Tag: language

Comparing test assertion styles in JavaScript

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#​657 — October 5, 2023

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JavaScript Weekly

An Interactive Intro to CRDTs — Conflict-free replicated data types (the so-called CRDTs) provide a popular approach to replicate data across numerous clients and allow live collaboration between them without conflicts. This post really digs into what makes CRDTs tick well, complete with interactive examples.

Jake Lazaroff

Test Assertion Styles in JavaScript — Isaac, fundamental to the development of npm and the growth of Node, shares his thoughts on the two main approaches common in JavaScript testing APIs and which he prefers best.

Isaac Z. Schlueter

Free Course: Land a Software Engineering Role — Jerome Hardaway has helps over 300 folks get a software development job — now he shares his advice in this video course — featuring resume tips, networking advice, how to optimize your GitHub profile for technical scrutiny, and more.

Frontend Masters sponsor

🔵 TypeScript 5.3 beta has been released with improved support for import attributes, improved type narrowing in numerous situations, and inlay hints in VS Code can now jump you to the type’s definition.

🔐 npm provenance is now generally available on the main npm registry. Here’s a live example.

🎨 Adobe officially launched its version of Photoshop for the Web last week and Addy Osmani wrote a great post showing off all the web technologies it took to make it happen. The modern browser is a powerhouse!

🏠 In June we featured val.town, an interesting site where you can write and deploy TypeScript in a social and serverless fashion. Big changes are coming in the shape of Val Town v3. A platform to watch.

🤔 Was JavaScript really made in 10 days? It’s complicated.

⚠️ The forthcoming ESLint 9.0 is a significant enough release that you might want to prepare your custom rules for it in advance.

🎉 RELEASES:

Node v20.8.0 (Current) – Key performance improvements for streams.

Sinon 16.1 – Provides test spies, stubs and mocks.

Astro 3.2, Redux Toolkit 1.9.7, and pnpm 8.8

📒 Articles & Tutorials

‘Strong Static Typing, A Hill I’m Willing to Die On…’ — Starting off with TypeScript and moving on to Rust, the author shares why he feels so strongly that when it comes to having static types in a language, there really is no argument. (This then led to extensive discussion on Hacker News.)

Tom Hacohen

📗  The Story of Third-Party JavaScript (The Book) — Manning published a book by Ben Vinegar and Anton Kovalyov ten years ago that was entirely focused on writing JavaScript to run on other people’s sites – quite apt as the authors worked at Disqus at the time! This post isn’t about the topic itself but goes deep into how the book came together and how well it did.

Ben Vinegar

📅  JetBrains JavaScript Day 2023: A Virtual Event You Won’t Want to Miss — Get up to speed with modern JavaScript and TypeScript development in just one day.

JetBrains sponsor

Working with a TypeScript Monorepo with npm Workspaces — npm’s workspaces feature makes it easier to manage multiple packages within a single top-level package/monorepo.

Dmitry Kudryavtsev

Test Your React Libraries Locally with Yalc — Yalc simplifies the process of working with and ‘publishing’ packages entirely locally so you can try things out without publishing to a remote, and potentially public, registry.

Andrew Israel (PropelAuth Blog)

▶  Let’s Create a Filter Table Component in Vue

Andrew Schmelyun

Integrating Slonik with Express.js — A type-safe Postgres client library.

Gajus Kuizinas

Next.js 13 vs Remix: A Case Study

Prateek Surana

Using the Intl Segmenter API

Kilian Valkhof

🛠 Code & Tools

Tailwind Elements 1.0: 500+ Bootstrap Components Recreated with Tailwind — Claims to offer more functionality compared to Bootstrap and follows a ‘minimal’ Material-esque design language for user familiarity. Easily integrates with Angular, Vue, etc.

Tailwind Elements

Lite YouTube Embed 0.3: A Faster Youtube Embed — Faster than the official one, at least. v0.3 implements reliable autoplay. There’s a live demo here.

Paul Irish

Day.js: A 2KB Immutable Date Library — Pitched as a Moment.js alternative with a mostly compatible API, Day is a smaller library for parsing, validating, manipulating, and displaying dates and times.

iamkun

Stop Feeling Lost and Inefficient When Debugging via console.log — See console.log output and runtime errors alongside your code. No config, no setup, no hassle. Supports Vite, Bun, Webpack, Next.js, Remix, and more.

Wallaby Team sponsor

Viselect: Let Users Visually Select DOM Elements — If you’ve got a variety of elements and you want users to be able to select them in groups, individually, or even in multiple groups, this lets you offer that functionality easily. Can be used in a vanilla fashion or with integrations for React or Vue.js.

Simon Reinisch

Tailwind Next.js Starter Blog 2.0: A Starter Template for a Next.js Blog — An up-to-date template using the modern Next.js app directory structure along with server components. A full explanation of the updates.

Timothy Lin

Kaluma: A Tiny JS Runtime for the Raspberry Pi Pico — Can you get a JavaScript runtime into the 64KB necessary to run on the Raspberry Pi Pico (which uses the RP2040 microcontroller)? Kaluma can.

Kaluma Project

sort-on 6.0: Sort Arrays on an Object Property — Short & sweet. Samples.

Sindre Sorhus

Craft.js 0.2: A React Framework for Building Drag and Drop Page Editors — It’s a bold move to make the landing page for your project be a text editor itself, but we like it. GitHub repo.

Prev Wong

Create Collaborative Apps Like Figma and Miro in Days with Ably

Ably sponsor

📅 React Native Big Calendar 4.3 – A Google Calendar/Outlook-style large calendar control.

📊 Lightweight Charts 4.1 – High performance financial charting for canvases. Release notes.

CKEditor5 40.0 – Commercial rich text editor framework. Now with an AI assistant feature.

article-extractor 8.0 – Extract article content for a URL in Node.

Shaka Player 4.5 – Library to play adaptive media formats (DASH, HLS and MSS).

Ziggy 1.7 – Use Laravel named routes in JavaScript.

Marked 9.1 – Markdown parser & compiler.

💻 Jobs

Apply Now and Work #LikeABosch — Our promise to our associates is rock-solid: we grow together, enjoy our work & inspire each other. Join in & feel the difference.

Bosch

Frontend Developer 🚀 (Remote, Work from Anywhere 🏖️) — Enjoy TypeScript, React, GraphQL and performance? Join in building our super-fast headless commerce service with a beautiful UI.

Crystallize

🎁 A VS Code Bonus

Awesome VS Code: A Curated List of Themes and Extensions — Yep, it’s one of those ‘awesome’ lists, but it’s packed not only with links to themes and useful extensions, but it has screenshots for most of them too. Skim through, something will jump out at you.

