error TS5107: Option 'target=ES5' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.


!!! error TS5107: Option 'target=ES5' is deprecated and will stop functioning in TypeScript 7.0. Specify compilerOption '"ignoreDeprecations": "6.0"' to silence this error.
==== nullishCoalescingOperatorInAsyncGenerator.ts (0 errors) ====
    // https://github.com/microsoft/TypeScript/issues/37686
    async function* f(a: { b?: number }) {
        let c = a.b ?? 10;
        while (c) {
            yield c--;
        }
    }
    