everyutil/number/factorial.d.ts

A comprehensive library of lightweight, reusable utility functions for JavaScript and TypeScript, designed to streamline common programming tasks such as string manipulation, array processing, date handling, and more.

/**
 * Computes the factorial of a number with BigInt support.
 * @author @dailker
 * @param {number|bigint} n - The number.
 * @returns {bigint} The factorial.
 */
export declare function factorial(n: number | bigint): bigint;