fix: eliminate deprecation warnings with hugo version 0.156.0 (#702)

* Fix deprecation warning with latest hugo version 0.156.0

* fix: use `hugo.Data` to replace the discarded `.Site.Data`

* chore(hugo): update Hugo version requirements to 0.156.0

---------

Co-authored-by: Cell <1024@lruihao.cn>

layouts/_partials/header.html

@@ -1,4 +1,4 @@
-{{- $buildDrafts := .Site.BuildDrafts -}}
+{{- $buildDrafts := .Page.Draft -}}
 {{- $relLangURL := relLangURL "" -}}
 
 {{- /* Desktop header */ -}}
@@ -118,7 +118,7 @@
             </span>
             <ul class="sub-menu">
               {{- if (eq .Kind "404") -}}
-                {{- range .Sites -}}
+                {{- range hugo.Sites -}}
                   {{- if ne . $.Site -}}
                     {{- $link := printf "%v/404.html" .LanguagePrefix -}}
                     <li class="menu-item">
@@ -292,7 +292,7 @@
               </span>
               <select id="language-select" class="language-select" onchange="location = this.value;">
                 {{- if eq .Kind "404" -}}
-                  {{- range .Sites -}}
+                  {{- range hugo.Sites -}}
                     {{- $link := printf "%v/404.html" .LanguagePrefix -}}
                     <option value="{{ $link }}"{{ if eq . $.Site }} selected disabled{{ end }}>
                       {{- .Language.LanguageName -}}

layouts/_partials/init/detection-env.html

@@ -25,7 +25,7 @@
   {{- if ne .Site.Params.dev.enable true -}}
     {{- .Site.Store.Set "devOpts" dict -}}
   {{- end -}}
-  {{- if eq .Site .Sites.Default -}}
+  {{- if eq .Site hugo.Sites.Default -}}
     {{- warnf "FixIt %v\n%v\n\n" (hugo.Store.Get "version") (T "init.devEnvWarn") -}}
   {{- end -}}
 {{- end -}}

layouts/_partials/init/detection-version.html

@@ -10,7 +10,7 @@
 {{- end -}}
 
 {{- /* FixIt theme version detection */ -}}
-{{- if eq .Site .Sites.Default -}}
+{{- if eq .Site hugo.Sites.Default -}}
   {{- if not .Site.Params.version -}}
     {{- errorf "FixIt %v\n%v\n\n" $version (T "init.configurationError") -}}
   {{- else if gt "0.2.0" (strings.TrimPrefix "v" .Site.Params.version) -}}

layouts/_partials/plugin/echarts.html

@@ -24,7 +24,7 @@
   <template data-fmt="js" data-async="{{ $async }}">{{ $content | safeJS }}</template>
 {{- else -}}
   {{ with $data }}
-    {{- $content = index site.Data.echarts (printf "%v.%v" . page.Language) | default (index site.Data.echarts .) -}}
+    {{- $content = index hugo.Data.echarts (printf "%v.%v" . page.Language) | default (index hugo.Data.echarts .) -}}
     {{- if not $content -}}
       {{- warnf "ECharts: data not found, please ensure the data file \"data/echarts/%s.{json|yml|yaml|toml}\" exists." . -}}
     {{- end -}}

layouts/_partials/plugin/timeline.html

@@ -10,7 +10,7 @@
 {{- /* Get Timeline events */ -}}
 {{- $content := .Inner -}}
 {{ with $data }}
-  {{- $content = index site.Data.timeline (printf "%v.%v" . page.Language) | default (index site.Data.timeline .) -}}
+  {{- $content = index hugo.Data.timeline (printf "%v.%v" . page.Language) | default (index hugo.Data.timeline .) -}}
   {{- if not $content -}}
     {{- warnf "Timeline: data not found, please ensure the data file \"data/timeline/%s.{json|yml|yaml|toml}\" exists." . -}}
   {{- end -}}

layouts/_shortcodes/file-tree.html

@@ -89,9 +89,9 @@
   {{- end -}}
 {{- end -}}
 
-{{- /* Site Data: load from data/filetree/ */ -}}
+{{- /* Hugo Data: load from data/filetree/ */ -}}
 {{- if $dataName | and (not $treeData) -}}
-  {{- with index .Site.Data.filetree (printf "%v.%v" $dataName .Page.Language) | default (index .Site.Data.filetree $dataName) -}}
+  {{- with index hugo.Data.filetree (printf "%v.%v" $dataName .Page.Language) | default (index hugo.Data.filetree $dataName) -}}
     {{- $treeData = . -}}
   {{- else -}}
     {{- $exts := delimit (apply $supportExts "trim" "." "\\.") "|" -}}

layouts/friends.html

@@ -16,7 +16,7 @@
     {{- /* Friend links */ -}}
     <script src="//at.alicdn.com/t/font_578712_g26jo2kbzd5qm2t9.js" async defer></script>
     <div class="friend-links">
-      {{ range $index, $friend := .Site.Data.friends }}
+      {{ range $index, $friend := hugo.Data.friends }}
         <a class="friend-link" title="{{ $friend.description | safeHTML }}" href="{{ $friend.url | safeURL }}" rel="external noopener" target="_blank">
           {{ if $friend.avatar }}
             {{- dict "Src" $friend.avatar "Alt" $friend.nickname "Title" $friend.description "Class" "friend-avatar" | partial "plugin/image.html" -}}