👍:1
Maybe you have already had a look but there is a plugin, Chart.js Hierarchical Scale Plugin, which can add a new categorical scale which mimics a hierarchical tree.
Hopefully can help: https://github.com/sgratzl/chartjs-plugin-hierarchical
👍:0
After a quick search, I found a previous Stack Overflow question that seems to answer your question. Check this link out. Let me know if this doesn’t answer your question and I’ll be happy to help further.