merge: latest changes

29 files changed, 92 insertions, 59 deletions

diff --git a/packages/backend/src/server/api/SignupApiService.ts b/packages/backend/src/server/api/SignupApiService.ts
index d2e6185aa3..584853c1f3 100644
--- a/packages/backend/src/server/api/SignupApiService.ts
+++ b/packages/backend/src/server/api/SignupApiService.ts
@@ -176,12 +176,12 @@ export class SignupApiService {
 		}
 
 		if (instance.emailRequiredForSignup) {
-			if (await this.usersRepository.exist({ where: { usernameLower: username.toLowerCase(), host: IsNull() } })) {
+			if (await this.usersRepository.exists({ where: { usernameLower: username.toLowerCase(), host: IsNull() } })) {
 				throw new FastifyReplyError(400, 'DUPLICATED_USERNAME');
 			}
 
 			// Check deleted username duplication
-			if (await this.usedUsernamesRepository.exist({ where: { username: username.toLowerCase() } })) {
+			if (await this.usedUsernamesRepository.exists({ where: { username: username.toLowerCase() } })) {
 				throw new FastifyReplyError(400, 'USED_USERNAME');
 			}
 
diff --git a/packages/backend/src/server/api/endpoints/admin/meta.ts b/packages/backend/src/server/api/endpoints/admin/meta.ts
index c6edd6c9a1..6201d1554d 100644
--- a/packages/backend/src/server/api/endpoints/admin/meta.ts
+++ b/packages/backend/src/server/api/endpoints/admin/meta.ts
@@ -160,6 +160,13 @@ export const meta = {
 					type: 'string',
 				},
 			},
+			prohibitedWords: {
+				type: 'array',
+				optional: false, nullable: false,
+				items: {
+					type: 'string',
+				},
+			},
 			bannedEmailDomains: {
 				type: 'array',
 				optional: true, nullable: false,
@@ -549,6 +556,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				blockedHosts: instance.blockedHosts,
 				silencedHosts: instance.silencedHosts,
 				sensitiveWords: instance.sensitiveWords,
+				prohibitedWords: instance.prohibitedWords,
 				preservedUsernames: instance.preservedUsernames,
 				bubbleInstances: instance.bubbleInstances,
 				hcaptchaSecretKey: instance.hcaptchaSecretKey,
diff --git a/packages/backend/src/server/api/endpoints/admin/promo/create.ts b/packages/backend/src/server/api/endpoints/admin/promo/create.ts
index ab69dfba96..339b7a8aa4 100644
--- a/packages/backend/src/server/api/endpoints/admin/promo/create.ts
+++ b/packages/backend/src/server/api/endpoints/admin/promo/create.ts
@@ -55,7 +55,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				throw e;
 			});
 
-			const exist = await this.promoNotesRepository.exist({ where: { noteId: note.id } });
+			const exist = await this.promoNotesRepository.exists({ where: { noteId: note.id } });
 
 			if (exist) {
 				throw new ApiError(meta.errors.alreadyPromoted);
diff --git a/packages/backend/src/server/api/endpoints/admin/update-meta.ts b/packages/backend/src/server/api/endpoints/admin/update-meta.ts
index 8c0d2f8876..dce0253271 100644
--- a/packages/backend/src/server/api/endpoints/admin/update-meta.ts
+++ b/packages/backend/src/server/api/endpoints/admin/update-meta.ts
@@ -41,6 +41,11 @@ export const paramDef = {
 				type: 'string',
 			},
 		},
+		prohibitedWords: {
+			type: 'array', nullable: true, items: {
+				type: 'string',
+			},
+		},
 		themeColor: { type: 'string', nullable: true, pattern: '^#[0-9a-fA-F]{6}$' },
 		mascotImageUrl: { type: 'string', nullable: true },
 		bannerUrl: { type: 'string', nullable: true },
@@ -185,6 +190,9 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			if (Array.isArray(ps.sensitiveWords)) {
 				set.sensitiveWords = ps.sensitiveWords.filter(Boolean);
 			}
+			if (Array.isArray(ps.prohibitedWords)) {
+				set.prohibitedWords = ps.prohibitedWords.filter(Boolean);
+			}
 			if (Array.isArray(ps.silencedHosts)) {
 				let lastValue = '';
 				set.silencedHosts = ps.silencedHosts.sort().filter((h) => {
diff --git a/packages/backend/src/server/api/endpoints/auth/accept.ts b/packages/backend/src/server/api/endpoints/auth/accept.ts
index e0baeb3565..602c34b1e6 100644
--- a/packages/backend/src/server/api/endpoints/auth/accept.ts
+++ b/packages/backend/src/server/api/endpoints/auth/accept.ts
@@ -62,7 +62,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			const accessToken = secureRndstr(32);
 
