1 files changed, 34 insertions, 12 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/json.rb b/activesupport/lib/active_support/core_ext/object/json.rb
index d49b2fbe54..f7c623fe13 100644
--- a/activesupport/lib/active_support/core_ext/object/json.rb
+++ b/activesupport/lib/active_support/core_ext/object/json.rb
@@ -1,14 +1,18 @@
+# frozen_string_literal: true
+
 # Hack to load json gem first so we can overwrite its to_json.
-require 'json'
-require 'bigdecimal'
-require 'active_support/core_ext/big_decimal/conversions' # for #to_s
-require 'active_support/core_ext/hash/except'
-require 'active_support/core_ext/hash/slice'
-require 'active_support/core_ext/object/instance_variables'
-require 'time'
-require 'active_support/core_ext/time/conversions'
-require 'active_support/core_ext/date_time/conversions'
-require 'active_support/core_ext/date/conversions'
+require "json"
+require "bigdecimal"
+require "uri/generic"
+require "pathname"
+require "active_support/core_ext/big_decimal/conversions" # for #to_s
+require "active_support/core_ext/hash/except"
+require "active_support/core_ext/hash/slice"
+require "active_support/core_ext/object/instance_variables"
+require "time"
+require "active_support/core_ext/time/conversions"
+require "active_support/core_ext/date_time/conversions"
+require "active_support/core_ext/date/conversions"
 
 # The JSON gem adds a few modules to Ruby core classes containing :to_json definition, overwriting
 # their default behavior. That said, we need to define the basic to_json method in all of them,
@@ -131,6 +135,12 @@ module Enumerable
   end
 end
 
+class IO
+  def as_json(options = nil) #:nodoc:
+    to_s
+  end
+end
+
 class Range
   def as_json(options = nil) #:nodoc:
     to_s
@@ -187,14 +197,26 @@ class DateTime
     if ActiveSupport::JSON::Encoding.use_standard_json_time_format
       xmlschema(ActiveSupport::JSON::Encoding.time_precision)
     else
-      strftime('%Y/%m/%d %H:%M:%S %z')
+      strftime("%Y/%m/%d %H:%M:%S %z")
     end
   end
 end
 
+class URI::Generic #:nodoc:
+  def as_json(options = nil)
+    to_s
+  end
+end
+
+class Pathname #:nodoc:
+  def as_json(options = nil)
+    to_s
+  end
+end
+
 class Process::Status #:nodoc:
   def as_json(options = nil)
-    { :exitstatus => exitstatus, :pid => pid }
+    { exitstatus: exitstatus, pid: pid }
   end
 end