feat: custom-api new func: parseHTML

internal/glance/widget-custom-api.go

@@ -18,6 +18,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/PuerkitoBio/goquery"
 	"github.com/tidwall/gjson"
 )
 
@@ -597,6 +598,14 @@ var customAPITemplateFuncs = func() template.FuncMap {
 
 			return getCachedRegexp(pattern).ReplaceAllString(s, replacement)
 		},
+		"parseHTML": func(body string) *goquery.Document {
+			doc, err := goquery.NewDocumentFromReader(strings.NewReader(body))
+			if err != nil {
+				return nil
+			}
+
+			return doc
+		},
 		"findMatch": func(pattern, s string) string {
 			if s == "" {
 				return ""