Function asyncDelay

ui/media/js/utils.js:366–370

Pause the execution of an async function until timer elapse. * @Returns a promise that will resolve after the specified timeout.

(timeout)

 * @Returns a promise that will resolve after the specified timeout.
 */
function asyncDelay(timeout) {
    return new Promise(function (resolve, reject) {
        setTimeout(resolve, timeout, true)
    })
}

function PromiseSource() {
    const srcPromise = new Promise((resolve, reject) => {