breaking changes: algolia 升級至 v4

feat:  本地搜索增加數據庫加載中和搜索中 loading 顯示
feat: 更改文章美化後,列表的顯示效果 closed #693 closed #686
improvement: UI 微調

layout/includes/additional-js.pug

@@ -8,7 +8,7 @@ div
   if theme.medium_zoom
     script(src=url_for(theme.CDN.medium_zoom))
   else if theme.fancybox
-    script(src=url_for(theme.CDN.fancybox))
+    script(src=url_for(theme.CDN.fancybox_v4))
 
   if theme.instantpage
     script(src=url_for(theme.CDN.instantpage), type='module')
@@ -24,7 +24,8 @@ div
 
   //- search
   if theme.algolia_search.enable
-    script(src=url_for(theme.CDN.algolia_search))
+    script(src=url_for(theme.CDN.algolia_search_v4))
+    script(src=url_for(theme.CDN.instantsearch_v4))
     script(src=url_for(theme.CDN.algolia_js))
   else if theme.local_search.enable
     script(src=url_for(theme.CDN.local_search))

layout/includes/head.pug

@@ -52,11 +52,8 @@ link(rel='stylesheet', href=url_for(theme.CDN.fontawesome) media="print" onload=
 if (theme.snackbar && theme.snackbar.enable)
   link(rel='stylesheet', href=url_for(theme.CDN.snackbar_css) media="print" onload="this.media='all'")
 
-if theme.algolia_search.enable
-  link(rel='stylesheet' href=url_for(theme.CDN.algolia_search_css) media="print" onload="this.media='all'")
-
 if theme.fancybox
-  link(rel='stylesheet' href=url_for(theme.CDN.fancybox_css) media="print" onload="this.media='all'")
+  link(rel='stylesheet' href=url_for(theme.CDN.fancybox_css_v4) media="print" onload="this.media='all'")
 
 //- google_adsense
 !=partial('includes/head/google_adsense', {}, {cache: true})

layout/includes/head/config.pug

@@ -9,9 +9,9 @@
       hits: theme.algolia_search.hits,
       // search languages
       languages: {
-        input_placeholder: _p("algolia_search.input_placeholder"),
-        hits_empty: _p("algolia_search.hits_empty"),
-        hits_stats: _p("algolia_search.hits_stats")
+        input_placeholder: _p("search.algolia_search.input_placeholder"),
+        hits_empty: _p("search.algolia_search.hits_empty"),
+        hits_stats: _p("search.algolia_search.hits_stats"),
       }
     })
   }
@@ -22,7 +22,7 @@
       path: config.search.path,
       languages: {
         // search languages
-        hits_empty: _p("local_search.hits_empty")
+        hits_empty: _p("search.local_search.hits_empty"),
       }
     })
   }