fix(www): fallback to hostname of canonicalLink if publishedAt is not…

… specified (#10855)
gatsbyjs · Jan 8, 2019 · c8128db · c8128db
1 parent 1aa27eb
commit c8128db
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Showing 2 changed files with 14 additions and 3 deletions.
diff --git a/www/gatsby-node.js b/www/gatsby-node.js
@@ -470,14 +470,25 @@ exports.onCreateNode = ({ node, actions, getNode, reporter }) => {
         slug = `/${parsedFilePath.dir}/`
       }
 
-      // Set released status for blog posts.
+      // Set released status and `published at` for blog posts.
       if (_.includes(parsedFilePath.dir, `blog`)) {
         let released = false
         const date = _.get(node, `frontmatter.date`)
         if (date) {
           released = moment().isSameOrAfter(moment.utc(date))
         }
         createNodeField({ node, name: `released`, value: released })
+
+        const canonicalLink = _.get(node, `frontmatter.canonicalLink`)
+        const publishedAt = _.get(node, `frontmatter.publishedAt`)
+
+        createNodeField({
+          node,
+          name: `publishedAt`,
+          value: canonicalLink
+            ? publishedAt || url.parse(canonicalLink).hostname
+            : null,
+        })
       }
     }
     // Add slugs for package READMEs.

diff --git a/www/src/templates/template-blog-post.js b/www/src/templates/template-blog-post.js
@@ -213,7 +213,7 @@ class BlogPostTemplate extends React.Component {
                       (originally published at
                       {` `}
                       <a href={post.frontmatter.canonicalLink}>
-                        {post.frontmatter.publishedAt}
+                        {this.props.data.markdownRemark.fields.publishedAt}
                       </a>
                       )
                     </span>
@@ -344,14 +344,14 @@ export const pageQuery = graphql`
       timeToRead
       fields {
         slug
+        publishedAt
       }
       frontmatter {
         title
         excerpt
         date(formatString: "MMMM Do YYYY")
         rawDate: date
         canonicalLink
-        publishedAt
         tags
         image {
           childImageSharp {