Add eslint rules for dealing with promises

.eslintrc.js

@@ -29,4 +29,18 @@ module.exports = {
         "semi": "warn",
         "no-console": "warn"
     },
+    overrides: [
+        {
+            files: ["src/**/*.ts"],
+
+            parserOptions: {
+                project: ["./tsconfig.json"],
+            },
+
+            rules: {
+                "@typescript-eslint/no-misused-promises": "warn",
+                "@typescript-eslint/no-floating-promises" : "warn"
+            }
+        },
+    ],
 };

src/app.ts

@@ -85,18 +85,18 @@ function setupRoutes(router: Router) {
     }
 
     //add the get function
-    router.get("/api/getVideoSponsorTimes", oldGetVideoSponsorTimes);
+    router.get("/api/getVideoSponsorTimes", void oldGetVideoSponsorTimes);
 
     //add the oldpost function
-    router.get("/api/postVideoSponsorTimes", oldSubmitSponsorTimes);
-    router.post("/api/postVideoSponsorTimes", oldSubmitSponsorTimes);
+    router.get("/api/postVideoSponsorTimes", void oldSubmitSponsorTimes);
+    router.post("/api/postVideoSponsorTimes", void oldSubmitSponsorTimes);
 
     //add the skip segments functions
-    router.get("/api/skipSegments", getSkipSegments);
-    router.post("/api/skipSegments", postSkipSegments);
+    router.get("/api/skipSegments", void getSkipSegments);
+    router.post("/api/skipSegments", void postSkipSegments);
 
     // add the privacy protecting skip segments functions
-    router.get("/api/skipSegments/:prefix", getSkipSegmentsByHash);
+    router.get("/api/skipSegments/:prefix", void getSkipSegmentsByHash);
 
     //voting endpoint
     router.get("/api/voteOnSponsorTime", ...voteEndpoints);
@@ -107,106 +107,106 @@ function setupRoutes(router: Router) {
     router.post("/api/viewedVideoSponsorTime", ...viewEndpoints);
 
     //To set your username for the stats view
-    router.post("/api/setUsername", setUsername);
+    router.post("/api/setUsername", void setUsername);
 
     //get what username this user has
-    router.get("/api/getUsername", getUsername);
+    router.get("/api/getUsername", void getUsername);
 
     //Endpoint used to hide a certain user's data
-    router.post("/api/shadowBanUser", shadowBanUser);
+    router.post("/api/shadowBanUser", void shadowBanUser);
 
     //Endpoint used to make a user a VIP user with special privileges
-    router.post("/api/addUserAsVIP", addUserAsVIP);
+    router.post("/api/addUserAsVIP", void addUserAsVIP);
     //Endpoint to add a user as a temporary VIP
-    router.post("/api/addUserAsTempVIP", addUserAsTempVIP);
+    router.post("/api/addUserAsTempVIP", void addUserAsTempVIP);
 
     //Gets all the views added up for one userID
     //Useful to see how much one user has contributed
-    router.get("/api/getViewsForUser", getViewsForUser);
+    router.get("/api/getViewsForUser", void getViewsForUser);
 
     //Gets all the saved time added up (views * sponsor length) for one userID
     //Useful to see how much one user has contributed
     //In minutes
-    router.get("/api/getSavedTimeForUser", getSavedTimeForUser);
+    router.get("/api/getSavedTimeForUser", void getSavedTimeForUser);
 
-    router.get("/api/getTopUsers", getTopUsers);
-    router.get("/api/getTopCategoryUsers", getTopCategoryUsers);
+    router.get("/api/getTopUsers", void getTopUsers);
+    router.get("/api/getTopCategoryUsers", void getTopCategoryUsers);
 
     //send out totals
     //send the total submissions, total views and total minutes saved
-    router.get("/api/getTotalStats", getTotalStats);
+    router.get("/api/getTotalStats", void getTotalStats);
 
-    router.get("/api/getUserInfo", getUserInfo);
-    router.get("/api/userInfo", getUserInfo);
+    router.get("/api/getUserInfo", void getUserInfo);
+    router.get("/api/userInfo", void getUserInfo);
 
