Sha256: 3c5448554b527257031f70a4c3108941b48a8ff00c189440b0038045726446a7
Contents?: true
Size: 1.14 KB
Versions: 14
Compression:
Stored size: 1.14 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 |_k, v_a, v_b|
if v_a.is_a?(Hash) && v_b.is_a?(Hash)
deep_merge(v_a, v_b)
else
v_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 |k, v|
new_hash[block.call(k)] = if v.is_a?(Hash)
deep_transform_keys(v, &block)
else
v
end
end
new_hash
end
end
end
end
Version data entries
14 entries across 14 versions & 2 rubygems