Merge pull request #34 from benbalter/default-to-post-excerpt

use the page.excerpt if the page.description doesn't exist

Author: parkr

lib/template.html

@@ -37,6 +37,8 @@
 
 {% if page.description %}
   {% assign seo_description = page.description %}
+{% elsif page.excerpt %}
+  {% assign seo_description = page.excerpt %}
 {% elsif site.description %}
   {% assign seo_description = site.description %}
 {% endif %}

spec/jekyll_seo_tag_spec.rb

@@ -39,7 +39,14 @@
     expect(subject.render(context)).to match(/<meta property='og:description' content="foo" \/>/)
   end
 
-  it "uses the site description when no page description exists" do
+  it "uses the page excerpt when no page description exists" do
+    page = page({"description" => "foobar"})
+    context = context({ :page => page })
+    expect(subject.render(context)).to match(/<meta name="description" content="foobar" \/>/)
+    expect(subject.render(context)).to match(/<meta property='og:description' content="foobar" \/>/)
+  end
+
+  it "uses the site description when no page description nor excerpt exist" do
     site = site({"description" => "foo"})
     context = context({ :site => site })
     expect(subject.render(context)).to match(/<meta name="description" content="foo" \/>/)