1 files changed, 53 insertions, 0 deletions
diff --git a/activemodel/lib/active_model/type.rb b/activemodel/lib/active_model/type.rb
new file mode 100644
index 0000000000..1d7a26fff5
--- /dev/null
+++ b/activemodel/lib/active_model/type.rb
@@ -0,0 +1,53 @@
+# frozen_string_literal: true
+
+require "active_model/type/helpers"
+require "active_model/type/value"
+
+require "active_model/type/big_integer"
+require "active_model/type/binary"
+require "active_model/type/boolean"
+require "active_model/type/date"
+require "active_model/type/date_time"
+require "active_model/type/decimal"
+require "active_model/type/float"
+require "active_model/type/immutable_string"
+require "active_model/type/integer"
+require "active_model/type/string"
+require "active_model/type/time"
+
+require "active_model/type/registry"
+
+module ActiveModel
+  module Type
+    @registry = Registry.new
+
+    class << self
+      attr_accessor :registry # :nodoc:
+
+      # Add a new type to the registry, allowing it to be gotten through ActiveModel::Type#lookup
+      def register(type_name, klass = nil, **options, &block)
+        registry.register(type_name, klass, **options, &block)
+      end
+
+      def lookup(*args, **kwargs) # :nodoc:
+        registry.lookup(*args, **kwargs)
+      end
+
+      def default_value # :nodoc:
+        @default_value ||= Value.new
+      end
+    end
+
+    register(:big_integer, Type::BigInteger)
+    register(:binary, Type::Binary)
+    register(:boolean, Type::Boolean)
+    register(:date, Type::Date)
+    register(:datetime, Type::DateTime)
+    register(:decimal, Type::Decimal)
+    register(:float, Type::Float)
+    register(:immutable_string, Type::ImmutableString)
+    register(:integer, Type::Integer)
+    register(:string, Type::String)
+    register(:time, Type::Time)
+  end
+end