Function: resolveArrowSide()

function resolveArrowSide(
   side, 
   element, 
   popover
): Side;

Decides which popover edge the arrow sits on. Normally the rendered side, but when the element scrolls clear of the popover along that side's axis (a left-placed popover whose element has scrolled above it), the arrow moves to the perpendicular edge so it keeps pointing at the element.

Parameters

Parameter	Type
side	Side
element	Box
popover	Box

Returns

Side