Function throwException

examples/typescript-react/js/bundle.js:17813–18020

(root, returnFiber, sourceFiber, value, renderExpirationTime)

}

function throwException(root, returnFiber, sourceFiber, value, renderExpirationTime) {
  // The source fiber did not complete.
  sourceFiber.effectTag |= Incomplete;
  // Its effect list is no longer valid.
  sourceFiber.firstEffect = sourceFiber.lastEffect = null;

  if (value !== null && typeof value === 'object' && typeof value.then === 'function') {
    // This is a thenable.
    var thenable = value;

    // Find the earliest timeout threshold of all the placeholders in the
    // ancestor path. We could avoid this traversal by storing the thresholds on
    // the stack, but we choose not to because we only hit this path if we're
    // IO-bound (i.e. if something suspends). Whereas the stack is used even in
    // the non-IO- bound case.
    var _workInProgress = returnFiber;
    var earliestTimeoutMs = -1;
    var startTimeMs = -1;
    do {
      if (_workInProgress.tag === SuspenseComponent) {
        var current$$1 = _workInProgress.alternate;
        if (current$$1 !== null) {
          var currentState = current$$1.memoizedState;
          if (currentState !== null) {
            // Reached a boundary that already timed out. Do not search
            // any further.
            var timedOutAt = currentState.timedOutAt;
            startTimeMs = expirationTimeToMs(timedOutAt);
            // Do not search any further.
            break;
          }
        }
        var timeoutPropMs = _workInProgress.pendingProps.maxDuration;
        if (typeof timeoutPropMs === 'number') {
          if (timeoutPropMs <= 0) {
            earliestTimeoutMs = 0;
          } else if (earliestTimeoutMs === -1 || timeoutPropMs < earliestTimeoutMs) {
            earliestTimeoutMs = timeoutPropMs;
          }
        }
      }
      _workInProgress = _workInProgress.return;
    } while (_workInProgress !== null);

    // Schedule the nearest Suspense to re-render the timed out view.
    _workInProgress = returnFiber;
    do {
      if (_workInProgress.tag === SuspenseComponent && shouldCaptureSuspense(_workInProgress)) {
        // Found the nearest boundary.

        // Stash the promise on the boundary fiber. If the boundary times out, we'll
        var thenables = _workInProgress.updateQueue;
        if (thenables === null) {
          _workInProgress.updateQueue = new Set([thenable]);
        } else {
          thenables.add(thenable);
        }