Typescript, how to pass “Object is possibly null” error?

Question

I\'ve got the \"Object is possibly null\" error many times and usually I use a safety \"if statement\" in case it returns null.

I\'ve got the following function:

<

Answer 1

const overlayEl = useRef() as MutableRefObject;

It will cast overlayEl to an initiated MutableRefObject that is the returning value of useRef:

function useRef(): MutableRefObject;

Yet in this case, the compiler will always think that overlayEl has a value.