🔎 Search Terms

Assertion functions don't work with wildcard imports

🕗 Version & Regression Information

This changed between versions 6 or earlier and 7

⏯ Playground Link

No response

💻 Code

// foo.ts
export function f(x: any): asserts x is boolean {
  if (typeof x === "boolean") return;
  throw new Error("...");
}

// bar.ts
import * as m from "./foo.js";
const { f } = m;
f(!0);

🙁 Actual behavior

TS2775

🙂 Expected behavior

no error

Additional information about the issue

See #35004