Tan Guven tnguven

	const currencies = [
	['USD', 'EUR', 0.89],
	['EUR', 'CHF', 1.03],
	['CAD', 'USD', 0.79],
	['GBP', 'USD', 1.34],
	['AUD', 'HKF', 5.68],
	['GBP', 'CAD', 1.7],
	['JPY', 'CAD', 0.011],
	['GBP', 'JPY', 154.28],
	] as [CurrencyType, CurrencyType, number][];

	LAUNCH_FILE="{ \"version\": \"0.2.0\", \"configurations\": [] }"

	install-tooling:
	sudo npm install -g [email protected]
	sudo selenium-standalone install

	create-launch-file:
	echo ${LAUNCH_FILE} > .vscode/launch.json

	setup: install-tooling create-launch-file

	const byteToMb = byte => (byte / 1024) / 1024;
	const { rss, heapTotal, heapUsed, external } = process.memoryUsage()
	console.log({
	rss: `${byteToMb(rss)}mb`,
	heapTotal: `${byteToMb(heapTotal)}mb`,
	heapUsed: `${byteToMb(heapUsed)}mb`,
	external: `${byteToMb(external)}mb`
	})

Legend

	function filterByLetters(options, filter) {
	if (filter) {
	let data = [...options];
	let restData = [...options];
	const filterIsNum = parseInt(filter);
	let result = [];

	// filter with number
	if (filterIsNum) {
	const filtered = data

	function letThemReduce(count) {
	let bigData = [];

	for (let i = 0; i < count; i++) {
	bigData[i] = i;
	}

	console.log('Data count:', bigData.length);
	// ///////////////////////////////////////////////////////////////////// FILTER MAP START HERE
	console.time('map');

	// ES7, async/await
	function sleep(ms = 0) {
	return new Promise(r => setTimeout(r, ms));
	}

	(async () => {
	console.log('a');
	await sleep(1000);
	console.log('b');
	})()