es-toolkit/dist/predicate/isFunction.js

A state-of-the-art, high-performance JavaScript utility library with a small bundle size and strong type annotations.

//#region src/predicate/isFunction.ts
/**
* Checks if `value` is a function.
*
* @param value The value to check.
* @returns 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
*/
function isFunction(value) {
	return typeof value === "function";
}
//#endregion
exports.isFunction = isFunction;