Warn if using Ruby < 3.1 or Rails < 7.0, which will not be supported …

…by ViewComponent v4. (#2090)
ViewComponent · Sep 6, 2024 · 45ffb7a · 45ffb7a
1 parent 8f30d27
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diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
@@ -10,9 +10,13 @@ nav_order: 5
 
 ## main
 
+* Warn if using Ruby < 3.1 or Rails < 7.0, which will not be supported by ViewComponent v4.
+
+    *Joel Hawksley*
+
 * Add Kicksite to list of companies using ViewComponent.
 
-   *Adil Lari*
+    *Adil Lari*
 
 * Allow overridden slot methods to use `super`.
 

diff --git a/lib/view_component.rb b/lib/view_component.rb
@@ -21,6 +21,10 @@ module ViewComponent
   autoload :TestCase
   autoload :SystemTestCase
   autoload :Translatable
+
+  if defined?(Rails) && Rails.version < "7.0"
+    Kernel.warn("ViewComponent v4 will drop support for Rails < 7.0 in 2025.")
+  end
 end
 
 require "view_component/engine" if defined?(Rails::Engine)
diff --git a/view_component.gemspec b/view_component.gemspec
@@ -64,5 +64,7 @@ Gem::Specification.new do |spec|
     spec.add_development_dependency "net-imap"
     spec.add_development_dependency "net-pop"
     spec.add_development_dependency "net-smtp"
+  else
+    spec.post_install_message = "ViewComponent v4 will drop support for Ruby < 3.1 in 2025."
   end
 end