fix: some stuff

src/components/card/Metadata.svelte

@@ -9,6 +9,7 @@
   const iso = (d: string | Date) => {
     if(!d) return ""
     const v = toDate(d);
+    if(!v) return ""
     return isNaN(v.getTime()) ? "" : v.toISOString();
   };
 

src/content/photos/picos-de-europa/index.mdx

@@ -12,6 +12,7 @@ Unsortierte Bilder aus unserer Wanderung durch die Picos de Europa.
 
 import Image from "@components/Image.astro";
 import ImageGallery from "@components/ImageGallery.svelte"
+import ImageSlider from "@components/ImageSlider.svelte"
 
 <ImageGallery client:load/>
 
@@ -24,9 +25,11 @@ import image1 from "images/20250527_125228.jpg"
 import image16 from "images/PXL_20250527_101057540.MP.jpg"
 import image17 from "images/PXL_20250527_100728883.jpg"
 
-<Image alt="" src={image1} alt="Bild einer Kuh auf einer Wiese vor dem Meer"/>
-<Image alt="" src={image17} alt="Person auf flysch gestein vor einer Höhle am Meer"/>
-<Image alt="" src={image16} alt="Bild von Person in einer Höhle aus der man das Meer sieht"/>
+<ImageSlider title="Wanderung" client:load>
+  <Image src={image1} alt="Bild einer Kuh auf einer Wiese vor dem Meer"/>
+  <Image src={image17} alt="Person auf flysch gestein vor einer Höhle am Meer"/>
+  <Image src={image16} alt="Bild von Person in einer Höhle aus der man das Meer sieht"/>
+</ImageSlider>
 
 ## 28. May
 
@@ -35,8 +38,10 @@ Erster Wandertag
 import image15 from "images/PXL_20250528_121633744.MP.jpg"
 import image19 from "images/20250528_164715.jpg"
 
-<Image alt="" src={image15} alt="15"/>
-<Image alt="" src={image19} alt="19"/>
+<ImageSlider title="Wanderung" client:load>
+  <Image src={image15} alt="Wir nach den ersten 300 Metern"/>
+  <Image src={image19} alt="Viele Bergziegen die gerne das Salz von der Haut lecken"/>
+</ImageSlider>
 
 ## 29. May
 
@@ -47,8 +52,7 @@ import image12 from "images/PXL_20250530_082919731.jpg"
 import image13 from "images/PXL_20250529_201559403.jpg"
 
 <video src={videoUrl1} controls alt=""/>
-<Image alt="" src={image12} alt="12"/>
-<Image alt="" src={image13} alt="13"/>
+<Image alt="" src={image12} alt="Endlich am Refugio angekommen"/>
 
 ## 30-31. May
 

src/helpers/image.ts

@@ -1,6 +1,7 @@
 import { rgbaToThumbHash } from "thumbhash";
 import ExifReader from "exifreader";
 import type { ImageMetadata } from "astro";
+import { readFile } from "node:fs/promises";
 import sharp from "sharp";
 
 export async function generateThumbHash(
@@ -72,23 +73,26 @@ const allowedExif = [
 ];
 
 export async function getExifData(image: ImageMetadata) {
-  if (image.format === "svg") return undefined; // SVGs don't have EXIF data")
+  if (image.format === "svg") return undefined; // SVGs don't have EXIF data
   const imagePath = (image as ImageMetadata & { fsPath: string }).fsPath ??
     image.src;
 
   if (!imagePath) return undefined;
 
   try {
-    let buffer: ArrayBuffer;
+    let buffer: ArrayBufferLike;
     if (imagePath.startsWith("https://") || imagePath.startsWith("http://")) {
       const res = await fetch(imagePath);
       buffer = await res.arrayBuffer();
     } else {
-      buffer = await sharp(imagePath).toBuffer() as unknown as ArrayBuffer;
+      const b = await readFile(imagePath);
+      buffer = b.buffer;
     }
 
     const tags = await ExifReader.load(buffer, { async: true });
 
+    if (!buffer) return undefined;
+
     const out: Record<string, any> = {};
     let hasExif = false;