bump version to 1.1.0

add support for bundling both esm and cjs versions

.vscode/settings.json

@@ -2,7 +2,7 @@
   "editor.defaultFormatter": "esbenp.prettier-vscode",
   "editor.formatOnSave": true,
   "editor.codeActionsOnSave": {
-    "source.fixAll": true,
+    "source.fixAll": "explicit",
-    "source.organizeImports": true
+    "source.organizeImports": "explicit"
   }
 }

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Joel Wetzell
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -13,8 +13,16 @@ typesecript implementation of the [PosiStageNet protocol](https://github.com/vyv
 const { Decoder } = require('@jwetzell/posistagenet')
 const decoder = new Decoder()
 
-const infoPacketBuffer = Buffer.from('5667348000000c0001000000000000000203010101000b00536572766572204e616d650200118001000d8000000900547261636b65722031','hex')
+const infoPacketBuffer = new Uint8Array([
-const dataPacketBuffer = Buffer.from('5567288000000c00010000000000000002030101010014800100108000000c000000803f0000803f0000803f','hex')
+  0x56, 0x67, 0x34, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01,
+  0x01, 0x01, 0x00, 0x0b, 0x00, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x4e, 0x61, 0x6d, 0x65, 0x02, 0x00, 0x11,
+  0x80, 0x01, 0x00, 0x0d, 0x80, 0x00, 0x00, 0x09, 0x00, 0x54, 0x72, 0x61, 0x63, 0x6b, 0x65, 0x72, 0x20, 0x31,
+]);
+const dataPacketBuffer = new Uint8Array([
+  0x55, 0x67, 0x28, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01,
+  0x01, 0x01, 0x00, 0x14, 0x80, 0x01, 0x00, 0x10, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x80, 0x3f, 0x00, 0x00,
+  0x80, 0x3f, 0x00, 0x00, 0x80, 0x3f,
+]);
 
 decoder.decode(infoPacketBuffer)
 decoder.decode(dataPacketBuffer)
@@ -49,12 +57,12 @@ const infoPackets = encoder.getInfoPackets(timestamp, trackers)
 
 dataPackets.forEach((dataPacket)=>{
     console.log('send packet somehow')
-    console.log(dataPacket.toString('hex'))
+    console.log(dataPacket)
 })
 
