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⚡ Bolt: createEmptyCell 함수 최적화#207

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bolt/optimize-create-empty-cell-6927776765871755648
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⚡ Bolt: createEmptyCell 함수 최적화#207
seonghobae wants to merge 6 commits into
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bolt/optimize-create-empty-cell-6927776765871755648

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💡 What:
app.jscreateEmptyCell() 함수 내에서 정적인 DOM 엘리먼트를 매번 document.createElement()로 생성하는 대신, 한 번만 생성하여 템플릿으로 캐싱하고 cloneNode(true)를 사용해 복제하도록 변경했습니다.

🎯 Why:
createEmptyCell() 함수는 값이 없는 셀을 렌더링할 때 반복적으로 호출됩니다. WBS 작업 목록이 클 경우, 매번 렌더링 루프에서 동일한 정적 DOM을 새로 생성하면 불필요한 메모리 할당과 CPU 오버헤드가 발생하여 UI 렌더링 성능이 저하됩니다.

📊 Impact:
정적 DOM 생성 횟수가 O(N)에서 O(1)로 감소하여, 렌더링 시 발생하는 가비지 컬렉션(GC) 압박이 줄어들고 빈 셀이 많은 대규모 프로젝트 목록을 렌더링할 때 성능이 향상됩니다.

🔬 Measurement:
수백 개의 빈 값이 있는 작업을 등록한 후 렌더링할 때, Chrome DevTools 성능 프로파일러를 통해 DOM 생성 및 렌더링에 소요되는 시간이 감소한 것을 확인할 수 있습니다. E2E 테스트(pnpm run test:e2e)를 통해 기존 기능이 그대로 유지됨을 검증했습니다.


PR created automatically by Jules for task 6927776765871755648 started by @seonghobae

Avoid creating the same static DOM structure repeatedly by caching it
and using cloneNode(true).
@google-labs-jules

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opencode-agent Bot commented Jul 3, 2026

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OpenCode Review Overview

  • Head SHA: 26628ad33566005bdc91731621fffab1e754621d
  • Workflow run: 28667928425
  • Workflow attempt: 1
  • Gate result: APPROVE (approval step)

Pull request overview

OpenCode reviewed the current-head bounded evidence and found no blocking issues.

Findings

No blocking findings.

Summary

Approval sufficiency: bounded evidence supplied affirmative approval evidence for changed files, coverage/docstring posture, risk surfaces, and current-head verification; approval is not based merely on the absence of known blockers.
Verification posture: CodeGraph evidence was initialized and bounded current-head evidence reviewed for changed-file evidence including .jules/bolt.md, app.js.
Linter/static: workflow/static review evidence is bounded by the current-head GitHub Checks gate and changed-file evidence.
TDD/regression: coverage execution evidence and focused changed hunks were reviewed from bounded-review-evidence.md.
Coverage: coverage execution evidence reports supported repository test suites passed.
Docstring coverage: coverage execution evidence reports configured repository docstring gates passed or docstring coverage was advisory.
DAG: CodeGraph/source-backed behavior map connects .jules/bolt.md to the affected review, runtime, or workflow path and required checks.
PoC/execution: coverage-evidence job executed on the current head and reported PASS.
DDD/domain: workflow and repository-governance invariants were reviewed against changed files in bounded evidence.
CDD/context: CodeGraph evidence, changed-file history, and focused hunks were reviewed from bounded-review-evidence.md.
Similar issues: changed-file history evidence was reviewed for comparable local precedents.
Claim/concept check: bounded evidence, repository source, current-head workflow evidence, and, where numeric, scientific, statistical, or literature-backed claims are affected, original-paper/formula evidence and parameter-recovery expectations were used for claims.
Standards search: standards and external-source checks are delegated to configured OpenCode web_search/Context7/DeepWiki sources when applicable; no evidence-backed standards blocker is present in bounded evidence.
Compatibility/convention: changed workflow/script conventions, object naming, and reserved-word safety for schema/API/config/code surfaces were checked in bounded evidence.
Breaking-change/backcompat: deployment evidence and changed-file history were checked for backward-compatibility risk.
Performance: changed surfaces were checked for performance risk in bounded evidence.
Developer experience: changed automation, review, test, setup, and maintenance surfaces were checked for helpful or obstructive DX impact in bounded evidence.
User experience: connected user, operator, API, CLI, documentation, review-comment, status-check, rendering, and workflow-reader behavior was checked for contradictions against code, docs, and tests in bounded evidence.
Visual/DOM: Playwright visual, DOM locator, ARIA snapshot, console, and responsive evidence were checked when a web UI surface was present; for non-web surfaces, API/CLI/log/docs/workflow interaction evidence was reviewed instead.
Accessibility/i18n: accessibility, localization, and human-readable text surfaces were checked where UI, CLI, API message, docs, logs, or review text changed.
Supply-chain/license: dependency, package, model, container, and external-tool changes were checked in bounded evidence.
Packaging: package, build, test, lint, and security contracts were checked in bounded evidence.
Security/privacy: workflow-token, review-gate, and repository-automation security/privacy boundaries were checked in bounded evidence.

