class-validator/validation/ValidatorConstraintInterface.d.ts

Class-based validation with Typescript / ES6 / ES5 using decorators or validation schemas. Supports both node.js and browser

/// <reference types="es6-shim" />
import { ValidationArguments } from "./ValidationArguments";
/**
 * Custom validators must implement this interface to provide custom validation logic.
 */
export interface ValidatorConstraintInterface {
    /**
     * Method to be called to perform custom validation over given value.
     */
    validate(value: any, validationArguments?: ValidationArguments): Promise<boolean> | boolean;
    /**
     * Gets default message when validation for this constraint fail.
     */
    defaultMessage?(validationArguments?: ValidationArguments): string;
}