Spread operator doesn't remove readonly from object properties

[Perfectoff]

🔎 Search Terms

spread remove readonly

🕗 Version & Regression Information

• This appeared sometime after Remove readonly from spread properties #15036

💻 Code

    interface ReadOnlyData {
       readonly value: string;
    }
    let data: ReadOnlyData = { value:'foo' }
    
    let copyOfData = {...data};
    
    copyOfData.value = 'bar';   // Error: Attempt to assign to const or readonly variable

🙁 Actual behavior

error: Attempt to assign to const or readonly variable

🙂 Expected behavior

the copy should be writeable

Additional information about the issue

This bug was fixed many years ago ( #15036), but it exists again in current versions of the language.

[Andarist]

This doesn't error though: TS playground

[RyanCavanaugh]

I'm not seeing the error either

[Perfectoff]

ok, sorry, it was just a problem with some syntax plugin in my IDE