 			// Fetch exist access token
-			const exist = await this.accessTokensRepository.exist({
+			const exist = await this.accessTokensRepository.exists({
 				where: {
 					appId: session.appId,
 					userId: me.id,
diff --git a/packages/backend/src/server/api/endpoints/blocking/create.ts b/packages/backend/src/server/api/endpoints/blocking/create.ts
index 1dc4563180..ea7d2076b0 100644
--- a/packages/backend/src/server/api/endpoints/blocking/create.ts
+++ b/packages/backend/src/server/api/endpoints/blocking/create.ts
@@ -88,7 +88,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			});
 
 			// Check if already blocking
-			const exist = await this.blockingsRepository.exist({
+			const exist = await this.blockingsRepository.exists({
 				where: {
 					blockerId: blocker.id,
 					blockeeId: blockee.id,
diff --git a/packages/backend/src/server/api/endpoints/blocking/delete.ts b/packages/backend/src/server/api/endpoints/blocking/delete.ts
index a6e6bcb5b3..b0d66fd05c 100644
--- a/packages/backend/src/server/api/endpoints/blocking/delete.ts
+++ b/packages/backend/src/server/api/endpoints/blocking/delete.ts
@@ -88,7 +88,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			});
 
 			// Check not blocking
-			const exist = await this.blockingsRepository.exist({
+			const exist = await this.blockingsRepository.exists({
 				where: {
 					blockerId: blocker.id,
 					blockeeId: blockee.id,
diff --git a/packages/backend/src/server/api/endpoints/clips/favorite.ts b/packages/backend/src/server/api/endpoints/clips/favorite.ts
index 015b2cfa85..b4c6a4940b 100644
--- a/packages/backend/src/server/api/endpoints/clips/favorite.ts
+++ b/packages/backend/src/server/api/endpoints/clips/favorite.ts
@@ -62,7 +62,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				throw new ApiError(meta.errors.noSuchClip);
 			}
 
-			const exist = await this.clipFavoritesRepository.exist({
+			const exist = await this.clipFavoritesRepository.exists({
 				where: {
 					clipId: clip.id,
 					userId: me.id,
diff --git a/packages/backend/src/server/api/endpoints/drive/files/check-existence.ts b/packages/backend/src/server/api/endpoints/drive/files/check-existence.ts
index 85e6312b6a..8c1f491f8d 100644
--- a/packages/backend/src/server/api/endpoints/drive/files/check-existence.ts
+++ b/packages/backend/src/server/api/endpoints/drive/files/check-existence.ts
@@ -38,7 +38,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private driveFilesRepository: DriveFilesRepository,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const exist = await this.driveFilesRepository.exist({
+			const exist = await this.driveFilesRepository.exists({
 				where: {
 					md5: ps.md5,
 					userId: me.id,
diff --git a/packages/backend/src/server/api/endpoints/flash/like.ts b/packages/backend/src/server/api/endpoints/flash/like.ts
index 1003249c0c..5878200828 100644
--- a/packages/backend/src/server/api/endpoints/flash/like.ts
+++ b/packages/backend/src/server/api/endpoints/flash/like.ts
@@ -70,7 +70,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			// if already liked
-			const exist = await this.flashLikesRepository.exist({
+			const exist = await this.flashLikesRepository.exists({
 				where: {
 					flashId: flash.id,
 					userId: me.id,
diff --git a/packages/backend/src/server/api/endpoints/following/create.ts b/packages/backend/src/server/api/endpoints/following/create.ts
index 9037944ef9..1d0691407d 100644
--- a/packages/backend/src/server/api/endpoints/following/create.ts
+++ b/packages/backend/src/server/api/endpoints/following/create.ts
@@ -101,7 +101,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			});
 
