Class: Babl::Utils::Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/babl/utils/hash.rb

Constant Summary collapse

EMPTY = 
{}.freeze

Class Method Summary collapse

Class Method Details

.deep_merge(hashes) ⇒ Object 



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# File 'lib/babl/utils/hash.rb', line 8

def deep_merge(hashes)
    filtered_hashes = hashes.reject(&:empty?)
    return EMPTY if filtered_hashes.empty?
    return filtered_hashes.first if filtered_hashes.size == 1

    filtered_hashes.reduce({}) { |out, hash| deep_merge_inplace(out, hash) }
end

.deep_merge_inplace(target, source) ⇒ Object 



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# File 'lib/babl/utils/hash.rb', line 16

def deep_merge_inplace(target, source)
    source.each { |k, v| target[k] = deep_merge_inplace(target[k] || {}, v) }
    target
end