`'var' is declared but its value is never read` false-positive

[boris-petrov]

Bug Report

🔎 Search Terms

Nullish coalescing assignment
declared but its value is never read

🕗 Version & Regression Information

• This is the behavior in every version I tried, and I reviewed the FAQ for entries about Nullish coalescing assignment

⏯ Playground Link

Playground link with relevant code

💻 Code

class A {
  private x?: number;

  public foo(): void {
    this.x ??= setTimeout(() => {});
  }
}

🙁 Actual behavior

There is an error that 'x' is declared but its value is never read which is not true because ??= reads and then writes the value.

🙂 Expected behavior

No error on x.

[MartinJohns]

Duplicate of #44802.

[boris-petrov]

Ah, sorry, you're better at searching for issues than me! 😄

[MartinJohns]

I have many years of practice, and I've seen most reoccurring issues on this repository several times already.