Unfortunately all I've got here is that the behaviour can be seen in my boilerplate React app: https://github.com/technion/awesome-sec-audit/blob/master/assets

Unfortunately all I've got here is that the behaviour can be seen in my boilerplate React app: https://github.com/technion/awesome-sec-audit/blob/master/assets/awesome-sec-audit-run.tsx https://github.com/technion/awesome-sec-audit/blob/master/as... If you insert the element directly in line 25 you'll get: error TS2345: Argument of type 'HTMLElement | null' is not assignable to parameter of type 'Element'.