fluent-ts-validator/dist/validators/common/IsEmptyValidator.js

A fluent validator written in TypeScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const _1 = require("../../shared/");
/**
 *  Validates if given value is empty (=== '', === null, === undefined)
 *  or in case of certain iterables if they do not contain any element
 *  (length === 0, size === 0).
 *
 * @export
 * @class IsEmptyValidator
 * @implements {PropertyValidator<any>}
 */
class IsEmptyValidator {
    isValid(input) {
        return input === "" || input === null || input === undefined ||
            this.isEmptyCollection(input);
    }
    isEmptyCollection(input) {
        if (_1.isIterable(input)) {
            return _1.isIterableEmtpy(input);
        }
        return false;
    }
}
exports.IsEmptyValidator = IsEmptyValidator;
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