O'Dane Brissett Enado95

Here's how you could create custom error classes in Node.js using latest ES6 / ES2015 syntax.

I've tried to make it as lean and unobtrusive as possible.

Defining our own base class for errors

errors/AppError.js

	function nearestDate (dates, target) {
	if (!target) {
	target = Date.now()
	} else if (target instanceof Date) {
	target = target.getTime()
	}

	let nearest = Infinity
	let winner = -1

	import { writable } from 'svelte/store'

	// returns a store with HTTP access functions for get, post, patch, delete
	// anytime an HTTP request is made, the store is updated and all subscribers are notified.
	export default function(initial) {
	// create the underlying store
	const store = writable(initial)

	// define a request function that will do `fetch` and update store when request finishes
	store.request = async (method, url, params=null) => {