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

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

Updates from the TC39 meeting in November 2022
dev.to   @hemanth
Stage changes:
  • Stage 4: Intl Enumeration API
  • Stage 3: Set Methods, Explicit Resource Management, Iterator Helpers, Well-Formed Unicode Strings
  • Stage 2: eraDisplay option for Intl.DateTimeFormat, Async Explicit Resource Management
  • Stage 1: Mass Proxy Revocation, Intl era and monthCode, Intl.MessageFormat


ESLint v8.29.0 released
eslint.org   @mdjermanovic, @eslint
Highlights (quoting the blog post):
  • The no-extra-parens rule has a new option allowParensAfterCommentPattern.
  • The prefer-named-capture-group rule now provides suggestions for some of the problems reported by this rule.


Capture the Flag 101 Workshop: Solve your first CTF hacking challenge
snyk.io Sponsor
In Snyk’s on-demand workshop, you’ll learn how to solve Capture the Flag (CTF) challenges with a step-by-step demo and build the security skills and experience you need to compete in CTFs. Watch the workshop to solve your first challenge today.


Tips for typing import statements in JavaScript
2ality.com   @rauschma
Quote: “This blog post gives tips for typing import statements more quickly, including a helpful text snippet for Visual Studio Code.”


modern-errors: handle errors in a simple, stable, consistent way
github.com   @ehmicky
Features according to the project’s readme:
  • Creating error classes
  • Setting error properties
  • Wrapping or aggregating errors
  • Separating known and unknown errors
  • Normalizing potentially invalid errors


Speeding up the JavaScript ecosystem – one library at a time
marvinh.dev   @marvinhagemeister
Quote: “Most popular libraries can be sped up by avoiding unnecessary type conversions or by avoiding creating functions inside functions.”
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Key phrases

first CTF hacking challenge Dr Axel Rauschmayer Explicit resource management Mass Proxy Revocation Intl Enumeration API Unicode Strings Stage

Older messages

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

Tuesday, November 29, 2022

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 Prettier 2.8: improved

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

Tuesday, November 22, 2022

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 Deno 1.28: stable

Rome v10; Parcel v2.8.0; TAP formatter for node:test; pnpm v7.15.0; npm v9.0.0; Safari Technology Preview 157

Tuesday, November 15, 2022

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 Announcing Rome v10

Turbopack vs. Vite; ESLint v8.27.0

Tuesday, November 8, 2022

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 Is Turbopack really 10

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

Tuesday, November 1, 2022

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

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