es-toolkit
Version:
A state-of-the-art, high-performance JavaScript utility library with a small bundle size and strong type annotations.
17 lines (15 loc) • 475 B
TypeScript
/**
* Checks if `value` is a function.
*
* @param {any} value The value to check.
* @returns {boolean} Returns `true` if `value` is a function, else `false`.
*
* @example
* isFunction(Array.prototype.slice); // true
* isFunction(async function () {}); // true
* isFunction(function* () {}); // true
* isFunction(Proxy); // true
* isFunction(Int8Array); // true
*/
declare function isFunction(value: any): value is (...args: any[]) => any;
export { isFunction };