Function throwException

docs/external/js/react-dom.development.js:20936–21118

(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    sourceFiber.effectTag |= Incomplete; // Its effect list is no longer valid.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;

      if ((sourceFiber.mode & BlockingMode) === NoMode) {
        // Reset the memoizedState to what it was before we attempted
        // to render it.
        var currentSource = sourceFiber.alternate;

        if (currentSource) {
          sourceFiber.updateQueue = currentSource.updateQueue;
          sourceFiber.memoizedState = currentSource.memoizedState;
          sourceFiber.expirationTime = currentSource.expirationTime;
        } else {
          sourceFiber.updateQueue = null;
          sourceFiber.memoizedState = null;
        }
      }

      var hasInvisibleParentBoundary = hasSuspenseContext(suspenseStackCursor.current, InvisibleParentSuspenseContext); // Schedule the nearest Suspense to re-render the timed out view.

      var _workInProgress = returnFiber;

      do {
        if (_workInProgress.tag === SuspenseComponent && shouldCaptureSuspense(_workInProgress, hasInvisibleParentBoundary)) {
          // Found the nearest boundary.
          // Stash the promise on the boundary fiber. If the boundary times out, we'll
          // attach another listener to flip the boundary back to its normal state.
          var thenables = _workInProgress.updateQueue;

          if (thenables === null) {
            var updateQueue = new Set();
            updateQueue.add(thenable);
            _workInProgress.updateQueue = updateQueue;
          } else {
            thenables.add(thenable);
          } // If the boundary is outside of blocking mode, we should *not*
          // suspend the commit. Pretend as if the suspended component rendered
          // null and keep rendering. In the commit phase, we'll schedule a
          // subsequent synchronous update to re-render the Suspense.
          //
          // Note: It doesn't matter whether the component that suspended was
          // inside a blocking mode tree. If the Suspense is outside of it, we
          // should *not* suspend the commit.


          if ((_workInProgress.mode & BlockingMode) === NoMode) {
            _workInProgress.effectTag |= DidCapture; // We're going to commit this fiber even though it didn't complete.
            // But we shouldn't call any lifecycle methods or callbacks. Remove
            // all lifecycle effect tags.

            sourceFiber.effectTag &= ~(LifecycleEffectMask | Incomplete);