esm version

Author: max-ostapenko

src/__tests__/routes.test.js

@@ -1,48 +1,54 @@
-const request = require('supertest');
-const { app } = require('../index');
+import request from 'supertest';
+import { jest } from '@jest/globals';
+
+// Mock the entire utils/db module using ESM-compatible mocking
+jest.unstable_mockModule('../utils/db.js', () => {
+  const mockDoc = {
+    data: () => ({
+      technology: 'WordPress',
+      category: 'CMS',
+      description: 'A popular content management system',
+      icon: 'wordpress.svg',
+      origins: ['WordPress Foundation'],
+      rank: 'ALL',
+      geo: 'ALL',
+      date: '2023-01-01'
+    }),
+    get: (field) => {
+      const mockData = {
+        technology: 'WordPress',
+        category: 'CMS',
+        rank: 'ALL',
+        geo: 'ALL',
+        date: '2023-01-01'
+      };
+      return mockData[field] || 'Mock Value';
+    }
+  };
+
+  const mockQuerySnapshot = {
+    empty: false,
+    forEach: (callback) => {
+      callback(mockDoc);
+    },
+    docs: [mockDoc]
+  };
+
+  // Create a chainable query mock - avoid infinite recursion
+  const mockQuery = {
+    where: jest.fn(),
+    orderBy: jest.fn(),
+    limit: jest.fn(),
+    get: jest.fn().mockResolvedValue(mockQuerySnapshot)
+  };
+
+  // Make the methods chainable by returning the same mock object
+  mockQuery.where.mockReturnValue(mockQuery);
+  mockQuery.orderBy.mockReturnValue(mockQuery);
+  mockQuery.limit.mockReturnValue(mockQuery);
 
-// Mock Firestore
-jest.mock('../utils/db', () => {
   const mockFirestoreInstance = {
-    collection: jest.fn().mockReturnThis(),
-    where: jest.fn().mockReturnThis(),
-    orderBy: jest.fn().mockReturnThis(),
-    limit: jest.fn().mockReturnThis(),
-    get: jest.fn().mockResolvedValue({
-      empty: false,
-      forEach: (callback) => {
-        // Mock technology data
-        callback({
-          data: () => ({
-            technology: 'WordPress',
-            category: 'CMS',
-            description: 'A popular content management system',
-            icon: 'wordpress.svg',
-            origins: ['WordPress Foundation']
-          }),
-          get: (field) => {
-            const mockData = {
-              technology: 'WordPress',
-              category: 'CMS',
-              rank: 'ALL',
-              geo: 'ALL',
-              date: '2023-01-01'
-            };
-            return mockData[field] || 'Mock Value';
-          }
-        });
-      },
-      docs: [{
-        data: () => ({
-          technology: 'WordPress',
-          category: 'CMS',
-          description: 'A popular content management system',
-          icon: 'wordpress.svg',
-          origins: ['WordPress Foundation'],
-          date: '2023-01-01'
-        })
-      }]
-    })
+    collection: jest.fn().mockImplementation((collectionName) => mockQuery)
   };
 
   return {
@@ -51,6 +57,9 @@ jest.mock('../utils/db', () => {
   };
 });
 
+// Import app after mocking
+const { app } = await import('../index.js');
+
 describe('API Routes', () => {
   describe('Health Check', () => {
     it('should return a health check response', async () => {

src/controllers/adoptionController.js

@@ -1,16 +1,16 @@
-const { firestoreOld } = require('../utils/db');
+import { firestoreOld } from '../utils/db.js';
 const firestore = firestoreOld;
 
-const { createSuccessResponse } = require('../utils/helpers');
-const {
+import { createSuccessResponse } from '../utils/helpers.js';
+import {
   REQUIRED_PARAMS,
   validateRequiredParams,
   sendValidationError,
   applyDateFilters,
   applyStandardFilters,
   preprocessParams,
   handleControllerError
-} = require('../utils/controllerHelpers');
+} from '../utils/controllerHelpers.js';
 
 const TABLE = 'adoption';
 
@@ -63,6 +63,6 @@ const listAdoptionData = async (req, res) => {
   }
 };
 
-module.exports = {
-  listAdoption: listAdoptionData
+export {
+  listAdoptionData
 };

src/controllers/categoriesController.js

@@ -1,6 +1,6 @@
-const { firestore } = require('../utils/db');
-const { createSuccessResponse } = require('../utils/helpers');
-const { applyArrayFilter, selectFields, handleControllerError } = require('../utils/controllerHelpers');
+import { firestore } from '../utils/db.js';
+import { createSuccessResponse } from '../utils/helpers.js';
+import { applyArrayFilter, selectFields, handleControllerError } from '../utils/controllerHelpers.js';
 
 /**
  * List categories with optional filtering and field selection
@@ -42,6 +42,4 @@ const listCategories = async (req, res) => {
   }
 };
 
-module.exports = {
-  listCategories
-};
+export { listCategories };

src/controllers/cwvtechController.js

@@ -1,16 +1,16 @@
-const { firestoreOld } = require('../utils/db');
+import { firestoreOld } from '../utils/db.js';
 const firestore = firestoreOld;
 
