diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext')
-rw-r--r-- | activesupport/lib/active_support/core_ext/hash/deep_merge.rb | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/activesupport/lib/active_support/core_ext/hash/deep_merge.rb b/activesupport/lib/active_support/core_ext/hash/deep_merge.rb index ffde34a741..24d0a2a481 100644 --- a/activesupport/lib/active_support/core_ext/hash/deep_merge.rb +++ b/activesupport/lib/active_support/core_ext/hash/deep_merge.rb @@ -1,11 +1,12 @@ class Hash # Returns a new hash with +self+ and +other_hash+ merged recursively. def deep_merge(other_hash) - merge(other_hash) do |key, oldval, newval| - oldval = oldval.to_hash if oldval.respond_to?(:to_hash) - newval = newval.to_hash if newval.respond_to?(:to_hash) - oldval.is_a?( Hash ) && newval.is_a?( Hash ) ? oldval.deep_merge(newval) : newval + target = dup + other_hash.each_pair do |k,v| + tv = target[k] + target[k] = tv.is_a?(Hash) && v.is_a?(Hash) ? tv.deep_merge(v) : v end + target end # Returns a new hash with +self+ and +other_hash+ merged recursively. |