class-validator/esm2015/decorator/array/ArrayNotEmpty.js

Decorator-based property validation for classes.

import { buildMessage, ValidateBy } from '../common/ValidateBy';
export const ARRAY_NOT_EMPTY = 'arrayNotEmpty';
/**
 * Checks if given array is not empty.
 * If null or undefined is given then this function returns false.
 */
export function arrayNotEmpty(array) {
    return Array.isArray(array) && array.length > 0;
}
/**
 * Checks if given array is not empty.
 * If null or undefined is given then this function returns false.
 */
export function ArrayNotEmpty(validationOptions) {
    return ValidateBy({
        name: ARRAY_NOT_EMPTY,
        validator: {
            validate: (value, args) => arrayNotEmpty(value),
            defaultMessage: buildMessage(eachPrefix => eachPrefix + '$property should not be empty', validationOptions),
        },
    }, validationOptions);
}
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