@asasugar-use/custom-json2excel/lib/types/utils/is.d.ts

✌传入json，可自定义表格标题名称和列数、头部名称、过滤列和绑定生成开始与成功的回调函数

export declare function is(val: unknown, type: string): boolean;
export declare function isDef<T = unknown>(val?: T): val is T;
export declare function isUnDef<T = unknown>(val?: T): val is T;
export declare function isObject(val: any): val is Record<any, any>;
export declare function isEmpty<T = unknown>(val: T): val is T;
export declare function isDate(val: unknown): val is Date;
export declare function isNull(val: unknown): val is null;
export declare function isNullAndUnDef(val: unknown): val is null | undefined;
export declare function isNullOrUnDef(val: unknown): val is null | undefined;
export declare function isNumber(val: unknown): val is number;
export declare function isPromise<T = any>(val: unknown): val is Promise<T>;
export declare function isString(val: unknown): val is string;
export declare function isFunction(val: unknown): val is FunctionConstructor;
export declare function isBoolean(val: unknown): val is boolean;
export declare function isRegExp(val: unknown): val is RegExp;
export declare function isArray(val: any): val is Array<any>;
export declare function isWindow(val: any): val is Window;
export declare function isElement(val: unknown): val is Element;
export declare function isMap(val: unknown): val is Map<any, any>;
export declare const isServer: boolean;
export declare const isClient: boolean;
export declare function isUrl(path: string): boolean;
/**
 * @description 判断是否是复杂类型
 * @export
 * @param {*} map
 * @returns {*}  {boolean}
 */
export declare function isValidMap(map: any): map is any[] | Record<any, any>;
/**
 * @description 判断一个字符串是否为JSON字符串
 * @export
 * @param {string} str
 * @returns {*}  {boolean}
 */
export declare function isJsonStr(str: string): boolean | undefined;
/**
 * @description 判断一个字符串是否为 Base64 字符串格式
 * @export
 * @param {string} str
 * @returns {*}  {boolean}
 */
export declare function isBase64(str: string): boolean;