     //send out a formatted time saved total
-    router.get("/api/getDaysSavedFormatted", getDaysSavedFormatted);
+    router.get("/api/getDaysSavedFormatted", void getDaysSavedFormatted);
 
     //submit video to lock categories
-    router.post("/api/noSegments", postLockCategories);
-    router.post("/api/lockCategories", postLockCategories);
+    router.post("/api/noSegments", void postLockCategories);
+    router.post("/api/lockCategories", void postLockCategories);
 
-    router.delete("/api/noSegments", deleteLockCategoriesEndpoint);
-    router.delete("/api/lockCategories", deleteLockCategoriesEndpoint);
+    router.delete("/api/noSegments", void deleteLockCategoriesEndpoint);
+    router.delete("/api/lockCategories", void deleteLockCategoriesEndpoint);
 
     //get if user is a vip
-    router.get("/api/isUserVIP", getIsUserVIP);
+    router.get("/api/isUserVIP", void getIsUserVIP);
 
     //sent user a warning
-    router.post("/api/warnUser", postWarning);
+    router.post("/api/warnUser", void postWarning);
 
     //get if user is a vip
-    router.post("/api/segmentShift", postSegmentShift);
+    router.post("/api/segmentShift", void postSegmentShift);
 
     //get segment info
-    router.get("/api/segmentInfo", getSegmentInfo);
+    router.get("/api/segmentInfo", void getSegmentInfo);
 
     //clear cache as VIP
-    router.post("/api/clearCache", postClearCache);
+    router.post("/api/clearCache", void postClearCache);
 
     //purge all segments for VIP
-    router.post("/api/purgeAllSegments", postPurgeAllSegments);
+    router.post("/api/purgeAllSegments", void postPurgeAllSegments);
 
-    router.post("/api/unlistedVideo", addUnlistedVideo);
+    router.post("/api/unlistedVideo", void addUnlistedVideo);
 
     // get userID from username
-    router.get("/api/userID", getUserID);
+    router.get("/api/userID", void getUserID);
 
     // get lock categores from userID
-    router.get("/api/lockCategories", getLockCategories);
+    router.get("/api/lockCategories", void getLockCategories);
 
     // get privacy protecting lock categories functions
-    router.get("/api/lockCategories/:prefix", getLockCategoriesByHash);
+    router.get("/api/lockCategories/:prefix", void getLockCategoriesByHash);
 
     // get all segments that match a search
-    router.get("/api/searchSegments", getSearchSegments);
+    router.get("/api/searchSegments", void getSearchSegments);
 
     // autocomplete chapter names
-    router.get("/api/chapterNames", getChapterNames);
+    router.get("/api/chapterNames", void getChapterNames);
 
     // get status
-    router.get("/api/status/:value", getStatus);
-    router.get("/api/status", getStatus);
+    router.get("/api/status/:value", void getStatus);
+    router.get("/api/status", void getStatus);
 
-    router.get("/api/youtubeApiProxy", youtubeApiProxy);
+    router.get("/api/youtubeApiProxy", void youtubeApiProxy);
     // get user category stats
-    router.get("/api/userStats", getUserStats);
+    router.get("/api/userStats", void getUserStats);
 
-    router.get("/api/lockReason", getLockReason);
+    router.get("/api/lockReason", void getLockReason);
 
-    router.post("/api/feature", addFeature);
+    router.post("/api/feature", void addFeature);
 
-    router.get("/api/generateToken/:type", generateTokenRequest);
-    router.get("/api/verifyToken", verifyTokenRequest);
+    router.get("/api/generateToken/:type", void generateTokenRequest);
+    router.get("/api/verifyToken", void verifyTokenRequest);
 
     if (config.postgres?.enabled) {
-        router.get("/database", (req, res) => dumpDatabase(req, res, true));
-        router.get("/database.json", (req, res) => dumpDatabase(req, res, false));
-        router.get("/database/*", downloadFile);
+        router.get("/database", (req, res) => void dumpDatabase(req, res, true));
+        router.get("/database.json", (req, res) => void dumpDatabase(req, res, false));
+        router.get("/database/*", void downloadFile);
         router.use("/download", express.static(appExportPath));
     } else {
         router.get("/database.db", function (req: Request, res: Response) {
             res.sendFile("./databases/sponsorTimes.db", { root: "./" });
         });
     }
-}
+}

