Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/i18n_tyml/hash_deep_merge.rb

Instance Method Summary collapse

Instance Method Details

#deep_safe_merge(other_hash) ⇒ Object

idea snatched from deep_merge in Rails source code



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# File 'lib/i18n_tyml/hash_deep_merge.rb', line 12

def deep_safe_merge(other_hash)
  self.merge(other_hash) do |key, oldval, newval|
    oldval = oldval.to_hash if oldval.respond_to?(:to_hash)
    newval = newval.to_hash if newval.respond_to?(:to_hash)
    if oldval.class.to_s == 'Hash'
      if newval.class.to_s == 'Hash'
        oldval.deep_safe_merge(newval)
      else
        oldval
      end
    else
      newval
    end
  end
end

#deep_safe_merge!(other_hash) ⇒ Object 



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# File 'lib/i18n_tyml/hash_deep_merge.rb', line 28

def deep_safe_merge!(other_hash)
  replace(deep_safe_merge(other_hash))
end

#has_nested_key?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/i18n_tyml/hash_deep_merge.rb', line 2

def has_nested_key?(key)
  h = self
  key.to_s.split('.').each do |segment|
    return false unless h.respond_to?(:key?) && h.key?(segment)
    h = h[segment]
  end
  true
end