Function createFiberFromOffscreen

docs/index.js:13041–13075

(pendingProps, mode, lanes, key)

  return elements;
}
function createFiberFromOffscreen(pendingProps, mode, lanes, key) {
  pendingProps = createFiberImplClass(22, pendingProps, key, mode);
  pendingProps.elementType = REACT_OFFSCREEN_TYPE;
  pendingProps.lanes = lanes;
  var primaryChildInstance = {
    _visibility: 1,
    _pendingVisibility: 1,
    _pendingMarkers: null,
    _retryCache: null,
    _transitions: null,
    _current: null,
    detach: function () {
      var fiber = primaryChildInstance._current;
      if (null === fiber) throw Error(formatProdErrorMessage(456));
      if (0 === (primaryChildInstance._pendingVisibility & 2)) {
        var root = enqueueConcurrentRenderForLane(fiber, 2);
        null !== root &&
          ((primaryChildInstance._pendingVisibility |= 2),
          scheduleUpdateOnFiber(root, fiber, 2));
      }
    },
    attach: function () {
      var fiber = primaryChildInstance._current;
      if (null === fiber) throw Error(formatProdErrorMessage(456));
      if (0 !== (primaryChildInstance._pendingVisibility & 2)) {
        var root = enqueueConcurrentRenderForLane(fiber, 2);
        null !== root &&
          ((primaryChildInstance._pendingVisibility &= -3),
          scheduleUpdateOnFiber(root, fiber, 2));
      }
    }
  };
  pendingProps.stateNode = primaryChildInstance;
  return pendingProps;
}
function createFiberFromText(content, mode, lanes) {
  content = createFiberImplClass(6, content, null, mode);
  content.lanes = lanes;