How to hover over a node to highlight specific LINKS in Vega?

Question

I'm new in VEGA and I am using this example provided by developers to plot a network. So I'm trying to highlight the LINKS and NEIGHBORHOOD associated with a determined node while hovering this node. The links could be highlighted with a different color and links with a higher oppacity, for instance.

I have tried to follow the edge bundling example to achieve that. Then, into the signals and Marks: Signals:

  "signals": [    { "name": "colorIn", "value": "firebrick" },
{ "name": "colorOut", "value": "forestgreen" },
{ "name": "originX", "update": "width / 2" },
{ "name": "originY", "update": "height / 2" },
{
  "name": "active", "value": null,
  "on": [
    { "events": "symbol:mouseover", "update": "datum.id" },
    { "events": "mouseover[!event.item]", "update": "null" }
  ]
}

Marks->"path"->"encode"->"update"

       "stroke": [
            {"test": "datum.source === active", "signal": "colorOut"},
            {"test": "datum.target === active", "signal": "colorIn"},
            {"value": "steelblue"}
          ],

Indeed, @DavidBacci tried to help me, but he highlighted just the hover node.