feat: optimize image hash

src/components/Thumbhash.astro

@@ -11,6 +11,8 @@
     }, 600);
   }
 
+  console.log("Thumbhash script loaded");
+
   document.querySelectorAll("[data-thumbhash]").forEach((entry) => {
     const parent = entry?.parentNode as HTMLPictureElement;
     const img = entry as HTMLImageElement;
@@ -35,6 +37,10 @@
     parent.style.background = `url(${dataURL})`;
     parent.style.backgroundSize = "cover";
 
+    if (img.complete) {
+      return;
+    }
+
     img.style.opacity = "0";
     img.style.filter = "blur(5px)";
     img.style.transition = "opacity 0.6s ease, filter 0.8s ease";