braid-design-system
Version:
Themeable design system for the SEEK Group
17 lines (16 loc) • 365 B
JavaScript
;
function getNextIndex(moveAmount, current, total) {
const maxIndex = total - 1;
if (current === null) {
return moveAmount > 0 ? 0 : maxIndex;
}
const nextIndex = moveAmount + current;
if (nextIndex > maxIndex) {
return 0;
}
if (nextIndex < 0) {
return maxIndex;
}
return nextIndex;
}
exports.getNextIndex = getNextIndex;