src/cronjob/downvoteSegmentArchiveJob.ts

@@ -57,7 +57,7 @@ export const archiveDownvoteSegment = async (dayLimit: number, voteLimit: number
 
 const DownvoteSegmentArchiveJob = new CronJob(
     jobConfig?.schedule || "0 0 * * * 0",
-    () => archiveDownvoteSegment(jobConfig?.timeThresholdInDays, jobConfig?.voteThreshold)
+    () => void archiveDownvoteSegment(jobConfig?.timeThresholdInDays, jobConfig?.voteThreshold)
 );
 
 if (serverConfig?.crons?.enabled && jobConfig && !jobConfig.schedule) {

src/databases/Postgres.ts

@@ -177,7 +177,7 @@ export class Postgres implements IDatabase {
             );
         }
 
-        client.end();
+        client.end().catch(err => Logger.error(`closing db (postgres): ${err}`));
     }
 
     private async upgradeDB(fileNamePrefix: string, schemaFolder: string) {

src/index.ts

@@ -27,4 +27,4 @@ async function init() {
     }).setTimeout(15000);
 }
 
-init();
+init().catch((err) => Logger.error(err));

src/middleware/requestRateLimit.ts

@@ -22,6 +22,7 @@ export function rateLimitMiddleware(limitConfig: RateLimitConfig, getUserID?: (r
         keyGenerator: (req) => {
             return getHash(getIP(req), 1);
         },
+        // eslint-disable-next-line @typescript-eslint/no-misused-promises
         handler: async (req, res, next) => {
             if (getUserID === undefined || !await isUserVIP(await getHashCache(getUserID(req)))) {
                 return res.status(limitConfig.statusCode).send(limitConfig.message);

src/routes/dumpDatabase.ts

@@ -75,6 +75,7 @@ function removeOutdatedDumps(exportPath: string): Promise<void> {
         }, {});
 
         // read files in export directory
+        // eslint-disable-next-line @typescript-eslint/no-misused-promises
         fs.readdir(exportPath, async (err: any, files: string[]) => {
             if (err) Logger.error(err);
             if (err) return resolve();

src/routes/getTopCategoryUsers.ts

@@ -4,7 +4,7 @@ import { config } from "../config";
 import { Request, Response } from "express";
 
 const MILLISECONDS_IN_MINUTE = 60000;
-const getTopCategoryUsersWithCache = createMemoryCache(generateTopCategoryUsersStats, config.getTopUsersCacheTimeMinutes * MILLISECONDS_IN_MINUTE);
+const getTopCategoryUsersWithCache = createMemoryCache(void generateTopCategoryUsersStats, config.getTopUsersCacheTimeMinutes * MILLISECONDS_IN_MINUTE);
 const maxRewardTimePerSegmentInSeconds = config.maxRewardTimePerSegmentInSeconds ?? 86400;
 
 interface DBSegment {

src/routes/getTopUsers.ts

@@ -4,7 +4,7 @@ import { config } from "../config";
 import { Request, Response } from "express";
 
 const MILLISECONDS_IN_MINUTE = 60000;
-const getTopUsersWithCache = createMemoryCache(generateTopUsersStats, config.getTopUsersCacheTimeMinutes * MILLISECONDS_IN_MINUTE);
+const getTopUsersWithCache = createMemoryCache(void generateTopUsersStats, config.getTopUsersCacheTimeMinutes * MILLISECONDS_IN_MINUTE);
 const maxRewardTimePerSegmentInSeconds = config.maxRewardTimePerSegmentInSeconds ?? 86400;
 
 async function generateTopUsersStats(sortBy: string, categoryStatsEnabled = false) {

src/routes/postSkipSegments.ts

@@ -76,7 +76,7 @@ async function sendWebhooks(apiVideoInfo: APIVideoInfo, userID: string, videoID:
         sendWebhookNotification(userID, videoID, UUID, userSubmissionCountRow.submissionCount, data, {
             submissionStart: startTime,
             submissionEnd: endTime,
-        }, segmentInfo);
+        }, segmentInfo).catch(Logger.error);
 
