~javascriptweekly | Bookmarks (248)

Fetch Mock 12.0: Mock Requests by the fetch API — A flexible API for mocking HTTP requests made by fetch or fetch-imitating libraries. Supports browsers, Node, and web/service workers.

▶  Build a Sonic Infinite Runner Game Using Kaplay — A two hour walkthrough of using the Kaplay game library (formerly known as Kaboom.js) to build a complete, if simple, Sonic-branded game. You can also play it here.

New Wallaby 2.0 - Works with All Editors - A Massive Step Forward for JavaScript Testing — Experience faster JavaScript debugging, real-time insights, & enhanced coverage monitoring with Wallaby 2.0's integrated UI.

Why I’m Skeptical of Rewriting JavaScript Tools in “Faster” Languages — Rewriting common JS infrastructure / build tools in ‘faster’ languages like Rust, Zig or Go has become popular in recent years, but is it necessary, asks Nolan?

How to Create a Modern SPA with Django and Vue — If you can handle some Python in your life, Django is a powerful backend web framework and it’s quite happy to be paired up with a Vue.js frontend with GraphQL providing the glue.

match-sorter 7.0: Deterministic Best-Match Array Sorting — If you have an array of items you want to filter and sort ‘intelligently’ and deterministically, this offers a well-described, predictable algorithm. Play with a live CodeSandbox demo.

🤖 Transformers.js v3: Run Transformers in the Browser — A JS port of Hugging Face’s transformers Python library that can run natural language, vision, and audio machine learning models right in the browser. v3 adds WebGPU support for boosted performance and now supports Node, Deno and Bun too.

Liskov's Gun: The Parallel Evolution of React and Web Components — An opinion piece so long there’s an EPUB version. Baldur tackles Web Components, their growing pains, why frameworks like React took a different path, and why the whole topic remains a difficult circle to square.

React Folder Structure in Five Steps, 2024 Edition — Articles about structuring React apps are always popular; this one breaks the idea down to five steps from the simplest of apps to more complex ones. Bulletproof React is worth a look too for something broader.

Optimize Your Builds with Depot’s GitHub Actions Price Calculator — Depot just launched a GitHub Actions price calculator. Get a cost breakdown and make your builds faster and cheaper!

ApexCharts: Flexible Interactive Charting Library — A mature and frequently updated charting library for creating interactive data visualizations, with sparklines, heatmaps, line charts, funnel charts, pies, and others. Can be used in a vanilla way or alongside Angular, Vue or React and there are lots of live examples (with code for each). GitHub repo.

Over 100 Algorithms and Data Structures Demonstrated in JS — Examples of numerous common algorithms (e.g. bit manipulation, Pascal’s triangle, Hamming distance) and data structures (e.g. linked lists, tries, graphs) with explanations.

fast-grid: The World's Most Performant DOM-Based Web Table? — A bold claim, but you can see for yourself using the online demo, which lets you filter, sort, and scroll simultaneously for a true test.

🎨 Color Thief: Grab Color Palettes from Images — Given an image, this uses canvas to return a list of the dominant colors. Works in browsers or Node.

Node Version Manager Desktop 4.0 — A Tauri-powered desktop app for macOS, Windows and Linux to manage multiple installed versions of Node on your system.

🎹 ChordSymbol: Chord Symbol Parser and Renderer — Accepts chord names in strings (e.g. G7/B, Cadd9, Asus2) and lets you access the notes those chords are made of. GitHub repo.

Developer Kit: Learn How to Troubleshoot Front-End Issues Faster — Get the kit curated to help front-end developers better understand user activity and resolve issues more efficiently.

The Story of Web Framework Hono, By Its Creator — Hono is a neat, lightweight framework designed to run on any JavaScript runtime that has been picking up steam in the past year. You can create a simple app reminiscent of Express.js, say, but run it on Cloudflare Workers, Deno, Bun, or Node. It’s in heavy use all over the place, and has lots...

Node v23.0.0 (Current) Released — Say hello to the newest release line of Node.js that gets all the cutting edge features first (Node 22 will soon become an LTS release as per the usual schedule). Node v23 notably enables support for loading ES modules with require() by default, drops 32-bit Windows support, and node --run goes stable.

JS0/JSSugar: 'The Tooling Will Continue Until Morale Improves' — In a rather quirky slidedeck presented at TC39 recently, an idea was floated to call the language JS engines implement ‘JS0’ and a myriad of features that have to be compiled to JS0 ‘JSSugar’. It might not surprise you that this idea is considered.. controversial and ▶️ Theo Browne did a 25-minute video digging into...

How to Build an Image Search App with CLIP, Postgres & JavaScript — A tutorial that brings together a lot of ideas in one place. CLIP is used to turn images into text descriptions. Postgres is used as a vector database. JavaScript provides the glue for both the frontend (with React) and backend (Node.js).

Using Sibling Parameters as Default Values in Functions — function myFunc(arg1, arg2 = arg1)? A technique safely in the ‘not a lot of people know you can do that’ pile. Alex digs into it a bit and looks at some use cases.

[Guide] Debugging Microservices & Distributed Systems — Learn best practices on understanding and debugging modern web applications. Read the guide.

Building a Local Single-Page App with htmx — If you have a reasonably simple app to build, using a large framework is probably going to be overkill. htmx to the rescue! Jake presents an easily followed practical tutorial packed with code.