di-shan-utils/dist/isNull.d.ts

JavaScript 函数库、工具类

/**
 * 判断是否为 Null
 * @param val 值
 */
export declare function isNull(val: any): val is null;

declare module './ctor' {
  interface DIUtilsMethods {
    isNull: typeof isNull;
  }
}

export default isNull