~javascriptweekly | Bookmarks (265)

scrollend: A New JavaScript Event — Finally an event you won’t need a hotel booking for. scrollend provides a new way to detect that a scrolling operation is complete in the browser. Is it another Chrome-only nicety? Surprisingly not – Firefox 109+ supports it too.

Packaging Rust Apps for the npm Registry — Isn’t npm just for JavaScript projects? Nope. Node is required to make this technique work, but as long as you can package and execute a binary, you’re good to go.

Accessible Hamburger Buttons without JavaScript — Sometimes you need to consider if modern techniques allow you to avoid JavaScript. Here’s a CodePen if you want to play.

Uppy 3.4: Powerful, Modular JavaScript File Uploader — Upload not just from local sources but even Dropbox or Instagram. Integrates with popular frameworks and supports resumable uploads. GitHub repo.

Nut.js 3.0: Desktop Automation from Node — Take control of your desktop (Windows, macOS or Linux) in code with control over keyboard + pointer, along with image matching functionality. GitHub repo.

Optimize Your Systems' Performance With TelemetryHub - Real-Time Data Monitoring & Analysis — An advanced data visualization and analysis tool that can help you identify and resolve unseen issues in your environment. Try free.

Eleventy v2.0: First Beta of the Popular Site Generator — Eleventy is a popular Node.js static site generator and v2.0 includes enough major changes that a thorough beta is needed. The creator ▶️ made this quick video about the release.

Mock Service Worker 1.0: API Mocking Library for Browser and Node — Intercepts requests which you can then mock. Capture outgoing requests using an Express-like routing syntax, complete with parameters, wildcards, and regexes. GitHub repo.

Astro 2.0: The Next-Gen 'Islands'-Oriented Web Framework — 2.0 includes hybrid rendering (mixing of SSR and SSG outputs), type safety for Markdown & MDX, and an upgrade to Vite 4.0. Astro is worth exploring when performance is key as it works with popular frameworks but lets you deliver the least JS possible to get pages rendered.

Deep Cloning Objects in JavaScript, The Modern Way — If you’ve been leaning on something like Lodash for deep cloning, you might not need to any longer. “It’s been a long time coming, but we finally now have the built-in structuredClone function to make deep cloning objects in JavaScript a breeze.”

Go From Professional Web Developer to Lead Engineer — Aspiring lead developer? Our collection of comprehensive video courses cover the fundamentals of JavaScript, TypeScript, React, web performance, and more.

Announcing TypeScript 5.0 Beta — A new major version number, but users of the popular typed JS superset will face a ‘similar upgrade experience’ to previously. Decorators make it in as a first class feature, significant performance and package size optimizations are present, export type * is supported, all enums are now union enums, and much more.

Getting Started with SvelteKit — SvelteKit only recently hit 1.0 and this is a comprehensive overview of how to build a site using the Svelte-oriented app framework. It covers topics like routing, layouts, data, props and more.

Bun v0.5 Released — Bun is another JavaScript runtime taking the world by storm and a level of Node compatibility has been baked in from the start. v0.5 adds support for node:readline, workspaces, a node:dns shim, and network socket creation support such that more Node.js-based database libraries work out of the box.

Fixing a Memory Leak in a Production Node.js App — Kent encountered a variety of weird memory and CPU usage spikes in his Node-powered app and decided to figure out what was going on. This post walks through his complete journey, with plenty of side problems encountered along the way, before discovering the root cause was where he least expected it.

Handling Errors Like a Pro in TypeScript — “Learn the design pattern I use to handle errors and write cleaner code.”

Free Website Speed Test: Does Your Site Meet Google's Core Web Vitals? — Get an in-depth technical analysis of your site and learn how to make it fast. Rank higher in Google & deliver great UX.

Modern Errors: Handle Errors in a Simple, Stable, Consistent Way — Create error classes, wrap or aggregate errors, or use one of several plugins to do things like print bug reporting info, print stack traces, or more. Happy in both Node and the browser.

Shifty: A Small, Fast Tweening Engine — All it does is tweening. It’s a low level animation solution that you can integrate into any rendering mechanism of your choice. The examples here demonstrate it well as it can be used for ‘animating’ things in an unconventional sense. GitHub repo.

Barba.js: For Smooth Visual Transitions Between Pages — You certainly can’t say the project’s homepage doesn’t show off all of its features! For such a dramatic set of effects, things feel smooth and.. surprisingly tolerable 😁 GitHub repo.

gpu-io: GPU-Accelerated Computing Library — for physics simulations and other mathematical calculations. A neat look at the power of WebGL. Several examples.

New: The WebAssembly JavaScript Promise Integration API — A technical explanation from the V8 team on a new API to let WebAssembly apps bridge the synchronous / asynchronous gap of expectations around external functionality (consider that many apps are written synchronously, but modern Web APIs are usually asynchronous). JSPI helps bridge both worlds and can be tested via a flag in Chrome.