update

pkg/parserutil/url.go

@@ -0,0 +1,25 @@
+package parserutil
+
+import (
+	"net/url"
+	"strings"
+)
+
+// ResolveURL converts relative href values into absolute URLs.
+func ResolveURL(base string, href string) string {
+	if strings.HasPrefix(href, "http") {
+		return href
+	}
+
+	baseURL, err := url.Parse(base)
+	if err != nil {
+		return href
+	}
+
+	hrefURL, err := url.Parse(href)
+	if err != nil {
+		return href
+	}
+
+	return baseURL.ResolveReference(hrefURL).String()
+}