change.go

package dom

import "golang.org/x/net/html"

func RemoveNode(node *html.Node) {
	if node == nil || node.Parent == nil {
		return
	}

	node.Parent.RemoveChild(node)
}

func ReplaceNode(node, newNode *html.Node) {
	if node.Parent == nil || node == newNode {
		return
	}

	node.Parent.InsertBefore(newNode, node)
	node.Parent.RemoveChild(node)
}

func UnwrapNode(node *html.Node) {
	if node == nil || node.Parent == nil {
		return
	}

	// In each iteration, we once again grab the first child, since
	// the previous first child was just removed.
	for child := node.FirstChild; child != nil; child = node.FirstChild {
		node.RemoveChild(child)
		node.Parent.InsertBefore(child, node)
	}

	node.Parent.RemoveChild(node)
}

// TODO: WrapNode or WrapNodes
//
// func WrapNode(existingNode, newNode *html.Node) *html.Node {
// 	if existingNode == nil || existingNode.Parent == nil {
// 		return existingNode
// 	}
//
// 	existingNode.Parent.InsertBefore(newNode, existingNode)
// 	existingNode.Parent.RemoveChild(existingNode)
//
// 	newNode.AppendChild(existingNode)
//
// 	return newNode
// }