class Hash

Public Instance Methods

deep_safe_merge(other_hash) click to toggle source

idea snatched from deep_merge in Rails source code

# 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) click to toggle source
# 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) click to toggle source
# 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