JavaScript Weekly Issue 632: March 31, 2023

JavaScript Import Maps Now Supported Cross-Browser — ES modules provide a modern way to include and reuse JavaScript code in web apps, and import maps provide the bridge between using module names in code and where those modules can actually be loaded from.

Thomas Steiner (Chrome Developers)

React Labs: What React Core Has Been Working On — The latest update from the React core team. The most striking update comes around the progress of React Forget, an optimizing compiler with the goal being able to build fully reactive systems using the JavaScript and React mental models you already have, with the compiler tackling the trickiest parts.

The React Core Team

Janet for Mortals — Janet is a Lisp-like functional dynamic language that can nonetheless be compiled and interact with C libraries. This online book about Janet targets folks who already know JavaScript in particular.

Ian Henry

In Praise of Vite — “The single best feature of Vite, as far as I’m concerned, is its simplicity. Compared to the nightmare of configuring WebPack and Babel? Vite is delightfully easy to use.”

Scott Vandehey

A Business Case for SvelteKit — A good post covering the experience of migrating from Meteor to SvelteKit, the process this team undertook, and the outcomes from both a performance and UX point of view.

Chris Ellis

NPKILL 0.11.1: Delete node_modules Even Faster — NPKILL (homepage) is a popular tool for listing node_modules folders and how much space they take up, before allowing you to quickly delete them. This new release makes it even faster than before through using worker threads.

Gallardo and Gómez

Concurrent.js: Load Modules into Background Threads — For JS environments including the browser, Node and Deno, this library dynamically imports modules into worker threads (in Node) or Web Workers (in the browser) to run them away from the main thread.

Bitair