[charts] multiple docs demos not working - js importing dataset only in ts, not js

[tonyhallett]

Steps to reproduce

Link to live example: (required)

Steps:

1. Click expand code - "Using a dataset" !

( Similar issues with StackBlitz / CodeSandbox )

Current behavior

Error

Expected behavior

No error

Context

This commit refactored, but no js file.

Affected demos
https://github.com/mui/mui-x/blob/22f8f84e0b83a0e14e495fa5b3683c2250bb80c7/docs/data/charts/axis/axis.md
{{"demo": "AxisTextCustomizationNoSnap.js", "hideToolbar": true, "bg": "playground"}} ( ok as hideToolbar )
{{"demo": "GridDemo.js"}}

https://github.com/mui/mui-x/blob/22f8f84e0b83a0e14e495fa5b3683c2250bb80c7/docs/data/charts/bars/bars.md
{{"demo": "BarsDataset.js"}}
{{"demo": "HorizontalBars.js"}}
{{"demo": "TickPlacementBars.js"}}
{{"demo": "GridDemo.js"}}

Your environment

System:
OS: Windows 11 10.0.22631
Binaries:
Node: 22.2.0 - C:\Program Files\nodejs\node.EXE
npm: 10.8.1 - C:\Program Files\nodejs\npm.CMD
pnpm: Not Found
Browsers:
Chrome: Not Found
Edge: Chromium (126.0.2592.87)
npmPackages:
@emotion/react: ^11.11.4 => 11.11.4
@emotion/styled: ^11.11.5 => 11.11.5
@mui/base: 5.0.0-beta.40
@mui/core-downloads-tracker: 5.15.21
@mui/icons-material: ^5.15.20 => 5.15.20
@mui/material: ^5.15.20 => 5.15.21
@mui/private-theming: 5.15.20
@mui/styled-engine: 5.15.14
@mui/system: 5.15.20
@mui/types: 7.2.14
@mui/utils: 5.15.20
@mui/x-charts: ^7.7.1 => 7.7.1
@mui/x-data-grid: ^7.7.1 => 7.7.1
@types/react: ^18.3.3 => 18.3.3
react: ^18.3.1 => 18.3.1
react-dom: ^18.3.1 => 18.3.1
typescript: ^5.4.5 => 5.4.5

Search keywords: weather

[LukasTy]

Thank you for reporting this issue. 🙏
It is no longer a problem on the latest master build (example) and the fixed docs will be released this Thursday/Friday.
There is a related issue that is also being worked on already: mui/material-ui#42733.
I'm closing this issue as already resolved.
If you think that there are still problems here, please feel free to reopen it. 😉

[github-actions]

⚠️ This issue has been closed. If you have a similar problem but not exactly the same, please open a new issue.
Now, if you have additional information related to this issue or things that could help future readers, feel free to leave a comment.

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