Check Function

isFunction

Determines if a value is a callable function. Works for all function types including async functions, generators, and class constructors.

Import

import { isFunction } from 'toolbox-x/guards';

Signature

function isFunction(value: unknown): value is GenericFn

Type Definitions

type GenericFn = (...args: any) => any;

Examples

Notes

• Returns true for all callable values
• Includes async functions and generators