fix lint errors

6 files changed, 12 insertions, 11 deletions

diff --git a/packages/backend/src/server/api/define.ts b/packages/backend/src/server/api/define.ts
index 4bd8f95e31..48253e78e0 100644
--- a/packages/backend/src/server/api/define.ts
+++ b/packages/backend/src/server/api/define.ts
@@ -20,7 +20,7 @@ type SimpleUserInfo = {
 };
 
 type Params<T extends IEndpointMeta> = {
-	[P in keyof T['params']]: NonNullable<T['params']>[P]['transform'] extends Function
+	[P in keyof T['params']]: NonNullable<T['params']>[P]['transform'] extends () => any
 		? ReturnType<NonNullable<T['params']>[P]['transform']>
 		: NonNullable<T['params']>[P]['default'] extends null | number | string
 			? NonOptional<ReturnType<NonNullable<T['params']>[P]['validator']['get']>[0]>
@@ -30,7 +30,7 @@ type Params<T extends IEndpointMeta> = {
 export type Response = Record<string, any> | void;
 
 type executor<T extends IEndpointMeta> =
-	(params: Params<T>, user: T['requireCredential'] extends true ? SimpleUserInfo : SimpleUserInfo | null, token: AccessToken | null, file?: any, cleanup?: Function) =>
+	(params: Params<T>, user: T['requireCredential'] extends true ? SimpleUserInfo : SimpleUserInfo | null, token: AccessToken | null, file?: any, cleanup?: () => any) =>
 		Promise<T['res'] extends undefined ? Response : SchemaType<NonNullable<T['res']>>>;
 
 export default function <T extends IEndpointMeta>(meta: T, cb: executor<T>)
@@ -74,7 +74,7 @@ function getParams<T extends IEndpointMeta>(defs: T, params: any): [Params<T>, A
 			});
 			return true;
 		} else {
-			if (v === undefined && def.hasOwnProperty('default')) {
+			if (v === undefined && Object.prototype.hasOwnProperty.call(def, 'default')) {
 				x[k] = def.default;
 			} else {
 				x[k] = v;
diff --git a/packages/backend/src/server/api/endpoints/channels/update.ts b/packages/backend/src/server/api/endpoints/channels/update.ts
index 9b447bd04b..05f279d6ac 100644
--- a/packages/backend/src/server/api/endpoints/channels/update.ts
+++ b/packages/backend/src/server/api/endpoints/channels/update.ts
@@ -69,7 +69,7 @@ export default define(meta, async (ps, me) => {
 		throw new ApiError(meta.errors.accessDenied);
 	}
 
-	// tslint:disable-next-line:no-unnecessary-initializer
+	// eslint:disable-next-line:no-unnecessary-initializer
 	let banner = undefined;
 	if (ps.bannerId != null) {
 		banner = await DriveFiles.findOne({
diff --git a/packages/backend/src/server/api/endpoints/i/2fa/key-done.ts b/packages/backend/src/server/api/endpoints/i/2fa/key-done.ts
index b4d3af235a..e06d0a9f68 100644
--- a/packages/backend/src/server/api/endpoints/i/2fa/key-done.ts
+++ b/packages/backend/src/server/api/endpoints/i/2fa/key-done.ts
@@ -75,7 +75,7 @@ export default define(meta, async (ps, user) => {
 
 	const flags = attestation.authData[32];
 
-	// tslint:disable-next-line:no-bitwise
+	// eslint:disable-next-line:no-bitwise
 	if (!(flags & 1)) {
 		throw new Error('user not present');
 	}
diff --git a/packages/backend/src/server/api/limiter.ts b/packages/backend/src/server/api/limiter.ts
index 1e2fe5bcb3..82a8613c90 100644
--- a/packages/backend/src/server/api/limiter.ts
+++ b/packages/backend/src/server/api/limiter.ts
@@ -10,16 +10,16 @@ const logger = new Logger('limiter');
 export default (endpoint: IEndpoint, user: User) => new Promise<void>((ok, reject) => {
 	const limitation = endpoint.meta.limit!;
 
-	const key = limitation.hasOwnProperty('key')
+	const key = Object.prototype.hasOwnProperty.call(limitation, 'key')
 		? limitation.key
 		: endpoint.name;
 
 	const hasShortTermLimit =
-		limitation.hasOwnProperty('minInterval');
+		Object.prototype.hasOwnProperty.call(limitation, 'minInterval');
 
 	const hasLongTermLimit =
-		limitation.hasOwnProperty('duration') &&
-		limitation.hasOwnProperty('max');
+		Object.prototype.hasOwnProperty.call(limitation, 'duration') &&
+		Object.prototype.hasOwnProperty.call(limitation, 'max');
 
 	if (hasShortTermLimit) {
 		min();
diff --git a/packages/backend/src/server/api/stream/channels/games/reversi.ts b/packages/backend/src/server/api/stream/channels/games/reversi.ts
index 3b89aac35c..399750c26a 100644
--- a/packages/backend/src/server/api/stream/channels/games/reversi.ts
+++ b/packages/backend/src/server/api/stream/channels/games/reversi.ts
@@ -19,7 +19,7 @@ export default class extends Channel {
 	@autobind
 	public async onMessage(type: string, body: any) {
 		switch (type) {
-			case 'ping':
+			case 'ping': {
 				if (body.id == null) return;
 				const matching = await ReversiMatchings.findOne({
 					parentId: this.user!.id,
@@ -28,6 +28,7 @@ export default class extends Channel {
 				if (matching == null) return;
 				publishMainStream(matching.childId, 'reversiInvited', await ReversiMatchings.pack(matching, { id: matching.childId }));
 				break;
+			}
 		}
 	}
 }
diff --git a/packages/backend/src/server/api/stream/types.ts b/packages/backend/src/server/api/stream/types.ts
index 70eb5c5ce5..f4302f64a0 100644
--- a/packages/backend/src/server/api/stream/types.ts
+++ b/packages/backend/src/server/api/stream/types.ts
@@ -31,7 +31,7 @@ export interface BroadcastTypes {
 }
 
 export interface UserStreamTypes {
-	terminate: {};
+	terminate: Record<string, unknown>;
 	followChannel: Channel;
 	unfollowChannel: Channel;
 	updateUserProfile: UserProfile;