Got same key issue with AreaChart with multi-series & type=grouped

[yleilu]

I'm submitting a...

[ ] Regression (a behavior that used to work and stopped working in a new release)
[X] Bug report  
[ ] Performance issue
[ ] Feature request
[ ] Documentation issue or request
[ ] Other... Please describe:

Current behavior

Got same key issue with AreaChart with multiple series & type=grouped

reaviz/src/common/data/builder.ts

Line 84 in fd440fd

id: point.id,

The id should be unique or at least consider using index here.

Expected behavior

No errors

Minimal reproduction of the problem with instructions

What is the motivation / use case for changing the behavior?

Environment

Libs:
- react version: X.Y.Z
- reaviz version: X.Y.Z


Browser:
- [ ] Chrome (desktop) version XX
- [ ] Chrome (Android) version XX
- [ ] Chrome (iOS) version XX
- [ ] Firefox version XX
- [ ] Safari (desktop) version XX
- [ ] Safari (iOS) version XX
- [ ] IE version XX
- [ ] Edge version XX
 
For Tooling issues:
- Node version: XX  
- Platform:  

Others:

[amcdnl]

Could you provide a example?

[yleilu]

Reproduce ->
https://stackblitz.com/edit/vitejs-vite-nvzdbv?file=src%2FChart.jsx

I found that is because I put an id in the data

const data = [
  {
    id: 'example-id', // After remove this, anything goes fine.
    key: 'example-key',
    data: [...],
  },
  ...
]