Deprecate Alchemy.enable_searchable

Instead, use the `Alchemy.config.page_searchable_checkbox` Boolean.

lib/alchemy.rb

@@ -11,19 +11,6 @@ module Alchemy
 
   YAML_PERMITTED_CLASSES = %w[Symbol Date Regexp]
 
-  # Enable full text search configuration
-  #
-  # It enables a searchable checkbox in the page form to toggle
-  # the searchable field. These information can used in a search
-  # plugin (e.g. https://github.com/AlchemyCMS/alchemy-pg_search).
-  #
-  # == Example
-  #
-  #     # config/initializers/alchemy.rb
-  #     Alchemy.enable_searchable = true
-  #
-  mattr_accessor :enable_searchable, default: false
-
   # JS Importmap instance
   singleton_class.attr_accessor :importmap
   self.importmap = Importmap::Map.new
@@ -37,6 +24,15 @@ def configure(&blk)
       yield config
     end
 
+    enable_searchable_deprecation_msg = "Use `Alchemy.config.show_page_searchable_checkbox` instead."
+    def enable_searchable = config.show_page_searchable_checkbox
+    deprecate :enable_searchable= => enable_searchable_deprecation_msg, :deprecator => Alchemy::Deprecation
+
+    def enable_searchable=(other)
+      config.show_page_searchable_checkbox = other
+    end
+    deprecate enable_searchable: enable_searchable_deprecation_msg, deprecator: Alchemy::Deprecation
+
     # Define page preview sources
     #
     # A preview source is a Ruby class returning an URL

lib/alchemy/configurations/main.rb

@@ -194,6 +194,18 @@ class Main < Alchemy::Configuration
 
       # The sizes for the preview size select in the page editor.
       option :page_preview_sizes, :integer_list, default: [360, 640, 768, 1024, 1280, 1440]
+
+      # Enable full text search configuration
+      #
+      # It enables a searchable checkbox in the page form to toggle
+      # the searchable field. These information can used in a search
+      # plugin (e.g. https://github.com/AlchemyCMS/alchemy-pg_search).
+      #
+      # == Example
+      #
+      #     # config/initializers/alchemy.rb
+      #     Alchemy.config.page_searchable_checkbox = true
+      option :show_page_searchable_checkbox, :boolean, default: false
     end
   end
 end

spec/libraries/alchemy/configurations/main_spec.rb

@@ -33,4 +33,13 @@
       end.to change { subject.output_image_quality }.from(85).to(90)
     end
   end
+
+  describe "default values" do
+    let(:configuration) { described_class.new }
+
+    describe "#page_searchable_checkbox" do
+      subject { configuration.show_page_searchable_checkbox }
+      it { is_expected.to be false }
+    end
+  end
 end

spec/libraries/alchemy_spec.rb

@@ -109,4 +109,21 @@
       expect(Alchemy::Config).to eq(Alchemy.config)
     end
   end
+
+  describe "legacy configuration methods" do
+    around do |example|
+      Alchemy::Deprecation.silence { example.run }
+    end
+    describe ".enable_searchable" do
+      it "forwards to config.page_searchable_checkbox" do
+        expect do
+          Alchemy.enable_searchable = true
+        end.to change(Alchemy.config, :show_page_searchable_checkbox).to(true)
+        # Reset
+        expect do
+          Alchemy.enable_searchable = false
+        end.to change(Alchemy, :enable_searchable).to(false)
+      end
+    end
+  end
 end