attempt to use http2 server push

views.go

@@ -22,6 +22,14 @@ func (app *appContext) AdminPage(gc *gin.Context) {
 	emailEnabled, _ := app.config.Section("invite_emails").Key("enabled").Bool()
 	notificationsEnabled, _ := app.config.Section("notifications").Key("enabled").Bool()
 	ombiEnabled := app.config.Section("ombi").Key("enabled").MustBool(false)
+	if pusher := gc.Writer.Pusher(); pusher != nil {
+		toPush := []string{"/js/admin.js", "/js/theme.js", "/js/lang.js", "/js/modal.js", "/js/tabs.js", "/js/invites.js", "/js/accounts.js", "/js/settings.js", "/js/profiles.js", "/js/common.js"}
+		for _, f := range toPush {
+			if err := pusher.Push(f, nil); err != nil {
+				app.debug.Printf("Failed HTTP2 ServerPush of \"%s\": %+v", f, err)
+			}
+		}
+	}
 	gcHTML(gc, http.StatusOK, "admin.html", gin.H{
 		"urlBase":         app.URLBase,
 		"cssClass":        app.cssClass,