Function unmountHostComponents

lib/assets/react-source/development/react.js:24089–24189

(finishedRoot, current, renderPriorityLevel)

	}

	function unmountHostComponents(finishedRoot, current, renderPriorityLevel) {
	  // We only have the top Fiber that was deleted but we need to recurse down its
	  // children to find all the terminal nodes.
	  var node = current; // Each iteration, currentParent is populated with node's host parent if not
	  // currentParentIsValid.

	  var currentParentIsValid = false; // Note: these two variables *must* always be updated together.

	  var currentParent;
	  var currentParentIsContainer;

	  while (true) {
	    if (!currentParentIsValid) {
	      var parent = node.return;

	      findParent: while (true) {
	        if (!(parent !== null)) {
	          {
	            throw Error( "Expected to find a host parent. This error is likely caused by a bug in React. Please file an issue." );
	          }
	        }

	        var parentStateNode = parent.stateNode;

	        switch (parent.tag) {
	          case HostComponent:
	            currentParent = parentStateNode;
	            currentParentIsContainer = false;
	            break findParent;

	          case HostRoot:
	            currentParent = parentStateNode.containerInfo;
	            currentParentIsContainer = true;
	            break findParent;

	          case HostPortal:
	            currentParent = parentStateNode.containerInfo;
	            currentParentIsContainer = true;
	            break findParent;

	        }

	        parent = parent.return;
	      }

	      currentParentIsValid = true;
	    }

	    if (node.tag === HostComponent || node.tag === HostText) {
	      commitNestedUnmounts(finishedRoot, node, renderPriorityLevel); // After all the children have unmounted, it is now safe to remove the
	      // node from the tree.

	      if (currentParentIsContainer) {
	        removeChildFromContainer(currentParent, node.stateNode);
	      } else {
	        removeChild(currentParent, node.stateNode);
	      } // Don't visit children because we already visited them.