undefined_

Creates an undefined schema.

const Schema = undefined_(message);

Parameters

• message ErrorMessage | undefined

Explanation

With undefined_ you can validate the data type of the input and if it is not undefined, you can use message to customize the error message.

Returns

• Schema UndefinedSchema

Related

The following APIs can be combined with undefined_.

Schemas

• array,
• intersect,
• lazy,
• map,
• nonNullable,
• nonNullish,
• nonOptional,
• nullable,
• nullish,
• object,
• optional,
• record,
• set,
• tuple,
• union

Methods

• brand,
• coerce,
• fallback,
• getDefault,
• getDefaults,
• getFallback,
• getFallbacks,
• is,
• parse,
• safeParse,
• transform