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Frameworks & web · #react
Learn how Babel's automatic JSX transform works, configure it with preset-react, verify the output, and understand the bundle‑size trade‑off.
React Router's loader and action APIs eliminate render-then-fetch waterfalls by loading data before routes render. Here's how to implement the smallest viable design with proper error handling and verification steps.
React Suspense turns data fetching into a declarative component, cutting boilerplate and improving UX. Learn how to set it up, what to watch out for, and a hands‑on example that works out of the box in React 18+.
Chakra UI's useBreakpointValue hook eliminates repetitive media queries by returning responsive prop values based on theme breakpoints. Learn when to use it, see a worked Card example, and understand its provider dependency and performance trade-offs.
Discover how Framer Motion's `layout` prop automatically animates element repositioning and resizing in a responsive card grid, plus performance trade‑offs and a verification checklist.
Reach UI Dialog gives a ready‑made, accessible modal that traps focus, handles Escape, and renders via a portal. Learn how to use it, test its behavior, and avoid common pitfalls such as nested dialogs and SSR mismatches.
Learn how MobX’s computed values keep React components fast and predictable. Discover lazy evaluation, automatic dependency tracking, a real‑world example, and the trade‑offs you should know.
Snapshot tests let you lock in a component’s rendered output and catch unintended UI changes. This guide shows how to set up Jest snapshots, keep them tidy, and integrate them into CI for reliable regression detection.
Learn how Chakra UI’s useColorMode hook lets you toggle light and dark themes in React apps. The article covers setup, a working button example, persistence via localStorage, and trade‑offs for production use.
reactrouter
framermotion
mobx
jest
chakraui