 			// Check if already following
-			const exist = await this.followingsRepository.exist({
+			const exist = await this.followingsRepository.exists({
 				where: {
 					followerId: follower.id,
 					followeeId: followee.id,
diff --git a/packages/backend/src/server/api/endpoints/following/delete.ts b/packages/backend/src/server/api/endpoints/following/delete.ts
index f44692ba6d..f761968c90 100644
--- a/packages/backend/src/server/api/endpoints/following/delete.ts
+++ b/packages/backend/src/server/api/endpoints/following/delete.ts
@@ -85,7 +85,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			});
 
 			// Check not following
-			const exist = await this.followingsRepository.exist({
+			const exist = await this.followingsRepository.exists({
 				where: {
 					followerId: follower.id,
 					followeeId: followee.id,
diff --git a/packages/backend/src/server/api/endpoints/gallery/posts/like.ts b/packages/backend/src/server/api/endpoints/gallery/posts/like.ts
index cc424261b4..576cff4e91 100644
--- a/packages/backend/src/server/api/endpoints/gallery/posts/like.ts
+++ b/packages/backend/src/server/api/endpoints/gallery/posts/like.ts
@@ -72,7 +72,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			// if already liked
-			const exist = await this.galleryLikesRepository.exist({
+			const exist = await this.galleryLikesRepository.exists({
 				where: {
 					postId: post.id,
 					userId: me.id,
diff --git a/packages/backend/src/server/api/endpoints/i/import-antennas.ts b/packages/backend/src/server/api/endpoints/i/import-antennas.ts
index 71db8710af..771f3395ce 100644
--- a/packages/backend/src/server/api/endpoints/i/import-antennas.ts
+++ b/packages/backend/src/server/api/endpoints/i/import-antennas.ts
@@ -71,7 +71,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 		private downloadService: DownloadService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const userExist = await this.usersRepository.exist({ where: { id: me.id } });
+			const userExist = await this.usersRepository.exists({ where: { id: me.id } });
 			if (!userExist) throw new ApiError(meta.errors.noSuchUser);
 			const file = await this.driveFilesRepository.findOneBy({ id: ps.fileId });
 			if (file === null) throw new ApiError(meta.errors.noSuchFile);
diff --git a/packages/backend/src/server/api/endpoints/i/revoke-token.ts b/packages/backend/src/server/api/endpoints/i/revoke-token.ts
index 98d866f867..545d16082c 100644
--- a/packages/backend/src/server/api/endpoints/i/revoke-token.ts
+++ b/packages/backend/src/server/api/endpoints/i/revoke-token.ts
@@ -34,7 +34,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			if (ps.tokenId) {
-				const tokenExist = await this.accessTokensRepository.exist({ where: { id: ps.tokenId } });
+				const tokenExist = await this.accessTokensRepository.exists({ where: { id: ps.tokenId } });
 
 				if (tokenExist) {
 					await this.accessTokensRepository.delete({
@@ -43,7 +43,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 					});
 				}
 			} else if (ps.token) {
-				const tokenExist = await this.accessTokensRepository.exist({ where: { token: ps.token } });
+				const tokenExist = await this.accessTokensRepository.exists({ where: { token: ps.token } });
 
 				if (tokenExist) {
 					await this.accessTokensRepository.delete({
diff --git a/packages/backend/src/server/api/endpoints/mute/create.ts b/packages/backend/src/server/api/endpoints/mute/create.ts
index 49c2b5707d..1d931150e1 100644
--- a/packages/backend/src/server/api/endpoints/mute/create.ts
+++ b/packages/backend/src/server/api/endpoints/mute/create.ts
@@ -83,7 +83,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			});
 
