collapseAll() doesn't work in ngAfterViewInit.

[AntonDr]

How i can collapse tree after navigating to page with tree?

[inspirsea]

Hi, you should be able to use the expanded property to determine the initial value of your nodes. See NodeItem

http://emilsunesson.com/docs/tree-ngx/tree-ngx-api

Determines if the node is expanded from start. Only nodes that have children. Default is true
expanded?: boolean