aboutsummaryrefslogtreecommitdiffstats
path: root/activesupport/lib/active_support/core_ext/module/aliasing.rb
diff options
context:
space:
mode:
Diffstat (limited to 'activesupport/lib/active_support/core_ext/module/aliasing.rb')
-rw-r--r--activesupport/lib/active_support/core_ext/module/aliasing.rb7
1 files changed, 5 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/core_ext/module/aliasing.rb b/activesupport/lib/active_support/core_ext/module/aliasing.rb
index a80ff0f26d..1f904377df 100644
--- a/activesupport/lib/active_support/core_ext/module/aliasing.rb
+++ b/activesupport/lib/active_support/core_ext/module/aliasing.rb
@@ -10,7 +10,10 @@ class Module
#
# And both aliases are set up for you.
def alias_method_chain(target, feature)
- alias_method "#{target}_without_#{feature}", target
- alias_method target, "#{target}_with_#{feature}"
+ # Strip out punctuation on predicates or bang methods since
+ # e.g. target?_without_feature is not a valid method name.
+ aliased_target = target.to_s.sub(/[?!]/, '')
+ alias_method "#{aliased_target}_without_#{feature}", target
+ alias_method target, "#{aliased_target}_with_#{feature}"
end
end