@onesy/algorithms/esm/factorialRecursive.js

Algorithms

const cache = {};
export default function factorialRecursive(value) {
  let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
    cache: true
  };
  // Cache
  if (options?.cache && cache[value] !== undefined) return cache[value];
  if (value < 3) {
    if (options?.cache && cache[value] === undefined) cache[value] = value;
    return value;
  }
  const result = value * factorialRecursive(value - 1, options);
  if (options?.cache && cache[value] === undefined) cache[value] = result;
  return result;
}