 			// Check if already muting
-			const exist = await this.mutingsRepository.exist({
+			const exist = await this.mutingsRepository.exists({
 				where: {
 					muterId: muter.id,
 					muteeId: mutee.id,
diff --git a/packages/backend/src/server/api/endpoints/notes/create.ts b/packages/backend/src/server/api/endpoints/notes/create.ts
index 44ca1b9c16..dbcea2932e 100644
--- a/packages/backend/src/server/api/endpoints/notes/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/create.ts
@@ -17,6 +17,8 @@ import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { NoteCreateService } from '@/core/NoteCreateService.js';
 import { DI } from '@/di-symbols.js';
 import { isPureRenote } from '@/misc/is-pure-renote.js';
+import { MetaService } from '@/core/MetaService.js';
+import { UtilityService } from '@/core/UtilityService.js';
 import { ApiError } from '../../error.js';
 
 export const meta = {
@@ -117,6 +119,12 @@ export const meta = {
 			code: 'CANNOT_RENOTE_OUTSIDE_OF_CHANNEL',
 			id: '33510210-8452-094c-6227-4a6c05d99f00',
 		},
+
+		containsProhibitedWords: {
+			message: 'Cannot post because it contains prohibited words.',
+			code: 'CONTAINS_PROHIBITED_WORDS',
+			id: 'aa6e01d3-a85c-669d-758a-76aab43af334',
+		},
 	},
 } as const;
 
@@ -271,7 +279,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 				// Check blocking
 				if (renote.userId !== me.id) {
-					const blockExist = await this.blockingsRepository.exist({
+					const blockExist = await this.blockingsRepository.exists({
 						where: {
 							blockerId: renote.userId,
 							blockeeId: me.id,
@@ -319,7 +327,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 				// Check blocking
 				if (reply.userId !== me.id) {
-					const blockExist = await this.blockingsRepository.exist({
+					const blockExist = await this.blockingsRepository.exists({
 						where: {
 							blockerId: reply.userId,
 							blockeeId: me.id,
@@ -351,31 +359,40 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			// 投稿を作成
-			const note = await this.noteCreateService.create(me, {
-				createdAt: new Date(),
-				files: files,
-				poll: ps.poll ? {
-					choices: ps.poll.choices,
-					multiple: ps.poll.multiple ?? false,
-					expiresAt: ps.poll.expiresAt ? new Date(ps.poll.expiresAt) : null,
-				} : undefined,
-				text: ps.text ?? undefined,
-				reply,
-				renote,
-				cw: ps.cw,
-				localOnly: ps.localOnly,
-				reactionAcceptance: ps.reactionAcceptance,
-				visibility: ps.visibility,
-				visibleUsers,
-				channel,
-				apMentions: ps.noExtractMentions ? [] : undefined,
-				apHashtags: ps.noExtractHashtags ? [] : undefined,
-				apEmojis: ps.noExtractEmojis ? [] : undefined,
-			});
+			try {
+				const note = await this.noteCreateService.create(me, {
+					createdAt: new Date(),
+					files: files,
+					poll: ps.poll ? {
+						choices: ps.poll.choices,
+						multiple: ps.poll.multiple ?? false,
+						expiresAt: ps.poll.expiresAt ? new Date(ps.poll.expiresAt) : null,
+					} : undefined,
+					text: ps.text ?? undefined,
+					reply,
+					renote,
+					cw: ps.cw,
+					localOnly: ps.localOnly,
+					reactionAcceptance: ps.reactionAcceptance,
+					visibility: ps.visibility,
+					visibleUsers,
+					channel,
+					apMentions: ps.noExtractMentions ? [] : undefined,
+					apHashtags: ps.noExtractHashtags ? [] : undefined,
+					apEmojis: ps.noExtractEmojis ? [] : undefined,
+				});
 
-			return {
-				createdNote: await this.noteEntityService.pack(note, me),
-			};
+				return {
+					createdNote: await this.noteEntityService.pack(note, me),
+				};
+			} catch (e) {
+				// TODO: 他のErrorもここでキャッチしてエラーメッセージを当てるようにしたい
+				if (e instanceof NoteCreateService.ContainsProhibitedWordsError) {
+					throw new ApiError(meta.errors.containsProhibitedWords);
+				}
+
+				throw e;
+			}
 		});
 	}
 }
diff --git a/packages/backend/src/server/api/endpoints/notes/edit.ts b/packages/backend/src/server/api/endpoints/notes/edit.ts
index 0c9c0d3baf..44796d9290 100644
--- a/packages/backend/src/server/api/endpoints/notes/edit.ts
+++ b/packages/backend/src/server/api/endpoints/notes/edit.ts
@@ -311,7 +311,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 				// Check blocking
 				if (renote.userId !== me.id) {
-					const blockExist = await this.blockingsRepository.exist({
+					const blockExist = await this.blockingsRepository.exists({
 						where: {
 							blockerId: renote.userId,
 							blockeeId: me.id,
@@ -349,7 +349,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 				// Check blocking
 				if (reply.userId !== me.id) {
-					const blockExist = await this.blockingsRepository.exist({
+					const blockExist = await this.blockingsRepository.exists({
 						where: {
 							blockerId: reply.userId,
 							blockeeId: me.id,
diff --git a/packages/backend/src/server/api/endpoints/notes/favorites/create.ts b/packages/backend/src/server/api/endpoints/notes/favorites/create.ts
index ed3dce7f35..bfa621aa38 100644
--- a/packages/backend/src/server/api/endpoints/notes/favorites/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/favorites/create.ts
@@ -67,7 +67,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			});
 
