Method getAppImportMap

web/handler.go:767–814

()

}

func (s *Handler) getAppImportMap() (importMapRaw []byte, importMap *importmap.ImportMap, err error) {
	file, err := os.Open(filepath.Join(s.config.AppDir, "index.html"))
	if err != nil {
		return
	}
	defer file.Close()

	tokenizer := html.NewTokenizer(file)
	for {
		tt := tokenizer.Next()
		if tt == html.ErrorToken {
			break
		}
		if tt == html.StartTagToken {
			tagName, moreAttr := tokenizer.TagName()
			if string(tagName) == "script" {
				var typeAttr string
				for moreAttr {
					var key, val []byte
					key, val, moreAttr = tokenizer.TagAttr()
					if string(key) == "type" {
						typeAttr = string(val)
						break
					}
				}
				if typeAttr == "importmap" {
					tokenizer.Next()
					importMapRaw = tokenizer.Text()
					importMap, err = importmap.Parse(nil, importMapRaw)
					if err != nil {
						err = errors.New("invalid import map")
						return
					}
					// todo: cache parsed import map
					break
				}
			} else if string(tagName) == "body" {
				break
			}
		} else if tt == html.EndTagToken {
			tagName, _ := tokenizer.TagName()
			if bytes.Equal(tagName, []byte("head")) {
				break
			}
		}
	}
	return
}

func (s *Handler) analyzeDependencyTree(entry string, importMap *importmap.ImportMap) (tree map[string][]byte, err error) {
	tree = make(map[string][]byte)