Nomad changes

docs/snippets/wasm/utils/mime-detection.ts

@@ -0,0 +1,30 @@
+import { extractBytes, initWasm } from "@kreuzberg/wasm";
+
+async function detectAndExtract(bytes: Uint8Array) {
+  await initWasm();
+
+  const magic = bytes.slice(0, 8);
+  const magicStr = Array.from(magic)
+    .map((b) => b.toString(16).padStart(2, "0"))
+    .join("");
+
+  console.log("Magic bytes:", magicStr);
+
+  let mimeType = "application/octet-stream";
+
+  if (magicStr.startsWith("25504446")) mimeType = "application/pdf";
+  else if (magicStr.startsWith("504b0304")) mimeType = "application/zip";
+  else if (magicStr.startsWith("ffd8ff")) mimeType = "image/jpeg";
+  else if (magicStr.startsWith("89504e47")) mimeType = "image/png";
+  else if (magicStr.startsWith("474946")) mimeType = "image/gif";
+
+  console.log("Detected MIME type:", mimeType);
+
+  const result = await extractBytes(bytes, mimeType);
+  return result;
+}
+
+const testBytes = new Uint8Array([0x25, 0x50, 0x44, 0x46]);
+detectAndExtract(testBytes)
+  .then((r) => console.log(r))
+  .catch(console.error);