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🧹 [code health] Refactor LayoutEditor tests to remove any and eslint-disable#286

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🧹 [code health] Refactor LayoutEditor tests to remove any and eslint-disable#286
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@is0692vs is0692vs commented May 22, 2026

🧹 [code health improvement] Refactor LayoutEditor tests to remove any types and eslint-disable comments

🎯 What:

The src/components/__tests__/LayoutEditor.test.tsx file was using (window as any) along with // eslint-disable-next-line @typescript-eslint/no-explicit-any comments to set and retrieve properties (triggerDragEnd, mockIsOverId) on the global window object for test manipulation. These any usages and linter bypasses have been removed.

💡 Why:

Using any subverts TypeScript's type safety and relying on eslint-disable comments leads to noise in the code. By explicitly defining an interface (WindowWithDragState) that extends Window with the custom properties, we retain full type safety for the simulated testing utilities while making the testing infrastructure cleaner and more robust. This aligns with better maintainability standards.

✅ Verification:

  • Ran npm run lint and confirmed that there are no linter errors.
  • Ran npm run test and successfully verified all tests (520 total), including the 9 tests in LayoutEditor.test.tsx, pass without regressions.
  • Verified that all any usages and eslint-disable directives were successfully eliminated.

✨ Result:

The codebase is now cleaner, fully type-safe, and devoid of unnecessary ESLint bypass directives in LayoutEditor.test.tsx.


PR created automatically by Jules for task 5505902559776512166 started by @is0692vs

Greptile Summary

テスト補助用の window グローバルプロパティに対して (window as any) キャストおよび eslint-disable コメントを使用していた箇所を、専用インターフェース WindowWithDragState を定義して型安全な (window as unknown as WindowWithDragState) キャストに置き換えたコードクリーンアップ PR です。

  • LayoutEditor.test.tsx 内の全 (window as any) 使用箇所(9 件)を (window as unknown as WindowWithDragState) に統一し、eslint-disable-next-line コメントを削除しました。
  • WindowWithDragState インターフェースを triggerDragEnd?mockIsOverId? の両プロパティを持つ形で新規定義しており、実行時の挙動は変わらず 520 件のテストがすべてパスすることが確認されています。

Confidence Score: 4/5

テストコードのみの変更であり、プロダクションコードへの影響はなく、全テストがパスすることが確認されています。

any キャストをインターフェース定義に置き換えた意図は明確で実行時の挙動も変わりませんが、triggerDragEnd をオプショナル(?)にしたことで strictNullChecks 有効環境での型エラーが残る可能性があります。テストコードに限定した変更であるため影響範囲は小さいです。

src/components/tests/LayoutEditor.test.tsx — インターフェースのオプショナル定義の確認が必要です。

Important Files Changed

Filename Overview
src/components/tests/LayoutEditor.test.tsx any キャストを WindowWithDragState インターフェース経由のキャストに置き換え。プロパティがオプショナル定義のため、strictNullChecks 有効環境では呼び出し時に型エラーが発生する可能性あり。

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[beforeEach: window プロパティを undefined にリセット] --> B[テスト: LayoutEditor をレンダリング]
    B --> C[dnd-context 要素をクリック]
    C --> D[DndContext モック内の onClick 実行]
    D --> E[window.triggerDragEnd = onDragEnd を設定]
    E --> F[window.triggerDragEnd を取得]
    F --> G{undefined チェック}
    G -- expect.toBeDefined あり --> H[triggerDragEnd を呼び出す]
    G -- チェックなし --> H
    H --> I[onDragEnd コールバック実行]
    I --> J[onLayoutChange / 何もしない]
    J --> K[アサーション]
Loading
Prompt To Fix All With AI
Fix the following 2 code review issues. Work through them one at a time, proposing concise fixes.

