diff --git a/src/routes/api/import.js b/src/routes/api/import.ts
similarity index 65%
rename from src/routes/api/import.js
rename to src/routes/api/import.ts
index 978fe9d7c..6062ae37f 100644
--- a/src/routes/api/import.js
+++ b/src/routes/api/import.ts
@@ -1,18 +1,20 @@
 "use strict";
 
-const enexImportService = require('../../services/import/enex');
-const opmlImportService = require('../../services/import/opml');
-const zipImportService = require('../../services/import/zip');
-const singleImportService = require('../../services/import/single');
-const cls = require('../../services/cls');
-const path = require('path');
-const becca = require('../../becca/becca');
-const beccaLoader = require('../../becca/becca_loader');
-const log = require('../../services/log');
-const TaskContext = require('../../services/task_context');
-const ValidationError = require('../../errors/validation_error');
+import enexImportService = require('../../services/import/enex');
+import opmlImportService = require('../../services/import/opml');
+import zipImportService = require('../../services/import/zip');
+import singleImportService = require('../../services/import/single');
+import cls = require('../../services/cls');
+import path = require('path');
+import becca = require('../../becca/becca');
+import beccaLoader = require('../../becca/becca_loader');
+import log = require('../../services/log');
+import TaskContext = require('../../services/task_context');
+import ValidationError = require('../../errors/validation_error');
+import { Request } from 'express';
+import BNote = require('../../becca/entities/bnote');
 
-async function importNotesToBranch(req) {
+async function importNotesToBranch(req: Request) {
     const { parentNoteId } = req.params;
     const { taskId, last } = req.body;
 
@@ -25,7 +27,7 @@ async function importNotesToBranch(req) {
         replaceUnderscoresWithSpaces: req.body.replaceUnderscoresWithSpaces !== 'false'
     };
 
-    const file = req.file;
+    const file = (req as any).file;
 
     if (!file) {
         throw new ValidationError("No file has been uploaded");
@@ -42,7 +44,7 @@ async function importNotesToBranch(req) {
     // eliminate flickering during import
     cls.ignoreEntityChangeIds();
 
-    let note; // typically root of the import - client can show it after finishing the import
+    let note: BNote | null; // typically root of the import - client can show it after finishing the import
 
     const taskContext = TaskContext.getInstance(taskId, 'importNotes', options);
 
@@ -50,14 +52,24 @@ async function importNotesToBranch(req) {
         if (extension === '.zip' && options.explodeArchives) {
             note = await zipImportService.importZip(taskContext, file.buffer, parentNote);
         } else if (extension === '.opml' && options.explodeArchives) {
-            note = await opmlImportService.importOpml(taskContext, file.buffer, parentNote);
+            const importResult = await opmlImportService.importOpml(taskContext, file.buffer, parentNote);
+            if (!Array.isArray(importResult)) {
+                note = importResult;
+            } else {
+                return importResult;
+            }
         } else if (extension === '.enex' && options.explodeArchives) {
-            note = await enexImportService.importEnex(taskContext, file, parentNote);
+            const importResult = await enexImportService.importEnex(taskContext, file, parentNote);
+            if (!Array.isArray(importResult)) {
+                note = importResult;
+            } else {
+                return importResult;
+            }
         } else {
             note = await singleImportService.importSingleFile(taskContext, file, parentNote);
         }
     }
-    catch (e) {
+    catch (e: any) {
         const message = `Import failed with following error: '${e.message}'. More details might be in the logs.`;
         taskContext.reportError(message);
 
@@ -66,11 +78,15 @@ async function importNotesToBranch(req) {
         return [500, message];
     }
 
+    if (!note) {
+        return [500, "No note was generated as a result of the import."];
+    }
+
     if (last === "true") {
         // small timeout to avoid race condition (the message is received before the transaction is committed)
         setTimeout(() => taskContext.taskSucceeded({
             parentNoteId: parentNoteId,
-            importedNoteId: note.noteId
+            importedNoteId: note?.noteId
         }), 1000);
     }
 
@@ -80,7 +96,7 @@ async function importNotesToBranch(req) {
     return note.getPojo();
 }
 
-async function importAttachmentsToNote(req) {
+async function importAttachmentsToNote(req: Request) {
     const { parentNoteId } = req.params;
     const { taskId, last } = req.body;
 
@@ -88,7 +104,7 @@ async function importAttachmentsToNote(req) {
         shrinkImages: req.body.shrinkImages !== 'false',
     };
 
-    const file = req.file;
+    const file = (req as any).file;
 
     if (!file) {
         throw new ValidationError("No file has been uploaded");
@@ -102,7 +118,7 @@ async function importAttachmentsToNote(req) {
     try {
         await singleImportService.importAttachment(taskContext, file, parentNote);
     }
-    catch (e) {
+    catch (e: any) {
         const message = `Import failed with following error: '${e.message}'. More details might be in the logs.`;
         taskContext.reportError(message);
 
@@ -119,7 +135,7 @@ async function importAttachmentsToNote(req) {
     }
 }
 
-module.exports = {
+export = {
     importNotesToBranch,
     importAttachmentsToNote
 };
diff --git a/src/routes/routes.js b/src/routes/routes.js
index 21dbe6166..384c2c737 100644
--- a/src/routes/routes.js
+++ b/src/routes/routes.js
@@ -37,7 +37,7 @@ const loginApiRoute = require('./api/login.js');
 const recentNotesRoute = require('./api/recent_notes.js');
 const appInfoRoute = require('./api/app_info');
 const exportRoute = require('./api/export');
-const importRoute = require('./api/import.js');
+const importRoute = require('./api/import');
 const setupApiRoute = require('./api/setup.js');
 const sqlRoute = require('./api/sql');
 const databaseRoute = require('./api/database');
diff --git a/src/services/import/enex.ts b/src/services/import/enex.ts
index 8277ae1bd..5e715a0ca 100644
--- a/src/services/import/enex.ts
+++ b/src/services/import/enex.ts
@@ -55,7 +55,7 @@ interface Note {
 let note: Partial<Note> = {};
 let resource: Resource;
 
-function importEnex(taskContext: TaskContext, file: File, parentNote: BNote) {
+function importEnex(taskContext: TaskContext, file: File, parentNote: BNote): Promise<BNote> {
     const saxStream = sax.createStream(true);
 
     const rootNoteTitle = file.originalname.toLowerCase().endsWith(".enex")
diff --git a/src/services/task_context.ts b/src/services/task_context.ts
index bacf3e8f8..27f7d1358 100644
--- a/src/services/task_context.ts
+++ b/src/services/task_context.ts
@@ -66,7 +66,7 @@ class TaskContext {
         });
     }
 
-    taskSucceeded(result?: string) {
+    taskSucceeded(result?: string | Record<string, string | undefined>) {
         ws.sendMessageToAllClients({
             type: 'taskSucceeded',
             taskId: this.taskId,
diff --git a/src/services/ws.ts b/src/services/ws.ts
index 1b581d358..f3217bfd2 100644
--- a/src/services/ws.ts
+++ b/src/services/ws.ts
@@ -42,7 +42,7 @@ interface Message {
     taskType?: string | null;
     message?: string;
     reason?: string;    
-    result?: string;
+    result?: string | Record<string, string | undefined>;
 
     script?: string;
     params?: any[];