🧹 [Code Health] Refactor magic numbers to constants in cardOptions#336
🧹 [Code Health] Refactor magic numbers to constants in cardOptions#336is0692vs wants to merge 1 commit into
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Co-authored-by: is0692vs <135803462+is0692vs@users.noreply.github.com>
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📝 WalkthroughSummary by CodeRabbitリリースノート
WalkthroughこのPRは、 Changesカード幅設定の定数化
🎯 2 (Simple) | ⏱️ ~5分Suggested labels
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Code Review
This pull request refactors src/lib/cardOptions.ts by extracting magic numbers for card width into named constants (DEFAULT_WIDTH, MIN_WIDTH, and MAX_WIDTH) and using them in the parseWidth function to improve readability. There are no review comments, and I have no additional feedback to provide.
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| export const DEFAULT_WIDTH = 600; | ||
| export const MIN_WIDTH = 320; | ||
| export const MAX_WIDTH = 1400; |
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as const アサーションを付けると、TypeScript がこれらの定数をリテラル型 (600, 320, 1400) として扱うため、意図せず別の number 値が代入されることをコンパイル時に防げます。PR 説明で「explicitly typed as constants」と述べている趣旨とも一致します。
| export const DEFAULT_WIDTH = 600; | |
| export const MIN_WIDTH = 320; | |
| export const MAX_WIDTH = 1400; | |
| export const DEFAULT_WIDTH = 600 as const; | |
| export const MIN_WIDTH = 320 as const; | |
| export const MAX_WIDTH = 1400 as const; |
Prompt To Fix With AI
This is a comment left during a code review.
Path: src/lib/cardOptions.ts
Line: 33-35
Comment:
`as const` アサーションを付けると、TypeScript がこれらの定数をリテラル型 (`600`, `320`, `1400`) として扱うため、意図せず別の `number` 値が代入されることをコンパイル時に防げます。PR 説明で「explicitly typed as constants」と述べている趣旨とも一致します。
```suggestion
export const DEFAULT_WIDTH = 600 as const;
export const MIN_WIDTH = 320 as const;
export const MAX_WIDTH = 1400 as const;
```
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!
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🎯 What: Extracted magic numbers
600,320, and1400insrc/lib/cardOptions.tsinto clearly named constantsDEFAULT_WIDTH,MIN_WIDTH, andMAX_WIDTH.💡 Why: Replacing magic numbers with constants improves code maintainability and readability by clarifying their intent and bounds.
✅ Verification: Verified that existing unit tests pass using
npm run test, and the TypeScript compilation correctly recognizes the new code withnpx tsc --noEmit.✨ Result: Improved readability and robustness with clear boundaries for width values now explicitly typed as constants.
PR created automatically by Jules for task 9560714698976689898 started by @is0692vs
Greptile Summary
src/lib/cardOptions.tsのparseWidth関数内に散在していたマジックナンバー (600、320、1400) を、それぞれDEFAULT_WIDTH・MIN_WIDTH・MAX_WIDTHという名前付き定数に抽出したリファクタリング PR です。動作ロジックの変更はありません。export constで公開されているため、将来的に他のモジュールからも参照できるようになります。DEFAULT_WIDTH(600) はMIN_WIDTH(320) 〜MAX_WIDTH(1400) の範囲内にあり、意味的に整合しています。Confidence Score: 5/5
ロジック変更なしの純粋なリファクタリングであり、安全にマージできます。
抽出した定数の値はすべて元のマジックナンバーと一致しており、parseWidth の制御フローは変わっていません。DEFAULT_WIDTH が MIN_WIDTH〜MAX_WIDTH の範囲内に収まっている点も正しく、機能上のリグレッションリスクはありません。
特に注意が必要なファイルはありません。
Important Files Changed
Flowchart
%%{init: {'theme': 'neutral'}}%% flowchart TD A["parseWidth(raw: string | null)"] --> B{raw が null/空?} B -- "はい" --> C["return DEFAULT_WIDTH\n(= 600)"] B -- "いいえ" --> D["Number.parseInt(raw, 10)"] D --> E{"isFinite かつ\nMIN_WIDTH(320) <= value\nかつ value <= MAX_WIDTH(1400)?"} E -- "いいえ" --> F["return DEFAULT_WIDTH\n(= 600)"] E -- "はい" --> G["return value"]Prompt To Fix All With AI
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