mimeType

Creates a MIME type validation action.

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

Generics

  • TInput extends Blob
  • TRequirement extends string[]
  • TMessage extends ErrorMessage<MimeTypeIssue<TInput, TRequirement>> | undefined

Parameters

  • requirement TRequirement
  • message TMessage

Explanation

With mimeType you can validate the MIME type of a blob. If the input does not match the requirement, you can use message to customize the error message.

Returns

Examples

The following examples show how mimeType can be used.

Image schema

Schema to validate an image file.

const ImageSchema = v.pipe(
  v.blob(),
  v.mimeType(['image/jpeg', 'image/png'], 'Please select a JPEG or PNG file.')
);

The following APIs can be combined with mimeType.

Schemas

Methods

Utils

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