feat(hexo): SEO tags

src/hexo/source/posts.md

@@ -1,5 +1,6 @@
 ---
 title: 博客
+ksio_seo_role: writer
 ksio_slot_banner: _ksio/pages/posts/banner
 ksio_slot_content: _ksio/pages/posts/content
 ksio_slot_footer: _ksio/pages/posts/footer

src/hexo/themes/lime/layout/_ksio/partials/meta/seo.ejs

@@ -1 +1,84 @@
-<title><%= page.title || config.title %></title>
+<% const ksio_seo = theme.seo || {} %>
+<% const ksio_meta = theme.meta || {} %>
+<% const ksio_master = theme.master || {} %>
+<% const seo_url = config.url %>
+<% let seo_site_title = config.title %>
+<% const seo_title_suffix = ` - ${seo_site_title}` %>
+<% let seo_title %>
+<% let seo_page_title %>
+<% if (page.ksio_seo_title) { %>
+ <% seo_title = page.ksio_seo_title %>
+ <% seo_page_title = seo_title %>
+ <% if (ksio_seo.suffix !== false) { %>
+ <% seo_title = `${seo_title}${seo_title_suffix}` %>
+ <% } %>
+<% } else if (page.title) { %>
+ <% seo_title = page.title %>
+ <% seo_page_title = seo_title %>
+ <% if (ksio_seo.suffix !== false) { %>
+ <% seo_title = `${seo_title}${seo_title_suffix}` %>
+ <% } %>
+<% } else { %>
+ <% if (page.archive) { %>
+ <% seo_title = `发表于 ${page.year} 年的文章` %>
+ <% seo_page_title = seo_title %>
+ <% } else if (seo_site_title) { %>
+ <% seo_title = seo_site_title %>
+ <% seo_page_title = seo_site_title %>
+
+ <% if (config.subtitle) { %>
+ <% seo_title = `${seo_title} - ${config.subtitle}` %>
+ <% } %>
+ <% } %>
+<% } %>
+<% if (seo_title) { %>
+ <% seo_title = escape_html(trim(strip_html(markdown(seo_title)))) %>
+<% } %>
+<% if (seo_site_title) { %>
+ <% seo_site_title = escape_html(trim(strip_html(markdown(seo_site_title)))) %>
+<% } %>
+<% if (seo_page_title) { %>
+ <% seo_page_title = escape_html(trim(strip_html(markdown(seo_page_title)))) %>
+<% } %>
+<% let seo_description = page.title ? (page.description || page.excerpt || config.description) : config.description %>
+<% const role_type = page.ksio_seo_role %>
+<% const master_name = ksio_master.name || config.author %>
+<% if (role_type === 'writer') { %>
+ <% const posts = site.posts.data || site.posts %>
+ <% const first_post_year = date(posts.slice(-1)[0].date, 'YYYY') %>
+ <% const last_post_year = date(posts[0].date, 'YYYY') %>
+ <% const year_diff = last_post_year - first_post_year %>
+ <% seo_description = `${master_name}是一个写作爱好者，从 ${first_post_year} 年起 ${year_diff} 年间共写了 ${posts.length} 篇文章。` %>
+<% } else if (role_type === 'developer') { %>
+ <% seo_description = `${master_name}是一个码农，写了 ${site.data['local/github'].all.length} 个托管于 GitHub 的开源项目，在 CodePen 上建立了 ${site.data['local/codepen'].length} 个代码演示。` %>
+<% } %>
+<% if (seo_description) { %>
+ <% seo_description = escape_html(trim(strip_html(markdown(seo_description)))) %>
+<% } %>
+<% let seo_author_name %>
+<% let seo_author_twitter %>
+<% if (page.author) { %>
+ <% seo_author_name = page.author ? (page.author.name || page.author) : master_name %>
+ <% seo_author_twitter = page.author ? (page.author.twitter || page.author) : '' %>
+<% } %>
+<% if (seo_title) { %>
+ <title><%= seo_title %></title>
+<% } %>
+<% if (seo_page_title) { %>
+ <meta property="og:title" content="<%= seo_page_title %>">
+<% } %>
+<% if (seo_description) { %>
+ <meta name="description" content="<%= seo_description %>">
+ <meta property="og:description" content="<%= seo_description %>">
+<% } %>
+<% let keywords %>
+<% if (page.keywords) { %>
+ <% keywords = page.keywords %>
+<% } else { %>
+ <% if (!keywords) { %>
+ <% keywords = config.keywords %>
+ <% } %>
+<% } %>
+<% if (keywords) { %>
+ <meta name="keywords" content="<%= keywords %>">
+<% } %>

src/jekyll/_includes/ksio/partials/meta/seo.html

@@ -87,7 +87,7 @@
 {% endif %}
 
 {% if page.author %}
- {% assign seo_author_name = page.author.name | default: page.author %}
+ {% assign seo_author_name = page.author.name | default: page.author | default: master_name %}
  {% assign seo_author_twitter = page.author.twitter | default: page.author %}
 {% endif %}