First Commit. Duplicate bunext-sqlite preset

src/functions/backend/db/users/media/media-data-to-array-buffer.ts

@@ -0,0 +1,27 @@
+import type { MediaDataType } from "@/src/types";
+
+export default async function MediaDataToArrayBuffer(
+    body: MediaDataType,
+): Promise<ArrayBuffer> {
+    if (body == null) {
+        return new ArrayBuffer(0);
+    }
+    if (body instanceof ArrayBuffer) {
+        return body;
+    }
+    if (body instanceof SharedArrayBuffer) {
+        const copy = new ArrayBuffer(body.byteLength);
+        new Uint8Array(copy).set(new Uint8Array(body));
+        return copy;
+    }
+    if (typeof body === "string") {
+        return new TextEncoder().encode(body).buffer as ArrayBuffer;
+    }
+    if (body instanceof ReadableStream) {
+        return Bun.readableStreamToArrayBuffer(body);
+    }
+    // Blob, BunFile, Request, Response — wrap in Response and use Bun's reader
+    return new Response(body as BodyInit)
+        .bytes()
+        .then((b) => b.buffer as ArrayBuffer);
+}