  • Result: APPROVE
  • Reason: Optimization correctly implements DOM caching with cloneNode
  • Head SHA: 26628ad33566005bdc91731621fffab1e754621d
  • Workflow run: 28667928425
  • Workflow attempt: 1

Changed-File Evidence Map

flowchart LR
  PR["PR changed files"] --> Evidence["OpenCode bounded evidence"]
  Evidence --> S1["Changed file (2 files)"]
  S1 --> I1["repository behavior"]
  I1 --> R1["Review risk: Changed file (2 files)"]
  R1 --> V1["required checks"]
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Pull request overview

OpenCode reviewed the current-head bounded evidence and found no blocking issues.

Findings

No blocking findings.

Summary

Approval sufficiency: bounded evidence supplied affirmative approval evidence for changed files, coverage/docstring posture, risk surfaces, and current-head verification; approval is not based merely on the absence of known blockers.
Verification posture: CodeGraph evidence was initialized and bounded current-head evidence reviewed for changed-file evidence including .jules/bolt.md, app.js.
Linter/static: workflow/static review evidence is bounded by the current-head GitHub Checks gate and changed-file evidence.
TDD/regression: coverage execution evidence and focused changed hunks were reviewed from bounded-review-evidence.md.
Coverage: coverage execution evidence reports supported repository test suites passed.
Docstring coverage: coverage execution evidence reports configured repository docstring gates passed or docstring coverage was advisory.
DAG: CodeGraph/source-backed behavior map connects .jules/bolt.md to the affected review, runtime, or workflow path and required checks.
PoC/execution: coverage-evidence job executed on the current head and reported PASS.
DDD/domain: workflow and repository-governance invariants were reviewed against changed files in bounded evidence.
CDD/context: CodeGraph evidence, changed-file history, and focused hunks were reviewed from bounded-review-evidence.md.
Similar issues: changed-file history evidence was reviewed for comparable local precedents.
Claim/concept check: bounded evidence, repository source, current-head workflow evidence, and, where numeric, scientific, statistical, or literature-backed claims are affected, original-paper/formula evidence and parameter-recovery expectations were used for claims.
Standards search: standards and external-source checks are delegated to configured OpenCode web_search/Context7/DeepWiki sources when applicable; no evidence-backed standards blocker is present in bounded evidence.
Compatibility/convention: changed workflow/script conventions, object naming, and reserved-word safety for schema/API/config/code surfaces were checked in bounded evidence.
Breaking-change/backcompat: deployment evidence and changed-file history were checked for backward-compatibility risk.
Performance: changed surfaces were checked for performance risk in bounded evidence.
Developer experience: changed automation, review, test, setup, and maintenance surfaces were checked for helpful or obstructive DX impact in bounded evidence.
User experience: connected user, operator, API, CLI, documentation, review-comment, status-check, rendering, and workflow-reader behavior was checked for contradictions against code, docs, and tests in bounded evidence.
Visual/DOM: Playwright visual, DOM locator, ARIA snapshot, console, and responsive evidence were checked when a web UI surface was present; for non-web surfaces, API/CLI/log/docs/workflow interaction evidence was reviewed instead.
Accessibility/i18n: accessibility, localization, and human-readable text surfaces were checked where UI, CLI, API message, docs, logs, or review text changed.
Supply-chain/license: dependency, package, model, container, and external-tool changes were checked in bounded evidence.
Packaging: package, build, test, lint, and security contracts were checked in bounded evidence.
Security/privacy: workflow-token, review-gate, and repository-automation security/privacy boundaries were checked in bounded evidence.

  • Result: APPROVE
  • Reason: Optimization correctly implements DOM caching with cloneNode
  • Head SHA: 26628ad33566005bdc91731621fffab1e754621d
  • Workflow run: 28667928425
  • Workflow attempt: 1

Changed-File Evidence Map

flowchart LR
  PR["PR changed files"] --> Evidence["OpenCode bounded evidence"]
  Evidence --> S1["Changed file (2 files)"]
  S1 --> I1["repository behavior"]
  I1 --> R1["Review risk: Changed file (2 files)"]
  R1 --> V1["required checks"]
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@github-actions github-actions Bot enabled auto-merge (squash) July 3, 2026 16:07
@seonghobae seonghobae closed this Jul 5, 2026
auto-merge was automatically disabled July 5, 2026 22:00

Pull request was closed

@seonghobae seonghobae reopened this Jul 5, 2026
@seonghobae seonghobae enabled auto-merge (squash) July 5, 2026 22:01
Avoid creating the same static DOM structure repeatedly by caching it
and using cloneNode(true).
Avoid creating the same static DOM structure repeatedly by caching it
and using cloneNode(true).
Avoid creating the same static DOM structure repeatedly by caching it
and using cloneNode(true).
Avoid creating the same static DOM structure repeatedly by caching it
and using cloneNode(true).
@seonghobae

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Closing during org-wide PR backlog reduction. This looks like a low-priority automated maintenance PR (micro performance), while the repository has a large backlog of security, conflict, and required-workflow work. Reopen or recreate a fresh PR if this change is still needed.

@seonghobae seonghobae closed this Jul 7, 2026
auto-merge was automatically disabled July 7, 2026 07:52

Pull request was closed

@google-labs-jules

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Closing during org-wide PR backlog reduction. This looks like a low-priority automated maintenance PR (micro performance), while the repository has a large backlog of security, conflict, and required-workflow work. Reopen or recreate a fresh PR if this change is still needed.

Understood. Acknowledging that this work is now obsolete and stopping work on this task.

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