Valerii Iatsko

Microsoft spills the tea on TypeScript

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#​655 — September 21, 2023

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JavaScript Weekly

▶  TypeScript Origins: The Documentary — You know you’ve made it when you get your own documentary! This has just dropped but is well produced, packed with stories from TypeScript’s co-creators, users, and other folks at Microsoft, and kept me entertained. It goes particularly deep into the motivations and process behind its creation, including why Microsoft felt it was worth pursuing.

OfferZen Origins

🔥 The takes get spicer 25+ minutes in as various TypeScript users chip in with their opinions, and even Daniel Rosenwasser, now program manager of the TypeScript team, says he initially worried that Microsoft might “f**k it all up.” 😅 Ryan Dahl pops up about an hour in too.. so I hope you’ve got some time spare.

Patterns for Reactivity with Modern Vanilla JavaScript — When data changes, you often want to do things, and the process that makes that happen is reactivity. While many libraries or frameworks like React or Vue offer reactive solutions out of the box, you can do it all with vanilla JavaScript too, and this post digs into many of the patterns you might need to use, complete with examples.

Marc Grabanski

Handsontable: Data Grid With Spreadsheet Superpowers — There are a lot of JavaScript data grids out there, but none are quite like Handsontable. Its Excel-like design, keyboard shortcuts, and navigation make it the perfect tool for developers.

Handsontable sponsor

Deno 1.37: Modern JavaScript in Jupyter Notebooks — Not content to let Bun take all the headlines, Deno has come up with something pretty neat here. Deno 1.37 ships with a Jupyter Notebook integration so you can create interactive REPL sessions but using the JavaScript you know and love, rather than Python.

The Deno Team

JavaScript Minification Benchmarks — A frequently updated benchmark suite and results comparing the speed and quality of JavaScript minification across a variety of tools including esbuild, Babel, Bun, SWC, and Uglify.

Hiroki Osame

⚡️ IN BRIEF:

The Svelte team offers a sneak peek at the forthcoming Svelte 5 and introduces the idea of ‘runes’: “Like every other framework, we’ve come to the realisation that Knockout was right all along.”

Happy 27th birthday to JScript! JScript was a version of JavaScript that Microsoft put into IE 3.0 primarily to avoid trademark issues around the name of JavaScript. No-one cares much about that anymore, despite Oracle still technically holding the JavaScript trademark.

Folks are discussing whether Node.js needs a mascot of its own.

Want to support anyone doing great work on JavaScript projects? You can nominate them for a GitHub Star.

If you rely upon the npm package download counts at all, the daily counts for all packages was zero on September 13 and 14 (example). Why? “This issue remains under investigation,” says npm support.

🎉 RELEASES:

Remix v2 – Popular full stack web framework.

Bun 1.0.2 – Bugfixes, faster bun –watch, it now uses V8’s Date parser, and Fastify apps now work too.

Node.js v20.7 (Current) – Multiple –env-files now supported.

Next.js 13.5 – Faster, faster, faster.

📒 Articles & Tutorials

Getting Network Activity Under Control with Priority Hints — A look at how browsers can prioritize the loading of resources, how you can explicitly specify a priority when using fetch, and how different ways of loading scripts are prioritized.

Alex MacArthur

Securing Node Apps by Analyzing Real Command Injection Examples — When code can be manipulated to run unintended, arbitrary commands, it’s never going to end well.

Liran Tal

🚀  Coming Soon: Fixed-Cost Monthly Maintenance by UpgradeJS.com — Too much tech debt in your JavaScript app? Let us help. Slow and steady upgrades at your own pace. Releasing next week.

🌳 Bonsai by UpgradeJS.com sponsor

🧭  What’s New in Safari 17 — Safari 17 is now in beta on iOS 17 with the final release dropping across all of Apple’s platforms next week. On the JavaScript front, Safari and WebKit now fully support the Storage API, WebGL in Offscreen Canvas, v flag support on regexes, Set operation methods, URL.canParse, plus the much anticipated support for PWAs in macOS Sonoma.

Jen Simmons and the WebKit team

Testing Out the Alpine.js Intersect Plugin — A wrapper for the Intersection Observer API.

Raymond Camden

▶  How to Make Forms in Angular Reusable

Decoded Frontend

Clean Layout Architecture for Vue Applications

Fotis Adamakis

Incremental Static Regeneration for Angular

Enea Jahollari

🛠 Code & Tools

fx 30: The Go(lang)-Powered Terminal JSON Viewer — Yes, it’s written in Go, but fx has long been a useful tool for looking at JSON files, and it has just been rewritten from the ground up with a new look, regex search, fuzzy search, and support for “even the most massive JSON files.” You don’t need to worry about Go at all; it’s simply a fantastic tool for looking at JSON.

Anton Medvedev

Breakpoints and console.log Is the Past, Time Travel Is the Future — 15x faster JavaScript debugging than with breakpoints and console.log, supports Vitest, jest, karma, jasmine, and more.

Wallaby.js sponsor

Mantine 7.0: The Popular React Component Library — A big release for what is now one of the most popular React component libraries. As of v7, Mantine no longer relies on Emotion and components come with native CSS files, all components now support the system-set color scheme, CSS modules are now the default way to style components, and there are many smaller enhancements too.

Mantine Team

Chrono 2.7: A Natural Language Date Parser — Give it a string like “today”, “last Friday”, “2 weeks from now”, or even an entire date and time, and it’ll come up with a date object to suit.

Wanasit Tanakitrungruang

Theatre.js 0.7: Motion Design for the Web — Can be used both programmatically or via a visual editor to animate objects created with things like Three.js, React Three Fiber, HTML/SVG, or even just tween variable values.

Theatre.js Project

Track Errors and Performance Issues in Every Part of Your Stack

Sentry sponsor

Swup: A Flexible Page Transition Library for Server-Side Rendered Sites — A library that benefits hugely from checking out the demos. v4.4 adds experimental ViewTransition support.

Georgy Marchuk

Create Chrome Extension: A Scaffolding Tool for Chrome Extensions — Similar to create-react-app or Yeoman, this is specifically for starting extension development, with support for several frameworks, HMR, and light/dark modes.

Yalda

💡 Chrome Extension CLI is another option in this space.

Neutralinojs 4.14.0 – Imagine something like Electron but without the browser engine being bundled in. Supporting Linux, Windows, and macOS, it instead leans on what’s already present.

📅 React Lite Month Picker
↳ An elegant way to let users select a specific month.

React-Virtuoso 4.6 – Powerful virtual list component.

Faker 8.1 – Generate large amounts of fake data.

🔊 Peaks.js 3.1
↳ The BBC’s audio waveform UI component.

