memoize

Memorize the output of a function in the memory cache.

Usage

js

import { memoize
 } from '@studiometa/js-toolkit/utils';

function heavyFunction
(param
) {
  return param
 ** param
;
}

const memoizedHeavyFunction
 = memoize
(heavyFunction
);

memoizedHeavyFunction
(2); // 4

Parameters

fn (Function): the function to memorize
options ({ maxAge?: number, cacheKey?: (...args:any) => string, cache?: Map }): options on on how to memorize the output of the function

Return value

This function returns a new function which will cache the first function results.