Sha256: 1b440119448ba5f7c5e8c368483c1a1142388af9cba8c42ebd571db076516377
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Size: 1.24 KB
Versions: 10
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Stored size: 1.24 KB
Contents
class Hash::ValueChanger
attr_accessor :options, :block
def initialize(options, &block)
@options = {
recursive: true,
skip_inner: true
}.merge(options)
@block = block
end
def change(object)
if object.respond_to?(:change_values)
change_hash(object)
elsif is_iterable?(object)
change_array(object)
end
end
private
def change_hash(original_hash)
original_hash.tap do |hash|
original_hash.each do |key, value|
value = new_value(value)
hash[key] = value
end
end
end
def change_array(array)
method = %w(map! map).find { |m| array.respond_to? m }
array.public_send(method) do |value|
if value.respond_to?(:change_values)
value.change_values(options, &block)
elsif is_iterable?(value)
change_array(value)
else
new_value(value)
end
end
end
def change_value?(value)
!is_iterable?(value) || !options[:skip_inner]
end
def is_iterable?(value)
value.respond_to?(:each)
end
def new_value(value)
value = block.call(value) if change_value?(value)
apply_recursion?(value) ? change(value) : value
end
def apply_recursion?(value)
is_iterable?(value) && options[:recursive]
end
end
Version data entries
10 entries across 10 versions & 1 rubygems