 			// if already favorited
-			const exist = await this.noteFavoritesRepository.exist({
+			const exist = await this.noteFavoritesRepository.exists({
 				where: {
 					noteId: note.id,
 					userId: me.id,
diff --git a/packages/backend/src/server/api/endpoints/pages/like.ts b/packages/backend/src/server/api/endpoints/pages/like.ts
index 8c18982b50..bee60f080d 100644
--- a/packages/backend/src/server/api/endpoints/pages/like.ts
+++ b/packages/backend/src/server/api/endpoints/pages/like.ts
@@ -70,7 +70,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			// if already liked
-			const exist = await this.pageLikesRepository.exist({
+			const exist = await this.pageLikesRepository.exists({
 				where: {
 					pageId: page.id,
 					userId: me.id,
diff --git a/packages/backend/src/server/api/endpoints/promo/read.ts b/packages/backend/src/server/api/endpoints/promo/read.ts
index f427939a7a..4899408ddd 100644
--- a/packages/backend/src/server/api/endpoints/promo/read.ts
+++ b/packages/backend/src/server/api/endpoints/promo/read.ts
@@ -49,7 +49,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				throw err;
 			});
 
-			const exist = await this.promoReadsRepository.exist({
+			const exist = await this.promoReadsRepository.exists({
 				where: {
 					noteId: note.id,
 					userId: me.id,
diff --git a/packages/backend/src/server/api/endpoints/users/followers.ts b/packages/backend/src/server/api/endpoints/users/followers.ts
index 5706e46b96..314a45ed61 100644
--- a/packages/backend/src/server/api/endpoints/users/followers.ts
+++ b/packages/backend/src/server/api/endpoints/users/followers.ts
@@ -101,7 +101,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				if (me == null) {
 					throw new ApiError(meta.errors.forbidden);
 				} else if (me.id !== user.id) {
-					const isFollowing = await this.followingsRepository.exist({
+					const isFollowing = await this.followingsRepository.exists({
 						where: {
 							followeeId: user.id,
 							followerId: me.id,
diff --git a/packages/backend/src/server/api/endpoints/users/following.ts b/packages/backend/src/server/api/endpoints/users/following.ts
index 794fb04f10..86f55c5a12 100644
--- a/packages/backend/src/server/api/endpoints/users/following.ts
+++ b/packages/backend/src/server/api/endpoints/users/following.ts
@@ -109,7 +109,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				if (me == null) {
 					throw new ApiError(meta.errors.forbidden);
 				} else if (me.id !== user.id) {
-					const isFollowing = await this.followingsRepository.exist({
+					const isFollowing = await this.followingsRepository.exists({
 						where: {
 							followeeId: user.id,
 							followerId: me.id,
diff --git a/packages/backend/src/server/api/endpoints/users/lists/create-from-public.ts b/packages/backend/src/server/api/endpoints/users/lists/create-from-public.ts
index fa2e3338b8..dd9b459a1f 100644
--- a/packages/backend/src/server/api/endpoints/users/lists/create-from-public.ts
+++ b/packages/backend/src/server/api/endpoints/users/lists/create-from-public.ts
@@ -90,7 +90,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private roleService: RoleService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const listExist = await this.userListsRepository.exist({
+			const listExist = await this.userListsRepository.exists({
 				where: {
 					id: ps.listId,
 					isPublic: true,
@@ -121,7 +121,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				});
 
 				if (currentUser.id !== me.id) {
-					const blockExist = await this.blockingsRepository.exist({
+					const blockExist = await this.blockingsRepository.exists({
 						where: {
 							blockerId: currentUser.id,
 							blockeeId: me.id,
@@ -132,7 +132,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 					}
 				}
 
