Sneak peek at Ezno, a JavaScript compiler with type checking and type-enabled optimizations
kaleidawave.github.io
@kaleidawave
Ezno is a JavaScript-to-JavaScript compiler. Highlights:
- Planned availability: before the end of 2022.
- Static type checking:
- Performs static type checking with more inference than TypeScript.
- Type annotations in TypeScript syntax are optional.
- Supports JSX.
- Optimizations:
- Removes the Virtual DOM from React apps.
- Enables replacing JSON blobs in server-rendered pages with incremental state hydration.
- Has a Language Server Plugin (for Visual Studio Code etc.).
- Written in Rust.
New book – free online: “Shell scripting with Node.js” by Axel Rauschmayer
exploringjs.com
Sponsor
@rauschma
Learn Node.js, npm and packages and use them to create cross-platform shell scripts.
ESLint v8.24.0 released
eslint.org
@m_djermanovic,
@geteslint
The highlight of this release is a new rule: logical-assignment-operators. It lets us either require or disallow logical assignment operators:
a &&= b is (roughly) equivalent to a = a && ba ||= b is (roughly) equivalent to a = a || ba ??= b is (roughly) equivalent to a = a ?? b
Everything you need to know about JavaScript import maps
www.honeybadger.io
@ayIsaiah,
@honeybadgerapp
In web browsers and some other JavaScript platforms, import maps let us map module specifiers used in imports to different ones (that are usually more complicated). That has a variety of benefits, as this article explores.
The JavaScript landscape is exciting again
www.strictmode.io
@janis_t
This blog post covers:
- Next-gen tooling: esbuild, SWC, Vite
- Runtimes: Bun
- Meta-frameworks: Next.js, Remix
- Infrastructure: Vercel, Edge Computing (e.g. Fly.io)
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