Method: GraphQL::Language::Nodes::AbstractNode#delete_child

Defined in:
lib/graphql/language/nodes.rb

#delete_child(previous_child) ⇒ Object

TODO DRY with replace_child



114
115
116
117
118
119
120
121
122
123
124
 
# File 'lib/graphql/language/nodes.rb', line 114

def delete_child(previous_child)
  # Figure out which list `previous_child` may be found in
  method_name = previous_child.children_method_name
  # Copy that list, and delete previous_child
  new_children = public_send(method_name).dup
  new_children.delete(previous_child)
  # Copy this node, but with the new list of children:
  copy_of_self = merge(method_name => new_children)
  # Return the copy:
  copy_of_self
end