Share one Zod schema between React Hook Form and a Next.js Server Action, map server errors back to inputs with setError, and test the rules with Vitest. Continue reading React Form Validation Using Shared Zod Schemas and Server Actions on SitePoint.
Learn how Node.js picks ESM or CommonJS, when to migrate, how to fix interop errors like ERR_REQUIRE_ESM, and how to convert a project in stages. Continue reading ESM vs CommonJS in Node: When to Switch and How to Migrate on SitePoint.
Why AI agents that pass every test still fail in production — the specific ways they break (compounding errors, lost constraints, false success reports) and how to actually test for it. Continue reading Why AI Agents Break and How to Test Them? on SitePoint.
Stop unreadable AI-written docs from merging. A four-section skeleton, PR checklist, Vale prose rules, and a tested shell check, all enforced in GitHub Actions CI. Continue reading When AI-Generated Documentation Is Unreadable: A CI Playbook on SitePoint.
A repeatable checklist to audit an AI-generated Node.js app before you run it: Docker isolation, npm --ignore-scripts, npm audit, Semgrep rules and --network none. Continue reading Vibe Coded App Security Audit: How to Vet Code Before Running It on SitePoint.
Build a no-flash dark mode toggle with plain CSS and JS. Use color-scheme, light-dark() and CSS variables, persist the choice in localStorage, and add a fallback. Continue reading Dark Mode CSS Variables: Build a Modern Theme with light-dark() on SitePoint.
Fix Next.js pages that stay stale or turn into cached 404s. Learn why revalidate fails, how notFound() can cache a 404 during a CMS outage, and a safer fetch helper. Continue reading Next.js Caching: How to Fix revalidate Failures and Stale Data on SitePoint.
Replace boolean flags and optional fields with TypeScript discriminated unions. Covers narrowing, exhaustive checks with never, and a typed form state machine. Continue reading TypeScript Discriminated Unions: Refactoring Boolean Flags into State Machines on SitePoint.
Why emulators and simulators miss the bugs that only show up on real phones - network drops, battery throttling, OEM quirks and how to build a real-device testing process that catches them first. Continue reading How to Test Real Mobile Behavior on Actual Devices on SitePoint.
Nine HR and payroll platforms for SMBs, scored on payroll depth, pricing, HR features, onboarding, support, and integrations - with the trade-offs for each spelled out. Continue reading Best HR and Payroll Software for SMBs on SitePoint.
A scenario-based guide for React developers comparing TanStack Query and SWR in Next.js App Router, with equivalent Client Component patterns for filtered queries, cache invalidation, and optimistic updates. Continue reading TanStack Query vs SWR: How to Choose in Next.js App Router on SitePoint.