payload-is/lib/types/string.d.ts

A comprehensive TypeScript/JavaScript type checking library providing functions to check data types, collections, primitives, and built-in objects

export declare function isString(payload: unknown): payload is string;
export declare function isEmptyString(payload: unknown): payload is string;
export declare function isFullString(payload: unknown): payload is string;
export declare function isStringObject(payload: unknown): payload is String;
export declare function isStringArray(payload: unknown): payload is string[];