Sha256: 0fba081a1ef531eda0a5953cda220d5869a41d0aa93edb2ac4a51b4e4b1955a5
Contents?: true
Size: 1.43 KB
Versions: 4
Compression:
Stored size: 1.43 KB
Contents
module Hashie
module Extensions
module DeepMerge
# Returns a new hash with +self+ and +other_hash+ merged recursively.
def deep_merge(other_hash, &block)
copy = _deep_dup(self)
copy.extend(Hashie::Extensions::DeepMerge) unless copy.respond_to?(:deep_merge!)
copy.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 _deep_dup(hash)
copy = hash.dup
copy.each do |key, value|
copy[key] =
if value.is_a?(::Hash)
_deep_dup(value)
else
Hashie::Utils.safe_dup(value)
end
end
copy
end
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)
elsif v.is_a?(::Hash)
_recursive_merge({}, v, &block)
elsif hash.key?(k) && block_given?
yield(k, hash[k], v)
else
v.respond_to?(:deep_dup) ? v.deep_dup : v
end
end
hash
end
end
end
end
Version data entries
4 entries across 4 versions & 3 rubygems