Nomad changes

docs/snippets/wasm/metadata/metadata.md

@@ -0,0 +1,85 @@
+```typescript title="WASM"
+import { extractFromFile, initWasm } from "@kreuzberg/wasm";
+
+await initWasm();
+
+const fileInput = document.getElementById("file") as HTMLInputElement;
+const file = fileInput.files?.[0];
+
+if (file) {
+  const result = await extractFromFile(file);
+  console.log(`Metadata: ${JSON.stringify(result.metadata)}`);
+
+  // Access common metadata fields
+  if (result.metadata.title) {
+    console.log(`Title: ${result.metadata.title}`);
+  }
+
+  // Access format-specific metadata
+  const metadata = result.metadata;
+
+  // For HTML files
+  if (metadata.html) {
+    const htmlMeta = metadata.html;
+    console.log(`HTML Title: ${htmlMeta.title}`);
+    console.log(`Description: ${htmlMeta.description}`);
+
+    // Access keywords as array
+    if (htmlMeta.keywords && htmlMeta.keywords.length > 0) {
+      console.log(`Keywords: ${htmlMeta.keywords.join(", ")}`);
+    }
+
+    // Access canonical URL
+    if (htmlMeta.canonical_url) {
+      console.log(`Canonical URL: ${htmlMeta.canonical_url}`);
+    }
+
+    // Access Open Graph fields
+    if (htmlMeta.open_graph) {
+      if (htmlMeta.open_graph["title"]) {
+        console.log(`OG Title: ${htmlMeta.open_graph["title"]}`);
+      }
+      if (htmlMeta.open_graph["image"]) {
+        console.log(`OG Image: ${htmlMeta.open_graph["image"]}`);
+      }
+    }
+
+    // Access Twitter Card fields
+    if (htmlMeta.twitter_card && htmlMeta.twitter_card["card"]) {
+      console.log(`Twitter Card Type: ${htmlMeta.twitter_card["card"]}`);
+    }
+
+    // Access headers
+    if (htmlMeta.headers && htmlMeta.headers.length > 0) {
+      console.log(`Headers: ${htmlMeta.headers.map((h: any) => h.text).join(", ")}`);
+    }
+
+    // Access links
+    if (htmlMeta.links && htmlMeta.links.length > 0) {
+      htmlMeta.links.forEach((link: any) => {
+        console.log(`Link: ${link.href} (${link.text})`);
+      });
+    }
+
+    // Access images
+    if (htmlMeta.images && htmlMeta.images.length > 0) {
+      htmlMeta.images.forEach((image: any) => {
+        console.log(`Image: ${image.src}`);
+      });
+    }
+
+    // Access structured data
+    if (htmlMeta.structured_data && htmlMeta.structured_data.length > 0) {
+      console.log(`Structured data items: ${htmlMeta.structured_data.length}`);
+    }
+  }
+
+  // PDF-specific fields are at the top level of metadata
+  if (metadata.pageCount) {
+    console.log(`Pages: ${metadata.pageCount}`);
+  }
+  if (metadata.authors && metadata.authors.length > 0) {
+    console.log(`Authors: ${metadata.authors.join(", ")}`);
+  }
+}
+```