class-validator-is-nullable/lib/decorator/IsNullable.js

@IsNullable validator for class-validator

"use strict";
exports.__esModule = true;
var class_validator_1 = require("class-validator");
var ValidationMetadata_1 = require("class-validator/metadata/ValidationMetadata");
function IsNullable(validationOptions) {
    return function (object, propertyName) {
        var args = {
            type: class_validator_1.ValidationTypes.CONDITIONAL_VALIDATION,
            target: object.constructor,
            propertyName: propertyName,
            constraints: [function (object, value) { return object[propertyName] !== null; }],
            validationOptions: validationOptions
        };
        class_validator_1.getFromContainer(class_validator_1.MetadataStorage).addValidationMetadata(new ValidationMetadata_1.ValidationMetadata(args));
    };
}
exports.IsNullable = IsNullable;