Improved canonical path for vision in Google. (theme-next#748)

* Improved canonical path for vision in Google.

From now all links will be not only without 'index.html', but without `.html` too.

* Changed links in tag plugins.

* Changed links in config.

Author: ivan-nginx

_config.yml

@@ -185,7 +185,7 @@ scheme: Muse
 
 # ---------------------------------------------------------------
 # Sidebar Settings
-# See: https://theme-next.org/docs/theme-settings/sidebar/
+# See: https://theme-next.org/docs/theme-settings/sidebar
 # ---------------------------------------------------------------
 
 # Posts / Categories / Tags in sidebar.
@@ -290,7 +290,7 @@ chat:
 
 # ---------------------------------------------------------------
 # Post Settings
-# See: https://theme-next.org/docs/theme-settings/posts/
+# See: https://theme-next.org/docs/theme-settings/posts
 # ---------------------------------------------------------------
 
 # Set the text alignment in the posts.
@@ -597,7 +597,7 @@ calendar:
 
 # ---------------------------------------------------------------
 # Comments and Widgets
-# See: https://theme-next.org/docs/third-party-services/comments-and-widgets/
+# See: https://theme-next.org/docs/third-party-services/comments-and-widgets
 # ---------------------------------------------------------------
 
 # Disqus
@@ -682,7 +682,7 @@ gitalk:
 
 # ---------------------------------------------------------------
 # Content Sharing Services
-# See: https://theme-next.org/docs/third-party-services/content-sharing-services/
+# See: https://theme-next.org/docs/third-party-services/content-sharing-services
 # ---------------------------------------------------------------
 
 # Baidu Share
@@ -741,7 +741,7 @@ needmoreshare2:
 
 # ---------------------------------------------------------------
 # Statistics and Analytics
-# See: https://theme-next.org/docs/third-party-services/statistics-and-analytics/
+# See: https://theme-next.org/docs/third-party-services/statistics-and-analytics
 # ---------------------------------------------------------------
 
 # Baidu Analytics ID
@@ -841,7 +841,7 @@ busuanzi_count:
 
 # ---------------------------------------------------------------
 # Search Services
-# See: https://theme-next.org/docs/third-party-services/search-services/
+# See: https://theme-next.org/docs/third-party-services/search-services
 # ---------------------------------------------------------------
 
 # Algolia Search
@@ -874,7 +874,7 @@ local_search:
 
 # ---------------------------------------------------------------
 # Chat Services
-# See: https://theme-next.org/docs/third-party-services/chat-services/
+# See: https://theme-next.org/docs/third-party-services/chat-services
 # ---------------------------------------------------------------
 
 # Chatra Support
@@ -1023,7 +1023,7 @@ canvas_ribbon:
 #! ---------------------------------------------------------------
 #! DO NOT EDIT THE FOLLOWING SETTINGS
 #! UNLESS YOU KNOW WHAT YOU ARE DOING
-#! See: https://theme-next.org/docs/advanced-settings/
+#! See: https://theme-next.org/docs/advanced-settings
 #! ---------------------------------------------------------------
 
 # Script Vendors. Set a CDN address for the vendor you want to customize.

layout/_partials/head/head-unique.swig

@@ -14,9 +14,10 @@
   <link rel="alternate" href="{{ url_for(theme.rss) }}" title="{{ title }}" type="application/atom+xml"/>
 {% endif %}
 
-{# Canonical, good for google search engine (SEO) : https://support.google.com/webmasters/answer/139066 #}
 {% if theme.canonical %}
-  <link rel="canonical" href="{{ config.url }}/{{ page.canonical_path.replace('index.html', '') }}"/>
+  {% set without_index = url.replace('index.html', '') %}
+  {% set without_html = without_index.replace('.html', '') %}
+  <link rel="canonical" href="{{ without_html }}"/>
 {% endif %}
 
 {# Exports some front-matter variables to Front-End #}

scripts/tags/button.js

@@ -1,5 +1,5 @@
 /**
- * button.js | https://theme-next.org/docs/tag-plugins/button/
+ * button.js | https://theme-next.org/docs/tag-plugins/button
  */
 
 /* global hexo */

scripts/tags/exturl.js

@@ -1,5 +1,5 @@
 /**
- * exturl.js | https://theme-next.org/docs/tag-plugins/exturl/
+ * exturl.js | https://theme-next.org/docs/tag-plugins/exturl
  * Note: need to remove in NexT v7.0.0
  */
 

scripts/tags/full-image.js

@@ -1,5 +1,5 @@
 /**
- * full-image.js | https://theme-next.org/docs/tag-plugins/full-image/
+ * full-image.js | https://theme-next.org/docs/tag-plugins/full-image
  */
 
 /* global hexo */

scripts/tags/group-pictures.js

@@ -1,5 +1,5 @@
 /**
- * group-pictures.js | https://theme-next.org/docs/tag-plugins/group-pictures/
+ * group-pictures.js | https://theme-next.org/docs/tag-plugins/group-pictures
  */
 
 /* global hexo */

scripts/tags/label.js

@@ -1,5 +1,5 @@
 /**
- * label.js | https://theme-next.org/docs/tag-plugins/label/
+ * label.js | https://theme-next.org/docs/tag-plugins/label
  */
 
 /* global hexo */

scripts/tags/mermaid.js

@@ -1,5 +1,5 @@
 /**
- * mermaid.js | https://theme-next.org/docs/tag-plugins/mermaid/
+ * mermaid.js | https://theme-next.org/docs/tag-plugins/mermaid
  */
 
 /* global hexo */

scripts/tags/note.js

@@ -1,5 +1,5 @@
 /**
- * note.js | https://theme-next.org/docs/tag-plugins/note/
+ * note.js | https://theme-next.org/docs/tag-plugins/note
  */
 
 /* global hexo */

scripts/tags/pdf.js

@@ -1,5 +1,5 @@
 /**
- * pdf.js | https://theme-next.org/docs/tag-plugins/pdf/
+ * pdf.js | https://theme-next.org/docs/tag-plugins/pdf
  */
 
 /* global hexo */