blob: d7222a3e953daf934bf43a04fea37317a50b1af1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
module Hashie
module Extensions
module DeepMerge
# Returns a new hash with +self+ and +other_hash+ merged recursively.
def deep_merge(other_hash, &block)
dup.deep_merge!(other_hash, &block)
end
# Returns a new hash with +self+ and +other_hash+ merged recursively.
# Modifies the receiver in place.
def deep_merge!(other_hash, &block)
return self unless other_hash.is_a?(::Hash)
_recursive_merge(self, other_hash, &block)
self
end
private
def _recursive_merge(hash, other_hash, &block)
other_hash.each do |k, v|
hash[k] = if hash.key?(k) && hash[k].is_a?(::Hash) && v.is_a?(::Hash)
_recursive_merge(hash[k], v, &block)
else
if hash.key?(k) && block_given?
block.call(k, hash[k], v)
else
v
end
end
end
hash
end
end
end
end
|
