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⇅ fix-checkout-timing ⎇ /fix/checkout-await Open ▾
PR #248 ↗ Ready to merge ⇄ Merge
All issues
Fixing CheckoutError
TypeError #4821
+
CI TypeError: Cannot read properties of undefined (reading 'push') in @src/pages/cart.tsx
▸ 8 tool calls, 4 messages
📋 🔍 📎 📤
I've reproduced the failure and identified the root cause. The router.push() call in cart.tsx is missing an await, causing a race condition where the checkout page renders before navigation completes. Let me apply the fix and verify:
▸ 1 file changed   src/pages/cart.tsx
+4-1
Verification complete. All 3 originally failing tests now pass. Full suite: 147/147 tests pass. Production error rate on this route: 0 new occurrences since deploy.
▸ 15 tool calls, 13 messages
📋 🔍 📎 📤
Resolution Summary
Issue resolved across CI and production. Regression test generated.
What Changed:
  1. Added await to router.push() — Navigation was firing async, causing checkout to mount before route transition completed.
  2. Generated regression test — New test in checkout.spec.ts verifies the async navigation flow to prevent recurrence.
  3. Sentry issue #4821 auto-linked — Same root cause. Marked as resolved with fix commit reference.
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📎
Changes5
All files
Review🔍
src/pages/cart.tsx
+4-1
src/components/CheckoutRedirect.tsx
+22-0
src/utils/navigation.ts
+8-3
tests/checkout.spec.ts
+18-0
tests/regression/nav-async.spec.ts
+34-0
⌄ Run
Terminal
+
▶ Run ⌘R
fix/checkout-await git:(fix-checkout-timing)
Resolution sources
One engine. Every signal.
From test failure to production incident.
CI Pipeline
Playwright, Cypress, or any integration test failure triggers automatic reproduction and fix generation.
v1.0
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Production exceptions are ingested, reproduced locally using breadcrumbs, and fixed with auto-generated regression tests.
v1.0
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v1.0
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Bug tickets with reproduction steps are picked up, verified, and fixed automatically. Engineers review the PR.
v1.5
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Community-reported bugs with error logs or screenshots are triaged, reproduced, and resolved.
v1.5
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v1.0
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2.
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3.
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4.
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