package sravni

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

func findNode(parent *html.Node, eq func(*html.Node) (found, deeper bool)) *html.Node {
	for child := parent.FirstChild; child != nil; child = child.NextSibling {
		found, deeper := eq(child)
		if found {
			return child
		}
		if deeper {
			deeperChild := findNode(child, eq)
			if deeperChild != nil {
				return deeperChild
			}
		}
	}

	return nil
}