add alt type

[YouheiNozaki]

メディアのalt機能のリリースに合わせた型の追加です。

既存のalt, 未入力のaltについてはaltの値は存在しないため、それに合わせた型となっています。

Summary by CodeRabbit

• 新機能
  • 画像に代替テキストを設定できるオプションを導入し、アクセシビリティとSEOの向上に寄与します。

[coderabbitai]

Walkthrough

今回の変更は、src/types.ts 内の MicroCMSImage インターフェイスにオプションの alt プロパティ（型: string）を追加するものです。既存のインターフェイスの構造や他のプロパティには変更はなく、画像に代替テキストを付与するための仕様が追加されました。

Changes

ファイル	変更内容
src/types.ts	MicroCMSImage インターフェイスに alt?: string; プロパティを追加

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Actionable comments posted: 0

🧹 Nitpick comments (1)

src/types.ts (1)

65-65: MicroCMSImageインターフェースへalt属性の追加は適切です！

新しく追加されたalt?プロパティは画像のアクセシビリティを向上させる重要な属性です。オプショナルとして実装されているため、後方互換性も維持されています。

より明確にするために、プロパティのドキュメントを追加すると良いかもしれません：

export interface MicroCMSImage {
  url: string;
  width?: number;
  height?: number;
+ /**
+  * 画像の代替テキスト（アクセシビリティのため）
+  */
  alt?: string;
}

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 87cc45c and 497c370.

📒 Files selected for processing (1)

• src/types.ts (1 hunks)

[dc7290]

LGTM👍