Class: OpenStruct

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

Class Method Summary collapse

Class Method Details

.merge(*args) ⇒ Object 



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# File 'lib/extensions/openstruct_merge.rb', line 7

def self.merge(*args)
  result = OpenStruct.new

  args.each do |arg|
    unless [Hash, OpenStruct].include?(arg.class)
      raise ArgumentError, "Only OpenStruct or Hash objects are allowed. bad: #{arg.class}"
    end

    arg.each_pair do |key, value|
      set_value(result, key, value)
    end
  end

  result
end

.set_value(result, key, value) ⇒ Object

Sets value in result OpenStruct, handling nested OpenStruct and Hash objects Skip nil values to avoid overwriting existing values with nil



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# File 'lib/extensions/openstruct_merge.rb', line 25

def self.set_value(result, key, value)
  # Skip nil values - don't overwrite existing values with nil
  return if value.nil?

  if value.is_a?(OpenStruct) || value.is_a?(Hash)
    current_value = result[key]
    current_value = {} if current_value.nil?
    merged_value  = merge(current_value, value.to_h)
    result[key]   = merged_value
  else
    result[key] = value
  end
end