DataTable: How to render the expand icon for expanded and closed row?

[topvis]

The default expand icon rotate 90 degree for expanded row like shown in the screenshot:

How to render customized expand icons using DataTable's API render-expand-icon () => VNodeChild to show different icons (or different angles) for expanded and closed row?

[07akioni]

Currently it's not possible. We may add a feature to solve the problem later.