in modules/monochrome/src/shared/popover/utils.js [83:92]
export function positionsToPopperPlacement(position, arrowPosition) {
let placement = position || POSITIONS.AUTO;
if (arrowPosition === POSITIONS.LEFT || arrowPosition === POSITIONS.TOP) {
placement = `${placement}-start`;
}
if (arrowPosition === POSITIONS.RIGHT || arrowPosition === POSITIONS.BOTTOM) {
placement = `${placement}-end`;
}
return placement;
}