Drop support for Rails v6.1 (#75)

Rails v6.1 has reached EOL as of October 1st, 2024, so we'll drop
support for it and raise the minimum version of Ruby to v2.7.

See this for more information: https://endoflife.date/rails.

.github/workflows/unit-tests.yml

@@ -12,7 +12,6 @@ jobs:
       matrix:
         ruby: ["3.0", "3.1", "3.2", "3.3"]
         gemfile: [
-          dev/gemfiles/rails-6.1.x.gemfile,
           dev/gemfiles/rails-7.0.x.gemfile,
           dev/gemfiles/rails-7.1.x.gemfile,
           Gemfile

CHANGELOG.md

@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+### Fixed
+
+* Drop support for Rails < 7.0 (TODO: add PR number)
+
 ## Version 2.3.0 (2024-08-23)
 
 ### Fixed

Gemfile.lock

@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     cocooned (2.3.0)
-      rails (>= 6.1, <= 8.0)
+      rails (>= 7.0, <= 8.0)
 
 GEM
   remote: https://rubygems.org/

README.md

@@ -5,7 +5,7 @@
 
 Cocooned makes it easier to handle nested forms in Rails.
 
-Cocooned is form builder-agnostic: it works with standard Rails (>= 6.1, < 8.0) form helpers, [Formtastic](https://github.com/justinfrench/formtastic) or [SimpleForm](https://github.com/plataformatec/simple_form).
+Cocooned is form builder-agnostic: it works with standard Rails (>= 7.0, < 8.0) form helpers, [Formtastic](https://github.com/justinfrench/formtastic) or [SimpleForm](https://github.com/plataformatec/simple_form).
 
 1. [Background](#some-background)
 2. [Installation](#installation)

cocooned.gemspec

@@ -38,9 +38,9 @@ Gem::Specification.new do |spec|
   spec.files = `git ls-files -z`.split("\x0").reject do |f|
     f.match(excluded_dirs) || excluded_files.include?(f)
   end
-  spec.required_ruby_version = '>= 2.6'
+  spec.required_ruby_version = '>= 2.7'
 
-  spec.add_dependency 'rails', '>= 6.1', '<= 8.0'
+  spec.add_dependency 'rails', '>= 7.0', '<= 8.0'
 
   spec.add_development_dependency 'bundler', '~> 2.1'
   spec.add_development_dependency 'rake', '~> 13.0'

dev/rubocop.yml

@@ -7,7 +7,7 @@ require:
 
 AllCops:
   NewCops: enable
-  TargetRubyVersion: 2.6
+  TargetRubyVersion: 2.7
 
 Naming/FileName:
   Exclude:

npm/README.md

@@ -4,7 +4,7 @@ This is a companion package for the [cocooned Ruby gem](https://rubygems.org/gem
 
 Cocooned makes it easier to handle nested forms in Rails.
 
-Cocooned is form builder-agnostic: it works with standard Rails (>= 6.1, < 8.0) form helpers, [Formtastic](https://github.com/justinfrench/formtastic) or [SimpleForm](https://github.com/plataformatec/simple_form).
+Cocooned is form builder-agnostic: it works with standard Rails (>= 7.0, < 8.0) form helpers, [Formtastic](https://github.com/justinfrench/formtastic) or [SimpleForm](https://github.com/plataformatec/simple_form).
 
 1. [Installation](#installation)
 2. [Import](#import), default, custom or with [jQuery integration](#jquery-integration)

spec/dummy/config/application.rb

@@ -14,7 +14,7 @@
 module Dummy
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
-    config.load_defaults 6.1
+    config.load_defaults 7.0
     config.active_support.cache_format_version = 7.0
 
     # Configuration for the application, engines, and railties goes here.