Next.js

Playwright can mock browser requests, but not the fetches your Next.js server makes during SSR. Here is how I record real API responses once and replay them deterministically on CI, with the backend turned off.

• Playwright
• Testing
• Next.js
• Open source
• VCR
• Polly.js

Define and use responsive breakpoints as variables in pure CSS — no preprocessor or JS — for cleaner, DRY media queries.

• CSS
• Next.js

How to share serializable state between unrelated React components — including server and client components in Next.js — without prop drilling.

• React
• Next.js
• State management