class-validator-extended/dist/set/set-unique/set-unique.decorator.d.ts

Additional validators for class-validator.

import type { ValidationOptions } from 'class-validator';
/** @hidden */
export declare const SET_UNIQUE = "setUnique";
/**
 * Checks if the given value is a [Set](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set)
 * without duplicate values with regard to the given projection.
 *
 * #### Example
 * ```typescript
 * // Ensure the set does not include duplicate users.
 * @SetUnique<User>(user => user.id)
 * administrators: Set<User>
 * ```
 *
 * @category Set
 * @param projection The function mapping each value to the value that is used for the uniqueness check.
 * @param options Generic class-validator options.
 * @typeParam Value The type of the set's values.
 * @typeParam Projection The type returned by `projection`.
 */
export declare function SetUnique<Value = unknown, Projection = unknown>(projection: (item: Value) => Projection, options?: ValidationOptions): PropertyDecorator;