fix(mock-udp): New Node.js API

Author: ffflorian

packages/mock-udp/src/index.ts

@@ -11,7 +11,7 @@ const originalSocketSend = Socket.prototype.send;
 class Scope {
   public _done: boolean;
   public address?: string;
-  public buffer?: string | readonly any[] | ArrayBufferLike;
+  public buffer?: ArrayBuffer | SharedArrayBuffer | NodeJS.TypedArray | string | readonly any[];
   public length?: number;
   public offset?: number;
   public port?: number;
@@ -74,17 +74,18 @@ function overriddenSocketSend(
   const length = hasLengthAndOffset ? (lengthOrAddressOrCallback as number) || 0 : 0;
   const offset = hasLengthAndOffset ? (offsetOrPortOrCallback as number) : 0;
   const port = hasLengthAndOffset ? (portOrCallback as number) : (offsetOrPortOrCallback as number);
-  const message = ArrayBuffer.isView(msg) ? msg.buffer : msg;
+  const msgLength = msg instanceof DataView ? msg.byteLength : msg.length;
 
-  if (offset >= message.slice.length) {
+  if (offset >= msgLength) {
     throw new Error('Offset into buffer too large.');
   }
 
-  if (offset + length > message.slice.length) {
+  if (offset + length > msgLength) {
     throw new Error('Offset + length beyond buffer length.');
   }
 
-  const newBuffer = message.slice(offset, offset + length);
+  const newBuffer =
+    msg instanceof DataView ? msg.buffer.slice(offset, offset + length) : msg.slice(offset, offset + length);
   const host = `${address}:${port}`;
 
   if (intercepts.hasOwnProperty(host)) {