What’s New in Frontend Tech: Next.js 10, CLS Optimization, and Smart Animation Tools

Should you choose SSR or CSR for your frontend application? With React 17 released, many wonder about server‑side rendering options, and Next.js 10 arrives just in time, supporting React 17 and adding many useful features.

Fundamental Techniques

When reading a news article, sudden layout shifts can be jarring. Chrome 83 introduced the Cumulative Layout Shift (CLS) metric to quantify such shifts. This section demonstrates how to measure and reduce CLS in a real project.

Frontend Frameworks

Next.js 10 was announced at the October 27 conference, focusing on developer and user experience improvements. Key highlights include:

Built‑in Image Component : next/image for automatic image optimization.

Internationalized Routing for multi‑language support and automatic language detection.

Engineering Practices

Tencent’s Code Review guidelines emphasize concrete communication during reviews, turning abstract discussions into practical problem‑solving and knowledge sharing.

Graphics Programming

The Bezier spline algorithm generates smooth curves passing through predefined points, useful for data‑visualization line charts, curve fitting, and brush strokes in drawing apps.

Backend Development

TiDB, an open‑source distributed relational database from PingCAP, supports Hybrid Transactional and Analytical Processing (HTAP). It offers horizontal scaling, high‑availability, real‑time HTAP, cloud‑native deployment, MySQL 5.7 compatibility, and serves both OLTP and OLAP workloads.

Artificial Intelligence

After the hype around pix2code, GPT‑3 re‑ignites concerns about frontend jobs. The article argues that engineers should view new technologies as tools, learn them, and apply them creatively rather than fearing obsolescence.

Tool Recommendation

framer-motion

is a React animation library that lets developers add motion to HTML and SVG elements without deep CSS expertise. The article provides a brief usage overview.

Random Algorithms: 2D Circle Distribution

Contrary to the myth that frontend developers don’t need algorithms, this section demonstrates a random algorithm for distributing points within a circle, useful for visual effects.

Physics Engine Playtest: Matter.js

Matter.js is a 2D rigid‑body physics engine for the web, enabling realistic simulations without building a physics system from scratch.

The newsletter concludes with a call to follow the “Dandelion” publication for weekly deep‑dives into foundational tech, engineering, cross‑platform frameworks, graphics programming, backend development, desktop development, AI, design philosophy, and frontend frameworks.