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src/models/favorite.ts

@@ -75,7 +75,9 @@ export const pack = (
 	delete _favorite._id;
 
 	// Populate note
-	_favorite.note = await packNote(_favorite.noteId, me);
+	_favorite.note = await packNote(_favorite.noteId, me, {
+		detail: true
+	});
 
 	// (データベースの不具合などで)投稿が見つからなかったら
 	if (_favorite.note == null) {

src/models/note.ts

@@ -358,8 +358,8 @@ export const pack = async (
 			})(_note.poll);
 		}
 
-		// Fetch my reaction
 		if (meId) {
+			// Fetch my reaction
 			_note.myReaction = (async () => {
 				const reaction = await Reaction
 					.findOne({
@@ -374,6 +374,19 @@ export const pack = async (
 
 				return null;
 			})();
+
+			// isFavorited
+			_note.isFavorited = (async () => {
+				const favorite = await Favorite
+					.count({
+						userId: meId,
+						noteId: id
+					}, {
+						limit: 1
+					});
+
+				return favorite === 1;
+			})();
 		}
 	}