Sha256: c7e8dbc7aaae79a3fa670b0c748b19453b47a24f6b7c161cd99d389872cd8fbd
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Size: 1.31 KB
Versions: 19
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Stored size: 1.31 KB
Contents
class Hash::KeyChanger
attr_reader :hash, :block
def initialize(hash)
@hash = hash
end
def change_keys(settings = {}, &block)
merge_options({
recursive: true
}, settings)
if options[:recursive]
hash.deep_transform_keys!(&block)
else
hash.transform_keys!(&block)
end
end
def camelize_keys(settings = {})
merge_options({
uppercase_first_letter: true
}, settings)
type = options[:uppercase_first_letter] ? :upper : :lower
change_keys do |k|
k.camelize(type)
end
end
def underscore_keys(settings = {})
merge_options({}, settings)
change_keys do |k|
k.underscore
end
end
def change_text(options = {}, &block)
merge_options({
type: :keep
}, options)
change_keys do |key|
cast_new_key block.call(key), key.class
end
end
private
def merge_options(default, custom)
@options = {}.merge!(default).merge!(custom).merge!(options)
end
def options
@options ||= {}
end
def cast_new_key(key, old_clazz)
case class_cast(old_clazz)
when :symbol then
key.to_sym
when :string then
key.to_s
end
end
def keep_class?
options[:type] == :keep
end
def class_cast(old_clazz)
keep_class? && old_clazz.to_s.downcase.to_sym || options[:type]
end
end
Version data entries
19 entries across 19 versions & 2 rubygems