util-ex/lib/is/type/boolean.d.ts

Browser-friendly enhanced util fully compatible with standard node.js

/**
 * Determines whether the given argument is a boolean.
 *
 * @param {*} arg - The argument to check.
 * @returns {boolean} Whether the argument is a boolean.
 */
export function isBool(arg: any): boolean;
export default isBool;