March 19, 2025

Subject: Web Almanac: JS; syntactic quirks; Parcel v2.14.0; Bun v1.2.5; Node.js on Discord; Node v20.19.0; Node v23.10.0

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Web Almanac 2024: JavaScript

almanac.httparchive.org github.com/hadiamjad github.com/NishuGoel github.com/HTTPArchive

The Web Almanac is “HTTP Archive’s annual state of the web report”. The chapter on JavaScript answers questions such as “How much JavaScript do we load?”.

JavaScript syntactic quirks (2020)

github.com github.com/jorendorff

Interesting document from 2020: “JavaScript is rather hard to parse. Here is an in-depth accounting of its syntactic quirks, with an eye toward actually implementing a parser from scratch.”

Parcel v2.14.0: React Server Components, MDX and more

github.com @devongovett@mastodon.social github.com/parcel-bundler

Highlights:
  • JavaScript:
    • React Server Components
    • Add RSC-based static site generator
    • First-class MDX support
    • Modernize react-error-overlay
  • Dev server:
    • Support running node bundles in dev server

Bun v1.2.5: support for Svelte and CSS modules

bun.sh github.com/Jarred-Sumner github.com/oven-sh

Highlights:
  • Svelte support in bundler and dev server
  • CSS modules support in bundler

Node.js

Node.js launches official community space on Discord

nodejs.org github.com/vcarl github.com/ovflowd @nodejs@social.lfx.dev

Node v20.19.0 (LTS): require(esm), module syntax detection, and more

nodejs.org github.com/marco-ippolito @nodejs@social.lfx.dev

Highlights:
  • require(esm) is enabled by default. Consequence: Packages that are published as ESM can now be used by CommonJS code in the Node.js LTS release.
  • Module syntax detection is enabled by default. Used for .js files where the nearest package.json has no property "module".

Node v23.10.0 (Current): --experimental-config-file and more

nodejs.org github.com/aduh95 @nodejs@social.lfx.dev

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