// const THRESHOLD_FIDELITY = 150;

// accessibility tab index
const sectionsAndHeaders = document.querySelectorAll('section, header');
sectionsAndHeaders.forEach(ele => ele.tabIndex = "0");

// mutation observer for the video element
// const videoTitle = document.querySelector('#video-title');

// // const pastryIframe = document.querySelector('#connie-pastries')

// const observer = new IntersectionObserver(entries => {
//     // note - if the boundingClientRect.y is negative, then they are scrolling down
//     // note - since using id, only 1 entry
//     const {intersectionRatio} = entries[0];
//     if (intersectionRatio !== 1) {
//         videoTitle.currentTime = 5 - 3 * intersectionRatio;
//     } else {
//         videoTitle.currentTime = 2;
//     }
// }, {
//     threshold: [...Array(THRESHOLD_FIDELITY).keys()].map(num => num/THRESHOLD_FIDELITY),
//     rootMargin: '-100px 0px 0px 0px'
// });

// after two seconds pause the video
// setTimeout(() => {
//     videoTitle.pause();
//     videoTitle.currentTime = 2;
//     observer.observe(videoTitle);
// }, 2500)

// borrowed from https://www.w3schools.com/howto/howto_js_collapse_sidepanel.asp
/* Set the width of the sidebar to 250px (show it) */
openNav = () => {
    document.querySelector('#sidepanel').style.width = "250px";
}

/* Set the width of the sidebar to 0 (hide it) */
closeNav = () => {
    document.querySelector('#sidepanel').style.width = "0";
}