May 21, 2024

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esbuild v0.21.3: decorator metadata and more

github.com @evanw@hachyderm.io

Highlight: “This release implements the decorator metadata proposal, which is a sub-proposal of the decorators proposal. Microsoft shipped the decorators proposal in TypeScript 5.0 and the decorator metadata proposal in TypeScript 5.2, so it’s important that esbuild also supports both of these features.”

ESLint v9.3.0: new options for some rules and more

eslint.org github.com/fasttime @eslint@fosstodon.org

[The blog post mentions the following highlights:]

ESLint v9.3.0 adds new options to some rules:

  • func-style has the new option overrides.namedExports
  • no-extra-boolean-cast has the new option enforceForInnerExpressions superseding the deprecated but still recognized enforceForLogicalOperands option
  • no-misleading-character-class has the new new option allowEscape
  • no-restricted-exports has the new option restrictedNamedExportsPattern

The built-in rules line-comment-position and multiline-comment-style have been deprecated in favor of third-party replacements.

Node v22.2.0 (current)

nodejs.org @targos@fosstodon.org @nodejs@social.lfx.dev

ECMAScript 2024 feature: Promise.withResolvers()

2ality.com @rauschma@fosstodon.org

The blog post explores the ECMAScript feature Promise.withResolvers() (proposed by Peter Klecha), which provides a new way of directly creating Promises; an alternative to new Promise(...): 
const { promise, resolve, reject } = Promise.withResolvers();

ECMAScript 2025 feature: duplicate named capturing groups for regular expressions

2ality.com @rauschma@fosstodon.org

Web at Google I/O 2024 [YouTube playlist]

www.youtube.com 

Interesting npm packages

open: open stuff like URLs, files, executables – across platforms

www.npmjs.com @sindresorhus@mastodon.social

xlsxtable: create Excel .xlsx files

www.npmjs.com @jawj@econtwitter.net

littlezipper: use the CompressionStream API to create .zip files

www.npmjs.com @jawj@econtwitter.net

The CompressionStream API in supported by all recent browsers, Node and Deno. For more information on web streams, see the chapter on them in “Shell scripting with Node.js”.
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