Function unmountComponentAtNode

lib/assets/react-source/development/react.js:28552–28603

(container)

	  return legacyRenderSubtreeIntoContainer(parentComponent, element, containerNode, false, callback);
	}
	function unmountComponentAtNode(container) {
	  if (!isValidContainer(container)) {
	    {
	      throw Error( "unmountComponentAtNode(...): Target container is not a DOM element." );
	    }
	  }

	  {
	    var isModernRoot = isContainerMarkedAsRoot(container) && container._reactRootContainer === undefined;

	    if (isModernRoot) {
	      error('You are calling ReactDOM.unmountComponentAtNode() on a container that was previously ' + 'passed to ReactDOM.createRoot(). This is not supported. Did you mean to call root.unmount()?');
	    }
	  }

	  if (container._reactRootContainer) {
	    {
	      var rootEl = getReactRootElementInContainer(container);
	      var renderedByDifferentReact = rootEl && !getInstanceFromNode$1(rootEl);

	      if (renderedByDifferentReact) {
	        error("unmountComponentAtNode(): The node you're attempting to unmount " + 'was rendered by another copy of React.');
	      }
	    } // Unmount should not be batched.


	    unbatchedUpdates(function () {
	      legacyRenderSubtreeIntoContainer(null, null, container, false, function () {
	        // $FlowFixMe This should probably use `delete container._reactRootContainer`
	        container._reactRootContainer = null;
	        unmarkContainerAsRoot(container);
	      });
	    }); // If you call unmountComponentAtNode twice in quick succession, you'll
	    // get `true` twice. That's probably fine?

	    return true;
	  } else {
	    {
	      var _rootEl = getReactRootElementInContainer(container);

	      var hasNonRootReactChild = !!(_rootEl && getInstanceFromNode$1(_rootEl)); // Check if the container itself is a React root node.

	      var isContainerReactRoot = container.nodeType === ELEMENT_NODE && isValidContainer(container.parentNode) && !!container.parentNode._reactRootContainer;

	      if (hasNonRootReactChild) {
	        error("unmountComponentAtNode(): The node you're attempting to unmount " + 'was rendered by React and is not a top-level container. %s', isContainerReactRoot ? 'You may have accidentally passed in a React root node instead ' + 'of its container.' : 'Instead, have the parent component update its state and ' + 'rerender in order to remove this component.');
	      }
	    }

	    return false;
	  }
	}

	function createPortal(children, containerInfo, // TODO: figure out the API for cross-renderer implementation.
	implementation) {