 infoPackets.forEach((infoPacket)=>{
     console.log('send packet somehow')
-    console.log(infoPacket.toString('hex'))
+    console.log(infoPacket)
 })
 
 ```

examples/decode.js

@@ -0,0 +1,23 @@
+const { Decoder } = require('../dist/cjs');
+const decoder = new Decoder();
+
+const infoPacketBuffer = new Uint8Array([
+  0x56, 0x67, 0x34, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01,
+  0x01, 0x01, 0x00, 0x0b, 0x00, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x20, 0x4e, 0x61, 0x6d, 0x65, 0x02, 0x00, 0x11,
+  0x80, 0x01, 0x00, 0x0d, 0x80, 0x00, 0x00, 0x09, 0x00, 0x54, 0x72, 0x61, 0x63, 0x6b, 0x65, 0x72, 0x20, 0x31,
+]);
+const dataPacketBuffer = new Uint8Array([
+  0x55, 0x67, 0x28, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x03, 0x01,
+  0x01, 0x01, 0x00, 0x14, 0x80, 0x01, 0x00, 0x10, 0x80, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x80, 0x3f, 0x00, 0x00,
+  0x80, 0x3f, 0x00, 0x00, 0x80, 0x3f,
+]);
+
+decoder.decode(infoPacketBuffer);
+decoder.decode(dataPacketBuffer);
+
+// the system_name from info packets if available
+console.log(decoder.system_name);
+
+// map of trackers populated with any data that has been received
+// this merges both info and data packet properties into one
+console.log(decoder.trackers);

examples/encode.js

@@ -0,0 +1,25 @@
+const { Encoder, Tracker } = require('../dist/cjs');
+const encoder = new Encoder('Server Name', 2, 3); //server name, version high, version low
+
+const trackers = [];
+
+const tracker = new Tracker(1, 'Tracker 1'); // id, name
+tracker.setPos(1.0, 1.0, 1.0); // x, y, z
+
+trackers.push(tracker);
+
+const timestamp = 1;
+
+// these two calls return an array of Buffers due to potential splitting that might take place because of max UDP packet size
+const dataPackets = encoder.getDataPackets(timestamp, trackers);
+const infoPackets = encoder.getInfoPackets(timestamp, trackers);
+
+dataPackets.forEach((dataPacket) => {
+  console.log('send packet somehow');
+  console.log(dataPacket);
+});
+
+infoPackets.forEach((infoPacket) => {
+  console.log('send packet somehow');
+  console.log(infoPacket);
+});

examples/psn_client.js

@@ -1,6 +1,6 @@
 // recreation of psn_client.cpp example from https://github.com/vyv/psn-cpp
 const dgram = require('dgram');
-const { Decoder } = require('../dist');
+const { Decoder } = require('../dist/cjs');
 
 const client = dgram.createSocket('udp4');
 const decoder = new Decoder();

examples/psn_server.js

@@ -1,6 +1,6 @@
 // recreation of psn_server.cpp example from https://github.com/vyv/psn-cpp
 const dgram = require('dgram');
-const { Encoder, Tracker, Decoder } = require('../dist');
+const { Encoder, Tracker, Decoder } = require('../dist/cjs');
 
 const client = dgram.createSocket('udp4');
 const encoder = new Encoder('Test PSN Server', 2, 0);

package-lock.json

@@ -1,18 +1,18 @@
 {
   "name": "@jwetzell/posistagenet",
-  "version": "0.4.7",
+  "version": "1.1.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@jwetzell/posistagenet",
-      "version": "0.4.7",
+      "version": "1.1.0",
-      "license": "ISC",
+      "license": "MIT",
       "devDependencies": {
-        "@types/node": "22.7.4",
+        "@types/node": "22.7.7",
         "prettier": "3.3.3",
         "rimraf": "6.0.1",
-        "typescript": "5.6.2"
+        "typescript": "5.6.3"
       }
     },
     "node_modules/@isaacs/cliui": {
@@ -43,9 +43,9 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "22.7.4",
+      "version": "22.7.7",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.7.4.tgz",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.7.7.tgz",
-      "integrity": "sha512-y+NPi1rFzDs1NdQHHToqeiX2TIS79SWEAw9GYhkkx8bD0ChpfqC+n2j5OXOCpzfojBEBt6DnEnnG9MY0zk1XLg==",
+      "integrity": "sha512-SRxCrrg9CL/y54aiMCG3edPKdprgMVGDXjA3gB8UmmBW5TcXzRUYAh8EWzTnSJFAd1rgImPELza+A3bJ+qxz8Q==",
       "dev": true,
       "dependencies": {
         "undici-types": "~6.19.2"
@@ -434,9 +434,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.6.2",
+      "version": "5.6.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.6.2.tgz",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.6.3.tgz",
-      "integrity": "sha512-NW8ByodCSNCwZeghjN3o+JX5OFH0Ojg6sadjEKY4huZ52TqbJTJnDo5+Tw98lSy63NZvi4n+ez5m2u5d4PkZyw==",
+      "integrity": "sha512-hjcS1mhfuyi4WW8IWtjP7brDrG2cuDZukyrYrSauoXGNgx0S7zceP07adYkJycEr56BOUTNPzbInooiN3fn1qw==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",

