Function _alignEdges

docs/app/js/sanddance-app.js:31807–31810

* Aligns the edge on the passed in rect to the target. If there is a gap then it will have that space between the two.

(rect, target, edge, gap)

/**
 * Aligns the edge on the passed in rect to the target. If there is a gap then it will have that space between the two.
 */ function _alignEdges(rect, target, edge, gap) {
    if (gap === void 0) gap = 0;
    return _moveEdge(rect, edge, _getEdgeValue(target, edge) + _getRelativeEdgeValue(edge, 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.