Integrating GoJS 1.8.17 with a Angular App

[walter]

You need to set GraphLinksModel | GoJS API and GraphLinksModel | GoJS API and make sure any initial link data have the correct values for those two named properties.

This talks about the problem:

Link connecting to node not to port

hi, when i want to connect the two nodes, i want to connect it from the ports, but it default taking the link from the node center, how to change the settings from node center to the port?