Method: Webhookdb::Replicator::Column#_dig

Defined in:
lib/webhookdb/replicator/column.rb

#_dig(h, keys, optional) ⇒ Object 



470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
 
# File 'lib/webhookdb/replicator/column.rb', line 470

def _dig(h, keys, optional)
  v = h
  karr = Array(keys)
  karr.each do |key|
    begin
      v = optional ? v[key] : v.fetch(key)
    rescue KeyError
      raise KeyError, "key not found: '#{key}' in: #{v.keys}"
    rescue NoMethodError => e
      raise NoMethodError, "Element #{key} of #{karr}\n#{e}"
    end
    # allow optional nested values by returning nil as soon as key not found
    # the problem here is that you effectively set all keys in the sequence as optional
    break if optional && v.nil?
  end
  return v
end