server-ts: Address review

src/becca/entities/abstract_becca_entity.ts

@@ -11,7 +11,7 @@ import protectedSessionService = require('../../services/protected_session');
 import blobService = require('../../services/blob');
 import Becca, { ConstructorData } from '../becca-interface';
 
-let becca: Becca | null = null;
+let becca: Becca;
 
 interface ContentOpts {
     forceSave?: boolean;

src/becca/similarity.ts

@@ -153,7 +153,7 @@ function buildRewardMap(note: BNote) {
 
 const mimeCache: Record<string, string> = {};
 
-function trimMime(mime?: string) {
+function trimMime(mime: string) {
     if (!mime || mime === 'text/html') {
         return;
     }

src/services/auth.ts

@@ -7,13 +7,11 @@ import utils = require('./utils');
 import passwordEncryptionService = require('./encryption/password_encryption');
 import config = require('./config');
 import passwordService = require('./encryption/password');
+import type { Request } from 'express';
 
 const noAuthentication = config.General && config.General.noAuthentication === true;
 
-// TODO: We are using custom types for request & response because couldn't extract those pesky express types.
-interface Request {
-    method: string;
-    path: string;
+interface AppRequest extends Request {
     headers: {
         authorization?: string;
         "trilium-cred"?: string;
@@ -30,7 +28,7 @@ interface Response {
 
 type Callback = () => void;
 
-function checkAuth(req: Request, res: Response, next: Callback) {
+function checkAuth(req: AppRequest, res: Response, next: Callback) {
     if (!sqlInit.isDbInitialized()) {
         res.redirect("setup");
     }
@@ -44,7 +42,7 @@ function checkAuth(req: Request, res: Response, next: Callback) {
 
 // for electron things which need network stuff
 //  currently, we're doing that for file upload because handling form data seems to be difficult
-function checkApiAuthOrElectron(req: Request, res: Response, next: Callback) {
+function checkApiAuthOrElectron(req: AppRequest, res: Response, next: Callback) {
     if (!req.session.loggedIn && !utils.isElectron() && !noAuthentication) {
         reject(req, res, "Logged in session not found");
     }
@@ -53,7 +51,7 @@ function checkApiAuthOrElectron(req: Request, res: Response, next: Callback) {
     }
 }
 
-function checkApiAuth(req: Request, res: Response, next: Callback) {
+function checkApiAuth(req: AppRequest, res: Response, next: Callback) {
     if (!req.session.loggedIn && !noAuthentication) {
         reject(req, res, "Logged in session not found");
     }
@@ -62,7 +60,7 @@ function checkApiAuth(req: Request, res: Response, next: Callback) {
     }
 }
 
-function checkAppInitialized(req: Request, res: Response, next: Callback) {
+function checkAppInitialized(req: AppRequest, res: Response, next: Callback) {
     if (!sqlInit.isDbInitialized()) {
         res.redirect("setup");
     }
@@ -71,7 +69,7 @@ function checkAppInitialized(req: Request, res: Response, next: Callback) {
     }
 }
 
-function checkPasswordSet(req: Request, res: Response, next: Callback) {
+function checkPasswordSet(req: AppRequest, res: Response, next: Callback) {
     if (!utils.isElectron() && !passwordService.isPasswordSet()) {
         res.redirect("set-password");
     } else {
@@ -79,7 +77,7 @@ function checkPasswordSet(req: Request, res: Response, next: Callback) {
     }
 }
 
-function checkPasswordNotSet(req: Request, res: Response, next: Callback) {
+function checkPasswordNotSet(req: AppRequest, res: Response, next: Callback) {
     if (!utils.isElectron() && passwordService.isPasswordSet()) {
         res.redirect("login");
     } else {
@@ -87,7 +85,7 @@ function checkPasswordNotSet(req: Request, res: Response, next: Callback) {
     }
 }
 
-function checkAppNotInitialized(req: Request, res: Response, next: Callback) {
+function checkAppNotInitialized(req: AppRequest, res: Response, next: Callback) {
     if (sqlInit.isDbInitialized()) {
         reject(req, res, "App already initialized.");
     }
@@ -96,7 +94,7 @@ function checkAppNotInitialized(req: Request, res: Response, next: Callback) {
     }
 }
 
-function checkEtapiToken(req: Request, res: Response, next: Callback) {
+function checkEtapiToken(req: AppRequest, res: Response, next: Callback) {
     if (etapiTokenService.isValidAuthHeader(req.headers.authorization)) {
         next();
     }
@@ -105,7 +103,7 @@ function checkEtapiToken(req: Request, res: Response, next: Callback) {
     }
 }
 
-function reject(req: Request, res: Response, message: string) {
+function reject(req: AppRequest, res: Response, message: string) {
     log.info(`${req.method} ${req.path} rejected with 401 ${message}`);
 
     res.setHeader("Content-Type", "text/plain")
@@ -113,7 +111,7 @@ function reject(req: Request, res: Response, message: string) {
         .send(message);
 }
 
-function checkCredentials(req: Request, res: Response, next: Callback) {
+function checkCredentials(req: AppRequest, res: Response, next: Callback) {
     if (!sqlInit.isDbInitialized()) {
         res.setHeader("Content-Type", "text/plain")
             .status(400)

src/services/date_utils.ts

@@ -80,7 +80,7 @@ function validateLocalDateTime(str: string | null | undefined) {
     }
 }
 
-function validateUtcDateTime(str?: string) {
+function validateUtcDateTime(str: string | undefined) {
     if (!str) {
         return;
     }

src/services/etapi_tokens.ts

@@ -25,7 +25,7 @@ function createToken(tokenName: string) {
     };
 }
 
-function parseAuthToken(auth?: string | null) {
+function parseAuthToken(auth: string | undefined) {
     if (!auth) {
         return null;
     }
@@ -64,7 +64,7 @@ function parseAuthToken(auth?: string | null) {
     }
 }
 
-function isValidAuthHeader(auth?: string | null) {
+function isValidAuthHeader(auth: string | undefined) {
     const parsed = parseAuthToken(auth);
 
     if (!parsed) {

src/services/keyboard_actions.ts

@@ -623,7 +623,7 @@ function getKeyboardActions() {
 
     for (const option of optionService.getOptions()) {
         if (option.name.startsWith('keyboardShortcuts')) {
-            let actionName = option.name.substr(17);
+            let actionName = option.name.substring(17);
             actionName = actionName.charAt(0).toLowerCase() + actionName.slice(1);
 
             const action = actions.find(ea => ea.actionName === actionName);

src/services/notes.ts

@@ -873,7 +873,7 @@ function getUndeletedParentBranchIds(noteId: string, deleteId: string) {
                       AND parentNote.isDeleted = 0`, [noteId, deleteId]);
 }
 
-function scanForLinks(note: BNote | null, content: string) {
+function scanForLinks(note: BNote, content: string) {
     if (!note || !['text', 'relationMap'].includes(note.type)) {
         return;
     }

src/services/sql.ts

@@ -144,7 +144,7 @@ function getRows<T>(query: string, params: Params = []): T[] {
 }
 
 function getRawRows<T extends {} | unknown[]>(query: string, params: Params = []): T[] {
-    return (wrap(query, s => s.raw().all(params)) as T[] | null) || [];
+    return (wrap(query, s => s.raw().all(params)) as T[]) || [];
 }
 
 function iterateRows(query: string, params: Params = []) {