yyqdbngt opened a new pull request, #4085:
URL: https://github.com/apache/rocketmq-dashboard/pull/4085
# feat(dashboard): export the cluster summary table as CSV
## Summary
Add a CSV export button to the cluster summary table on the dashboard page.
The export uses the existing `buildCsv`/`downloadCsv` helpers and writes the
clusters of the currently selected instance (`selectedInstanceId`) to
`rocketmq-clusters-<instanceId>-YYYY-MM-DD.csv` (the instance part falls back
to `all` when no instance filter is active). The button is disabled while the
cluster list is empty.
Exported columns mirror the table: name, status, type, version, brokers,
proxies, topics, groups, TPS in, TPS out.
## Why
Users monitoring cluster health currently have to read the on-screen table
manually. Exporting the summary as CSV makes the data available for offline
analysis, reporting and diffing across instances.
## Testing
- `cd web && ./node_modules/.bin/tsc -b tsconfig.app.json` passes (exit 0).
- `./node_modules/.bin/vitest run
src/pages/home/__tests__/DashboardPage.test.tsx` passes; new cases cover:
- exporting the current instance's clusters with the expected CSV content
and `rocketmq-clusters-instance-a-<date>.csv` filename,
- using `rocketmq-clusters-all-<date>.csv` when no instance is selected,
- the export button being disabled when there are no clusters.
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