Ember.js 5.3

💻 Jobs

Nest.js Back-End Developer — Lead the development of a HealthTech platform, focused on Caregiver support. TypeScript, Nest.js, PostgreSQL, AWS, React/Next.js.

Carallel

Find JavaScript Jobs with Hired — Hired makes job hunting easy-instead of chasing recruiters, companies approach you with salary details up front. Create a free profile now.

Hired

“The best programs are the ones written when the programmer is supposed to be working on something else.”

___
Melinda Varian

Name mangling

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#​649 — July 27, 2023

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JavaScript Weekly

Hono + Htmx + Cloudflare: A New Stack? — A lot of people seem to be jumping on htmx lately as an alternative to the complexity of frameworks like React, but what if you want to keep using JSX? Hono is a (vaguely Express-like) Web framework targeting edge function use cases and includes middleware for rendering JSX. Yusuke gives a quick example of how all this can come together with Cloudflare Workers and D1 for a simpler, full-stack JS experience.

Yusuke Wada

Shrinking VS Code with Name Mangling — There’s a fair bit of JavaScript in VS Code but the team has managed to reduce the size of the shipped code by almost 4MB without actually doing any deleting or refactoring thanks to a new ‘name mangling’ build step. This is a great read on how the team approached things and got it working.

Matt Bierner

New Course: The Hard Parts of UI Development — Develop an under-the-hood knowledge of UI development by learning techniques such as data binding, UI composition, templating, virtual DOM and its reconciliation, and hooks, all from scratch!

Frontend Masters sponsor

Microsoft TypeChat: An Approach for Type-Safe LLM Responses — A new project with some prominent names attached (the designer of C# and PM for TypeScript, for starters) that demonstrates the excitement within MS for large language models (LLMs). TypeChat aims to work around the problem of LLMs outputting hard-to-parse natural language and to direct such output into a predictable, typed form.

Hejlsberg, Lucco, Rosenwasser et al.

⚡️ IN BRIEF:

🐦 React/Redux’s Dan Abramov is leaving Meta. Having achieved so much and reaching a point where he feels ready to move on, Dan is departing Meta but will remain on the React team as an independent third party. 💙

📘 The Concise TypeScript Book is, unsurprisingly, a guide to using TypeScript. More surprisingly, it’s all on GitHub and free to read. Hurrah.

Tixy is an interactive page for learning logic, math and expressions by solving puzzles using a visual grid. It starts off very simply, but gets elaborate quickly. This is a neat way to pick up some of the skills needed for Dwitter.

JSPlayground is a new Web-based JavaScript sandbox tool.

Is the term ‘Jamstack’ finished? Brian Rinaldi wonders.

🎉 RELEASES:

Bun 0.7 – The JavaScriptCore-based alternative JS runtime adds (experimental) Vite support, Web Workers support, and includes a –smol option to run in memory constrained environments (with a significant memory reduction shown off in the post).

Astro 2.9 – The ‘zero JS by default’ framework adds experimental support for view transitions and more.

Neutralinojs v4.13.0 – Lightweight cross-platform desktop app framework.

Remix 1.19 – Modern full-stack JS framework.

Node.js v20.5.0 (Current)

📒 Articles & Tutorials

💛  ‘Good Code is Like a Love Letter to The Next Developer Who Will Maintain It’ — “The beauty of our creations, however, is not judged solely by the elegance of our algorithms or the efficiency of our code, but by the joy and ease with which others can build upon our work.”

Addy Osmani

More practically, Addy also tells us to stick to ‘boring architecture’ for as long as possible.

📅  React Native EU Conf with Guenther Steiner: Book Last Regular Tickets

Callstack sponsor

How to Build a GPT-3 App with Next.js, React, and GitHub Copilot — GitHub doesn’t often run tutorials on its blog, but they appear keen to promote the idea of a modern Copilot-oriented development process, and this certainly shows off some of the potential.

Kedasha Kerr (GitHub)

Upgrading an Ancient React App

Jeffrey Carl Faden

🛠 Code & Tools

a11y-dialog 8.0: A Lightweight, Accessible Way to Create Dialogs — Supports alert dialogs as per WAI-ARIA, nested dialogs, and provides both a DOM and JavaScript API. There’s a live CodeSandbox demo you can play with. v8.0 no longer supports IE, if that’s important to you.

Kitty Giraudel

Mapkick.js: Interactive Maps in One Line of JavaScript — Supports Mapbox and MapLibre. It also comes in Python and Ruby variants targeting server-side rendered use cases.

Andrew Kane

RxDB – Local Database For JavaScript Applications — With RxDB you can build realtime applications with great performance that even works when your users are offline.

RxDB sponsor

PLJS: JavaScript Language Plugin for Postgres — PLV8 is the ‘go to’ extension to use JavaScript within Postgres, but this QuickJS-based variant, from the same creator, is more compact, easier to maintain, and may be enough for your needs.

Jerry Sievert

Twin 3.4: Use Tailwind Classes in CSS-in-JS Libraries — Twin v3 introduced full Tailwind plugin support, and v3.4 adds a new SolidJS preset as well as styled-components 6 support.

Ben Rogerson

Praxis: An iOS Browser That Blocks JavaScript — Well, that’s certainly one way to fight back against prompts, modals, and battery sapping scripts, but it won’t work with every site..

Arnold Sakhnov

Spectacle 10: A React and JSX-Based Presentation Library — Got a presentation coming up? Build your decks with JSX, perhaps. GitHub repo.

Formidable

💻 Jobs

Senior Software Engineer (Frontend Lead) — Come lead Emerge’s web platform, used by teams like DoorDash, Square, Dropbox & Airbnb (our stack: Next.js, React, TS, Vercel).

🛸 Emerge Tools

Find JavaScript Jobs with Hired — Hired makes job hunting easy-instead of chasing recruiters, companies approach you with salary details up front. Create a free profile now.

Hired

🧑‍💻 Got a job listing to share? Here’s how.

gridstack.js 8.4
↳ Framework agnostic dashboard layout and creation.

amqp-client.js 3.0
↳ AMQP 0-9-1 client for both Node and browser (via WebSocket).

FingerprintJS 4.0
↳ Browser fingerprinting library. No longer open source.

MQTT.js 5.0 – MQTT client for Node and browser.

🙈 Taking things too far..

We’ll support anyone who’s keen to reduce the amount of needless JavaScript that goes over the wire (👋 Astro or Qwik) but sometimes, just sometimes, you can go too far with the endeavor to almost comedic effect:

😱  Implementing Tic Tac Toe with 170MB of HTML — Unsurprisingly, the demo (which we’ve not linked to here) brought my browser to a crashing halt, but it’s fun to see a developer take on the challenge of using Chrome’s support for popovers and the state of said popovers along with a huge pile of HTML to handle a game of Tic Tac Toe. Don’t repeat this in production, folks..

