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perf: reuse complex cell graphics during scrolling - #5316

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feat/issue-5308-complex-cell-scroll-performance
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perf: reuse complex cell graphics during scrolling#5316
fangsmile wants to merge 4 commits into
developfrom
feat/issue-5308-complex-cell-scroll-performance

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@fangsmile

@fangsmile fangsmile commented Sep 16, 2026

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Summary

  • reuse cell groups and component instances for checkbox, switch, button, and progressbar cells during eligible scrolling updates
  • reuse ProgressBar graphics by stable slots and remove stale graphics when modes or visibility change
  • retain full rebuild fallbacks for merged cells, custom layouts/renders, icons, wrapping, and auto row height
  • add issue 复杂的cell, 大数据下，表格快速滚动卡顿 #5308 performance reproduction and regression coverage

Test plan

  • Run rushx compile in packages/vtable
  • Run complex-cell, checkbox, and switch regression tests
  • Pass pre-commit ESLint, Prettier, and commitlint hooks
  • Pass pre-push package test suite (868 tests)
  • Verify component and ProgressBar graphic identity in browser runtime checks

Closes #5308

🤖 Generated with Claude Code

@fangsmile
perf: reuse complex cell graphics during scrolling
72f02cb 
Reduce complex-cell reconstruction costs while preserving fallback behavior for special cells.

Co-Authored-By: Claude Sonnet 4.6 noreply@anthropic.com
@fangsmile
fix: preserve complex cell rendering fallbacks
8eed4c7 
Keep optimized updates aligned with custom rendering and text layout semantics.
Make the performance benchmark measurements reliable.

Co-Authored-By: Claude Sonnet 4.6 noreply@anthropic.com
@fangsmile
fix: use resolved values in complex cell reuse
6e3ec40 
Avoid forwarding Promise objects through asynchronous fast updates.
Verify button state changes during reuse.

Co-Authored-By: Claude Sonnet 4.6 noreply@anthropic.com
@fangsmile
fix: guard stale pivot tree cell updates
8a5f848 
Fall back from complex cell reuse when rapid hierarchy changes invalidate a cell definition.

Co-Authored-By: Claude Sonnet 4.6 noreply@anthropic.com
@github-actions github-actions Bot added the test label Sep 16, 2026
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复杂的cell, 大数据下，表格快速滚动卡顿

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