Function retryTimedOutBoundary

packages/react-reconciler/src/ReactFiberWorkLoop.js:4852–4868

(boundaryFiber: Fiber, retryLane: Lane)

}

function retryTimedOutBoundary(boundaryFiber: Fiber, retryLane: Lane) {
  // The boundary fiber (a Suspense component or SuspenseList component)
  // previously was rendered in its fallback state. One of the promises that
  // suspended it has resolved, which means at least part of the tree was
  // likely unblocked. Try rendering again, at a new lanes.
  if (retryLane === NoLane) {
    // TODO: Assign this to `suspenseState.retryLane`? to avoid
    // unnecessary entanglement?
    retryLane = requestRetryLane(boundaryFiber);
  }
  // TODO: Special case idle priority?
  const root = enqueueConcurrentRenderForLane(boundaryFiber, retryLane);
  if (root !== null) {
    markRootUpdated(root, retryLane);
    ensureRootIsScheduled(root);
  }
}

export function retryDehydratedSuspenseBoundary(boundaryFiber: Fiber) {
  const suspenseState: null | SuspenseState = boundaryFiber.memoizedState;