class Hash

Public Instance Methods

deep_dup() click to toggle source
# File lib/leap_cli/core_ext/deep_dup.rb, line 10
def deep_dup
  each_with_object(dup) do |(key, value), hash|
    hash[key.deep_dup] = value.deep_dup
  end
end
deep_merge(other_hash) click to toggle source

recursive merging (aka deep merge) taken from ActiveSupport::CoreExtensions::Hash::DeepMerge

# File lib/leap_cli/core_ext/hash.rb, line 23
def deep_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)
    oldval.class.to_s == 'Hash' && newval.class.to_s == 'Hash' ? oldval.deep_merge(newval) : newval
  end
end
deep_merge!(other_hash) click to toggle source
# File lib/leap_cli/core_ext/hash.rb, line 31
def deep_merge!(other_hash)
  replace(deep_merge(other_hash))
end
pick(*keys) click to toggle source

convert self into a hash, but only include the specified keys

# File lib/leap_cli/core_ext/hash.rb, line 10
def pick(*keys)
  keys.map(&:to_s).inject({}) do |hsh, key|
    if has_key?(key)
      hsh[key] = self[key]
    end
    hsh
  end
end
symbolize_keys() click to toggle source
# File lib/leap_cli/core_ext/hash.rb, line 39
def symbolize_keys
  self.inject({}) {|result, (key, value)|
    new_key = case key
              when String then key.to_sym
              else key
              end
    new_value = case value
                when Hash then symbolize_keys(value)
                else value
                end
    result[new_key] = new_value
    result
  }
end