JSFiddle - React, Tailwind, and code Playground

by gianlucaguarini

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.js"></script>

JavaScript

const { memoize } = _
const promise = memoize((url) => {
  return new Promise(resolve => {
    console.log(url)
    return resolve(url)
  })
})

// they will be called only once!
promise('bar')
promise('bar')
promise('bar')

// call the promise again
promise('faz')