         // If it is a first time submission
         // Then send a notification to discord
@@ -395,7 +395,7 @@ async function updateDataIfVideoDurationChange(videoID: VideoID, service: Servic
             await db.prepare("run", `UPDATE "sponsorTimes" SET "hidden" = 1 WHERE "UUID" = ?`, [submission.UUID]);
         }
         lockedCategoryList = [];
-        deleteLockCategories(videoID, null, null, service);
+        deleteLockCategories(videoID, null, null, service).catch(Logger.error);
     }
 
     return {
@@ -614,7 +614,7 @@ export async function postSkipSegments(req: Request, res: Response): Promise<Res
     }
 
     for (let i = 0; i < segments.length; i++) {
-        sendWebhooks(apiVideoInfo, userID, videoID, UUIDs[i], segments[i], service);
+        sendWebhooks(apiVideoInfo, userID, videoID, UUIDs[i], segments[i], service).catch(Logger.error);
     }
     return res.json(newSegments);
 }

src/routes/verifyToken.ts

@@ -25,7 +25,7 @@ export async function verifyTokenRequest(req: VerifyTokenRequest, res: Response)
         const identity = await getPatreonIdentity(tokens.accessToken);
 
         if (tokens.expiresIn < 15 * 24 * 60 * 60) {
-            refreshToken(TokenType.patreon, licenseKey, tokens.refreshToken);
+            refreshToken(TokenType.patreon, licenseKey, tokens.refreshToken).catch(Logger.error);
         }
 
         if (identity) {

src/routes/voteOnSponsorTime.ts

@@ -412,7 +412,7 @@ export async function vote(ip: IPAddress, UUID: SegmentUUID, paramUserID: UserID
     // no restrictions on checkDuration
     // check duration of all submissions on this video
     if (type <= 0) {
-        checkVideoDuration(UUID);
+        checkVideoDuration(UUID).catch(Logger.error);
     }
 
     try {
@@ -525,7 +525,7 @@ export async function vote(ip: IPAddress, UUID: SegmentUUID, paramUserID: UserID
                 incrementAmount,
                 oldIncrementAmount,
                 finalResponse
-            });
+            }).catch(Logger.error);
         }
         return { status: finalResponse.finalStatus, message: finalResponse.finalMessage ?? undefined };
     } catch (err) {

src/utils/queryCacher.ts

@@ -53,7 +53,7 @@ async function getAndSplit<T, U extends string>(fetchFromDB: (values: U[]) => Pr
     if (valuesToBeFetched.length > 0) {
         data = await fetchFromDB(valuesToBeFetched);
 
-        new Promise(() => {
+        void new Promise(() => {
             const newResults: Record<string, T[]> = {};
             for (const item of data) {
                 const splitValue = (item as unknown as Record<string, string>)[splitKey];

src/utils/redis.ts

@@ -28,7 +28,7 @@ let exportClient: RedisSB = {
 if (config.redis?.enabled) {
     Logger.info("Connected to redis");
     const client = createClient(config.redis);
-    client.connect();
+    void client.connect(); // void as we don't care about the promise
     exportClient = client as RedisSB;
 
     const get = client.get.bind(client);
@@ -40,7 +40,7 @@ if (config.redis?.enabled) {
         }).catch((err) => reject(err));
     });
     exportClient.increment = (key) => new Promise((resolve, reject) =>
-        client.multi()
+        void client.multi()
             .incr(key)
             .expire(key, 60)
             .exec()

src/utils/youtubeApi.ts

@@ -39,8 +39,8 @@ export class YouTubeAPI {
                 }
                 const apiResult = data as APIVideoData;
                 DiskCache.set(cacheKey, apiResult)
-                    .catch((err: any) => Logger.warn(err))
-                    .then(() => Logger.debug(`YouTube API: video information cache set for: ${videoID}`));
+                    .then(() => Logger.debug(`YouTube API: video information cache set for: ${videoID}`))
+                    .catch((err: any) => Logger.warn(err));
 
                 return { err: false, data: apiResult };
             } else {