mirror of
https://git.kescher.at/CatCatNya/catstodon.git
synced 2024-12-05 14:49:03 +01:00
18f55567b0
Port a7253075d1
to glitch-soc
Signed-off-by: Claire <claire.github-309c@sitedethib.com>
50 lines
1.1 KiB
TypeScript
50 lines
1.1 KiB
TypeScript
const easingOutQuint = (
|
|
x: number,
|
|
t: number,
|
|
b: number,
|
|
c: number,
|
|
d: number,
|
|
) => c * ((t = t / d - 1) * t * t * t * t + 1) + b;
|
|
const scroll = (
|
|
node: Element,
|
|
key: 'scrollTop' | 'scrollLeft',
|
|
target: number,
|
|
) => {
|
|
const startTime = Date.now();
|
|
const offset = node[key];
|
|
const gap = target - offset;
|
|
const duration = 1000;
|
|
let interrupt = false;
|
|
|
|
const step = () => {
|
|
const elapsed = Date.now() - startTime;
|
|
const percentage = elapsed / duration;
|
|
|
|
if (percentage > 1 || interrupt) {
|
|
return;
|
|
}
|
|
|
|
node[key] = easingOutQuint(0, elapsed, offset, gap, duration);
|
|
requestAnimationFrame(step);
|
|
};
|
|
|
|
step();
|
|
|
|
return () => {
|
|
interrupt = true;
|
|
};
|
|
};
|
|
|
|
const isScrollBehaviorSupported =
|
|
'scrollBehavior' in document.documentElement.style;
|
|
|
|
export const scrollRight = (node: Element, position: number) => {
|
|
if (isScrollBehaviorSupported)
|
|
node.scrollTo({ left: position, behavior: 'smooth' });
|
|
else scroll(node, 'scrollLeft', position);
|
|
};
|
|
|
|
export const scrollTop = (node: Element) => {
|
|
if (isScrollBehaviorSupported) node.scrollTo({ top: 0, behavior: 'smooth' });
|
|
else scroll(node, 'scrollTop', 0);
|
|
};
|