🔥 Remove FetchableObject (#369)

* Attempt fix

* 🔥  remove `FetchableObject`

* 🔥 Remove `FetchableObject`

* 🐛 remove `require`

* 📝 update docs

* 📝 newline

* 🚨 fix linter warning

---------

Co-authored-by: peter scholz <[email protected]>

Author: danielvdao

CHANGELOG.md

@@ -8,6 +8,7 @@
 
 * Your contribution here.
 
+* [#352](https://github.com/ruby-grape/grape-entity/pull/369): Remove `FetchableObject` behavior. - [@danielvdao](https://github.com/danielvdao).
 
 ### 0.10.2 (2022-07-29)
 

UPGRADING.md

@@ -1,6 +1,11 @@
 # Upgrading Grape Entity
 
 
+### Upgrading to >= 0.10.2
+Official support for `FetchableObject` was removed.
+
+See [#352](https://github.com/ruby-grape/grape-entity/pull/369) for more information.
+
 ### Upgrading to >= 0.8.2
 
 Official support for ruby < 2.5 removed, ruby 2.5 only in testing mode, but no support.

lib/grape_entity/delegator.rb

@@ -3,7 +3,6 @@
 require 'grape_entity/delegator/base'
 require 'grape_entity/delegator/hash_object'
 require 'grape_entity/delegator/openstruct_object'
-require 'grape_entity/delegator/fetchable_object'
 require 'grape_entity/delegator/plain_object'
 
 module Grape
@@ -15,8 +14,6 @@ def self.new(object)
             HashObject
           elsif defined?(OpenStruct) && object.is_a?(OpenStruct)
             OpenStructObject
-          elsif object.respond_to?(:fetch, true)
-            FetchableObject
           else
             PlainObject
           end