class PowertoolMaybeChain

A private helper for MaybeChain

Public Class Methods

maybe_chain(caller, args) click to toggle source
# File lib/powertool/maybe_chain.rb, line 5
def self.maybe_chain(caller, args)
  args.each_with_index do |a, _i|
    return nil if caller[a].nil? || ![Hash, Array, Range].include?(caller.class)

    caller = a.instance_of?(Range) ? a.map { |i| caller[i] } : caller[a]
  end
  caller
end