Enable frozen string literals

Additionally, tested locally with

```
RUBYOPT="--enable-frozen-string-literal --debug-frozen-string-literal" bundle exec rspec
```

Author: tagliala

.rubocop_todo.yml

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in inline_svg.gemspec

Gemfile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
 

Rakefile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require_relative "inline_svg/version"
 require_relative "inline_svg/action_view/helpers"
 require_relative "inline_svg/asset_file"

lib/inline_svg.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'action_view/helpers' if defined?(Rails)
 require 'action_view/context' if defined?(Rails)
 

lib/inline_svg/action_view/helpers.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg
   class AssetFile
     class FileNotFound < IOError; end

lib/inline_svg/asset_file.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg
   class FindsAssetPaths
     def self.by_filename(filename)

lib/inline_svg/finds_asset_paths.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'digest'
 
 module InlineSvg

lib/inline_svg/id_generator.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg
   module IOResource
     def self.===(object)

lib/inline_svg/io_resource.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg
   class PropshaftAssetFinder
     def self.find_asset(filename)

lib/inline_svg/propshaft_asset_finder.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails/railtie'
 module InlineSvg
   class Railtie < ::Rails::Railtie

lib/inline_svg/railtie.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "pathname"
 
 # Naive fallback asset finder for when sprockets >= 3.0 &&

lib/inline_svg/static_asset_finder.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg
   module TransformPipeline
     def self.generate_html_from(svg_file, transform_params)

lib/inline_svg/transform_pipeline.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline::Transformations
   # Transformations are run in priority order, lowest number first:
   def self.built_in_transformations

lib/inline_svg/transform_pipeline/transformations.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline::Transformations
   class AriaAttributes < Transformation
     def transform(doc)

lib/inline_svg/transform_pipeline/transformations/aria_attributes.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline::Transformations
   class AriaHidden < Transformation
     def transform(doc)

lib/inline_svg/transform_pipeline/transformations/aria_hidden.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline::Transformations
   class AriaHiddenAttribute < Transformation
     def transform(doc)

lib/inline_svg/transform_pipeline/transformations/aria_hidden_attribute.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline::Transformations
   class ClassAttribute < Transformation
     def transform(doc)

lib/inline_svg/transform_pipeline/transformations/class_attribute.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline::Transformations
   class DataAttributes < Transformation
     def transform(doc)

lib/inline_svg/transform_pipeline/transformations/data_attributes.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline::Transformations
   class Description < Transformation
     def transform(doc)

lib/inline_svg/transform_pipeline/transformations/description.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline::Transformations
   class Height < Transformation
     def transform(doc)

lib/inline_svg/transform_pipeline/transformations/height.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline::Transformations
   class IdAttribute < Transformation
     def transform(doc)

lib/inline_svg/transform_pipeline/transformations/id_attribute.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline
   module Transformations
     class NoComment < Transformation

lib/inline_svg/transform_pipeline/transformations/no_comment.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline::Transformations
   class PreserveAspectRatio < Transformation
     def transform(doc)

lib/inline_svg/transform_pipeline/transformations/preserve_aspect_ratio.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline::Transformations
   class Size < Transformation
     def transform(doc)

lib/inline_svg/transform_pipeline/transformations/size.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline::Transformations
   class StyleAttribute < Transformation
     def transform(doc)

lib/inline_svg/transform_pipeline/transformations/style_attribute.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline::Transformations
   class Title < Transformation
     def transform(doc)

lib/inline_svg/transform_pipeline/transformations/title.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline::Transformations
   class Transformation
     def self.create_with_value(value)

lib/inline_svg/transform_pipeline/transformations/transformation.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline::Transformations
   class ViewBox < Transformation
     def transform(doc)

lib/inline_svg/transform_pipeline/transformations/view_box.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg::TransformPipeline::Transformations
   class Width < Transformation
     def transform(doc)

lib/inline_svg/transform_pipeline/transformations/width.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg
   VERSION = "2.0.0"
 end

