Turbopack bundler; Babel 7.20.0; npm v9.0.0; Deno 1.27; ahead-of-time compilation for JS

ES.nextNews: the latest in JavaScript and cross-platform tools
Curated by Dr. Axel Rauschmayer and Johannes Weber.

ES.next News

The latest in JavaScript and cross-platform tools

Turbopack: incremental bundler, optimized for JavaScript and TypeScript, written in Rust
turbo.build @vercel

A new bundler by a team at Vercel, headed by Webpack creator Tobias Koppers:

Vercel calls it the “successor to Webpack”.
It’s written in Rust.
Its architecture is focused on incremental generation.
It has built-in support for JavaScript, TypeScript, JSX, CSS, CSS Modules, WebAssembly, and more.
It supports Hot Module Replacement and React Server Components.
Framework and tooling-wise, the initial focus is on supporting Next.js and Turborepo, but Vercel’s stated goal is for Turbopack to “work with all frameworks”.

There is also a 20-min. video on Turbopack by Maia Teegarden (Engineering Manager at Vercel).

Babel 7.20.0: Deno target and TypeScript 4.9
babeljs.io @babeljs

Highlights:

Support for TypeScript 4.9
Deno compilation target (e.g. to target older versions of Deno)
babel-loader 9.0.0

npm v9.0.0 released
github.blog @npmjs

Quoting the blog post: “Our goal with this major release was to standardize appropriate defaults and clean up legacy configurations where possible. We believe the changes made lay the ground-work for future improvements to the default npm experience long-term.”

Deno 1.27: major IDE improvements
deno.com @biwanczuk, @davidsherret, @kitsonk, @cjihrig, @deno_land

Highlights:

Language Server/IDE improvements
Improvements to npm compatibility
Improvements to deno task
Upgrade checker
V8 10.8 (which supports the stage 3 ECMAScript proposal “Change Array by copy” and more)

Of JavaScript ahead-of-time compilation performance [36-min. video]
www.youtube.com github/manuel-serrano

Quoting the video’s description: “The common intuition is that only JIT compilers can handle [JavaScript] efficiently because they can rely on heuristic-based strategies that require having the program and the data on hand. But static (AOT) compilers can speculate and use heuristics too! To demonstrate that, we have designed Hopc, an AOT compiler for JavaScript [...].”

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Dr Axel Rauschmayer hot module replacement React Server Components crossplatform tools Turbopack Deno compilation target

Turbopack bundler; Babel 7.20.0; npm v9.0.0; Deno 1.27; ahead-of-time compilation for JS

The latest in JavaScript and cross-platform tools

Key phrases

Older messages

ES proposal “Type Annotations”; ESLint v8.26.0; ESLint in practice; ViteConf 2022 videos; Nordic.js 2022 videos

Node v18.11.0; Rollup 3; Lerna v6; nvm v0.39.2; pnpm

Querying package dependencies

Deno 1.26; JS → C++ → WebAssembly; name-importing from CommonJS

Ezno JS compiler; ESLint v8.24.0; import maps; JS landscape

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