Module: Kind::Dig

Extended by:
Dig
Included in:
Dig
Defined in:
lib/kind/dig.rb

Instance Method Summary collapse

Instance Method Details

#[](*keys) ⇒ Object 



35
36
37
 
# File 'lib/kind/dig.rb', line 35

def [](*keys)
  ->(data) { call!(data, keys) }
end

#call(data, *input) {|result| ... } ⇒ Object

Yields:

  • (result) 


21
22
23
24
25
26
27
28
29
 
# File 'lib/kind/dig.rb', line 21

def call(data, *input)
  args = input.size == 1 && input[0].kind_of?(::Array) ? input[0] : input

  result = call!(data, args)

  return result unless block_given?

  yield(result) unless KIND.nil_or_undefined?(result)
end

#call!(data, keys = Empty::ARRAY) ⇒ Object

:nodoc



11
12
13
14
15
16
17
18
19
 
# File 'lib/kind/dig.rb', line 11

def call!(data, keys = Empty::ARRAY) # :nodoc
  keys.reduce(data) do |memo, key|
    value = get(memo, key)

    break if KIND.nil_or_undefined?(value)

    value
  end
end

#presence(*args, &block) ⇒ Object 



31
32
33
 
# File 'lib/kind/dig.rb', line 31

def presence(*args, &block)
  Presence.(call(*args, &block))
end