Gareth Heyes

Svelte 4 released

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#​644 — June 22, 2023

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JavaScript Weekly

UnsuckJS: Comparing Lightweight JavaScript Options — “No build tools, no compilers, and no hassle.” It’s a table of frontend JavaScript libraries on a simple page – that’s it! But it’s a handy table, letting you see the relative popularity, size, and latest versions of libraries as diverse as Preact, bau, htmx, Hyperapp, and Mithril.

Adam Hill

Svelte 4 Released — Four years on from Svelte 3.0 comes the latest major release of the popular compile-time framework that isn’t afraid to do things its own way. If you’re new to it, hit the interactive tutorial to get a feel for things, or if you’re already a user, enjoy the v3 to v4 migration guide, overhauled site, and extra performance on offer.

Rich Harris and the Svelte Team

🤔 Claudio Holanda’s ‘Thoughts on Svelte(Kit), one year and 3 billion requests later‘ provides some interesting balance to our cheerleading.

The Complete UI Component Library For Enterprise Web Apps — A professional UI component library with power widgets like data grid, calendar, scheduler & Gantt charts. Includes API docs, guides and an unreasonable amount of demos to play with. Seamlessly integrates with React, Angular, Vue & Salesforce apps.

Bryntum sponsor

A Look at TypeScript 5.2’s New Keyword: using — using brings something akin to Python’s with context management into TypeScript by providing a way to automatically run a Symbol.dispose function when an object leaves scope. You could use this to shut down database connections, close file handles, etc.

Matt Pocock

If you’re not a TS fan, the idea behind using is also an ECMAScript proposal (currently at stage 3) called Explicit Resource Management and there’s more detail to enjoy in their examples.

The ‘Getting Started with AI’ Stack — Andreessen Horowitz (a.k.a. a16z) is a well known VC firm, but they also have an engineering team of their own that has come up with a “getting started with AI” template for JavaScript devs who want to play with modern ML technologies without too much thinking about tooling.

Li, Li, and Casado (Andreessen Horowitz)

⚡️ IN BRIEF:

The Register reports malicious actors are exploiting expired S3 buckets to inject harmful code into legitimate npm packages without needing to modify existing code.

Fresh, a Deno-first full-stack Web framework, has a new release in the shape of Fresh 1.2. There have been some concerns over its maintenance, but now there’s a new full-time maintainer, Marvin Hagemeister, and a lot of promise on the horizon. Welcome Marvin!

RELEASES:

Node.js 20.3.1, 18.16.1 and 16.20.1 – Security releases.

React Native 0.72

Nest 10.0 – Popular Node.js framework for building enterprise-grade apps.

ESLint 8.43

📒 Articles & Tutorials

Synchronizing Videos or 3D Model Rotations to Scroll Driven Animations — With just a little JavaScript, you can control 3D models and/or videos using scroll-driven animations. It’s a common effect seen on modern fashion sites.

Bramus van Damme

▶  Recreating a JS Runtime to Understand Node’s Magic — Popular speaker, educator, Microsoft MVP and Node.js core team member Erick gives a very enthusiastic talk on the latest ‘hello world’ in the JavaScript world: building a runtime 😏 Somehow, Erick manages to run through the key concepts involved in just 20 minutes.

Erick Wendel

E-Commerce Simplified — A practical guide to building your Store with Storyblok, Commercetools, and React.js.

Storyblok sponsor

Positioning Anchored Popovers — Popovers are commonly positioned relative to their invoker — but when using the new popover attribute, anchoring can be tricky as these popovers are placed in the top layer, away from the context of their invoker. Hidde looks at options to resolve this.

Hidde de Vries

▶  React Server Components in Under Seven Minutes — Looking to quickly get a basic handle on RSCs? This fast-paced video tries to bootstrap you on the subject.

CodeLit

A Visual Guide to Understanding Node’s Event Loop

Vishwas Gopinath

Where to Host Your Remix App in 2023

Jacob Paris

🛠 Code & Tools

Selecto.js: Make Elements Selectable Within a Drag Area — Let’s say you have a number of elements that represent choices, data, whatever, and you want users to be able to select a subset of them by clicking/pointing and dragging. That’s what this does. Live examples here.

Daybrush (Younkue Choi)

Tuple – The Fastest Way to Onboard New Devs — Waste hours verbally steering on Zoom? New hires learn your codebase faster with Tuple. Trusted by over 40,000 devs.

Tuple sponsor

AutoAnimate: Add Motion to Your Apps with a Single Line of Code — You can view some nice examples on the page and this can be used with React, Vue, Svelte, or just plain JavaScript.

FormKit

Toad Scheduler: In-Memory Node and Browser Job Scheduler — Provides more structure than setTimeout or setInterval and supports cron-style scheduling.

Igor Savin

Kysely: A Fluent, Type-Safe SQL Query Builder — Inspired by Knex and targeting Node, it also works in Deno and the browser and boasts a good autocompletion experience thanks to its fluent API. GitHub repo.

Sami Koskimäki

AI.JSX: A JSX-Powered AI App Framework — It’s not React, but gives a React-like feel to letting you specify how large language models, such as ChatGPT, should integrate with your app. Luckily there’s a set of tutorials.

Fixie.ai

Generate SBOMs Effortlessly with Snyk

Snyk sponsor

💡 An SBOM is a “software bill of materials” – essentially an inventory of dependencies and components that make up an application, as Liran Tal explains.

🐼  Panda CSS: Modern, Build-Time, Type-Safe CSS-in-JS — A new DX-focused CSS-in-JS approach boasting build-time generated styles and type safety out of the box. It works with Remix, Vite, Next.js, Astro, and server components.

Segun Adebayo

React Wrap Balancer 1.0: A Component for Better Displayed Title Text — A component that improves the rendering of titles by avoiding overhanging words. v1.0 is a key release that lets the component use the native CSS text-wrap property when supported.

Shu Ding

Perspective 2.3 – Data visualization and analytics component. The core is written in C++ and compiled to WebAssembly where it can be used from JavaScript.

Tesseract.js 4.1.1 – Pure JS OCR for 100+ languages. Fixes a key bug for processing images taken with iOS devices.

Shoelace 2.5
↳ Well designed, framework agnostic UI component suite.

TestCafe 3.0
↳ Node.js tool to automated end-to-end testing.

AlaSQL 4.1
↳ JS SQL database for browser and Node.

Octokit.js 2.1
↳ GitHub SDK for browsers, Node, and Deno.

