feat: support customer deletion (#89)

Author: kevcodez

README.md

@@ -44,7 +44,7 @@ This server synchronizes your Stripe account to a Postgres database. It can be a
 - [ ] `checkout.session.async_payment_succeeded`
 - [ ] `checkout.session.completed`
 - [x] `customer.created` 🟢
-- [ ] `customer.deleted`
+- [x] `customer.deleted` 🟢
 - [ ] `customer.source.created`
 - [ ] `customer.source.updated`
 - [x] `customer.subscription.created` 🟢

src/routes/webhooks.ts

@@ -44,6 +44,7 @@ export default async function routes(fastify: FastifyInstance) {
           break
         }
         case 'customer.created':
+        case 'customer.deleted':
         case 'customer.updated': {
           const customer = event.data.object as Stripe.Customer
           await upsertCustomers([customer])

test/stripe/customer_deleted.json

@@ -0,0 +1,20 @@
+{
+  "id": "evt_1IlZRsJDPojXS6LN2AbFmnR4",
+  "object": "event",
+  "api_version": "2020-03-02",
+  "created": 1619701111,
+  "data": {
+    "object": {
+      "id": "cus_IhGfebO16cMIGN",
+      "object": "customer",
+      "deleted": true
+    }
+  },
+  "livemode": false,
+  "pending_webhooks": 4,
+  "request": {
+    "id": "req_QyDCzn33ls4m1t",
+    "idempotency_key": null
+  },
+  "type": "customer.deleted"
+}

test/webhooks.test.ts

@@ -25,6 +25,7 @@ describe('/webhooks', () => {
 
   test.each([
     'customer_updated.json',
+    'customer_deleted.json',
     'product_created.json',
     'product_deleted.json',
     'product_updated.json',