class Hash - rack-tracker-1.13.0 Documentation

_deep_transform_keys_in_object!(object) { |key| ... } click to toggle source

# 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() click to toggle source

# File lib/rack/tracker/extensions.rb, line 18
def compact
  select { |_, value| !value.nil? }
end

deep_merge!(other_hash, &block) click to toggle source

# 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!() click to toggle source

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.

# File lib/rack/tracker/extensions.rb, line 61
def deep_stringify_keys!
  deep_transform_keys!{ |key| key.to_s }
end

deep_transform_keys!(&block) click to toggle source

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.

# File lib/rack/tracker/extensions.rb, line 38
def deep_transform_keys!(&block)
  _deep_transform_keys_in_object!(self, &block)
end

stringify_values() click to toggle source

# File lib/rack/tracker/extensions.rb, line 11
def stringify_values
  inject({}) do |options, (key, value)|
    options[key] = value.to_s
    options
  end
end