fix: check for src before attempting to add popover

Jacky Zhao

2022-04-06 f9c7cdf928e8068532d2630336a7b08d5085548e

1
2
3
4
5
6
enableLegend: false
enableDrag: true
enableZoom: true
depth: -1 # set to -1 to show full graph
paths:
  - /moc: "#4388cc"