid_point) }.to raise_error(ArgumentError, 'Points must have :x and :y values')
+  describe "missing x/y values" do
+    it "raises an error if the points are missing keys" do
+      invalid_point = {Z: 51.5256, y: -0.0875}
+      expect { described_class.new(invalid_point) }.to raise_error(ArgumentError, "Points must have :x and :y values")
 
-      invalid_point = { x: 51.5256, Z: -0.0875 }
-      expect { described_class.new(invalid_point) }.to raise_error(ArgumentError, 'Points must have :x and :y values')
+      invalid_point = {x: 51.5256, Z: -0.0875}
+      expect { described_class.new(invalid_point) }.to raise_error(ArgumentError, "Points must have :x and :y values")
     end
 
-    it 'raises an error if points don\'t respond to x / y' do
-      class UnconventialPoint
+    it "raises an error if points don't respond to x / y" do
+      unconvention_point = define_class("UnconventionPoint") do
         attr_reader :a, :b
 
         def initialize(a, b)
@@ -62,8 +62,16 @@ def initialize(a, b)
         end
       end
 
-      invalid_point = UnconventialPoint.new(51.5256, -0.0875)
-      expect { described_class.new(invalid_point) }.to raise_error(ArgumentError, 'Points must have :x and :y values')
+      invalid_point = unconvention_point.new(51.5256, -0.0875)
+      expect { described_class.new(invalid_point) }.to raise_error(ArgumentError, "Points must have :x and :y values")
     end
   end
+
+  private
+
+  def define_class(name, &block)
+    const = stub_const(name, Class.new)
+    const.class_eval(&block) if block_given?
+    const
+  end
 end