feat: add outdated reminder to old articles (init)

src/components/ArticleList.astro

@@ -5,7 +5,7 @@ const { posts, displayDate = false, placeholder = false } = Astro.props;
     {posts.map((post) => (
             <p>
                 {displayDate && <span class="list-date">{new Date(post.data.date).toISOString().split('T')[0]}</span>}
-                <a href={`/blog/${post.slug}`}>{post.data.title}</a>
+                {post.data.draft && <span class="draft-badge">[draft] </span>}<a href={`/blog/${post.slug}`}>{post.data.title}</a>
             </p>
     ))}
 

src/components/OutDatedCallOut.astro

@@ -0,0 +1,14 @@
+---
+import Callout from "./shortcodes/Callout.astro"
+const { lastUpdatedAt } = Astro.props
+const lastUpdated = new Date(lastUpdatedAt).getTime()
+const dateNow = new Date().getTime()
+const dateDelta = dateNow - lastUpdated
+const Day = 1000 * 60 * 60 * 24
+const daysDelta = Math.round(dateDelta / Day)
+---
+{ daysDelta >= 30 &&
+<Callout type="warning" icon="📅">
+    This article was updated on {daysDelta} days ago. The content may be outdated.
+</Callout>
+}

src/config.ts

@@ -37,6 +37,13 @@ export const siteConfig = {
             listuuid: '3546fc35-fd75-4163-936a-114514191981', // the id of the list to subscribe to, can be found in the listmonk admin panel
         }
     },
+    // outdated callout
+    // enable the callout to notify users that the content maybe outdated, this will add a callout to the top of the article page,
+    // initialized by the server islands
+    outdatedCallout: {
+        enabled: true,
+        daysBeforeOutdated: 90, // the number of days before the content is considered outdated, defaults to 90 days
+    },
     // encryption
     // the global password to encrypt/decrypt the content, if set, all <ProtectedContent/> without specifying a password will be encrypted with this password
     // To use an environment variable to set the password, replace the value with `import.meta.env.CONTENT_PASSWORD`

src/content/posts/outdated-test/index.md

@@ -0,0 +1,9 @@
+---
+title: 'the Origin of the Computer Science'
+description: 'A walkthrough of my current terminal configuration'
+date: '1970-01-01'
+updated: '2000-01-01'
+author: 
+  - 'Wheatley'
+---
+The

src/pages/blog/[...slug].astro

@@ -11,6 +11,7 @@ import AuthorInfo from "../../components/helper/authors/Info.astro";
 import TableOfContents from "../../components/TableOfContents.astro";
 import "katex/dist/katex.css"
 import { getLangFromUrl, useTranslations, useTranslatedPath } from '../../i18n/utils';
+import OutDatedCallOut from "../../components/OutDatedCallOut.astro";
 
 const lang = getLangFromUrl(Astro.url);
 const t = useTranslations(lang);
@@ -34,10 +35,10 @@ const author = Array.isArray(entry.data.author) ? entry.data.author : (entry.dat
 
 // Get Wordcount and Last Updated Date
 const wordcount = remarkPluginFrontmatter.wordcount;
-const lastUpdated = remarkPluginFrontmatter.lastModified;
+const lastUpdated = entry.data.updated ? entry.data.updated : remarkPluginFrontmatter.lastModified;
 
 const pubDate = new Date(entry.data.date).toISOString().split('T')[0]
-const lastUpdatedDate = entry.data.updated ? new Date(entry.data.updated).toISOString().split('T')[0] : new Date(lastUpdated).toISOString().split('T')[0];
+const lastUpdatedDate = new Date(lastUpdated).toISOString().split('T')[0]
 
 // Get author data
 const authorData = await Promise.all((author).map((singleAuthor) => getEntry(singleAuthor).then(authorEntry => authorEntry?.data)))
@@ -73,6 +74,7 @@ const cover = customFeaturedImage || matchedImage_src?.src || firstImageURL || `
         { (cover && cover !== firstImageURL && cover !== `/blog/${slug}/featured.png`) && <Image class="cover" width=720 height=480 src={cover} alt={`cover of ${entry.data.title}`}  /> }
         {headings.length !== 0 && <TableOfContents headings={headings} />}
         {entry.data.summary && <p class="summary">{entry.data.summary}</p> }
+        <OutDatedCallOut server:defer lastUpdatedAt={lastUpdated} />
         <div class="content">
             <Content />
         </div>

src/styles/global.css

@@ -14,6 +14,7 @@
     --terminal-red: #bf616a;
     --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
 }
+
 /* Light theme */
 @media (prefers-color-scheme: light) {
     :root:not([data-theme="dark"]) {
@@ -29,6 +30,7 @@
         --terminal-red: #bf616a;
     }
 }
+
 /* Light theme override (for switch) */
 :root[data-theme="light"] {
     --bg-color: #eceff4;
@@ -116,9 +118,11 @@ body {
     content: "./";
     opacity: 0.7;
 }
+
 .nav a.home::before {
     content: "";
 }
+
 .cursor {
     display: inline-block;
     width: 0.6em;
@@ -129,8 +133,12 @@ body {
 }
 
 @keyframes blink {
-  from, to { opacity: 1; }
+    from, to {
-  50% { opacity: 0; }
+        opacity: 1;
+    }
+    50% {
+        opacity: 0;
+    }
 }
 
 .footer {
@@ -171,6 +179,7 @@ body {
     background: var(--accent-color);
     color: var(--bg-color);
 }
+
 /* Theme Switcher */
 .theme-switcher {
     background: var(--border-color);
@@ -194,8 +203,10 @@ h1.title {
     font-weight: bold;
     margin-bottom: 0.5rem;
 }
+
 div.content {
     margin: 1rem auto;
+
     span.date {
         color: var(--secondary-text-color);
         font-size: 0.9rem;
@@ -203,6 +214,7 @@ div.content {
         margin-bottom: 1.5rem;
         display: block;
     }
+
     span.list-date {
         color: var(--secondary-text-color);
         font-size: 0.9rem;
@@ -210,14 +222,21 @@ div.content {
         margin-bottom: 1.5rem;
     }
 
+    span.draft-badge {
+        color: var(--secondary-text-color);
+        font-weight: 300;
+    }
+
     ul, ol, li {
         list-style-position: inside;
     }
+
     ul {
         padding-left: 20px;
         margin-top: 0.5em;
         margin-bottom: 1em;
     }
+
     ul li {
         padding-left: 0.5em;
         margin-bottom: 0.5em;
@@ -228,7 +247,9 @@ div.content {
         padding: 1rem;
         margin: 1rem auto;
     }
+
     /* Highlighted Code Blocks */
+
     pre.astro-code,
     pre.astro-code span {
         background-color: #3b4252 !important;
@@ -264,6 +285,7 @@ div.content {
     }
 
     /* Responsive Images */
+
     img {
         max-width: 100%;
         height: 100%;
@@ -271,7 +293,6 @@ div.content {
 }
 
 
-
 /* Terminal Commands */
 .command {
     color: var(--terminal-green);
@@ -290,6 +311,7 @@ div.content {
     transition-duration: .7s;
     transition-timing-function: cubic-bezier(.4, 0, 1, 1);
 }
+
 .fade-out {
     opacity: 0;
     transition-property: opacity;