@onesy/algorithms/factorial.js

Algorithms

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const cache = {};
function factorial(value, options = { cache: true }) {
    // Cache
    if ((options === null || options === void 0 ? void 0 : options.cache) && cache[value] !== undefined)
        return cache[value];
    if (value < 3)
        return value;
    const values = [0, 1, 2];
    for (let i = 3; i <= value; i++)
        values[i] = i * values[i - 1];
    const result = values[values.length - 1];
    if ((options === null || options === void 0 ? void 0 : options.cache) && cache[value] === undefined)
        cache[value] = result;
    return result;
}
exports.default = factorial;