Function unwrapThenable

packages/react-reconciler/src/ReactChildFiber.js:278–285

(thenable: Thenable<T>)

}

function unwrapThenable<T>(thenable: Thenable<T>): T {
  const index = thenableIndexCounter;
  thenableIndexCounter += 1;
  if (thenableState === null) {
    thenableState = createThenableState();
  }
  return trackUsedThenable(thenableState, thenable, index);
}

function coerceRef(workInProgress: Fiber, element: ReactElement): void {
  // TODO: This is a temporary, intermediate step. Now that enableRefAsProp is on,