I joined a struggling team in January.

Then:
🚫 No tests
🚫 Few lint rules
🚫 No CI config
🚫 Over 1,300 “any” in TypeScript
🚫 1,000’s of lines of mapping code
🚫 App frequently crashed

Now:
✅ Many @playwrightweb tests
✅ ESLint enforces coding standards
✅ Robust CI (builds, tests, lints, etc)
✅ Eliminated 100’s of "any"s - Validating responses via Zod exposed many bugs
✅ Eliminated all mapping code by returning camelCase JSON from APIs
✅ The app is stable

Huge improvement. 🎉

@playwrightweb More wins:

Then:
🚫 Bloated HTTP request code via useEffect and redundant fetch calls,
🚫 No HTTP response caching
🚫 No error handling

Now:
✅ Using react-query wrapped in custom hooks for elegant reuse
✅ Caching HTTP requests consistently via react-query
✅ Using granular…

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