💻 Jobs

Find JavaScript Jobs with Hired — Hired makes job hunting easy-instead of chasing recruiters, companies approach you with salary details up front. Create a free profile now.

Hired

🧑‍💻 Got a job listing to share? Here’s how.

Microsoft shrunk the TypeScript

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#​640 — May 25, 2023

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JavaScript Weekly

DeviceScript: TypeScript for Tiny Thingamabobs — DeviceScript is a new Microsoft effort to take the TypeScript experience to low-resource microcontroller-based devices. It’s compiled to a custom VM bytecode which can run in such constrained environments. (A bit like Go’s TinyGo.) It’s aimed at VS Code users but there’s a CLI option too.

Microsoft

The State of Node.js Performance in 2023 — Node 20 gets put through its paces against 18.16 and 16.20 with a few different benchmark suites running on an EC2 instance. It goes into a lot of depth that’s worth checking out, but if you haven’t got time, the conclusion is “Node 20 is faster.” Good.

Rafael Gonzaga

Lightning Fast JavaScript Data Grid Widget — Try a professional JS data grid component which lets you edit, sort, group and filter datasets with fantastic UX & performance. Includes a TreeGrid, API docs and lots of demos. Seamlessly integrates with React, Angular & Vue apps.

Bryntum Grid sponsor

Deno 1.34: Now deno compile Supports npm Packages — Deno isn’t Node, but it increasingly likes to wear a Node-shaped costume. This release focuses on npm and Node compatibility and Deno’s compile command (for turning projects into single binary executables) now supports npm packages too which opens up a lot of use cases.

The Deno Team

⚡️ IN BRIEF:

TC39’s Hemanth.HM shares some updates from TC39’s 96th meeting. Atomics.waitAsync, the /v flag for regexes, and a method to detect well formatted Unicode strings all move up to stage 4.

The Angular team shares the results of their annual developer survey. Over 12,000 Angular developers responded.

RELEASES:

Astro 2.5

Preact 10.15 – Fast 3KB React alternative.

TypeScript 5.1 RC

Electron 24.4

MapLibre GL JS v3 – WebGL-powered vector tile maps.

???? Articles & Tutorials

Demystifying Tupper’s Formula — Tupper’s self-referential formula is a formula that, when plotted, can represent itself. Confused? Luckily Eli shows us how simple the concept is and how to use JavaScript to render your own.

Eli Bendersky

An Introduction to Web Components — A practical and straightforward introduction to using the custom element API now supported in all major browsers to create a basic tabbed panel.

Mohamed Rasvi

▶  Creative Coding with p5.js in Visual Studio Code — p5.js is a ‘creative coding’ library that takes a lot of inspiration from Processing. Dan does a great job at showing it off and sharing his enthusiasm for it. The main content starts at about 8-minutes in.

Daniel Shiffman and Olivia Guzzardo

Auth. Built for Devs, by Devs — Easily add login, registration, SSO, MFA, user controls and more auth features to your app in any framework.

FusionAuth sponsor

▶  Why React is Here to Stay — A rebuttal of sorts to Adam Elmore’s video from two weeks ago: ▶️ I’m Done with React.

Joscha Neske

Comparing Three Ways of Processing Arrays Non-Destructively — for-of, .reduce(), and .flatMap() go up against each other.

Dr. Axel Rauschmayer

Build Your First JavaScript ChatGPT Plugin — Plugins provide a way to extend ChatGPT’s functionality.

Mark O’Neill

How I’ve Shifted My Angular App to a Standalone Components Approach

Kamil Konopka

???? Code & Tools

Javy 1.0: A JS to WebAssembly Toolchain — Originally built at Shopify, Java takes your JS code and runs it in a WASM-embedded runtime. It’s worth scanning the example to get a feel for the process. “We’re confident that the Javy CLI is in good enough shape for general use so we’re releasing it as v1.0.0.”

Bytecode Alliance

Inkline 4.0: A Customizable Vue.js 3 UI/UX Library — A design system and numerous customizable components designed for mobile-first (but desktop friendly) and built with accessibility in mind.

Alex Grozav

Dynaboard: A Visual Web App IDE Made for Developers — Build high performance public and private web applications in a collaborative — full-stack — development environment.

Dynaboard sponsor

BlockNote: A ‘Notion-Like’ Block-Based Text Editor — Flexible and presents an extensive API so you can integrate it with whatever you want to do. You can drag and drop blocks, add real-time collaboration, add customizable ‘slash command’ menus, and more. Builds on top of ProseMirror and TipTap.

TypeCell

Windstatic: A Set of 170+ Components and Layouts Made with Tailwind and Alpine.js — Categorized under page sections, nav, and forms, and each category includes multiple components you can drop into projects.

Michael Andreuzza

ls-lint 2.0: A Fast File and Directory Name Linter — Written in Go but aimed at JS/front-end dev use cases, ls-lint provides a way to enforce rules for file naming and directory structures.

Lucas Löffel

Jest Puppeteer 9.0: Run Tests using Jest and Puppeteer — A Jest preset enabling end-to-end testing with Puppeteer.

Argos CI

ts-sql-query: Type-Safe SQL Query Builder — Want to build dynamic SQL queries in a type-safe way with TypeScript verifying queries? This is for you. Supports numerous SQL-based database systems and isn’t an ORM itself.

Juan Luis Paz Rojas

React Authentication, Simplified

Userfront sponsor

Hashids.js 2.3
↳ Generate YouTube-like IDs.

Tabulator 5.5
↳ Interactive table and data grid control.

gridstack.js 8.2
↳ Dashboard layout and creation library.

Cypress GitHub Action 5.8
↳ Action for running Cypress end-to-end tests.

ReacType 16.0
↳ Visual prototyping tool that exports React code.

Mongoose 7.2 – MongoDB modelling library.

Eta (η) 2.2 – Embedded JS template engine.

AVA 5.3 – Popular Node test runner.

MelonJS 15.3 – HTML5 game engine.

???? Jobs

Find JavaScript Jobs with Hired — Hired makes job hunting easy-instead of chasing recruiters, companies approach you with salary details up front. Create a free profile now.

Hired

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.

Everfund

????‍???? Got a job listing to share? Here’s how.

???? Node.js developer? Check out the latest issue of Node Weekly, our sibling newsletter about all things Node.js — from tutorials and screencasts to news and releases. While we include some Node related items here in JavaScript Weekly, we save most of it for there.

→ Check out Node Weekly here.

The return of ECMAScript 2023 (and Angular)

Posted on by

#​634 — April 13, 2023

Read on the Web

JavaScript Weekly

The JavaScript Equality Table Game — Minesweeper will feel like a walk in the park after this reminder of the horrors of JavaScript’s ==. If you need to go in depth, Section 7.2.14 of the ECMAScript spec will help, but otherwise? Stick to three equals (===) unless you have a good reason not to.

