Sha256: 7f5033c572295e58743e4f7ebd9d215142e98b8a53cec668d5782cd110bb7676
Contents?: true
Size: 1.18 KB
Versions: 13
Compression:
Stored size: 1.18 KB
Contents
class ImageOptim
# Helper methods to manipulate Hash, mainly used in config
module HashHelpers
class << self
# Returns a new hash with all keys of root and nested hashes converted to
# strings
def deep_stringify_keys(hash)
deep_transform_keys(hash, &:to_s)
end
# Returns a new hash with all keys of root and nested hashes converted to
# symbols
def deep_symbolise_keys(hash)
deep_transform_keys(hash, &:to_sym)
end
# Returns a new hash with recursive merge of all keys
def deep_merge(a, b)
a.merge(b) do |_key, value_a, value_b|
if value_a.is_a?(Hash) && value_b.is_a?(Hash)
deep_merge(value_a, value_b)
else
value_b
end
end
end
private
# Returns a new hash with all keys of root and nested hashes converted by
# provided block
def deep_transform_keys(hash, &block)
new_hash = {}
hash.each do |key, value|
new_hash[yield key] = if value.is_a?(Hash)
deep_transform_keys(value, &block)
else
value
end
end
new_hash
end
end
end
end
Version data entries
13 entries across 13 versions & 2 rubygems