-				const exist = await this.userListMembershipsRepository.exist({
+				const exist = await this.userListMembershipsRepository.exists({
 					where: {
 						userListId: userList.id,
 						userId: currentUser.id,
diff --git a/packages/backend/src/server/api/endpoints/users/lists/favorite.ts b/packages/backend/src/server/api/endpoints/users/lists/favorite.ts
index 864cdc2ee0..e5b3a73b55 100644
--- a/packages/backend/src/server/api/endpoints/users/lists/favorite.ts
+++ b/packages/backend/src/server/api/endpoints/users/lists/favorite.ts
@@ -47,7 +47,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 		private idService: IdService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const userListExist = await this.userListsRepository.exist({
+			const userListExist = await this.userListsRepository.exists({
 				where: {
 					id: ps.listId,
 					isPublic: true,
@@ -58,7 +58,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 				throw new ApiError(meta.errors.noSuchList);
 			}
 
-			const exist = await this.userListFavoritesRepository.exist({
+			const exist = await this.userListFavoritesRepository.exists({
 				where: {
 					userId: me.id,
 					userListId: ps.listId,
diff --git a/packages/backend/src/server/api/endpoints/users/lists/push.ts b/packages/backend/src/server/api/endpoints/users/lists/push.ts
index c4ceec575b..0984270943 100644
--- a/packages/backend/src/server/api/endpoints/users/lists/push.ts
+++ b/packages/backend/src/server/api/endpoints/users/lists/push.ts
@@ -104,7 +104,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			// Check blocking
 			if (user.id !== me.id) {
-				const blockExist = await this.blockingsRepository.exist({
+				const blockExist = await this.blockingsRepository.exists({
 					where: {
 						blockerId: user.id,
 						blockeeId: me.id,
@@ -115,7 +115,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				}
 			}
 
-			const exist = await this.userListMembershipsRepository.exist({
+			const exist = await this.userListMembershipsRepository.exists({
 				where: {
 					userListId: userList.id,
 					userId: user.id,
diff --git a/packages/backend/src/server/api/endpoints/users/lists/show.ts b/packages/backend/src/server/api/endpoints/users/lists/show.ts
index df44870b04..10efbaafd8 100644
--- a/packages/backend/src/server/api/endpoints/users/lists/show.ts
+++ b/packages/backend/src/server/api/endpoints/users/lists/show.ts
@@ -74,7 +74,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 					userListId: ps.listId,
 				});
 				if (me !== null) {
-					additionalProperties.isLiked = await this.userListFavoritesRepository.exist({
+					additionalProperties.isLiked = await this.userListFavoritesRepository.exists({
 						where: {
 							userId: me.id,
 							userListId: ps.listId,
diff --git a/packages/backend/src/server/api/endpoints/users/lists/unfavorite.ts b/packages/backend/src/server/api/endpoints/users/lists/unfavorite.ts
index d51d57343e..0935584cbc 100644
--- a/packages/backend/src/server/api/endpoints/users/lists/unfavorite.ts
+++ b/packages/backend/src/server/api/endpoints/users/lists/unfavorite.ts
@@ -45,7 +45,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 		private userListFavoritesRepository: UserListFavoritesRepository,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const userListExist = await this.userListsRepository.exist({
+			const userListExist = await this.userListsRepository.exists({
 				where: {
 					id: ps.listId,
 					isPublic: true,
diff --git a/packages/backend/src/server/api/stream/channels/user-list.ts b/packages/backend/src/server/api/stream/channels/user-list.ts
index e0245814c4..0434833df8 100644
--- a/packages/backend/src/server/api/stream/channels/user-list.ts
+++ b/packages/backend/src/server/api/stream/channels/user-list.ts
@@ -43,7 +43,7 @@ class UserListChannel extends Channel {
 		this.withRenotes = params.withRenotes ?? true;
 
 		// Check existence and owner
-		const listExist = await this.userListsRepository.exist({
+		const listExist = await this.userListsRepository.exists({
 			where: {
 				id: this.listId,
 				userId: this.user!.id,