Test a Set to be not empty.
Invert the following validators.
Register a new validator.
Validator to register.
Test a Set to be deeply equal to the provided Set.
Expected Set to match.
Test a Set to include all the provided items. The items are tested by identity, not structure.
Rest ...items: readonly T[]The items that should be a item in the Set.
Test a Set to include any of the provided items. The items are tested by identity, not structure.
Rest ...items: readonly T[]The items that could be a item in the Set.
Test if the value matches a custom validation function. The validation function should return true if the value passes the function. If the function either returns false or a string, the function fails and the string will be used as error message.
Validation function.
Test a Set to have a maximum size.
The maximum size of the Set.
Provide a new error message to be thrown when the validation fails.
ow('🌈', 'unicorn', ow.string.equals('🦄').message('Expected unicorn, got rainbow'));
//=> ArgumentError: Expected unicorn, got rainbow
ow('🌈', ow.string.minLength(5).message((value, label) => `Expected ${label}, to have a minimum length of 5, got \`${value}\``));
//=> ArgumentError: Expected string, to be have a minimum length of 5, got `🌈`
Either a string containing the new message or a function returning the new message.
Test a Set to have a minimum size.
The minimum size of the Set.
Test all the items in the Set to match the provided predicate.
The predicate that should be applied against every item in the Set.
Test a Set to have a specific size.
The size of the Set.
Test if the value matches a custom validation function. The validation function should return an object containing a validator and message. If the validator is false, the validation fails and the message will be used as error message. If the message is a function, the function is invoked with the label as argument to let you further customize the error message.
Custom validation function.
Test a Set to be empty.