chore(deps): Update dependency vitest to v4

eslint.config.mjs

@@ -1,4 +1,5 @@
 import tsParser from '@typescript-eslint/parser'
+import importPlugin from 'eslint-plugin-import'
 import path from 'node:path'
 import { fileURLToPath } from 'node:url'
 import js from '@eslint/js'
@@ -20,8 +21,21 @@ export default [
       ecmaVersion: 2022,
       sourceType: 'module',
     },
+    plugins: {
+      import: importPlugin,
+    },
     rules: {
       '@typescript-eslint/ban-ts-comment': 'off',
+      'import/extensions': [
+        'error',
+        'always',
+        {
+          js: 'always',
+          jsx: 'always',
+          ts: 'always',
+          tsx: 'always',
+        },
+      ],
     },
   },
 ]

package.json

@@ -23,6 +23,7 @@
     "@typescript-eslint/parser": "^8.44.0",
     "eslint": "^9.35.0",
     "eslint-config-prettier": "^10.1.8",
+    "eslint-plugin-import": "^2.32.0",
     "eslint-plugin-prettier": "^5.5.4",
     "prettier": "^3.6.2",
     "rimraf": "^6.0.1",

packages/fastify-app/package.json

@@ -3,6 +3,7 @@
   "version": "0.0.0",
   "description": "Stripe sync engine. Sync your Stripe account to your Postgres database.",
   "main": "src/server.ts",
+  "type": "module",
   "scripts": {
     "clean": "rimraf dist",
     "dev": "tsx --watch ./src/server.ts",
@@ -21,15 +22,17 @@
     "@fastify/autoload": "^6.3.1",
     "@fastify/swagger": "^9.5.1",
     "@fastify/swagger-ui": "^5.2.3",
+    "@supabase/stripe-sync-engine": "workspace:",
     "dotenv": "^17.2.2",
     "fastify": "^5.6.0",
-    "@supabase/stripe-sync-engine": "workspace:",
     "stripe": "^19.0.0"
   },
   "devDependencies": {
-    "@types/pg": "^8.15.2",
     "@types/node": "^24.5.0",
-    "tsx": "^4.20.5",
-    "vitest": "^3.2.4"
+    "@types/pg": "^8.15.2",
+    "tsc-alias": "^1.8.16",
+    "tsx": "^4.20.6",
+    "vite-tsconfig-paths": "^5.1.4",
+    "vitest": "^4.0.6"
   }
 }

packages/fastify-app/src/app.ts

@@ -3,10 +3,10 @@ import autoload from '@fastify/autoload'
 import fastifySwagger from '@fastify/swagger'
 import fastifySwaggerUi from '@fastify/swagger-ui'
 import { join } from 'node:path'
-import { getConfig } from './utils/config'
+import { getConfig } from './utils/config.js'
 import { StripeSync } from '@supabase/stripe-sync-engine'
-import { errorSchema } from './error'
-import { logger } from './logger'
+import { errorSchema } from './error.js'
+import { logger } from './logger.js'
 import { type PoolConfig } from 'pg'
 
 interface buildOpts extends FastifyServerOptions {

packages/fastify-app/src/routes/sync.ts

@@ -1,5 +1,5 @@
 import { FastifyInstance } from 'fastify'
-import { verifyApiKey } from '../utils/verifyApiKey'
+import { verifyApiKey } from '../utils/verifyApiKey.js'
 import { SyncBackfillParams } from '@supabase/stripe-sync-engine'
 
 export default async function routes(fastify: FastifyInstance) {

packages/fastify-app/src/routes/sync/daily.ts

@@ -1,5 +1,5 @@
 import { FastifyInstance } from 'fastify'
-import { verifyApiKey } from '../../utils/verifyApiKey'
+import { verifyApiKey } from '../../utils/verifyApiKey.js'
 import { SyncBackfillParams } from '@supabase/stripe-sync-engine'
 
 export default async function routes(fastify: FastifyInstance) {

packages/fastify-app/src/routes/sync/monthly.ts

@@ -1,5 +1,5 @@
 import { FastifyInstance } from 'fastify'
-import { verifyApiKey } from '../../utils/verifyApiKey'
+import { verifyApiKey } from '../../utils/verifyApiKey.js'
 import { SyncBackfillParams } from '@supabase/stripe-sync-engine'
 
 export default async function routes(fastify: FastifyInstance) {

packages/fastify-app/src/routes/sync/weekly.ts

@@ -1,5 +1,5 @@
 import { FastifyInstance } from 'fastify'
-import { verifyApiKey } from '../../utils/verifyApiKey'
+import { verifyApiKey } from '../../utils/verifyApiKey.js'
 import { SyncBackfillParams } from '@supabase/stripe-sync-engine'
 
 export default async function routes(fastify: FastifyInstance) {

packages/fastify-app/src/routes/webhooks.ts

@@ -1,5 +1,5 @@
 import { FastifyInstance } from 'fastify'
-import { logger } from '../logger'
+import { logger } from '../logger.js'
 
 export default async function routes(fastify: FastifyInstance) {
   fastify.post('/webhooks', {

