import { Callback } from './utils'; | |
/** Determines whether the argument is a non-empty string. */ | |
export declare function isNonEmptyString(data: unknown): boolean; | |
/** Determines whether the argument is a *valid* Date. */ | |
export declare function isDate(data: unknown): boolean; | |
/** Determines whether the argument is the empty string. */ | |
export declare function isEmptyString(data: unknown): boolean; | |
/** Determines whether the argument is a string. */ | |
export declare function isString(data: unknown): boolean; | |
/** Determines whether the string representation of the argument is "[object Object]". */ | |
export declare function isObject(data: unknown): boolean; | |
/** Determines whether the argument is an integer. */ | |
export declare function isInteger(data: unknown): boolean; | |
/** | |
* When the first argument is false, an error is created with the given message. If a callback is | |
* provided, the error is passed to the callback, otherwise the error is thrown. | |
*/ | |
export declare function validate(bool: boolean, cbOrMessage?: Callback<never> | string, message?: string): void; | |
/** | |
* Represents a validation error. | |
* @public | |
*/ | |
export declare class ParameterError extends Error { | |
} | |