Class: FlatKit::FieldType::NullType

Inherits:
FlatKit::FieldType show all
Defined in:
lib/flat_kit/field_type/null_type.rb

Overview

Internal: Class reprepseting the null type and coercian to it.

Constant Summary collapse

REGEX = 
Regexp.union(/\A(null|nil)\Z/i, /\A\\N\Z/)

Constants inherited from FlatKit::FieldType

CoerceFailure

Class Method Summary collapse

Methods inherited from FlatKit::FieldType

best_guess, candidate_types, weight, weights

Methods included from DescendantTracker

#children, #find_child, #find_children, #inherited

Class Method Details

.coerce(data) ⇒ Object 



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# File 'lib/flat_kit/field_type/null_type.rb', line 25

def self.coerce(data)
  case data
  when nil
    data
  when String
    return nil if REGEX.match?(data)

    CoerceFailure
  else
    CoerceFailure
  end
end

.matches?(data) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/flat_kit/field_type/null_type.rb', line 14

def self.matches?(data)
  case data
  when nil
    true
  when String
    REGEX.match?(data)
  else
    false
  end
end

.type_name ⇒ Object 



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# File 'lib/flat_kit/field_type/null_type.rb', line 10

def self.type_name
  "null"
end