packages/fastify-app/src/server.ts

@@ -1,9 +1,9 @@
 import { FastifyInstance } from 'fastify'
 import { Server, IncomingMessage, ServerResponse } from 'node:http'
 import { runMigrations } from '@supabase/stripe-sync-engine'
-import { createServer } from './app'
-import { getConfig } from './utils/config'
-import { logger } from './logger'
+import { createServer } from './app.js'
+import { getConfig } from './utils/config.js'
+import { logger } from './logger.js'
 
 const main = async () => {
   const app: FastifyInstance<Server, IncomingMessage, ServerResponse> = await createServer({

packages/fastify-app/src/test/checkoutSessions.test.ts

@@ -2,9 +2,9 @@ import type Stripe from 'stripe'
 import { StripeSync } from '@supabase/stripe-sync-engine'
 import { vitest, beforeAll, describe, test, expect } from 'vitest'
 import { runMigrations } from '@supabase/stripe-sync-engine'
-import { getConfig } from '../utils/config'
-import { mockStripe } from './helpers/mockStripe'
-import { logger } from '../logger'
+import { getConfig } from '../utils/config.js'
+import { mockStripe } from './helpers/mockStripe.js'
+import { logger } from '../logger.js'
 
 let stripeSync: StripeSync
 

packages/fastify-app/src/test/entitlements.test.ts

@@ -1,9 +1,9 @@
 import { StripeSync } from '@supabase/stripe-sync-engine'
 import { vitest, beforeAll, describe, test, expect, afterAll } from 'vitest'
 import { runMigrations } from '@supabase/stripe-sync-engine'
-import { getConfig } from '../utils/config'
-import { mockStripe } from './helpers/mockStripe'
-import { logger } from '../logger'
+import { getConfig } from '../utils/config.js'
+import { mockStripe } from './helpers/mockStripe.js'
+import { logger } from '../logger.js'
 import Stripe from 'stripe'
 
 let stripeSync: StripeSync

packages/fastify-app/src/test/health.test.ts

@@ -1,7 +1,7 @@
 'use strict'
 import { FastifyInstance } from 'fastify'
 import { beforeAll, describe, test, expect, afterAll } from 'vitest'
-import { createServer } from '../app'
+import { createServer } from '../app.js'
 
 describe('/health', () => {
   let server: FastifyInstance

packages/fastify-app/src/test/invoices.test.ts

@@ -2,9 +2,9 @@ import type Stripe from 'stripe'
 import { StripeSync } from '@supabase/stripe-sync-engine'
 import { vitest, beforeAll, describe, test, expect } from 'vitest'
 import { runMigrations } from '@supabase/stripe-sync-engine'
-import { getConfig } from '../utils/config'
-import { mockStripe } from './helpers/mockStripe'
-import { logger } from '../logger'
+import { getConfig } from '../utils/config.js'
+import { mockStripe } from './helpers/mockStripe.js'
+import { logger } from '../logger.js'
 
 let stripeSync: StripeSync
 

packages/fastify-app/src/test/revalidate.test.ts

@@ -1,9 +1,9 @@
 import { StripeSync } from '@supabase/stripe-sync-engine'
 import { vitest, beforeAll, describe, test, expect, afterEach } from 'vitest'
 import { runMigrations } from '@supabase/stripe-sync-engine'
-import { getConfig } from '../utils/config'
-import { mockStripe } from './helpers/mockStripe'
-import { logger } from '../logger'
+import { getConfig } from '../utils/config.js'
+import { mockStripe } from './helpers/mockStripe.js'
+import { logger } from '../logger.js'
 import type Stripe from 'stripe'
 
 let stripeSync: StripeSync

packages/fastify-app/src/test/webhooks.test.ts

@@ -3,10 +3,10 @@ import { FastifyInstance } from 'fastify'
 import { createHmac } from 'node:crypto'
 import { PostgresClient, runMigrations } from '@supabase/stripe-sync-engine'
 import { beforeAll, describe, test, expect, afterAll, vitest } from 'vitest'
-import { getConfig } from '../utils/config'
-import { createServer } from '../app'
-import { logger } from '../logger'
-import { mockStripe } from './helpers/mockStripe'
+import { getConfig } from '../utils/config.js'
+import { createServer } from '../app.js'
+import { logger } from '../logger.js'
+import { mockStripe } from './helpers/mockStripe.js'
 import { StripeSync } from '@supabase/stripe-sync-engine'
 
 const unixtime = Math.floor(new Date().getTime() / 1000)

packages/fastify-app/src/utils/verifyApiKey.test.ts

@@ -1,4 +1,4 @@
-import { apiKeyMatches } from './verifyApiKey'
+import { apiKeyMatches } from './verifyApiKey.js'
 import { describe, test, expect } from 'vitest'
 
 describe('verifyApiKey', () => {

packages/fastify-app/src/utils/verifyApiKey.ts

@@ -1,5 +1,5 @@
 import { FastifyReply, FastifyRequest, HookHandlerDoneFunction } from 'fastify'
-import { getConfig } from './config'
+import { getConfig } from './config.js'
 import { timingSafeEqual } from 'node:crypto'
 
