Sha256: f80046056657063ef73d579d94135acd16328425cc9f4390ff7a2d20db48eea2
Contents?: true
Size: 985 Bytes
Versions: 26
Compression:
Stored size: 985 Bytes
Contents
/**
* Creates the next position for the active item considering a finite list of
* items to be rendered on a page.
*/
export function finite({ active, pageSize, total, }) {
const middle = Math.floor(pageSize / 2);
if (total <= pageSize || active < middle)
return active;
if (active >= total - middle)
return active + pageSize - total;
return middle;
}
/**
* Creates the next position for the active item considering an infinitely
* looping list of items to be rendered on the page.
*/
export function infinite({ active, lastActive, total, pageSize, pointer, }) {
if (total <= pageSize)
return active;
// Move the position only when the user moves down, and when the
// navigation fits within a single page
if (lastActive < active && active - lastActive < pageSize) {
// Limit it to the middle of the list
return Math.min(Math.floor(pageSize / 2), pointer + active - lastActive);
}
return pointer;
}
Version data entries
26 entries across 26 versions & 1 rubygems