graphemes

Creates a graphemes validation action.

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

Generics

• TInput extends string
• TRequirement extends number
• TMessage extends ErrorMessage<GraphemesIssue<TInput, TRequirement>> | undefined

Parameters

• requirement TRequirement
• message TMessage

Explanation

With graphemes you can validate the graphemes of a string. If the input does not match the requirement, you can use message to customize the error message.

Returns

• Action GraphemesAction<TInput, TRequirement, TMessage>

Examples

The following examples show how graphemes can be used.

Graphemes schema

Schema to validate a string with 8 graphemes.

const GraphemesSchema = v.pipe(
  v.string(),
  v.graphemes(8, 'Exactly 8 graphemes are required.')
);

Related

The following APIs can be combined with graphemes.

Schemas

• any,
• custom,
• string,
• unknown

Methods

• pipe

Utils

• isOfKind,
• isOfType