8ee2eb5d2e
* Allow mounting arbitrary columns * Refactor column headers, allow pinning/unpinning and moving columns around * Collapse animation * Re-introduce scroll to top * Save column settings properly, do not display pin options in single-column view, do not display collapse icon if there is nothing to collapse * Fix one instance of public timeline being closed closing the stream Fix back buttons inconsistently sending you back to / even if history exists * Getting started displays links to columns that are not mounted
29 lines
645 B
JavaScript
29 lines
645 B
JavaScript
const easingOutQuint = (x, t, b, c, d) => c * ((t = t / d - 1) * t * t * t * t + 1) + b;
|
|
|
|
const scrollTop = (node) => {
|
|
const startTime = Date.now();
|
|
const offset = node.scrollTop;
|
|
const targetY = -offset;
|
|
const duration = 1000;
|
|
let interrupt = false;
|
|
|
|
const step = () => {
|
|
const elapsed = Date.now() - startTime;
|
|
const percentage = elapsed / duration;
|
|
|
|
if (percentage > 1 || interrupt) {
|
|
return;
|
|
}
|
|
|
|
node.scrollTop = easingOutQuint(0, elapsed, offset, targetY, duration);
|
|
requestAnimationFrame(step);
|
|
};
|
|
|
|
step();
|
|
|
|
return () => {
|
|
interrupt = true;
|
|
};
|
|
};
|
|
|
|
export default scrollTop;
|