Function legacyCreateRootFromDOMContainer

dash/deps/react-dom@18.3.1.js:29571–29629

(container, initialChildren, parentComponent, callback, isHydrationContainer)

  }

  function legacyCreateRootFromDOMContainer(container, initialChildren, parentComponent, callback, isHydrationContainer) {
    if (isHydrationContainer) {
      if (typeof callback === 'function') {
        var originalCallback = callback;

        callback = function () {
          var instance = getPublicRootInstance(root);
          originalCallback.call(instance);
        };
      }

      var root = createHydrationContainer(initialChildren, callback, container, LegacyRoot, null, // hydrationCallbacks
      false, // isStrictMode
      false, // concurrentUpdatesByDefaultOverride,
      '', // identifierPrefix
      noopOnRecoverableError);
      container._reactRootContainer = root;
      markContainerAsRoot(root.current, container);
      var rootContainerElement = container.nodeType === COMMENT_NODE ? container.parentNode : container;
      listenToAllSupportedEvents(rootContainerElement);
      flushSync();
      return root;
    } else {
      // First clear any existing content.
      var rootSibling;

      while (rootSibling = container.lastChild) {
        container.removeChild(rootSibling);
      }

      if (typeof callback === 'function') {
        var _originalCallback = callback;

        callback = function () {
          var instance = getPublicRootInstance(_root);

          _originalCallback.call(instance);
        };
      }

      var _root = createContainer(container, LegacyRoot, null, // hydrationCallbacks
      false, // isStrictMode
      false, // concurrentUpdatesByDefaultOverride,
      '', // identifierPrefix
      noopOnRecoverableError);

      container._reactRootContainer = _root;
      markContainerAsRoot(_root.current, container);

      var _rootContainerElement = container.nodeType === COMMENT_NODE ? container.parentNode : container;

      listenToAllSupportedEvents(_rootContainerElement); // Initial mount should not be batched.

      flushSync(function () {
        updateContainer(initialChildren, _root, parentComponent, callback);
      });
      return _root;
    }