Upgrade coerce behavior when rescuing error. (#2006)

Fix Style/RescueStandardError

Author: ericproulx

.rubocop_todo.yml

@@ -188,14 +188,6 @@ Style/NumericPredicate:
     - 'spec/**/*'
     - 'lib/grape/middleware/formatter.rb'
 
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: implicit, explicit
-Style/RescueStandardError:
-  Exclude:
-    - 'lib/grape/validations/validators/coerce.rb'
-
 # Offense count: 11
 # Cop supports --auto-correct.
 # Configuration parameters: ConvertCodeThatCanStartToReturnNil, AllowedMethods.

CHANGELOG.md

@@ -8,6 +8,7 @@
 * [#2002](https://github.com/ruby-grape/grape/pull/2002): Objects allocation optimization (lazy_lookup) - [@ericproulx](https://github.com/ericproulx).
 
 #### Fixes
+* [#2006](https://github.com/ruby-grape/grape/pull/2006): Fix explicit rescue StandardError - [@ericproulx](https://github.com/ericproulx).
 * [#2004](https://github.com/ruby-grape/grape/pull/2004): Rubocop fixes - [@ericproulx](https://github.com/ericproulx).
 * [#1995](https://github.com/ruby-grape/grape/pull/1995): Fix: "undefined instance variables" and "method redefined" warnings - [@nbeyer](https://github.com/nbeyer).
 * [#1994](https://github.com/ruby-grape/grape/pull/1993): Fix typos in README - [@bellmyer](https://github.com/bellmyer).

lib/grape/validations/validators/coerce.rb

@@ -76,7 +76,7 @@ def coerce_value(val)
         converter.call(val)
 
       # Some custom types might fail, so it should be treated as an invalid value
-      rescue
+      rescue StandardError
         Types::InvalidValue.new
       end