Function appendDevReloaderScript

reloader.go:248–277

(r io.Reader)

`

func appendDevReloaderScript(r io.Reader) (*html.Node, error) {
	doc, err := html.Parse(r)
	if err != nil {
		return nil, fmt.Errorf("parsing HTML: %w", err)
	}
	var f func(*html.Node)
	f = func(n *html.Node) {
		if n.Type == html.ElementNode && n.Data == "body" {
			text := &html.Node{
				Type: html.TextNode,
				Data: devReloaderScript,
			}
			script := &html.Node{
				Type:     html.ElementNode,
				Data:     "script",
				DataAtom: atom.Script,
				Attr: []html.Attribute{
					{Key: "type", Val: "text/javascript"},
				},
			}
			script.AppendChild(text)
			n.AppendChild(script)
		}
		for c := n.FirstChild; c != nil; c = c.NextSibling {
			f(c)
		}
	}
	f(doc)
	return doc, nil
}

func debounceEvents(ctx context.Context, interval time.Duration, watcher *fsnotify.Watcher, fn func(event fsnotify.Event)) {
	var mu sync.Mutex