---

### Issue 1 of 2
src/components/__tests__/LayoutEditor.test.tsx:7-10
`triggerDragEnd` がオプショナル(`?`)で宣言されているため、取得した変数の型は `((event: unknown) => void) | undefined` になります。`expect(...).toBeDefined()` はランタイムチェックであり TypeScript の型を絞り込まないため、`strictNullChecks` が有効な環境では `triggerDragEnd({...})` の呼び出しが型エラー(`TS2722`)になります。非オプショナルに変更するか、取得箇所で `!` 非 null アサーションを使うと完全に型安全になります。

```suggestion
interface WindowWithDragState extends Window {
  triggerDragEnd: ((event: unknown) => void) | undefined;
  mockIsOverId: string | undefined;
}
```

### Issue 2 of 2
src/components/__tests__/LayoutEditor.test.tsx:10-13
インターフェース定義の直後に空行が 2 行連続しています。1 行に統一するとスタイルが統一されます。

```suggestion
}

// Mock dnd-kit components
```

Reviews (1): Last reviewed commit: "refactor: remove any casts and eslint ig..." | Re-trigger Greptile

Greptile also left 2 inline comments on this PR.

Context used:

  • Context used - 日本語で!!! (source)

Co-authored-by: is0692vs <135803462+is0692vs@users.noreply.github.com>
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Reviewing files that changed from the base of the PR and between 4020bb3 and 5cabf36.

📒 Files selected for processing (1)
  • src/components/__tests__/LayoutEditor.test.tsx
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codecov Bot commented May 22, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.

📢 Thoughts on this report? Let us know!

Comment on lines +7 to +10
interface WindowWithDragState extends Window {
triggerDragEnd?: (event: unknown) => void;
mockIsOverId?: string;
}
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P2 triggerDragEnd がオプショナル(?)で宣言されているため、取得した変数の型は ((event: unknown) => void) | undefined になります。expect(...).toBeDefined() はランタイムチェックであり TypeScript の型を絞り込まないため、strictNullChecks が有効な環境では triggerDragEnd({...}) の呼び出しが型エラー(TS2722)になります。非オプショナルに変更するか、取得箇所で ! 非 null アサーションを使うと完全に型安全になります。

Suggested change
interface WindowWithDragState extends Window {
triggerDragEnd?: (event: unknown) => void;
mockIsOverId?: string;
}
interface WindowWithDragState extends Window {
triggerDragEnd: ((event: unknown) => void) | undefined;
mockIsOverId: string | undefined;
}
Prompt To Fix With AI
This is a comment left during a code review.
Path: src/components/__tests__/LayoutEditor.test.tsx
Line: 7-10

Comment:
`triggerDragEnd` がオプショナル(`?`)で宣言されているため、取得した変数の型は `((event: unknown) => void) | undefined` になります。`expect(...).toBeDefined()` はランタイムチェックであり TypeScript の型を絞り込まないため、`strictNullChecks` が有効な環境では `triggerDragEnd({...})` の呼び出しが型エラー(`TS2722`)になります。非オプショナルに変更するか、取得箇所で `!` 非 null アサーションを使うと完全に型安全になります。

```suggestion
interface WindowWithDragState extends Window {
  triggerDragEnd: ((event: unknown) => void) | undefined;
  mockIsOverId: string | undefined;
}
```

How can I resolve this? If you propose a fix, please make it concise.

Comment on lines +10 to 13
}


// Mock dnd-kit components
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P2 インターフェース定義の直後に空行が 2 行連続しています。1 行に統一するとスタイルが統一されます。

Suggested change
}
// Mock dnd-kit components
}
// Mock dnd-kit components
Prompt To Fix With AI
This is a comment left during a code review.
Path: src/components/__tests__/LayoutEditor.test.tsx
Line: 10-13

Comment:
インターフェース定義の直後に空行が 2 行連続しています。1 行に統一するとスタイルが統一されます。

```suggestion
}

// Mock dnd-kit components
```

How can I resolve this? If you propose a fix, please make it concise.

Note: If this suggestion doesn't match your team's coding style, reply to this and let me know. I'll remember it for next time!

Co-authored-by: is0692vs <135803462+is0692vs@users.noreply.github.com>
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Code Review

This pull request improves type safety in the LayoutEditor tests by introducing a WindowWithDragState interface to handle custom properties attached to the window object during testing. This change replaces multiple instances of the any type assertion and allows for the removal of several ESLint disable comments. I have no feedback to provide as there were no review comments to evaluate.

@is0692vs
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Superseded by #299, which keeps the same LayoutEditor test cleanup scope with passing checks and no active review threads. Closing this duplicate to keep the open PR queue actionable.

@is0692vs is0692vs closed this May 24, 2026
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