#639 — May 18, 2023
???? If you’d prefer to read what a third party thinks, Shane O’Sullivan gave the new bundler a spin and shared his thoughts. There’s also some discussion on Hacker News. It’s early days and while esbuild may be fast enough for most right now, it’s fantastic to see any progress in bundling.
Deopt Explorer: A VS Code Extension to Inspect V8 Trace Log Info — A thorough introduction to MS’s new tool for performing analysis of the V8 engine’s internals, including CPU profile data, how inline caches operate, deoptimizations, how functions were run (interpreted or compiled) and more. There’s a lot going on.
Ron Buckton (Microsoft)
Supercharge Your Websites and Applications with Cloudflare — Get ready for supercharged speed and reliability with Cloudflare’s suite of performance tools. With ultra-fast CDN, smart traffic routing, media optimization, and more, Cloudflare has everything you need to ensure your site or app runs at peak performance.
Timmy Willison (jQuery Foundation)
⚡️ IN BRIEF:
TC39’s Hemanth.HM has begun keeping a list of ES2023 code examples like he did for ES2022, ES2021, and ES2020.
???? The New Stack has a story about Meta supporting the OpenJS Foundation – but who wrote the article is what we found more interesting..
The folks at Meta / Facebook have written about the efficiency gains made in Messenger Desktop by moving from Electron to React Native.
One downside to platforms like Cloudflare Workers using V8 isolates has been a lack of support for opening TCP sockets – quite an impediement if you want to talk to a RDBMS over TCP or something. Fear no more, Cloudflare Workers has introduced a connect() API for creating TCP sockets from Workers functions.
Promise.withResolvers progressed to stage 2 at the latest TC39 meeting.
↳ The formatter/linter gains stage 3 decorator support.
Ember.js 5.0 – App framework.
Jasmine 5.0 – Testing framework.
???? Articles & Tutorials
TypeScript’s own JS Projects Utilizing TypeScript page has more info on the different levels of strictness you can follow from mere inference on regular JS code through to full on TypeScript with strict enabled.
Automate Slack and MS Teams Notifications Using Node.js — Quick guide to send and automate messages via Slack, MS Teams, and any other channel from your Node.js applications.
Your Jest Tests Might Be Wrong — Is your Jest test suite failing you? You might not be using the testing framework’s full potential, especially when it comes to preventing state leakage between tests.
Dima Ivashchuk (Lost Pixel)
Create a Real Time Multi Host Video Chat in a Browser with Amazon IVS
Amazon Web Services (AWS) sponsor
React Server Components, Next.js App Router and Examples — Addy Osmani’s overview of of the state of React Server Components, the Next.js App Router implementation, other implementations, the move towards hybrid rendering, plus related links.
..and if React is your thing, the latest issue of React Status is for you.
???? Code & Tools
Introducing Legend-State 1.0: Faster State for React — Another state management solution? After a year of effort, Legend State 1.0 claims to be the fastest option “on just about every metric” and they have the benchmarks to prove it. Whatever the case, this thorough intro is worth a look. GitHub repo.
Starry Night: GitHub-Like Syntax Highlighting — Apparently, GitHub’s own syntax highlighting approach isn’t open source, but this takes a similar approach and is. It’s admittedly quite ‘heavy’ (due to using a WASM build of the Oniguruma regex engine) but that’s the price of quality.
Garph 0.5: A Fullstack GraphQL Framework for TypeScript — Full-stack ‘batteries included’ GraphQL APIs without codegen. GitHub repo.
headless-qr: A Simple, Modern QR Code Library — A slimmer adaptation of an older project without the extra code that isn’t necessary today. Turning the binary into an image is your job, or use something like QRCode.js if you want a canvas-rendered QR code out of the box.
Scroll Btween: Use Scroll Position to Tween CSS Values on DOM Elements — Scrolling/parallax libraries tend to feel the same but this one demonstrates some diverse examples with colors, images, and text — all with no dependencies.
eslint-plugin-check-file: Rules for Consistent Filename and Folder Names — Allows you to enforce a consistent naming pattern for file and directory names in projects.
Transformers.js 2.0 – Run Hugging Face transformers directly in browser.
PrimeReact 9.4 – Extensive UI component library.
The Lounge 4.4 – Cross-platform, self-hosted web IRC client.
Faast.js 8.0 – Serverless batch computing made simple.
Fullstack Engineer at Everfund.com — Push code, change lives! Help us become the center for good causes on the modern web with our dev tools.
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???? Go with the flow..