feat(menu): add menu pre

exampleSite/config.toml

@@ -97,7 +97,9 @@ dateFormatToUse = "2006-01-02"
 
   [[menu.main]]
     identifier = "zh"
-    name = '<i class="fas fa-language fa-fw" title="简体中文"></i>'
+    pre = '<i class="fas fa-language fa-fw"></i>'
+    name = ""
+    title = "简体中文"
     url = "https://hugo-loveit-zh.netlify.com"
     weight = 5
 

exampleSite/zh/config.toml

@@ -97,7 +97,9 @@ dateFormatToUse = "2006-01-02"
 
   [[menu.main]]
     identifier = "en"
-    name = '<i class="fas fa-language fa-fw" title="English"></i>'
+    pre = '<i class="fas fa-language fa-fw"></i>'
+    name = ""
+    title = "English"
     url = "https://hugo-loveit-en.netlify.com"
     weight = 5
 

layouts/partials/header.html

@@ -10,7 +10,7 @@
             {{- $currentPage := . }}
             {{- range .Site.Menus.main -}}
                 <a class="menu-item{{ if or ($currentPage.IsMenuCurrent "main" .) ($currentPage.HasMenuCurrent "main" .) | or (eq $currentPage.RelPermalink .URL) }} active{{ end }}" href="{{ .URL | absLangURL }}" title="{{ .Title }}">
-                    {{- .Name | safeHTML -}}
+                    {{- .Pre | safeHTML }}{{ .Name -}}
                 </a>
             {{- end -}}
             <a href="javascript:void(0);" class="theme-switch"><i class="fas fa-adjust fa-rotate-180 fa-fw" title="{{ T "switchTheme" }}"></i></a>