Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/tracker/extensions.rb

Instance Method Summary collapse

Instance Method Details

#_deep_transform_keys_in_object!(object, &block) ⇒ Object 



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# File 'lib/rack/tracker/extensions.rb', line 42

def _deep_transform_keys_in_object!(object, &block)
  case object
  when Hash
    object.keys.each do |key|
      value = object.delete(key)
      object[yield(key)] = _deep_transform_keys_in_object!(value, &block)
    end
    object
  when Array
    object.map! {|e| _deep_transform_keys_in_object!(e, &block)}
  else
    object
  end
end

#compact ⇒ Object 



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# File 'lib/rack/tracker/extensions.rb', line 18

def compact
  select { |_, value| !value.nil? }
end

#deep_merge!(other_hash, &block) ⇒ Object 



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# File 'lib/rack/tracker/extensions.rb', line 22

def deep_merge!(other_hash, &block)
  other_hash.each_pair do |k,v|
    tv = self[k]
    if tv.is_a?(Hash) && v.is_a?(Hash)
      self[k] = tv.deep_merge(v, &block)
    else
      self[k] = block && tv ? block.call(k, tv, v) : v
    end
  end
  self
end

#deep_stringify_keys! ⇒ Object

NOTE Back ported from Rails 4 to 3 Destructively convert all keys to strings. This includes the keys from the root hash and from all nested hashes.



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# File 'lib/rack/tracker/extensions.rb', line 61

def deep_stringify_keys!
  deep_transform_keys!{ |key| key.to_s }
end

#deep_transform_keys!(&block) ⇒ Object

NOTE Back ported from Rails 4 to 3 Destructively convert all keys by using the block operation. This includes the keys from the root hash and from all nested hashes.



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# File 'lib/rack/tracker/extensions.rb', line 38

def deep_transform_keys!(&block)
  _deep_transform_keys_in_object!(self, &block)
end

#stringify_values ⇒ Object 



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# File 'lib/rack/tracker/extensions.rb', line 11

def stringify_values
  inject({}) do |options, (key, value)|
    options[key] = value.to_s
    options
  end
end