class-validator-extended/dist/map/map-size/map-size.decorator.js

Additional validators for class-validator.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MAP_SIZE = void 0;
exports.MapSize = MapSize;
const class_validator_1 = require("class-validator");
const map_size_predicate_1 = require("./map-size.predicate");
/** @hidden */
exports.MAP_SIZE = 'mapSize';
/**
 * Checks if the given value is a [Map](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map)
 * with a size of exactly `size`.
 *
 * #### Example
 * ```typescript
 * // Ensure the map has exactly 5 entries.
 * @MapSize(5)
 * values: Map<string, string>
 * ```
 *
 * @category Map
 * @param size The allowed size of the map.
 * @param options Generic class-validator options.
 */
function MapSize(size, options) {
    return (0, class_validator_1.ValidateBy)({
        name: exports.MAP_SIZE,
        constraints: [size],
        validator: {
            validate: (value, _arguments) => (0, map_size_predicate_1.mapSize)(value, size),
            defaultMessage: (0, class_validator_1.buildMessage)(eachPrefix => `${eachPrefix}$property must contain exactly $constraint1 element(s)`, options),
        },
    }, options);
}