feat(Table): add composable sticky footer

[gabipodolnikova]

What: Adds support for composable sticky table footers.

Jira: PF-3996

• Adds a composable Tfoot component for semantic table footer rows.
• Adds the isStickyFooter prop to Table.
• Exports Tfoot from @patternfly/react-table.
• Adds documentation and a sticky footer example.
• Adds unit tests for Tfoot and sticky footer behavior.

Validation:

• yarn jest packages/react-table/src/components/Table/__tests__/Table.test.tsx packages/react-table/src/components/Table/__tests__/Tfoot.test.tsx --runInBand
• yarn tsc --build packages/tsconfig.json --pretty false

Both checks passed.

Additional issues: None.

Summary by CodeRabbit

• New Features

  • Added support for sticky table footers through the isStickyFooter property.
  • Added a reusable table footer component with ref and custom property support.
  • Exported the table footer component for public use.

• Documentation

  • Added a sticky footer example and documented the new table footer component.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Advanced

Run ID: a7116847-c09f-4fc7-bb29-ef9f42776fbd

📥 Commits

Reviewing files that changed from the base of the PR and between b73e9dd and fbd1a8c.

📒 Files selected for processing (7)

• packages/react-table/src/components/Table/Table.tsx
• packages/react-table/src/components/Table/Tfoot.tsx
• packages/react-table/src/components/Table/__tests__/Table.test.tsx
• packages/react-table/src/components/Table/__tests__/Tfoot.test.tsx
• packages/react-table/src/components/Table/examples/Table.md
• packages/react-table/src/components/Table/examples/TableStickyFooter.tsx
• packages/react-table/src/components/Table/index.ts

Included review availability: Your plan provides up to 4 included reviews per hour; 3 remain after this review.

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Walkthrough

Adds sticky footer support to Table, introduces and exports Tfoot, adds tests, and documents the feature with a scrollable table example.

Changes

Sticky footer support

Layer / File(s)	Summary
Table sticky footer behavior packages/react-table/src/components/Table/Table.tsx, packages/react-table/src/components/Table/__tests__/Table.test.tsx	Adds the optional isStickyFooter prop, defaults it to false, applies the stickyFooter modifier when enabled, and tests both states.
Semantic Tfoot component packages/react-table/src/components/Table/Tfoot.tsx, packages/react-table/src/components/Table/__tests__/Tfoot.test.tsx, packages/react-table/src/components/Table/index.ts	Adds a styled <tfoot> component with ref and prop forwarding, tests its rendering and forwarding behavior, and exports it publicly.
Sticky footer example and documentation packages/react-table/src/components/Table/examples/Table.md, packages/react-table/src/components/Table/examples/TableStickyFooter.tsx	Documents Tfoot and isStickyFooter and adds a scrollable table example with a total row.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk: ⚪ Minimal · up to fbd1a

This change adds opt-in sticky table footers with a semantic footer component, documentation, and examples. Existing behavior remains unchanged by default, and no current merge-blocking risk remains.

Sequence Diagram(s)

sequenceDiagram
  participant TableStickyFooter
  participant InnerScrollContainer
  participant Table
  participant Tfoot
  TableStickyFooter->>InnerScrollContainer: Render fixed-height scroll container
  TableStickyFooter->>Table: Enable isStickyFooter
  TableStickyFooter->>Tfoot: Render total row
  Table->>Table: Apply stickyFooter modifier
  Tfoot->>Tfoot: Render styled tfoot element

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Suggested reviewers: thatblindgeye

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely summarizes the main change: adding composable sticky footer support to the Table component.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 6…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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