blob: 0edea2103da0b220cf0de0b96c7290953d62a38e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
export default function scrollIntoViewPromise(intersectionTarget, timeout = 100, maxTries = 5) {
return new Promise((resolve, reject) => {
let intersectionObserver;
let retry = 0;
const intervalId = setInterval(() => {
if (retry >= maxTries) {
intersectionObserver.disconnect();
clearInterval(intervalId);
reject(new Error(`Could not scroll target into viewPort within ${timeout * maxTries} ms`));
}
retry += 1;
intersectionTarget.scrollIntoView();
}, timeout);
intersectionObserver = new IntersectionObserver(entries => {
if (entries[0].isIntersecting) {
intersectionObserver.disconnect();
clearInterval(intervalId);
resolve();
}
});
intersectionObserver.observe(intersectionTarget);
intersectionTarget.scrollIntoView();
});
}
|