empty

Creates an empty validation action.

const Action = v.empty<TInput, TMessage>(requirement, message);

Generics

With empty you can validate that a string or array is empty. If the input is not empty, you can use message to customize the error message.

The following examples show how empty can be used.

Schema to validate that a string is empty.

const StringSchema = v.pipe(v.string(), v.empty('The string must be empty.'));

Schema to validate that an array is empty.

const ArraySchema = v.pipe(
  v.array(v.number()),
  v.empty('The array must be empty.')
);

The following APIs can be combined with empty.