cache-func/dist/index.js

A tiny utility to cache function outputs easily

// src/index.ts
function cacheFunc(fn, options) {
  let val;
  let lastRun;
  function wrapper(...args) {
    if (val === void 0 || options?.maxAge && lastRun !== void 0 && Date.now() - lastRun > options.maxAge) {
      val = fn(...args);
      lastRun = Date.now();
    }
    return val;
  }
  wrapper.clear = () => {
    val = void 0;
    lastRun = void 0;
  };
  return wrapper;
}
export {
  cacheFunc
};