Sha256: 0f38de943ce8b1fa70576e8fd42e81fd61e268d6febf571f26909a41bdcf5280
Contents?: true
Size: 1.23 KB
Versions: 12
Compression:
Stored size: 1.23 KB
Contents
# frozen_string_literal: true
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(hash_a, hash_b)
hash_a.merge(hash_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
12 entries across 12 versions & 1 rubygems