Use a railtie for configuration

Now with defaults

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    dato_cms_graphql (0.2.2)
+    dato_cms_graphql (0.2.3)
       activesupport (~> 7.1.3)
       graphql-client (~> 0.19.0)
 

lib/dato_cms_graphql.rb

@@ -17,6 +17,7 @@
   require_relative "dato_cms_graphql/rails/routing"
   require_relative "dato_cms_graphql/rails/persistence"
   require_relative "dato_cms_graphql/rails/cache_table"
+  require_relative "dato_cms_graphql/rails/railtie"
 end
 
 if defined?(::Bridgetown)
@@ -57,17 +58,21 @@ def self.count(query, variables: {})
 
   def self.queries
     @queries ||= begin
-      raise "DatoCmsGraphql.path_to_queries has not been set with the path to your queries" if @path_to_queries.nil?
-      raise "\"#{@path_to_queries}\" does not exist" unless File.exist?(@path_to_queries)
+      raise "DatoCmsGraphql.path_to_queries has not been set with the path to your queries" if path_to_queries.nil?
+      raise "\"#{path_to_queries}\" does not exist" unless File.exist?(path_to_queries)
 
-      Dir[File.join(@path_to_queries, "*.rb")].sort.each { require(_1) }
+      Dir[File.join(path_to_queries, "*.rb")].sort.each { require(_1) }
       ObjectSpace.each_object(::Class)
         .select { |klass| klass < DatoCmsGraphql::BaseQuery }
         .group_by(&:name).values.map { |values| values.max_by(&:object_id) }
         .flatten
     end
   end
 
+  def self.path_to_queries
+    @path_to_queries
+  end
+
   def self.path_to_queries=(value)
     @path_to_queries = value
   end

lib/dato_cms_graphql/rails/railtie.rb

@@ -0,0 +1,10 @@
+module DatoCmsGraphql
+  module Rails
+    class Railtie < ::Rails::Railtie
+      initializer "dato_cms_graphql_railtie.configure_rails_initialization" do |app|
+        DatoCmsGraphql.path_to_queries = app.root.join("app", "queries")
+        puts DatoCmsGraphql.path_to_queries
+      end
+    end
+  end
+end

lib/dato_cms_graphql/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module DatoCmsGraphql
-  VERSION = "0.2.2"
+  VERSION = "0.2.3"
 end

test/dato_cms_graphql_test.rb

@@ -8,4 +8,13 @@ def test_that_it_has_a_version_number
   def test_it_does_something_useful
     assert true
   end
+
+  def test_queries_path_starts_as_nil
+    assert DatoCmsGraphql.path_to_queries.nil?
+  end
+
+  def test_queries_path_can_be_set
+    DatoCmsGraphql.path_to_queries = "/app/queries"
+    assert_equal DatoCmsGraphql.path_to_queries, "/app/queries"
+  end
 end