convert to typescript

src/decoders/packet.ts

@@ -0,0 +1,15 @@
+import infoPacketChunk, { InfoPacketChunk } from './info/info-packet-chunk';
+
+import dataPacketChunk, { DataPacketChunk } from './data/data-packet-chunk';
+
+export default (buffer: Buffer): InfoPacketChunk | DataPacketChunk | undefined => {
+  const chunkId = buffer.readUInt16LE();
+  switch (chunkId) {
+    case 0x6756:
+      return infoPacketChunk(buffer);
+    case 0x6755:
+      return dataPacketChunk(buffer);
+    default:
+      return undefined;
+  }
+};