mimeType

mimeType<T>(fieldPath, mimeType, config?): void

Defined in: projects/ngx-signal-schema/src/lib/validators/mime-type.ts:23

Validator that checks if the field value matches one of the allowed MIME types. Supports static values, arrays of strings, or a function (e.g., a signal getter) that returns them.

Type Parameters

T

T extends string

Parameters

fieldPath

SchemaPath<T>

The path to the field in the form schema.

mimeType

string | readonly string[] | (() => string | readonly string[])

The allowed MIME type(s). Can be a string, an array, or a function returning either.

config?

object & ErrorOption

Optional configuration for the validator, such as a custom error message.

Returns

void

Examples

// Static usage
mimeType(ctx.fileType, ['image/png', 'application/pdf']);

// Functional/Signal usage
mimeType(ctx.fileType, () => this.mimeTypesAllowed());