Class: Transmogrifier::Rules::Delete

Inherits:
Object
  • Object
show all
Defined in:
lib/transmogrifier/rules/delete.rb

Instance Method Summary collapse

Constructor Details

#initialize(parent_selector, selector_to_delete) ⇒ Delete

Returns a new instance of Delete.



4
5
6
 
# File 'lib/transmogrifier/rules/delete.rb', line 4

def initialize(parent_selector, selector_to_delete)
  @parent_selector, @selector_to_delete = parent_selector, selector_to_delete
end

Instance Method Details

#apply!(input_hash) ⇒ Object 



8
9
10
11
12
13
14
15
16
17
 
# File 'lib/transmogrifier/rules/delete.rb', line 8

def apply!(input_hash)
  top = Node.for(input_hash)
  parent_keys = Selector.from_string(@parent_selector).keys
  child_key = Selector.from_string(@selector_to_delete).keys.first

  parents = top.find_all(parent_keys)
  parents.each { |parent| parent.delete(child_key) }

  top.raw
end