Function updateScopeComponent

packages/react-reconciler/src/ReactFiberBeginWork.js:3676–3686

(
  current: null | Fiber,
  workInProgress: Fiber,
  renderLanes: Lanes,
)

}

function updateScopeComponent(
  current: null | Fiber,
  workInProgress: Fiber,
  renderLanes: Lanes,
) {
  const nextProps = workInProgress.pendingProps;
  const nextChildren = nextProps.children;
  markRef(current, workInProgress);
  reconcileChildren(current, workInProgress, nextChildren, renderLanes);
  return workInProgress.child;
}

export function markWorkInProgressReceivedUpdate() {
  didReceiveUpdate = true;