aboutsummaryrefslogtreecommitdiffstats
path: root/activesupport/lib/active_support/core_ext/blank.rb
diff options
context:
space:
mode:
Diffstat (limited to 'activesupport/lib/active_support/core_ext/blank.rb')
-rw-r--r--activesupport/lib/active_support/core_ext/blank.rb16
1 files changed, 14 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/core_ext/blank.rb b/activesupport/lib/active_support/core_ext/blank.rb
index 791cdc5705..f7fbea3e89 100644
--- a/activesupport/lib/active_support/core_ext/blank.rb
+++ b/activesupport/lib/active_support/core_ext/blank.rb
@@ -1,4 +1,16 @@
-# The methods here are provided to speed up function blank? in class Object
+class Object #:nodoc:
+ # "", " ", nil, [], and {} are blank
+ def blank?
+ if respond_to?(:empty?) && respond_to?(:strip)
+ empty? or strip.empty?
+ elsif respond_to?(:empty?)
+ empty?
+ else
+ !self
+ end
+ end
+end
+
class NilClass #:nodoc:
def blank?
true
@@ -35,4 +47,4 @@ class Numeric #:nodoc:
def blank?
false
end
-end
+end \ No newline at end of file