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TypeScript 2.6 released

March 4, 2022 By Mark Otto Off

TypeScript 4.6 Released (And It Even Benefits Non-TS Users!) — The typed superset of JavaScript takes another step forward with the addition of the es2022 target, allowing code in constructors before super(), improved recursion depth checks, more syntax errors that can be detected in JavaScript files if using VS Code (even if you’re not developing in TypeScript yourself!), and more.

Daniel Rosenwasser

The Easiest Way to Monitor Node: Automatic Instrumentation — Monitoring your Node.js apps can be hard. You need to understand what you need to monitor, instrument code, and then make sense of all the data. Automatic instrumentation makes that whole process easier and streamlined. Find out how you can do it.

AppSignal

IN BRIEF:

  • Another month, another VS Code release. This time we get improved automatic language detection, lazy variable evaluation when debugging JS (and JS only, for now), and improved syntax error reporting in JS files.

  • 📆 DevOps.js is a virtual conference on building, deploying, and monitoring JS apps taking place in just three weeks (March 24-25). You can register here.

  • Apple, Bocoup, Google, Mozilla and others have announced Interop 2022, a collaboration to improve interoperability of (mostly visual, for now) Web technologies.

  • The much loved and heavily used MDN Web Docs site now has a new homepage, design, and logo.

RELEASES:

Ember 4.2 – The opinionated framework.
zx 5.2 – Replace bash scripts with JavaScript.
React-Bootstrap 2.2 – Bootstrap components built with React.
Nest.js 8.4 – Node.js server-side framework.
deck.gl 8.7 – WebGL2 powered visualization framework.
OpenPGP.js 5.2 – JS OpenPGP implementation.

Find JavaScript Jobs with Hired — Create a profile on Hired to connect with hiring managers at growing startups and Fortune 500 companies. It’s free for job-seekers.
Hired

📒 Articles & Tutorials

Enhancements to the Ubiquitous 2D HTML Canvas — Canvas is heavily used around the Web in its Canvas2D guise (up to 40% of pages, apparently?) and this post looks at some of the newer features and enhancements being made to it.

Aaron Krajeski (Google)

How Do Primitive Values Get Their Properties? — Dr. Axel is back with the second part of a series on primitive values. This time he looks at how primitive values can be used as if objects and where their properties are actually coming from. For example: 'xy'.length.

Dr. Axel Rauschmayer

▶  Kent C. Dodds’s (Classic) Beginner’s Guide to React Course — The folks at Egghead, a place that offers various online courses, is releasing some of their ‘classic’ courses on YouTube, and the first one is a React course from Kent C. Dodds. It’s 2.5 hours long, uses React 16, and dates from early 2020, so it’s not out of date 🙂

Kent C Dodds (Egghead)

🛠 Code & Tools

Redux Toolkit 1.8.0 Released — If you’re down with Redux for managing state, the “official, opinionated, batteries-included toolset for efficient Redux development” is what you need 🙂 Among other things, this release adds new ‘listener’ middleware (think useEffect but for Redux store updates).

Mark Erikson and the Redux Team

Million 1.5: A Fast Virtual DOM Implementation — Focused on performance and shipping at under 1KB compressed, Million is ideal if you want an agnostic VDOM implementation to use when building your own framework or libraries.

Million

dnt: Deno-to-Node Package Transformation Tool — Takes a Deno module and creates an npm package for use in Node. Goes further than mere packaging though and actually injects shims, transforms commonly Deno code forms to Node approaches, and more.

Deno Team

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