TypeScript version incorrectly lists Intl.DateTimeFormat Parameter Options

[Guergeiro]

Bug Report

As per MDN the option fractionalSecondDigits should accept 0, 1, 2, 3 which is not being respected by the latest TypeScript version.

🔎 Search Terms

DateTimeFormat
Intl.DateTimeFormat
fractionalSecondDigits
options

🕗 Version & Regression Information

• This changed between versions 4.4.4 and 4.5.2.

⏯ Playground Link

Playground link with relevant code

💻 Code

const date = new Date();
const str = date.toLocaleDateString("en-US", {
  fractionalSecondDigits: 3 // This is not allowed
});

🙁 Actual behavior

Doesn't work.

🙂 Expected behavior

Allow this behaviour.

[ilogico]

I had the same issue, the solution is to have ES2021 or ES2021.Intl in your lib setting.
See #42944

[Guergeiro]

I had the same issue, the solution is to have ES2021 or ES2021.Intl in your lib setting. See #42944

Makes sense. Thanks @ilogico!

@RyanCavanaugh you can close this issue if needed 😄