VedantMadane opened a new pull request, #60591:
URL: https://github.com/apache/airflow/pull/60591
## Summary
This PR adds a "Clear All Mapped Tasks" button to the mapped task instance
header, allowing users to clear all mapped task instances at once.
Closes #60460
## Problem
Currently, there is no way to clear all mapped task instances at once for a
specific task. Users have to clear each individual mapped task instance
separately, which is tedious when dealing with many mapped instances.
## Solution
Added a "Clear All Mapped Tasks" button to the mapped task instance header
that clears all map indices for a given task. The backend already supports this
functionality - when only the `task_id` is provided (without `map_index`), all
map indices are targeted for clearing.
## Changes
- **ClearAllMappedTaskInstancesButton.tsx**: New button component that
triggers the dialog
- **ClearAllMappedTaskInstancesDialog.tsx**: New dialog component similar to
ClearTaskInstanceDialog, but uses `task_ids: [taskId]` instead of `[[taskId,
mapIndex]]` to clear all mapped instances
- **Header.tsx**: Updated to accept `dagId` and `dagRunId` props and render
the new button
- **MappedTaskInstance.tsx**: Updated to pass `dagId` and `dagRunId` to the
Header component
- **dags.json**: Added translation keys for the new feature
## Screenshot Location
The button appears in the header of the mapped task instance page (e.g.,
`/dags/{dag_id}/runs/{run_id}/tasks/{task_id}/mapped`), next to the task name
and statistics.
## Testing
- TypeScript compilation passes
- The feature uses existing backend functionality that already supports
clearing all mapped instances
- The dialog follows the same patterns as the existing
ClearTaskInstanceDialog
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