JS async & await

async.js

async function myFunc() {
	const promise = new Promise((resolve, reject) => {
		setTimeout(() => resolve('Hello'), 1000);
	});

	const err = false;
	if (!err) {
		const res = await promise; // wait until promise is resolved
		return res;
	} else {
		await Promise.reject(new Error('something went wrong'));
	}
}

myFunc()
	.then(res => console.log(res))
	.catch(err => console.log(err));


// ------------------------------------------------------------------------------


async function getUsers() {
	// await reponse of the fetch call
	const response = await fetch('https://jsonplaceholder.typicode.com/users');

	// Only proceed after response resolved
	const data = await response.json();

	// Only proceed after data resolved
	return data;
}

getUsers().then(users => {
	console.log(users);
});