Reinis Ivanovs

htmx 1.9 Released — htmx (homepage) is an increasingly popular library outside of the JavaScript space as it lets folks use things like WebSockets, SSE, AJAX, and CSS transitions by marking up HTML rather than writing lots of JavaScript. v1.9 adds support for view transitions and generalized inline event handling. The code examples are worth a look – htmx makes a lot possible, with rather little tooling or markup needed.

htmx team

Supercharge AWS S3 Video Streaming with ImageKit’s Video API — Get adaptive bitrate streaming, video optimizations, format conversions, and real-time transformations and watermarking by attaching ImageKit with your AWS S3 bucket.

ImageKit sponsor

The ECMAScript® 2023 Language Spec Steps Forward — After prematurely announcing the progression of the ES2023 spec in February, we can now announce: TC39 has approved the ECMAScript 2023 spec, and while it remains a candidate, it’s now a step closer to eventual ECMA General Assembly approval. The finished proposals list for 2023 now includes Array find from last, hashbang support, Symbols as WeakMap keys, and change Array by copy.

ECMA International

IN BRIEF:

▶️ Angular is back with a vengeance, says Fireship.

Serverless platform AWS Lambda has introduced response streaming on its JS runtime (for now) so you can send response data as it becomes available rather than all at once. (→ Via Serverless Status)

/[]/ A look at a seemingly JS-specific quirk in regular expressions when empty character classes are used.

An analysis of languages used in GitHub pull requests shows JavaScript/TypeScript leading the way with Python just slightly behind. The comments went in lots of odd directions here.

Seven folks at Vue Amsterdam 2023 shared their ▶️ tips on getting started with Vue.js.

▶️ An hour-long chat on the State of Node.js with some leading figures.

Node v18.16.0 (LTS) has been released with backported support for compiling JavaScript code into a single executable app. Node 19’s Ada URL parser also appears.

A striking visual introduction to React and its fundamental concepts.

RELEASES:

Node.js v19.9 (Current)

Puppeteer v19.9 – It’s the week for almost 20s.

pnpm 8.2 – Efficient npm alternative.

Redwood 4.5 – Popular app framework.

Storybook 7.0 – With an official release post this time.

???? Articles & Tutorials

Ranger: Use a Range-Like Syntax for Anything? — const numbers = 1[[…8]], anyone? This is a neat trick for a bit of syntatic sugar, but I’m not sure it would pass the sniff test for most teams. You might find the implementation interesting to check out though. Long may this sort of experimentation continue.

Jon Randy

???? A proposal for JavaScript to get built-in range support is at stage 2.

????  Build and Deploy ‘23: May 3rd – Save the Date! — The ultimate CI/CD virtual conference – best practices and end-user success stories from DevOps experts. Plus, a keynote from Emily Freeman, author of DevOps for Dummies.

Codefresh sponsor

Trying Node’s Built-In Test Runner — In 2022, Node gained an experimental built-in test runner (node:test). It’s going to become stable in the forthcoming Node v20, so it’s a good time to look at how it works and how it compares to other solutions you might already be using.

Gleb Bahmutov

▶  The Right Way To Merge JavaScript Objects — In just one minute, too.

Jack Herrington

Ref vs. Reactive: What to Choose When Using Vue 3 Composition API?

Michael Hoffmann

How to Stream File Uploads to S3 Object Storage from Node.js

Austin Gil

How to Contribute to a Project You Have No Idea About

Michal Warda

???? Code & Tools

Reveal.js 4.5: An HTML Presentation Framework — Brings elegant presentations to anyone with a Web browser. v4.5 was just released with support for jumping to specific slides, a few new themes, and with live reload working with files in subfolders.

Hakim El Hattab

List.js: Add Search, Sort, Filters, and More to Tables and Lists — A handy library for adding search, sort, filters and flexibility to tables, lists or other HTML elements. Want an example? Why, of course.

Jonny Strömberg

????Quokka.js – #1 JavaScript Scratchpad for VS Code — With 2M+ downloads, Quokka.js is the #1 tool for exploring and testing JavaScript/TypeScript. Code runs immediately as you type.

Wallaby.js sponsor

Queue: Async Function Queue with Adjustable Concurrency — Exports a class Queue that implements most of the Array API.

Jesse Tane

Yet Another React Lightbox — Add a lightbox component to your projects “in minutes” – there are several examples to try, as well as a playground with adjustable settings. GitHub repo.

Igor Danchenko

Sandpack 2.6: Component Toolkit for Creating Live Code Editing Experiences — Created by the folks at CodeSandbox, so they surely know what they’re doing in this space. GitHub repo.

CodeSandbox

Easy to Use, Full-Stack Application Monitoring

TelemetryHub sponsor

TS Writer: A Template String Template Engine for Generating Code at Runtime — Rather niche, but aimed at situations where you might need to generate code at runtime in TypeScript.

tinylibs

Minimatch 9.0
↳ Glob matcher library.
     minimatch(“bar.foo”, “*.foo”)

hls.js 1.4
↳ Play HLS in browsers with support for MSE.

Partytown 0.8
↳ Relocate third-party scripts off the main thread.

Plasmo 0.68
↳ “It’s like Next.js for browser extensions”

Obsidian 8.0 – GraphQL, built for Deno.

MUI X 6.1 – React component suite.

TestCafe 2.5 – Automate end-to-end web testing.

Maquette 3.6 – Lightweight virtual DOM library.

Venom 5.0 – WhatsApp bot library.

???? Jobs

Find JavaScript Jobs with Hired — Hired makes job hunting easy-instead of chasing recruiters, companies approach you with salary details up front. Create a free profile now.

Hired

Full Stack JavaScript Engineer @ Emerging Cybersecurity Startup — Small team/big results. Fun + flexible + always interesting. Come build our award-winning, all-in-one cybersecurity platform.

Defendify

????‍???? Got a job listing to share? Here’s how.

JavaScript sans build systems?

Posted on by

#​626 — February 17, 2023

Read on the Web

JavaScript Weekly

Writing JavaScript Without a Build System — Using a variety of build tools for things like bundling and transpiling is reasonably standard in modern JavaScript development, but what if you want to keep things simple? For simple things, it’s not necessary, says Julia. This led to a lot of discussion on Hacker News.

Julia Evans

Ryan Dahl, Node.js Creator, Wants to Rebuild the Runtime of the Web — A neat bit of journalism about the alternative JavaScript runtime Deno and what Ryan Dahl is trying to achieve with it and how Ryan handled the stress of being known as the creator of Node.js.

