diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/routing/mapper.rb')
| -rw-r--r-- | actionpack/lib/action_dispatch/routing/mapper.rb | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb index b618b9c400..8386cb9689 100644 --- a/actionpack/lib/action_dispatch/routing/mapper.rb +++ b/actionpack/lib/action_dispatch/routing/mapper.rb @@ -50,7 +50,19 @@ module ActionDispatch private def constraint_args(constraint, request) - constraint.arity == 1 ? [request] : [request.path_parameters, request] + arity = if constraint.respond_to?(:arity) + constraint.arity + else + constraint.method(:call).arity + end + + if arity < 1 + [] + elsif arity == 1 + [request] + else + [request.path_parameters, request] + end end end |