🔎 Search Terms

TypeScript incorrectly thinks the selection constant in the following code could be null:

Playground link

const selection = window.getSelection();

if (selection != null) {
    function clearSelection() {
        selection.empty(); // <-- TypeScript incorrectly says selection could be null here
    }

    clearSelection();
}

🕗 Version & Regression Information

v6.0.3

🙁 Actual behavior

A TS18047 error is displayed.

🙂 Expected behavior

No errors should be displayed.