Revert "refactor: 可読性のため一部でArray.prototype.atを使うように" (#115)

* Revert "refactor: 可読性のため一部で`Array.prototype.at`を使うように (#11274)"

This reverts commit 2b6dbd4fcb.

* Apply suggestions from code review

---------

Co-authored-by: okayurisotto <okayurisotto@proton.me>

packages/backend/src/queue/processors/CleanRemoteFilesProcessorService.ts

@@ -51,7 +51,7 @@ export class CleanRemoteFilesProcessorService {
 				break;
 			}
 
-			cursor = files.at(-1)?.id ?? null;
+			cursor = files[files.length - 1].id;
 
 			await Promise.all(files.map(file => this.driveService.deleteFileSync(file, true)));
 

packages/backend/src/queue/processors/DeleteAccountProcessorService.ts

@@ -70,7 +70,7 @@ export class DeleteAccountProcessorService {
 					break;
 				}
 
-				cursor = notes.at(-1)?.id ?? null;
+				cursor = notes[notes.length - 1].id;
 
 				await this.notesRepository.delete(notes.map(note => note.id));
 
@@ -101,7 +101,7 @@ export class DeleteAccountProcessorService {
 					break;
 				}
 
-				cursor = files.at(-1)?.id ?? null;
+				cursor = files[files.length - 1].id;
 
 				for (const file of files) {
 					await this.driveService.deleteFileSync(file);

packages/backend/src/queue/processors/DeleteDriveFilesProcessorService.ts

@@ -59,7 +59,7 @@ export class DeleteDriveFilesProcessorService {
 				break;
 			}
 
-			cursor = files.at(-1)?.id ?? null;
+			cursor = files[files.length - 1].id;
 
 			for (const file of files) {
 				await this.driveService.deleteFileSync(file);

packages/backend/src/queue/processors/ExportBlockingProcessorService.ts

@@ -72,7 +72,7 @@ export class ExportBlockingProcessorService {
 					break;
 				}
 
-				cursor = blockings.at(-1)?.id ?? null;
+				cursor = blockings[blockings.length - 1].id;
 
 				for (const block of blockings) {
 					const u = await this.usersRepository.findOneBy({ id: block.blockeeId });

packages/backend/src/queue/processors/ExportFavoritesProcessorService.ts

@@ -94,7 +94,7 @@ export class ExportFavoritesProcessorService {
 					break;
 				}
 
-				cursor = favorites.at(-1)?.id ?? null;
+				cursor = favorites[favorites.length - 1].id;
 
 				for (const favorite of favorites) {
 					let poll: Poll | undefined;

packages/backend/src/queue/processors/ExportFollowingProcessorService.ts

@@ -79,7 +79,7 @@ export class ExportFollowingProcessorService {
 					break;
 				}
 
-				cursor = followings.at(-1)?.id ?? null;
+				cursor = followings[followings.length - 1].id;
 
 				for (const following of followings) {
 					const u = await this.usersRepository.findOneBy({ id: following.followeeId });

packages/backend/src/queue/processors/ExportMutingProcessorService.ts

@@ -76,7 +76,7 @@ export class ExportMutingProcessorService {
 					break;
 				}
 
-				cursor = mutes.at(-1)?.id ?? null;
+				cursor = mutes[mutes.length - 1].id;
 
 				for (const mute of mutes) {
 					const u = await this.usersRepository.findOneBy({ id: mute.muteeId });

packages/backend/src/queue/processors/ExportNotesProcessorService.ts

@@ -94,7 +94,7 @@ export class ExportNotesProcessorService {
 					break;
 				}
 
-				cursor = notes.at(-1)?.id ?? null;
+				cursor = notes[notes.length - 1].id;
 
 				for (const note of notes) {
 					let poll: Poll | undefined;