Part 6.2 — Context API Done Right: Providers, Consumers & Performance
React Context is powerful, but easy to misuse. This post shows how to design Context providers that stay fast, readable, and maintainable in real apps.
Latest articles, tutorials, and deep dives from ndlab tech blog.
React Context is powerful, but easy to misuse. This post shows how to design Context providers that stay fast, readable, and maintainable in real apps.
Most React state problems aren’t technical—they’re architectural. This post teaches you how to place state correctly so your app stays simple, fast, and maintainable.
Frontend tests only matter if they run automatically. This post shows how to run Jest and Playwright tests in CI—and keep them reliable as your app grows.
Unit tests build confidence in components. End-to-end tests build confidence in the product. This post shows how to test real user journeys with Playwright.
Frontend tests should be fast, deterministic, and independent of the backend. This post shows how to mock REST APIs correctly—without leaking implementation details.
Components and hooks are where frontend behavior lives. This post shows how to test them through real user interactions—without brittle implementation details.
Results