Bug Report

🔎 Search Terms

object values entries undefined optional properties

🕗 Version & Regression Information

• This changed between versions 4.2.3 and 4.3.2

⏯ Playground Link

Playground link with relevant code

💻 Code

const a: { b?: 1 | undefined } = { b: undefined };
const c = Object.values(a);
console.log(c); // Returns [undefined] but c has type 1[]

🙁 Actual behavior

c has type 1[] but can be equal to [undefined]

🙂 Expected behavior

c should have type (undefined | 1)[]