class-validator-extended/dist/set/set-unique/set-unique.decorator.js

Additional validators for class-validator.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.SET_UNIQUE = void 0;
exports.SetUnique = SetUnique;
const class_validator_1 = require("class-validator");
const set_unique_predicate_1 = require("./set-unique.predicate");
/** @hidden */
exports.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`.
 */
function SetUnique(projection, options) {
    return (0, class_validator_1.ValidateBy)({
        name: exports.SET_UNIQUE,
        validator: {
            validate: (value, _arguments) => (0, set_unique_predicate_1.setUnique)(value, projection),
            defaultMessage: (0, class_validator_1.buildMessage)(eachPrefix => `${eachPrefix}$property must have unique values`, options),
        },
    }, options);
}