Update Jest configuration to include TypeScript support and add new code quality checks workflow; translate comments to Russian and adjust paths in test files.

server/routers/procurement/routes/__tests__/buyProducts.test.js

@@ -1,6 +1,7 @@
 const express = require('express')
 const mongoose = require('mongoose')
 const request = require('supertest')
+const { describe, it, beforeAll, expect } = require('@jest/globals')
 
 // Mock auth middleware
 const mockAuthMiddleware = (req, res, next) => {

server/routers/procurement/routes/auth.js

@@ -136,6 +136,7 @@ const waitForDatabaseConnection = async () => {
     }
 
     try {
+      // eslint-disable-next-line no-undef
       const connection = await connectDB();
       if (!connection) {
         break;
@@ -218,6 +219,7 @@ const initializeTestUser = async () => {
     console.error('Error initializing test data:', error.message);
     if (error?.code === 13 || /auth/i.test(error?.message || '')) {
       try {
+        // eslint-disable-next-line no-undef
         await connectDB();
       } catch (connectError) {
         if (process.env.DEV === 'true') {

server/routers/procurement/routes/buy.js

@@ -202,6 +202,7 @@ router.get('/docs/:id/file', async (req, res) => {
     }
     
     const mimeType = mimeTypes[doc.type] || 'application/octet-stream'
+    // eslint-disable-next-line no-useless-escape
     const sanitizedName = doc.name.replace(/[^\w\s\-\.]/g, '_')
     
     res.setHeader('Content-Type', mimeType)

server/routers/procurement/routes/buyProducts.js

@@ -37,6 +37,7 @@ const storage = multer.diskStorage({
     const originalExtension = path.extname(fixedName) || '';
     const baseName = path
       .basename(fixedName, originalExtension)
+      // eslint-disable-next-line no-control-regex
       .replace(/[<>:"/\\|?*\x00-\x1F]+/g, '_'); // Убираем только недопустимые символы Windows, оставляем кириллицу
     cb(null, `${Date.now()}_${baseName}${originalExtension}`);
   },