Merge branch 'master' into feat/open-graph

src/data/authors/kamran.md

@@ -1,6 +1,9 @@
 ---
 name: 'Kamran Ahmed'
 imageUrl: '/authors/kamran.jpeg'
+employment:
+  title: 'Founder'
+  company: 'roadmap.sh'
 social:
   linkedin: 'https://www.linkedin.com/in/kamrify'
   twitter: 'https://twitter.com/kamrify'

src/data/roadmaps/sql/content/107-sub-queries/index.md

@@ -33,7 +33,7 @@ WHERE  column_name OPERATOR
    WHERE roll_id = (SELECT roll_id FROM student WHERE name='John');
    ```
 
-2. **Row subquery**: It returns single row of two or more values. 
+2. **Row subquery**: It returns a single row or multiple rows of two or more values. 
 
    ```sql
    SELECT * FROM student 
@@ -57,4 +57,4 @@ WHERE  column_name OPERATOR
 
 ## General Note
 
-Subqueries can be either correlated or uncorrelated. A correlated subquery is a subquery that uses values from the outer query. Conversely, an uncorrelated subquery is a subquery that can be run independently of the outer query.
+Subqueries can be either correlated or uncorrelated. A correlated subquery is a subquery that uses values from the outer query. Conversely, an uncorrelated subquery is a subquery that can be run independently of the outer query.

src/data/roadmaps/typescript/content/101-typescript-types/104-undefined.md

@@ -1,6 +1,6 @@
 # undefined
 
-JavaScript has two primitive values used to signal absent or uninitialized value: `null` (absent) and `undefined` (unintialized).
+JavaScript has two primitive values used to signal absent or uninitialized value: `null` (absent) and `undefined` (uninitialized).
 
 TypeScript has two corresponding _types_ by the same names. How these types behave depends on whether you have the `strictNullChecks` option on.
 

src/layouts/BaseLayout.astro

@@ -145,7 +145,10 @@ const gaPageIdentifier = Astro.url.pathname
     <slot name='after-header' />
     {
       jsonLd.length > 0 && (
-        <script type='application/ld+json' set:html={JSON.stringify(jsonLd)} />
+        <script
+          type='application/ld+json'
+          set:html={JSON.stringify(jsonLd.length === 1 ? jsonLd[0] : jsonLd)}
+        />
       )
     }
   </head>

src/lib/author.ts

@@ -3,6 +3,10 @@ import type { MarkdownFileType } from './file';
 export interface AuthorFrontmatter {
   name: string;
   imageUrl: string;
+  employment?: {
+    title: string;
+    company: string;
+  };
   social: {
     twitter: string;
     github: string;

src/pages/authors/[authorId].astro

@@ -20,6 +20,8 @@ export async function getStaticPaths() {
 const { authorId } = Astro.params;
 
 const author = await getAuthorById(authorId);
+const authorFrontmatter = author.frontmatter;
+
 const guides = await getGuidesByAuthor(authorId);
 const videos = await getVideosByAuthor(authorId);
 ---
@@ -28,16 +30,37 @@ const videos = await getVideosByAuthor(authorId);
   permalink={`/author/${author.id}`}
   title={`${author.frontmatter.name} - Author at roadmap.sh`}
   briefTitle={author.frontmatter.name}
-  ogImageUrl={`https://roadmap.sh/${author.frontmatter.imageUrl}`}
+  ogImageUrl={`https://roadmap.sh/${authorFrontmatter.imageUrl}`}
   description={`${author.frontmatter.name} has written ${guides.length} articles on roadmap.sh on a variety of topics.`}
   noIndex={false}
+  jsonLd={[
+    {
+      '@context': 'https://schema.org/',
+      '@type': 'Person',
+      name: authorFrontmatter.name,
+      url: `https://roadmap.sh/authors/${authorId}`,
+      image: authorFrontmatter.imageUrl.startsWith('http')
+        ? authorFrontmatter.imageUrl
+        : `https://roadmap.sh${authorFrontmatter.imageUrl}`,
+      sameAs: authorFrontmatter.social
+        ? Object.values(authorFrontmatter.social)
+        : [],
+      ...(authorFrontmatter.employment && {
+        jobTitle: authorFrontmatter.employment?.title,
+        worksFor: {
+          '@type': 'Organization',
+          name: authorFrontmatter.employment.company,
+        },
+      }),
+    },
+  ]}
 >
   <div class='container pb-0 pt-4 md:pb-16 md:pt-8'>
     <div class=''>
       <div class='mb-5 flex items-center gap-8 rounded-3xl py-0 md:py-8'>
         <div class='flex-grow'>
           <h1 class='text-2xl font-bold md:text-3xl'>
-            {author.frontmatter.name}
+            {authorFrontmatter.name}
           </h1>
           <div
             class='mb-4 mt-1 flex flex-col gap-3 leading-normal text-gray-800 md:mb-6 md:mt-4 [&>p>a]:font-semibold [&>p>a]:underline'
@@ -48,9 +71,9 @@ const videos = await getVideosByAuthor(authorId);
           <div class='flex items-center justify-between'>
             <div class='flex items-center gap-1.5'>
               {
-                author.frontmatter.social?.github && (
+                authorFrontmatter.social?.github && (
                   <a
-                    href={author.frontmatter.social.github}
+                    href={authorFrontmatter.social.github}
                     target='_blank'
                     class='text-gray-500 transition-colors hover:text-gray-800'
                   >
@@ -59,9 +82,9 @@ const videos = await getVideosByAuthor(authorId);
                 )
               }
               {
-                author.frontmatter.social.twitter && (
+                authorFrontmatter.social.twitter && (
                   <a
-                    href={author.frontmatter.social.twitter}
+                    href={authorFrontmatter.social.twitter}
                     target='_blank'
                     class='text-gray-500 transition-colors hover:text-gray-800'
                   >
@@ -70,9 +93,9 @@ const videos = await getVideosByAuthor(authorId);
                 )
               }
               {
-                author.frontmatter.social.linkedin && (
+                authorFrontmatter.social.linkedin && (
                   <a
-                    href={author.frontmatter.social.linkedin}
+                    href={authorFrontmatter.social.linkedin}
                     target='_blank'
                     class='text-gray-500 transition-colors hover:text-gray-800'
                   >
@@ -81,9 +104,9 @@ const videos = await getVideosByAuthor(authorId);
                 )
               }
               {
-                author.frontmatter.social.website && (
+                authorFrontmatter.social.website && (
                   <a
-                    href={author.frontmatter.social.website}
+                    href={authorFrontmatter.social.website}
                     target='_blank'
                     class='text-gray-500 transition-colors hover:text-gray-800'
                   >
@@ -98,7 +121,7 @@ const videos = await getVideosByAuthor(authorId);
           <img
             alt="Kamran Ahmed's profile picture"
             class='block h-[175px] w-[175px] rounded-full bg-gray-100'
-            src={author.frontmatter.imageUrl}
+            src={authorFrontmatter.imageUrl}
           />
         </div>
       </div>