~javascriptweekly | Bookmarks (248)

Chokidar 4.0: Efficient Cross-Platform File Watching Node.js Library — Wraps around fs.watch / fs.watchFile and normalizes the events received, applies best practices, and presents an API that works the same across platforms.

Now You Can Compile and Run C in JavaScript — Well, if you’re using Bun, at least. Bun v1.1.28 lands experimental support for compiling and native C code and then running its functions from JavaScript. It's easier than it sounds..

Mathematical Symbols and JavaScript Equivalents — We’re not just talking the obvious like + and - but things like ⁿ√, Σ, Π, ∃, and set notation.

A React 19 Cheat Sheet — From Kent C Dodds, of Epic React fame, comes this part cheat sheet, part succinct reminder of some of the new things you can do in React 19, along with (very) brief code examples.

From Parcel to Vite: A Short Story of a 100K LOC Migration — “We’ve migrated our frontend projects from Parcel to Vite, and the process was… smooth.”

How to Create a Chrome Extension with React, TypeScript, Tailwind CSS and Vite — Covers everything you need to know right through to publishing in the Chrome Web Store.

date-fns v4.0 Released with First-Class Time Zones Support — date-fns is a hugely popular and comprehensive suite of 200+ functions for working with dates in JavaScript, and now there’s first-class time zone support too.

Amplify the Benefits of JWTs and Session Tokens — Learn how leveraging the benefits of both session token authentication and JWTs results in the best of both approaches.

Next.js SaaS Starter: A Next.js Template for SaaS Webapps — A starter template for building a SaaS-style webapp using Next.js with authentication, Stripe integration, and a dashboard for users. It uses Postgres and Drizzle for the database and UI elements based on shadcn/ui and Tailwind.

nano-spawn: Tiny Execa-Inspired Process Execution for Node.js — If you’re familiar with Sindre’s Execa for running commands from a Node app in a reliable manner, nano-spawn offers its core functionality in a smaller package.

DECK.GL: GPU-Powered Large-Scale Data Visualization Framework — Well suited to geospatial data visualization use cases that go beyond typical 2D views. There are plenty of examples to show it off. Can be used through both vanilla JS and React interfaces.

Vue-Multiselect 3.1: A Complete 'Selecting Solution' for Vue.js — There’s a lot on offer here, complete with SSR support, Vuex support, strong test coverage, and with no dependencies.

'Oracle, It’s Time to Free JavaScript.' — It’s long been a bone of contention that Oracle owns the trademark for ‘JavaScript’ (we put out a call two years ago) but this marks the first serious effort to try and change that, including petitioning the USPTO, if necessary. You can support the effort by signing this open letter, joining a vast array of JavaScript luminaries.

Announcing TypeScript 5.6 — The latest TypeScript has landed with full support for iterator helpers, support for arbitrary module identifiers, --noUncheckedSideEffectImports to import modules without importing any values, and more — all covered in the always thorough release post.

Is PHP the New JavaScript? — I’m no real fan of PHP, but there’s been a lot of discussion on social media around increased interest in PHP by developers who’d usually steer clear of it, largely thanks to Laravel. This post tells the basic story and explains what Laravel brings to the table.

The Web's Clipboard, and How It Stores Data of Different Types — An interesting exploration of how things currently work with copy and pasting on the web, how different data types are treated, and what the Web Custom Formats proposal is putting forward.

Building the Same App Using Various Web Frameworks — A scientist at Amazon who usually works in Python with a minimum of JavaScript on the frontend wondered if a more modern web framework would suit him better in 2024. To try this out, he tried Next.js, SvelteKit, and the Python-flavored FastHTML.

Brand New Performance Features in Chrome DevTools — A helpful look into Chrome’s updated Performance Panel and all the different metrics it shows off to help you improve the performance of your site.

React and FormData — FormData is ironically both the ‘newest and yet oldest’ standard for accessing form data. Here are some practical ways for using it with TypeScript.

Express.js 5.0 Released — The seminal Node.js webapp library seemed to take a nap for a few years, but development was reinvigorated earlier this year. v5.0 brings a variety of modern tweaks and dependency updates, though it's still tagged next at the npm registry. (Official homepage and v5.x API docs.)

Jimp 1.6: Manipulate Images without Native Dependencies — Most image libraries, such as Sharp, use native dependencies to do the heavy lifting, but Jimp can handle numerous formats directly for blurring, color tweaks, resizing, rotation, etc. Originally for Node, Jimp now works in the browser too – GitHub repo.

Valtio 2.0: Proxy State Made Simple — Turns objects into self-aware proxies so you can access state and subscribe to changes outside of components, add computed properties and more. Designed for React and compatible with Suspense, but can also be used with vanilla JS. – GitHub repo.

Violentmonkey: A Way to Run Userscripts in the Browser — There have been many extensions to run your own custom JavaScript automatically on certain Web pages over the years, but Violentmonkey seems to currently be one of the better and well maintained open source ones. GitHub repo.

The State of ES5 on the Web — Some of the earlier JavaScript build tools focused on allowing developers to write modern JavaScript code that could still run on the browsers of the time by compiling code down to ES5. Time has moved on, but have the tools or popular libraries? Philip investigates, and shares some recommendations.