chore: make year sticky in posts list

2 files changed, 25 insertions, 4 deletions

diff --git a/src/components/PostsList/PostsList.module.scss b/src/components/PostsList/PostsList.module.scss
index 0b9aa2d..471b172 100644
--- a/src/components/PostsList/PostsList.module.scss
+++ b/src/components/PostsList/PostsList.module.scss
@@ -1,11 +1,32 @@
+@use "@styles/abstracts/mixins" as mix;
 @use "@styles/abstracts/placeholders";
 
 .list {
   @extend %reset-ordered-list;
 
-  margin: var(--spacing-md) auto;
+  margin: 0 auto var(--spacing-md);
 }
 
 li.item {
   margin: var(--spacing-md) 0;
+
+  &:first-of-type {
+    margin-top: var(--spacing-sm);
+  }
+}
+
+.section {
+  @include mix.media("screen") {
+    @include mix.dimensions("sm") {
+      display: grid;
+      grid-template-columns: max-content minmax(0, 1fr);
+      align-items: first baseline;
+      gap: var(--spacing-md);
+    }
+  }
+}
+
+.year {
+  position: sticky;
+  top: 0;
 }
diff --git a/src/components/PostsList/PostsList.tsx b/src/components/PostsList/PostsList.tsx
index da72032..51698e6 100644
--- a/src/components/PostsList/PostsList.tsx
+++ b/src/components/PostsList/PostsList.tsx
@@ -20,8 +20,8 @@ const PostsList = ({
 
     return years.map((year) => {
       return (
-        <Fragment key={year}>
-          {showYears && <h2>{year}</h2>}
+        <section key={year} className={styles.section}>
+          {showYears && <h2 className={styles.year}>{year}</h2>}
           <ol className={styles.list}>
             {posts[year].map((post) => {
               return (
@@ -31,7 +31,7 @@ const PostsList = ({
               );
             })}
           </ol>
-        </Fragment>
+        </section>
       );
     });
   };