Missing Intl.Locale.prototype.getWeekInfo()

[sonicdoe]

⚙ Compilation target

esnext

⚙ Library

ESNext

Missing / Incorrect Definition

Intl.Locale.prototype.getWeekInfo() of the Intl Locale Info API is missing.

The method is available in multiple major browsers as well as in Node.js since v18.

Sample Code

const enUS = new Intl.Locale("en-US");
console.log(enUS.getWeekInfo());

Documentation Link

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Locale/getWeekInfo

[wlib]

There's also this related PR that's been on hold #58084

[mauroviniciussilva]

Any updates on this issue or in the related pull request? As I've seen, the latest update on the mentioned pull request is from 2024.

[json-derulo]

Note that Firefox does not support this function, so it's not safe to use in modern web.
You can track the implementation in their issue tracker.