Harry Spitzer / Sequoia

Broadcasting a Live Stream With Nothing but JavaScript — Live streams typically use third-party software to broadcast, but with Amazon Interactive Video Service, you can build a powerful, interactive broadcasting interface with the Web Broadcast SDK and JavaScript. Click here to learn more.

Amazon Web Services (AWS) sponsor

core-js’s Maintainer Complains Open Source Is ‘Broken’ — core-js is a popular universal polyfill for JavaScript features and its author has run into his fair share of bad luck which has culminated in this lengthy post on the state of the project, his issues in securing an income and, well, the downsides to living in Russia. The Register has tried to balance out the story.

The Register

IN BRIEF:

🐒 The just released Firefox 110 for Android now supports Tampermonkey, an extension for running JavaScript ‘userscripts’ on sites you visit.

The Angular project is taking steps to revamp its reactivity model to enable fine-grained change detection via signals.

The latest beta of iOS and iPadOS 16.4 supports the Web Push API for home screen webapps.

🐦 A fun Twitter thread where Qwik’s Miško Hevery attempted to demonstrate why a = 0-x is about 3-10x faster than a = -x before being told about a flaw in his benchmark. There is still a performance difference, though.

▶️ The React.js documentary we mentioned last week has now been released and it’s a heck of a watch – you’ll need 78 minutes of your time though.

RELEASES:

Node.js 19.6.1, 18.14.1, 16.19.1 and 14.21.3.

JavaScript Obfuscator 4.0 – Code scrambler.

Shoelace 2.1
↳ Framework agnostic Web components.

Mermaid 9.4
↳ Text to diagram generator. Now with timeline diagram support.

Cypress 12.6

📒 Articles & Tutorials

Use a MutationObserver to Handle DOM Nodes that Don’t Exist Yet — Comparing the effectiveness of the MutationObserver API with the conventional method of constantly checking for the creation of nodes.

Alex MacArthur

Well-Known Symbols in JavaScript — Hemanth, a TC39 delegate, shows off 14 symbols and where they can come in useful.

Hemanth HM

🚀 Monitor and Optimize Website Speed to Rank Higher in Google — Monitor Google’s Core Web Vitals and optimize performance using in-depth reports built for developers. Improve SEO & UX.

DebugBear sponsor

Why to Use Maps More and Objects Less — A journey down a performance rabbit hole.

Steve Sewell

Adopting React in the Early Days — A personal history lesson providing context around React’s evolution. While React might be an obvious, even safe, choice now, that wasn’t always true.

Sébastien Lorber

An Animated Flythrough with Theatre.js and React Three Fiber — How to fly through a 3D scene using the Theatre.js JavaScript animation library and the React Three Fiber 3D renderer. This is the sort of thing that used to be Very Difficult™ but is now relatively trivial.

Andrew Prifer (Codrops)

How to Change the Tab Bar Color Dynamically with JavaScript

Amit Merchant

Is Deno Ready for Primetime? One Dev’s Opinion

Max Countryman

Using Playwright to Monitor Third-Party Resources That Could Impact User Experience

Stefan Judis

🛠 Code & Tools

Dependency Cruiser: Validate and Visualize JavaScript Dependencies — If you want a look at the output, there’s a whole page of graphs for popular, real world projects including Chalk, Yarn, and React.

Sander Verweij

Devalue: Like JSON.stringify, But.. — “Gets the job done when JSON.stringify can’t.” Namely, it can handle cyclical and repeated references, regular expressions, Map and Set, custom types, and more.

Rich Harris

🧡 JavaScript Scratchpad for VS Code (2m+ Downloads) — Get Quokka.js ‘Community’ for free: #1 tool for exploring/testing JavaScript with edit-continue experience to see realtime execution and runtime values.

Wallaby.js sponsor

NodeGUI: Build Native Cross-Platform Desktop Apps with Node.js — Unlike Electron which leans upon webviews and HTML, NodeGui uses a Qt based approach. This week’s 0.58.0 release is the first stable release based on Qt 6 and offering high DPI support.

NodeGui

DOMPurify 3.0: Fast, Tolerant XSS Sanitizer for HTML and SVG — A project that’s nine years old today but still actively developed. Supports all modern browsers (IE support was only just dropped) and is heavily tested. There’s a live demo here.

Cure53

Pythagora: Generate Express Integration Tests by Recording Activity — This is a neat idea still in its early stages. Add a line of code after setting up an Express.js app and this will capture app usage and generate integration tests based on the interactions. (▶️ Screencast demo.)

zvone187 and LeonOstrez

Try Stream’s Free Trial of SDKs for In-App Chat

Stream sponsor

grep.app: Search Code Across a Half Million GitHub Repos — A code search engine that lets you use regexes or syntax in your search. Considering what it is, it’s pretty fast and has an extensive index (over half a million public repos from GitHub, allegedly).

grep.app

tsParticles: Particles, Confetti and Fireworks for Your Pages — Create customizable particle related effects for use on the Web. Uses the regular 2D canvas for broad support.

Matteo Bruni

💻 Jobs

Software Engineer — Join our happy team. Stimulus is a social platform started by Sticker Mule to show what’s possible if your mission is to increase human happiness.

Stimulus

Find JavaScript Jobs with Hired — Hired makes job hunting easy-instead of chasing recruiters, companies approach you with salary details up front. Create a free profile now.

Hired

QUICK RELEASES:

Minimatch 6.2
↳ Glob matcher library, as used in npm.
    minimatch(“bar.foo”, “*.foo”)

React Accordion 1.2
↳ Unstyled WAI-ARIA-compliant accordion library.

ScrollTrigger 1.0.6
↳ Have your page react to scroll changes.

VeeValidate 4.7.4
↳ Popular Vue.js form library

Express Admin 2.0
↳ Admin interface for data in MySQL/Postgres/SQLite.

Execa 7.0
↳ Improved process execution from Node.js.

React Tooltip 5.8

Bringing JavaScript to WebAssembly

Posted on by

#​625 — February 10, 2023

Read on the Web

It looked quiet at first but wow, what an epic week this turned out to be. There’s a lot to chew on here, and we even have a variety of bonus items at the very end of this issue. Enjoy!
__
Your editor, Peter Cooper

JavaScript Weekly

Speeding Up the JS Ecosystem: It’s ESLint’s Turn — Last year we featured an article from the same author about how he was finding, and fixing, low-hanging performance fruit in popular JavaScript projects. He’s back, and he’s found a lot of potential for savings in ESLint this time.

Marvin Hagemeister

The Future (and the Past) of the Web is Server Side Rendering — It’s fair to say the Deno folks have some skin in this game, but nonetheless this is a neat brief history of server-side rendering and why they feel it’s the right approach for modern web development.

