Function scheduleInitialHydrationOnRoot

dash/deps/react-dom@18.3.1.js:25594–25608

(root, lane, eventTime)

    }
  }
  function scheduleInitialHydrationOnRoot(root, lane, eventTime) {
    // This is a special fork of scheduleUpdateOnFiber that is only used to
    // schedule the initial hydration of a root that has just been created. Most
    // of the stuff in scheduleUpdateOnFiber can be skipped.
    //
    // The main reason for this separate path, though, is to distinguish the
    // initial children from subsequent updates. In fully client-rendered roots
    // (createRoot instead of hydrateRoot), all top-level renders are modeled as
    // updates, but hydration roots are special because the initial render must
    // match what was rendered on the server.
    var current = root.current;
    current.lanes = lane;
    markRootUpdated(root, lane, eventTime);
    ensureRootIsScheduled(root, eventTime);
  }
  function isUnsafeClassRenderPhaseUpdate(fiber) {
    // Check if this is a render phase update. Only called by class components,
    // which special (deprecated) behavior for UNSAFE_componentWillReceive props.