Class: InvalidType

function greet(name) {
  var checked = InvalidType.check(name, 'string');
  alert('Hello, ' + checked);
}
greet('John'); // "Hello, John"
greet(1234);   // Throws: "unexpected type of value ..."

var value = 'ABC';
InvalidType.check(value, 'boolean', 'string', 'object'); // OK

class Beagle extends Dog {
  ...
}
var oliver = new Beagle();
InvalidType.check(oliver, Dog);      // OK
InvalidType.check(oliver, Beagle);   // OK
InvalidType.check(oliver, ShibaInu); // Throws

value = 123;
try {
  InvalidType.check(value, 'string', 'object');
} catch (e) {
  console.debug( e.info.checked  ); // 123
  console.debug( e.info.expected ); // ['string', 'object']
  console.debug( e.info.actual   ); // 'number'
}