Shallow copy of Map class produce incorrect typings

[bacebu4]

🔎 Search Terms

shallow copy, wrong shallow copy type, destructuring map class

🕗 Version & Regression Information

• This is the behavior in every version I tried, and I reviewed the FAQ

⏯ Playground Link

https://www.typescriptlang.org/play/?ts=5.5.3#code/MYewdgzgLgBAhjAvDMBTA7jAsnADgCgEoBuAKFElgCMkYBvAOibgF9zwIQAbVBrkAOb4qDAaiiEgA

💻 Code

const a = new Map();
const b = {...a}
console.log(b.get)

🙁 Actual behavior

According to types, b.get is defined, but it is actually undefined

🙂 Expected behavior

b should not have methods of Map class after shallow copying it

Additional information about the issue

No response

[MartinJohns]

Duplicate of #53765 / #53747. Used search terms: spread map in:title

The relevant issue for this is #9726.