NotGovUK - Memoize

Higher-order functions for memoizing pure functions.

Memoization is a crude optimisation whereby the results of a function are store in memory. It only works for functions that offer referential transparency, meaning that they return the same value for the same input.

Note: Currently, only single-parameter functions are supported.

Using this package

First install the package into your project:

npm install -S @not-govuk/memoize

Then use it in your code as follows:

import memoize from '@not-govuk/memoize';

const myPureFunction = str => str.length;

const memoizedFn = memoize(myPureFunction);

memoizedFn('foo'); // 3

Working on this package

Before working on this package you must install its dependencies using the following command:

pnpm install

Building

npm run build

Clean-up

npm run clean