empty

Creates an empty validation action.

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

Generics

Parameters

  • message TMessage

Explanation

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.

Returns

Examples

The following examples show how empty can be used.

String schema

Schema to validate that a string is empty.

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

Array schema

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.

Schemas

Methods

Utils

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