Class: Cccode::Misc

Inherits:
Object
  • Object
show all
Defined in:
lib/misc.rb

Class Method Summary collapse

Class Method Details

.nested_keys(source_hash, *target_keys) ⇒ Object 



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# File 'lib/misc.rb', line 6

def self.nested_keys(source_hash, *target_keys)
  begin
    new_keys = target_keys
    new_hash = source_hash
    while new_keys.present?
      return nil unless valid_key?(new_keys[0], new_hash)
    
      chk_try = new_hash.try(:[], new_keys[0])
      if chk_try
        new_hash = new_hash[new_keys[0]]
        new_keys.delete_at(0)
        return chk_try   if new_keys.blank?
      else
        return nil
      end
    end   if new_keys && new_hash
    new_hash
  rescue StandardError => e
    return nil
  end
end

.valid_key?(k, source = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/misc.rb', line 28

def self.valid_key?(k, source=nil)
  key_valid = k.is_a?(String) || k.is_a?(Integer) || k.is_a?(Symbol)
  ar_valid  = source ? (source.is_a?(Array) ? k.is_a?(Integer) : true) : true
  key_valid && ar_valid
end