Function _alignOppositeEdges

docs/app/js/sanddance-app.js:31814–31819

* Aligns the targetEdge on the passed in target to the rects corresponding opposite edge. * For instance if targetEdge is bottom, then the rects top will be moved to match it.

(rect, target, targetEdge, gap)

 * Aligns the targetEdge on the passed in target to the rects corresponding opposite edge.
 * For instance if targetEdge is bottom, then the rects top will be moved to match it.
 */ function _alignOppositeEdges(rect, target, targetEdge, gap) {
    if (gap === void 0) gap = 0;
    var oppositeEdge = targetEdge * -1;
    var adjustedGap = _getRelativeEdgeValue(oppositeEdge, gap);
    return _moveEdge(rect, targetEdge * -1, _getEdgeValue(target, targetEdge) + adjustedGap);
}
/**
 * Tests to see if the given edge is within the bounds of the given rectangle.
 */ function _isEdgeInBounds(rect, bounds, edge) {