 const config = getConfig()

packages/fastify-app/tsconfig.json

@@ -1,7 +1,8 @@
 {
   "compilerOptions": {
     "rootDir": ".",
-    "module": "commonjs",
+    "module": "esnext",
+    "moduleResolution": "node",
     "outDir": "dist",
     "declaration": true,
     "declarationMap": true,

packages/fastify-app/vitest.config.ts

@@ -1,8 +1,13 @@
 /// <reference types="vitest" />
 import { defineConfig } from 'vite'
+import tsconfigPaths from 'vite-tsconfig-paths'
 
 export default defineConfig({
+  plugins: [tsconfigPaths()],
   test: {
+    resolve: {
+      alias: [{ find: /(.*)\.js$/, replacement: '$1.ts' }],
+    },
     environment: 'node',
     deps: {
       inline: [/.*/], // inline deps for Vite to transform

packages/sync-engine/src/database/postgres.ts

@@ -1,6 +1,6 @@
 import pg, { PoolConfig, QueryResult } from 'pg'
 import { pg as sql } from 'yesql'
-import { EntitySchema } from '../schemas/types'
+import { EntitySchema } from '../schemas/types.js'
 
 type PostgresConfig = {
   schema: string

packages/sync-engine/src/index.ts

@@ -1,6 +1,6 @@
-export { StripeSync } from './stripeSync'
+export { StripeSync } from './stripeSync.js'
 
 export type * from './types'
 
-export { runMigrations } from './database/migrate'
-export { PostgresClient } from './database/postgres'
+export { runMigrations } from './database/migrate.js'
+export { PostgresClient } from './database/postgres.js'

packages/sync-engine/src/stripeSync.ts

@@ -1,23 +1,23 @@
 import Stripe from 'stripe'
 import { pg as sql } from 'yesql'
-import { PostgresClient } from './database/postgres'
-import { chargeSchema } from './schemas/charge'
-import { checkoutSessionSchema } from './schemas/checkout_sessions'
-import { checkoutSessionLineItemSchema } from './schemas/checkout_session_line_items'
-import { creditNoteSchema } from './schemas/credit_note'
-import { customerDeletedSchema, customerSchema } from './schemas/customer'
-import { disputeSchema } from './schemas/dispute'
-import { invoiceSchema } from './schemas/invoice'
-import { planSchema } from './schemas/plan'
-import { priceSchema } from './schemas/price'
-import { productSchema } from './schemas/product'
-import { paymentIntentSchema } from './schemas/payment_intent'
-import { paymentMethodsSchema } from './schemas/payment_methods'
-import { setupIntentsSchema } from './schemas/setup_intents'
-import { taxIdSchema } from './schemas/tax_id'
-import { subscriptionItemSchema } from './schemas/subscription_item'
-import { subscriptionScheduleSchema } from './schemas/subscription_schedules'
-import { subscriptionSchema } from './schemas/subscription'
+import { PostgresClient } from './database/postgres.js'
+import { chargeSchema } from './schemas/charge.js'
+import { checkoutSessionSchema } from './schemas/checkout_sessions.js'
+import { checkoutSessionLineItemSchema } from './schemas/checkout_session_line_items.js'
+import { creditNoteSchema } from './schemas/credit_note.js'
+import { customerDeletedSchema, customerSchema } from './schemas/customer.js'
+import { disputeSchema } from './schemas/dispute.js'
+import { invoiceSchema } from './schemas/invoice.js'
+import { planSchema } from './schemas/plan.js'
+import { priceSchema } from './schemas/price.js'
+import { productSchema } from './schemas/product.js'
+import { paymentIntentSchema } from './schemas/payment_intent.js'
+import { paymentMethodsSchema } from './schemas/payment_methods.js'
+import { setupIntentsSchema } from './schemas/setup_intents.js'
+import { taxIdSchema } from './schemas/tax_id.js'
+import { subscriptionItemSchema } from './schemas/subscription_item.js'
+import { subscriptionScheduleSchema } from './schemas/subscription_schedules.js'
+import { subscriptionSchema } from './schemas/subscription.js'
 import {
   StripeSyncConfig,
   Sync,
@@ -26,12 +26,12 @@ import {
   SyncEntitlementsParams,
   SyncFeaturesParams,
   type RevalidateEntity,
-} from './types'
-import { earlyFraudWarningSchema } from './schemas/early_fraud_warning'
-import { reviewSchema } from './schemas/review'
-import { refundSchema } from './schemas/refund'
-import { activeEntitlementSchema } from './schemas/active_entitlement'
-import { featureSchema } from './schemas/feature'
+} from './types.js'
+import { earlyFraudWarningSchema } from './schemas/early_fraud_warning.js'
+import { reviewSchema } from './schemas/review.js'
+import { refundSchema } from './schemas/refund.js'
+import { activeEntitlementSchema } from './schemas/active_entitlement.js'
+import { featureSchema } from './schemas/feature.js'
 import type { PoolConfig } from 'pg'
 
 function getUniqueIds<T>(entries: T[], key: string): string[] {