Fix #32

src/lib/components/AvatarComponent.svelte

@@ -39,7 +39,7 @@
 
 <picture>
   {@html sourceSetHtml}
-  <img src={account.avatar} alt={avatarDescription} loading="lazy" />
+  <img src={account.avatar} alt={avatarDescription} loading="lazy" width="50" height="50" />
 </picture>
 
 <style>

src/lib/components/PostComponent.svelte

@@ -15,11 +15,39 @@
     dateCreated = relativeTime($timePassed) ?? absoluteDate;
   }
 
+  const songs = filterDuplicates(post.songs ?? []);
+
+  function filterDuplicates(songs: SongInfo[]): SongInfo[] {
+    return songs.filter((obj, index, arr) => {
+      return arr.map((mapObj) => mapObj.pageUrl).indexOf(obj.pageUrl) === index;
+    });
+  }
+
+  function getThumbnailSize(song: SongInfo): {
+    width?: number;
+    height?: number;
+    widthSmall?: number;
+    heightSmall?: number;
+  } {
+    if (song.thumbnailWidth === undefined || song.thumbnailHeight === undefined) {
+      return { width: undefined, height: undefined, widthSmall: undefined, heightSmall: undefined };
+    }
+    const factor = 200 / song.thumbnailWidth;
+    const smallFactor = 60 / song.thumbnailHeight;
+    const height = song.thumbnailHeight * factor;
+    return {
+      width: 200,
+      height: height,
+      widthSmall: smallFactor * song.thumbnailWidth,
+      heightSmall: 60
+    };
+  }
+
   // Blurred thumbs aren't generated (yet, unclear of they ever will)
   // So blurred forces using the small one, by skipping the others and removing its media query.
   // This is technically unnecessary - the blurred one will only show if it matches the small media query,
   // but this makes it more explicit
-  function getSourceSetHtml(song: SongInfo, isBlurred: boolean = false): string {
+  function getSourceSetHtml(song: SongInfo, isBlurred = false): string {
     const small = new Map<string, string[]>();
     const large = new Map<string, string[]>();
 
@@ -58,15 +86,16 @@
       }
     }
     let html = '';
+    const { width, height, widthSmall, heightSmall } = getThumbnailSize(song);
     const mediaAttribute = isBlurred ? '' : 'media="(max-width: 650px)"';
     for (const entry of small.entries()) {
       const srcset = entry[1].join(', ');
-      html += `<source srcset="${srcset}" type="${entry[0]}" ${mediaAttribute} />`;
+      html += `<source srcset="${srcset}" type="${entry[0]}" ${mediaAttribute} width="${widthSmall}" height="${heightSmall}" />`;
     }
     html += '\n';
     for (const entry of large.entries()) {
       const srcset = entry[1].join(', ');
-      html += `<source srcset="${srcset}" type="${entry[0]}" />`;
+      html += `<source srcset="${srcset}" type="${entry[0]}" width="${width}" height="${height}"/>`;
     }
     return html;
   }
@@ -88,7 +117,7 @@
   <div class="content">{@html post.content}</div>
   <div class="song">
     {#if post.songs}
-      {#each post.songs as song (song.pageUrl)}
+      {#each songs as song (song.pageUrl)}
         <div class="info-wrapper">
           <picture>
             {@html getSourceSetHtml(song)}
@@ -103,6 +132,8 @@
                   class="cover"
                   alt="Cover for {song.artistName} - {song.title}"
                   loading="lazy"
+                  width={song.thumbnailWidth}
+                  height={song.thumbnailHeight}
                 />
               </picture>
               <span class="text">{song.artistName} - {song.title}</span>