Function mountIncompleteClassComponent

dash/deps/react-dom@18.2.0.js:20026–20047

(_current, workInProgress, Component, nextProps, renderLanes)

  }

  function mountIncompleteClassComponent(_current, workInProgress, Component, nextProps, renderLanes) {
    resetSuspendedCurrentOnMountInLegacyMode(_current, workInProgress); // Promote the fiber to a class and try rendering again.

    workInProgress.tag = ClassComponent; // The rest of this function is a fork of `updateClassComponent`
    // Push context providers early to prevent context stack mismatches.
    // During mounting we don't know the child context yet as the instance doesn't exist.
    // We will invalidate the child context in finishClassComponent() right after rendering.

    var hasContext;

    if (isContextProvider(Component)) {
      hasContext = true;
      pushContextProvider(workInProgress);
    } else {
      hasContext = false;
    }

    prepareToReadContext(workInProgress, renderLanes);
    constructClassInstance(workInProgress, Component, nextProps);
    mountClassInstance(workInProgress, Component, nextProps, renderLanes);
    return finishClassComponent(null, workInProgress, Component, true, hasContext, renderLanes);
  }

  function mountIndeterminateComponent(_current, workInProgress, Component, renderLanes) {
    resetSuspendedCurrentOnMountInLegacyMode(_current, workInProgress);