Intl.DateTimeFormat options object is missing properties

[tefricker]

Bug Report

🔎 Search Terms

'DateTimeFormat', 'Intl'

🕗 Version & Regression Information

This is the behavior in every version I tried, and I reviewed the FAQ for entries about Intl.DateTimeFormat

⏯ Playground Link

Playground link with relevant code

💻 Code

const date = new Date();

const formatted = new Intl.DateTimeFormat('en', {
			dateStyle: 'short',
			timeStyle: 'short',
		}).format(date);

console.log(formatted);

🙁 Actual behavior

Intl.DateTimeFormat options object is missing properties.

🙂 Expected behavior

Intl.DateTimeFormat options object should have types for dateStyle and timeStyle

[MartinJohns]

Your target is set to ES2017, but this target does not support these properties. When you change your target to ES2020 it will work. See also #44632.