Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/xccache/core/hash.rb

Instance Method Summary collapse

Instance Method Details

#deep_merge(other, uniq_block: nil, sort_block: nil, &block) ⇒ Object 



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# File 'lib/xccache/core/hash.rb', line 2

def deep_merge(other, uniq_block: nil, sort_block: nil, &block)
  dup.deep_merge!(other, uniq_block: uniq_block, sort_block: sort_block, &block)
end

#deep_merge!(other, uniq_block: nil, sort_block: nil, &block) ⇒ Object 



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# File 'lib/xccache/core/hash.rb', line 6

def deep_merge!(other, uniq_block: nil, sort_block: nil, &block)
  merge!(other) do |key, this_val, other_val|
    result = if this_val.is_a?(Hash) && other_val.is_a?(Hash)
               this_val.deep_merge(other_val, uniq_block: uniq_block, sort_block: sort_block, &block)
             elsif this_val.is_a?(Array) && other_val.is_a?(Array)
               this_val + other_val
             elsif block_given?
               block.call(key, this_val, other_val)
             else
               other_val
             end

    # uniq by block, prefer updates
    result = result.reverse.uniq(&uniq_block).reverse if uniq_block && result.is_a?(Array)
    result = result.sort_by(&sort_block) if sort_block && result.is_a?(Array)
    result
  end
end