Andy Jiang (Deno)

Monitoring Your NestJS Application with AppSignal — With AppSignal, you can monitor your NestJS app with ease and rely on OpenTelemetry to handle third-party instrumentations. AppSignal even provides helper functions to help you build comprehensive custom instrumentation. A box of 🍪 included!

AppSignal sponsor

Ten Web Development Trends in 2023 — Following the State of JS survey results Robin takes a considered look at new web dev trends that we should be paying attention to this year, and why they matter.

Robin Wieruch

Bringing JavaScript to WebAssembly for Shopify Functions — As much as this is focused on a specific use case at Shopify, this is a fascinating look at how they’re integrating JavaScript and WebAssembly under tight constraints. They also talk about Javy, a JS to WebAssembly toolchain being built at Shopify that lets you run JS code on a WASM-embedded JS runtime.

Surma (Shopify)

Google Touts Web-Based Machine Learning with TensorFlow.js

Richard MacManus (The New Stack)

IN BRIEF:

🎉 Time to celebrate — a recent survey allegedly found that JavaScript applications ‘have fewer flaws’ than Java and .NET ones. So there you go.

Honeypot’s highly anticipated ▶️ React.js documentary drops later today – it’ll probably be out by the time you read this.

Vanilla List is a directory of ‘vanilla’ JavaScript controls and plugins.

▶️ Evan You tells us what to expect in 2023 from Vue.js.

The Scala.js project is celebrating its ten year anniversary – it’s now a mature way to build Web projects using Scala, if you prefer.

📅 Vue.js Live is a JavaScript event taking place both in London and online on May 12 & 15. From the same folks as the also forthcoming JSNation conference.

A history of criticisms levelled at React.

RELEASES:

Eleventy / 11ty 2.0
↳ Popular Node.js static site generator.

pnpm 7.27 – The efficient package manager.

RxDB 14.0 – Offline-first, reactive database.

📒 Articles & Tutorials

Design Patterns in TypeScript — OO-inspired patterns aren’t for everyone or every use case, but this is a fantastic catalog of examples, complete with diagrams and explanations, if you need to learn to tell apart factory methods from decorators, facades, or proxies.

Refactoring Guru

Resumable React: How To Use React Inside Qwik — Building React apps without ever loading React in the user’s browser? “Sounds too good to be true? Let’s see how this works.”

Yoav Ganbar

Did You Know That You’re Already a Distributed Systems Developer?

Temporal Technologies sponsor

Build a Hacker News Client using Alpine.js — Alpine.js is a thin and elegant reactivity library that lets you add dynamic functionality to your site directly in markup. This is a short and sweet practical example of what you can quickly do with it.

Salai Vedha Viradhan

▶  TypeScript Speedrun: A Crash Course for Beginners — If you want to pick up TypeScript and would find a video guide useful, this is for you. Matt has become well known recently for his educational TypeScript tweets and videos, and this is another good one that flies through the basics. (23 minutes.)

Matt Pocock

Using Notion as a Headless CMS with Nuxt

Trent Brew

The Options API vs Composition API in Vue.js

Charles Allotey

🛠 Code & Tools

Bookmarklet Editor: Easily Work on JavaScript Bookmarklets — Useful because who can remember the exact syntax for a bookmarklet? 🤔 This also can instantly convert code to and from bookmarklet form and includes some examples in the help section (click the big ? to get all the details).

Marek Gibney

Breakpoints and console.log Is the Past, Time Travel Is the Future — 15x faster JavaScript debugging than with breakpoints and console.log, now with support for Vitest.

Wallaby.js sponsor

Yup 1.0: Super Simple Object Schema Validation — Define a schema, transform a value to match, assert the shape of an existing value, or both. Very extensive docs here.

Jason Quense

Material React Table: A Full-Featured React Table Component — Built upon Material UI 5 and TanStack Table 8. The docs include lots of interactive examples.

Kevin Van Cott

BlockNote: Notion-Style Block-Based Text Editor — Built on top of Prosemirror and Tiptap, this is for you if you like the way the Notion note-taking service’s text editor feels. There’s a live demo.

Yousef

TresJS: Build 3D Experiences with Vue.js — Create 3D scenes with Vue components and Three.js. Think React-three-fiber but Vue flavored.

Alvaro Sabu

depngn: Find Out if Dependencies Support a Given Node.js Version — A CLI tool that establishes whether or not the dependencies in your package.json will work against a specified version of Node.

OmbuLabs

Open-Source JS Form Libraries to Automate Your Form Workflow — Self-host SurveyJS to configure and modify multiple forms, convert them to fillable PDF files, and analyze collected data in interactive dashboards.

SurveyJS sponsor

Lawnmower: Build VR Scenes with Custom HTML Tags — A web component library that leans on Three.js and aims “to make building a basic VR website as easy to make as your first HTML site”.

Gareth Marland

Electron 23.0 Released — The popular cross platform JavaScript, HTML + CSS desktop app framework gets bumped up to Node 18.12.1, Chromium 110, and V8 11.0. Windows 7/8/8.1 support has also been dropped, so we might start to see those versions of Windows lose the support of a lot of Electron based apps soon.

Electron Core Team

Run: Run User-Provided Code in a Web Worker

SLASHD Analytics

💻 Jobs

Software Engineer (Backend) — Join our “kick ass” team. Our software team operates from 17 countries and we’re always looking for more exceptional engineers.

Sticker Mule

Find JavaScript Jobs with Hired — Hired makes job hunting easy-instead of chasing recruiters, companies approach you with salary details up front. Create a free profile now.

Hired

QUICK RELEASES:

vue-easytable 2.23
↳ A data table/grid control for Vue.js. (Demo.)

React-Custom-Scroll 5.0
↳ Customize the browser scroll bar. (Demo.)

react-jsonschema-form 5.1
↳ Component to build Web forms from JSON Schema.

AlaSQL.js 3.1
↳ JavaScript-based SQL database.

jest-puppeteer 7.0
↳ Run tests using Jest & Puppeteer.

MDX 2.3
↳ Markdown for the component era.

🎁 The Bonus Round

✈️ Watching someone wrestle with Python and JavaScript to fly (virtual) planes with Microsoft Flight Simulator tickled me a lot.

A beautiful WebGL2-based fluid simulation. It’s even happy on mobile. Pretty!

Go-like channels in 10 lines of JavaTypeScript..?

🐦 Misko Hevery: “useSignal() is the future of web frameworks and is a better abstraction than useState(), which is showing its age.” (source)

Mike Pennisi asks: when is an object property not a property?

Do you use Postgres at all? Check out Postgres Weekly – one of our sister newsletters. So much is going on in the Postgres space lately and it’s a great way to keep up.