Module: Vldt::JSON

Extended by:
JSON
Included in:
JSON
Defined in:
lib/vldt/json.rb

Overview

JSON validations

Instance Method Summary collapse

Instance Method Details

#json ⇒ Object

Validate, that an object is valid JSON.



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# File 'lib/vldt/json.rb', line 7

def json
  Predicate.new(:json) do |o|
    begin
      ::JSON.parse(o)

      true
    rescue TypeError, ::JSON::ParserError
      false
    end
  end
end

#with_json(validation) ⇒ Object

Validate an object after parsing it as a JSON string.



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# File 'lib/vldt/json.rb', line 20

def with_json (validation)
  Common.chain(
    json,
    With.new(-> json { ::JSON.parse(json) }, validation))
end