feat: Table Column Groups Table#4482
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Codecov Report❌ Patch coverage is Additional details and impacted files@@ Coverage Diff @@
## main #4482 +/- ##
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+ Coverage 97.45% 97.50% +0.05%
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Files 942 947 +5
Lines 29716 30145 +429
Branches 10800 10980 +180
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+ Hits 28959 29393 +434
- Misses 710 745 +35
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…backwards compatibility
…lization" This reverts commit 9bdb50b.
…umn s list reference
Both tests only verified the resizer element exists then dragged it without asserting any width change. Resize math is already covered by unit tests in column-groups.test.tsx, and real-browser drag behavior is covered by resizable-columns.test.ts.
pan-kot
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Jun 5, 2026
…sizer Per pan-kot's review and earlier discussion with Gethin/Andrei: combine data-column-index (for grouped tables) with the existing nth-child path (for non-grouped tables and backward compat with older component versions). Also apply data-group-level to all grouped header rows (including the leaf row) so the nth-child branch reliably no-ops in grouped tables, avoiding multi-element matches.
pan-kot
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Jun 5, 2026
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Description
Add Table Column Grouping Feature support for Table Component.
Related links, issue AWSUI-9594, if available: n/a
How has this been tested?
Review checklist
The following items are to be evaluated by the author(s) and the reviewer(s).
Correctness
CONTRIBUTING.md.CONTRIBUTING.md.Security
checkSafeUrlfunction.Testing
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