React: Guides and Practical Know-how | Page 9 | mironsoft Blog
React
-
Oct 3, 2025
Teams regularly face the question of how much to invest in full end-to-end tests versus isolated component tests. Both approaches check different layers of the application, and anyone who picks only one buys blind spots that sooner or later come back as production bugs.
-
Sep 22, 2025
Snapshot testing promises to automatically catch every unintended change to a component. In practice, huge, unreadable snapshots are often blindly updated with a keystroke instead of being investigated for real regressions. This article shows where snapshot testing genuinely helps and where targeted assertions and small inline snapshots bring far more confidence.
-
Sep 20, 2025
Anyone building forms in React 19 with React Hook Form will eventually need a schema validation library. Zod and Yup solve the same problem with different priorities: TypeScript-first versus an established JavaScript API. This article compares both across type inference, syntax, nested structures, and migration effort.
-
Sep 17, 2025
The edge runtime promises minimal cold start times and global distribution, but gives up central Node APIs in exchange. The Node runtime offers full compatibility, but costs latency for globally distributed users. Deciding deliberately per route gets the best out of both models.
-
Sep 13, 2025
The choice of data layer decides type safety, caching behavior and how fast a React team ships new features. REST remains the pragmatic standard, GraphQL brings flexible queries for complex data models, and tRPC delivers end to end type safety without a schema language, provided backend and frontend live in the same TypeScript monorepo.
-
Sep 11, 2025
Next.js middleware runs before a route is even rendered, deciding on redirects, rewrites, and headers before Server Components or Client Components become active. Once you understand matcher rules, auth checks, and the limits of the edge runtime, you can build routing logic that stays fast and still behaves robustly.
-
Sep 9, 2025
The React cart is the component customers watch most closely for inconsistencies. Optimistic updates let the UI respond instantly, while the actual synchronization with the Magento backend runs in the background, including clean conflict resolution and multi-tab reconciliation.
-
Sep 5, 2025
A React checkout flow decides in a few seconds whether a customer completes the purchase or abandons it. Clear step structure, instant form validation and robust error handling with payment providers make the difference between a checkout that converts and one that gives away revenue.
-
Sep 5, 2025
Return per-field validation errors, track pending state, and still stay declarative: useActionState bundles the result of a server action into a single, predictable state instead of scattered useState calls.
-
Sep 4, 2025
A ref on a custom-written component does not work by default, because React does not automatically forward refs across component boundaries. forwardRef and useImperativeHandle solve this deliberately, without giving up the component's encapsulation.