composite-validation/lib/utils.d.ts

Composite validation API for JS data models

import { WrappedValue, ValueValidationError, BasicType } from './types';
/**
 * Validation API helpers.
 */
export declare class Utils {
    /**
     * Replaces tokens ({0}, {1}, etc.) in message respectively with args values and returns transformed string.
     * @param message Tokenized message.
     * @param args Values for substitution.
     */
    static evaluateMessage(message: string, args: any[]): string;
    /**
     * Returns instance of error object.
     * @param error Error string or object.
     * @param isRequired Value is required.
     * @param args Values for substitution using token replacer.
     */
    static getErrorObject(error: string | ValueValidationError, isRequired?: boolean, args?: any[]): ValueValidationError;
    /**
     * Returns instance of value wrapper.
     * @param value Inner value.
     * @param isRequired Value is required.
     */
    static getWrappedValue(value: number | string | boolean | object, isRequired?: boolean): WrappedValue;
    /**
     * If argument is wrapped value (instance of ValueWrapper) returns inner value.
     * Else returns argument value.
     * @param value Value wrapper or JS basic type value.
     */
    static tryGetValue(obj: WrappedValue | BasicType): any;
}
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