fun with promises

promises.js

function hello() {
    return new Promise((resolve, reject) => {

        const world = async function() {
            return 'hello';
        }

        world().then(r =>
            resolve(r)
        ).catch(e => {
            reject(e);
        })

    });
}

hello().then(result => {
    console.log(result);
}).catch(error => {
    console.log(error)
})