-const { createSuccessResponse } = require('../utils/helpers');
-const {
+import { createSuccessResponse } from '../utils/helpers.js';
+import {
   REQUIRED_PARAMS,
   validateRequiredParams,
   sendValidationError,
   applyDateFilters,
   applyStandardFilters,
   preprocessParams,
   handleControllerError
-} = require('../utils/controllerHelpers');
+} from '../utils/controllerHelpers.js';
 
 const TABLE = 'core_web_vitals';
 
@@ -63,6 +63,6 @@ const listCWVTechData = async (req, res) => {
   }
 };
 
-module.exports = {
-  listCwvtech: listCWVTechData
+export {
+  listCWVTechData
 };

src/controllers/geosController.js

@@ -1,6 +1,6 @@
-const { firestore } = require('../utils/db');
-const { createSuccessResponse } = require('../utils/helpers');
-const { handleControllerError } = require('../utils/controllerHelpers');
+import { firestore } from '../utils/db.js';
+import { createSuccessResponse } from '../utils/helpers.js';
+import { handleControllerError } from '../utils/controllerHelpers.js';
 
 /**
  * List all geographic locations from database
@@ -22,6 +22,6 @@ const listGeos = async (req, res) => {
   }
 };
 
-module.exports = {
+export {
   listGeos
 };

src/controllers/lighthouseController.js

@@ -1,16 +1,16 @@
-const { firestoreOld } = require('../utils/db');
+import { firestoreOld } from '../utils/db.js';
 const firestore = firestoreOld;
 
-const { createSuccessResponse } = require('../utils/helpers');
-const {
+import { createSuccessResponse } from '../utils/helpers.js';
+import {
   REQUIRED_PARAMS,
   validateRequiredParams,
   sendValidationError,
   applyDateFilters,
   applyStandardFilters,
   preprocessParams,
   handleControllerError
-} = require('../utils/controllerHelpers');
+} from '../utils/controllerHelpers.js';
 
 const TABLE = 'lighthouse';
 
@@ -63,6 +63,6 @@ const listLighthouseData = async (req, res) => {
   }
 };
 
-module.exports = {
-  listLighthouse: listLighthouseData
+export {
+  listLighthouseData
 };

src/controllers/pageWeightController.js

@@ -1,16 +1,16 @@
-const { firestoreOld } = require('../utils/db');
+import { firestoreOld } from '../utils/db.js';
 const firestore = firestoreOld;
 
-const { createSuccessResponse } = require('../utils/helpers');
-const {
+import { createSuccessResponse } from '../utils/helpers.js';
+import {
   REQUIRED_PARAMS,
   validateRequiredParams,
   sendValidationError,
   applyDateFilters,
   applyStandardFilters,
   preprocessParams,
   handleControllerError
-} = require('../utils/controllerHelpers');
+} from '../utils/controllerHelpers.js';
 
 const TABLE = 'page_weight';
 
@@ -63,6 +63,6 @@ const listPageWeightData = async (req, res) => {
   }
 };
 
-module.exports = {
-  listPageWeight: listPageWeightData
+export {
+  listPageWeightData
 };

src/controllers/ranksController.js

@@ -1,6 +1,6 @@
-const { firestore } = require('../utils/db');
-const { createSuccessResponse } = require('../utils/helpers');
-const { handleControllerError } = require('../utils/controllerHelpers');
+import { firestore } from '../utils/db.js';
+import { createSuccessResponse } from '../utils/helpers.js';
+import { handleControllerError } from '../utils/controllerHelpers.js';
 
 /**
  * List all rank options from database
@@ -23,6 +23,6 @@ const listRanks = async (req, res) => {
   }
 };
 
-module.exports = {
+export {
   listRanks
 };

src/controllers/technologiesController.js

@@ -1,6 +1,6 @@
-const { firestore } = require('../utils/db');
-const { createSuccessResponse } = require('../utils/helpers');
-const { applyArrayFilter, selectFields, handleControllerError } = require('../utils/controllerHelpers');
+import { firestore } from '../utils/db.js';
+import { createSuccessResponse } from '../utils/helpers.js';
+import { applyArrayFilter, selectFields, handleControllerError } from '../utils/controllerHelpers.js';
 
 // Technology Presenter - optimized with destructuring
 const presentTechnology = ({ technology, category, description, icon, origins }) => ({
@@ -52,6 +52,6 @@ const listTechnologies = async (req, res) => {
   }
 };
 
-module.exports = {
+export {
   listTechnologies
 };

src/controllers/versionsController.js

@@ -1,6 +1,6 @@
-const { firestore } = require('../utils/db');
-const { createSuccessResponse } = require('../utils/helpers');
-const { applyArrayFilter, handleControllerError } = require('../utils/controllerHelpers');
+import { firestore } from '../utils/db.js';
+import { createSuccessResponse } from '../utils/helpers.js';
+import { applyArrayFilter, handleControllerError } from '../utils/controllerHelpers.js';
 
 /**
  * List versions with optional technology filtering
@@ -30,6 +30,6 @@ const listVersions = async (req, res) => {
   }
 };
 
-module.exports = {
+export {
   listVersions
 };