Bun v0.5; manipulating URLs; speeding up JavaScript

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

Bun v0.5
bun.sh @Electroid, @oven-sh

Highlights:

Workspaces in package.json
Resolve domain names via Bun.dns and node:dns
Sockets via node:tls and node:net
Support for node:readline
Custom headers in WebSocket
Improvements to bun wiptest (work in progress; compatibility with Jest continues to increase)
Support for the environment variables HTTPS_PROXY, HTTP_PROXY, and NO_PROXY

What's next for developers in 2023?
developereconomics.net Sponsor

Take part in the new Developer Nation survey and shape the ecosystem. Plus for every survey response, Developer Nation, will donate to one of the charities of respondents’ choosing. Hurry up, the survey is open until February 3!

Safer URL reading and writing in modern JavaScript
www.builder.io @steve8708, @BuilderIO

Manipulating URLs manually has pitfalls such as getting separator characters wrong, forgetting to encode, and accidentally adding whitespace characters. This blog post explains how the following two classes can help:

Class URL lets us get and set parts of URLs (such as protocol or host).
Class URLSearchParams (an instance of which is in url.searchParams) lets us manipulate query strings.

Speeding up the JavaScript ecosystem – module resolution
marvinh.dev @marvinhagemeister

Quoting the blog post’s summary:

Whether you’re building, testing and/or linting JavaScript, module resolution is always at the heart of everything. Despite its central place in our tools, not much time has been spent on making that aspect fast. With the changes discussed in this blog post tools can be sped up by as much as 30%.

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new Developer Nation survey Dr Axel Rauschmayer following two classes Safer URL reading crossplatform tools Bun

Bun v0.5; manipulating URLs; speeding up JavaScript

The latest in JavaScript and cross-platform tools

Key phrases

Older messages

Esbuild v0.17.0; plans for Turbopack; ESLint 2022 review; unhandled promise rejections; runtime environment keys

Npm code explorer; Vite 4.0; Rome v11; ES proposal “iterator helpers”; new Ecma members

TC39 meeting November; ESLint v8.29.0; typing import statements; error handling; making libraries faster

Prettier 2.8; RegExp flag /v; internationalizing numbers; rewrite of ESLint; realms

Deno 1.28; Node v19.1.0; ESLint v8.28.0; Jest; Lerna

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