lib/inline_svg/version.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module InlineSvg
   class WebpackAssetFinder
     def self.find_asset(filename)

lib/inline_svg/webpack_asset_finder.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "inline_svg/finds_asset_paths"
 require "inline_svg/asset_file"
 

spec/asset_file_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'pathname'
 require "inline_svg"
 

spec/finds_asset_paths_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'inline_svg'
 
 class WorkingCustomTransform < InlineSvg::CustomTransformation

spec/helpers/inline_svg_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "inline_svg/id_generator"
 
 describe InlineSvg::IdGenerator do

spec/id_generator_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "inline_svg"
 
 class MyCustomTransform

spec/inline_svg_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "inline_svg"
 require "stringio"
 require "tempfile"
@@ -60,7 +62,7 @@
     context 'IO object' do
       let(:answer) { 'read' }
       let(:rio) { StringIO.new(answer, 'r') }
-      let(:wio) { StringIO.new('write', 'w') }
+      let(:wio) { StringIO.new(+'write', 'w') }
 
       instance_exec(&tests)
     end

spec/io_resource_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "inline_svg"
 
 describe InlineSvg::PropshaftAssetFinder do

spec/propshaft_asset_finder_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "inline_svg"
 
 describe InlineSvg::StaticAssetFinder do

spec/static_asset_finder_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "inline_svg/transform_pipeline"
 
 describe InlineSvg::TransformPipeline::Transformations::AriaAttributes do

spec/transformation_pipeline/transformations/aria_attributes_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'inline_svg/transform_pipeline'
 
 describe InlineSvg::TransformPipeline::Transformations::AriaHiddenAttribute do

spec/transformation_pipeline/transformations/aria_hidden_attribute_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "inline_svg/transform_pipeline"
 
 describe InlineSvg::TransformPipeline::Transformations::ClassAttribute do

spec/transformation_pipeline/transformations/class_attribute_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'inline_svg/transform_pipeline'
 
 describe InlineSvg::TransformPipeline::Transformations::DataAttributes do

spec/transformation_pipeline/transformations/data_attributes_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'inline_svg/transform_pipeline'
 
 describe InlineSvg::TransformPipeline::Transformations::Description do

spec/transformation_pipeline/transformations/description_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'inline_svg/transform_pipeline'
 
 describe InlineSvg::TransformPipeline::Transformations::Height do

spec/transformation_pipeline/transformations/height_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'inline_svg/transform_pipeline'
 
 describe InlineSvg::TransformPipeline::Transformations::IdAttribute do

spec/transformation_pipeline/transformations/id_attribute_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'inline_svg/transform_pipeline'
 
 describe InlineSvg::TransformPipeline::Transformations::PreserveAspectRatio do

spec/transformation_pipeline/transformations/preserve_aspect_ratio_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'inline_svg/transform_pipeline'
 
 describe InlineSvg::TransformPipeline::Transformations::Size do

spec/transformation_pipeline/transformations/size_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "inline_svg/transform_pipeline"
 
 describe InlineSvg::TransformPipeline::Transformations::ClassAttribute do

spec/transformation_pipeline/transformations/style_attribute_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'inline_svg/transform_pipeline'
 
 describe InlineSvg::TransformPipeline::Transformations::Title do

spec/transformation_pipeline/transformations/title_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'inline_svg'
 require 'inline_svg/transform_pipeline'
 

spec/transformation_pipeline/transformations/transformation_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'inline_svg/transform_pipeline'
 
 describe InlineSvg::TransformPipeline::Transformations::ViewBox do

spec/transformation_pipeline/transformations/view_box_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'inline_svg/transform_pipeline'
 
 describe InlineSvg::TransformPipeline::Transformations::Width do

spec/transformation_pipeline/transformations/width_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'inline_svg'
 require 'inline_svg/transform_pipeline'
 

spec/transformation_pipeline/transformations_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "inline_svg"
 
 describe InlineSvg::WebpackAssetFinder do