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🗞 Issue 12 / 08.06.2023


📄 Polywasm: A Polyfill to Run WASM in JS Environments

The creator of esbuild is back with something fresh: a polyfill that uses live translation to be able to run .wasm files in JS environments that either lack a WebAssembly implementation or have it disabled. You can see how it performs in this special version of the esbuild playground.

EVAN WALLACE


📄 Announcing TypeScript 5.1

This release of the statically typed JavaScript superset is a gentle 'quality of life' step forward rather than a featureful extravaganza, but we get support for linked editing of JSX tag names, namespaced JSX attributes, the ability to have unrelated types for getters and setters, and undefined`-returning functions no longer need an explicit `return.

DANIEL ROSENWASSER (MICROSOFT)


©️JS WEEKLY

⚡️ IN BRIEF

📜 Douglas Crockford, of JS: The Good Parts fame, 🎬 is back pointing out JavaScript is a 'smelly' language and 'it's time for the next thing.' 😬 ⭐️

📜 MDN's reference pages on regular expressions in JavaScript have been substantially improved.

📜 From Apple's WWDC this week comes 🎬 a handy presentation on Safari's DevTools, plus a barrage of news about Safari enhancements around the 'spatial web', JPEG XL support, the popover API, offscreen canvas support, local storage policies, extra JS regex features, and more.

📜 Emma Twersky shares everything Angular related from the recent Google I/O 2023 event.

ARTICLES & TUTORIALS


📃 Why (and How) You Should Write Your WebAssembly in TypeScript

Performance is the main argument made by the author who shows off Wasmati, a library for creating WebAssembly modules by writing TypeScript using an API that corresponds to WASM operations. It works in modern browsers, Node, and Deno.

GREGOR MITSCHA-BAUDE


📃 Backtick Strings are Likely the Wrong Tool for Your Job

It’s too common to try to put together query strings using JavaScript’s template strings, says Mattie, and this leads to potential injection problems. Luckily, there’s an alternative way..

MATTIE BEHRENS


📃 Is React Having an 'Angular.js Moment'?

The author puts forward an argument comparing the discontinuity from AngularJS to Angular 2 in 2014 with current shifts in the React ecosystem.

FRANÇOIS ZANINOTTO

Deploying a Website on Firebase and Using It for Free: A Guide

Firebase offers features such as a real-time database, authentication, hosting, cloud storage, and more. Firebase also provides backend functionalities and infrastructure, allowing developers to focus on building their apps without worrying about server management or complex infrastructure setup.

PROFLEAD

🗞 Issue 13 / 14.06.2023


📄 An Introduction to Debugging Tools and Approaches for Node

An informative primer on debugging, from simple things like using IDE extensions to highlight potential problems or, yes, console logging, through to using the V8 inspector and debugging via Chrome.

CRAIG BUCKLER


📄 Node v20.3.0 (Current) Released

On paper, it's a minor release, but a libuv upgrade (the library that provides Node with its async I/O functionality) introduces significant performance improvements on Linux, `AbortSignal.any()` has been introduced.

MICHAËL ZASSO


📄 Designing a Scalable Backend in Node

Three arbitrary scaling challenges for Node apps examined through the lens of a hypothetical personal budgeting app that has to interact with third party APIs.

NATE ANDERSON


©️NODE.JS WEEKLY

🛠 CODE & TOOLS


🌎 tz-lookup 8.0: Fast Time Zone Estimations from Latitude and Longitude

“This package trades speed and size for accuracy.” At 10x smaller and 20x faster than node-geo-tz, this might be accurate enough for your timezone inference use cases.

MATTHEW MCEACHEN


🔩 Traf: Find Truly Affected Packages in Monorepos

If you’re waiting on CI tasks due to a small package update in your monorepo, this is for you. Traf optimizes your monorepo dev process by finding affected dependencies and selectively triggering builds and tests only when needed.

LEMONADE


🔩 WhatWG Node: WhatWG Standard API Packages for Node

Using the ponyfill approach (nothing is patched or modified under the hood) you can use the Fetch standard both in a client or server adapter context, as well as the DOM Events Standard.

ARDA TANRIKULU