Problem of calling updateData with same trafficData

[starfuxks]

For example, after executing following code, all nodes will be one on top of another in the view.

const trafficData1 = dataInFrame1;
const trafficData2 = dataInFrame2;

viz.updateData(trafficData1);
// do some stuff
viz.updateData(trafficData2);
// do other stuff
viz.updateData(trafficData1);

---

I reviewed the source code. Found that ltrTreeLayout()'s cache is the key.

Code will push a map of three elements in the cache.

cachePositions (nodeKey, edgeKey, positions) {
    this.cache.push({
      nodeKey: nodeKey,
      edgeKey: edgeKey,
      positions: positions
    });
  }

But using cache as a object that represents positions alone in the following execution after line 75. so bug emerges.

const existingPositions = this.findPositions(nodeKey, edgeKey);
if (existingPositions) {
  this.layoutPositions(graph, existingPositions);
  layoutComplete();
} else {

[voelzmo]

does it look like this? Netflix/vizceral-react#8