package.json

@@ -1,12 +1,23 @@
 {
   "name": "@jwetzell/posistagenet",
-  "version": "0.4.7",
+  "version": "1.1.0",
   "description": "",
-  "main": "dist/index.js",
+  "main": "./dist/cjs/index.js",
-  "types": "dist/index.d.ts",
+  "module": "./dist/esm/index.js",
+  "types": "./dist/types/index.d.ts",
+  "exports": {
+    ".": {
+      "import": "./dist/esm/index.js",
+      "require": "./dist/cjs/index.js",
+      "types": "./dist/types/index.d.ts"
+    }
+  },
   "scripts": {
     "prebuild": "rimraf dist",
-    "build": "tsc",
+    "build": "npm run build:cjs && npm run build:esm && npm run build:types",
+    "build:cjs": "tsc -p tsconfig.cjs.json",
+    "build:esm": "tsc -p tsconfig.esm.json",
+    "build:types": "tsc -p tsconfig.types.json",
     "example:client": "node examples/psn_client.js",
     "example:server": "node examples/psn_server.js",
     "prepublishOnly": "npm run build"
@@ -20,11 +31,11 @@
     "url": "https://jwetzell.com"
   },
   "repository": "https://github.com/jwetzell/psn-js",
-  "license": "ISC",
+  "license": "MIT",
   "devDependencies": {
-    "@types/node": "22.7.4",
+    "@types/node": "22.7.7",
     "prettier": "3.3.3",
     "rimraf": "6.0.1",
-    "typescript": "5.6.2"
+    "typescript": "5.6.3"
   }
 }

src/decoder.ts

@@ -47,7 +47,7 @@ export class Decoder {
   }
 
   // TODO(jwetzell): add invalid frame id decoding. Scenario where a frame id is reused before one is complete
-  decode(packetBuf: Buffer): DataPacketChunk | InfoPacketChunk | undefined {
+  decode(packetBuf: Uint8Array): DataPacketChunk | InfoPacketChunk | undefined {
     const packet = Decoders.Packet(packetBuf);
     if (packet === undefined) {
       return packet;

src/decoders/chunk.ts

@@ -1,17 +1,18 @@
 import { Chunk } from '../models/chunk';
 
-export default (buffer: Buffer, dataDecoder: Function): Chunk => {
+export default (buffer: Uint8Array, dataDecoder: Function): Chunk => {
   let offset = 0;
+  const view = new DataView(buffer.buffer, buffer.byteOffset, buffer.byteLength);
   const chunk: Chunk = {};
-  chunk.id = buffer.readUInt16LE(offset);
+  chunk.id = view.getUint16(offset, true);
   offset += 2;
 
   // NOTE(jwetzell): this data is split up as 1 bit for has_subchunks and 15 bits for the data_len
-  const combinedLengthAndFlag = buffer.readUInt16LE(offset);
+  const combinedLengthAndFlag = view.getUint16(offset, true);
   chunk.has_subchunks = combinedLengthAndFlag > 32768;
   chunk.data_len = chunk.has_subchunks ? combinedLengthAndFlag - 32768 : combinedLengthAndFlag;
   offset += 2;
-  chunk.chunk_data = buffer.subarray(offset, offset + chunk.data_len);
+  chunk.chunk_data = buffer.slice(offset, offset + chunk.data_len);
 
   dataDecoder(chunk);
   return chunk;

src/decoders/data/data-packet-chunk.ts

@@ -6,17 +6,22 @@ function decodeDataPacketChunk(dataPacketChunk: DataPacketChunk) {
   if (dataPacketChunk.has_subchunks && dataPacketChunk.chunk_data && dataPacketChunk.data_len) {
     let offset = 0;
     while (offset < dataPacketChunk.data_len) {
-      const chunkId = dataPacketChunk.chunk_data.readUInt16LE(offset);
+      const view = new DataView(
+        dataPacketChunk.chunk_data.buffer,
+        dataPacketChunk.chunk_data.byteOffset,
+        dataPacketChunk.chunk_data.byteLength
+      );
+      const chunkId = view.getUint16(offset, true);
       switch (chunkId) {
         case 0x0000:
-          dataPacketChunk.packet_header = Decoders.PacketHeaderChunk(dataPacketChunk.chunk_data.subarray(offset));
+          dataPacketChunk.packet_header = Decoders.PacketHeaderChunk(dataPacketChunk.chunk_data.slice(offset));
           offset += Constants.CHUNK_HEADER_SIZE;
           if (dataPacketChunk.packet_header?.data_len) {
             offset += dataPacketChunk.packet_header.data_len;
           }
           break;
         case 0x0001:
-          dataPacketChunk.tracker_list = Decoders.DataTrackerListChunk(dataPacketChunk.chunk_data.subarray(offset));
+          dataPacketChunk.tracker_list = Decoders.DataTrackerListChunk(dataPacketChunk.chunk_data.slice(offset));
           offset += Constants.CHUNK_HEADER_SIZE;
           if (dataPacketChunk.tracker_list.data_len) {
             offset += dataPacketChunk.tracker_list.data_len;
@@ -29,4 +34,5 @@ function decodeDataPacketChunk(dataPacketChunk: DataPacketChunk) {
   }
 }
 
-export default (buffer: Buffer): DataPacketChunk => Decoders.Chunk(buffer, decodeDataPacketChunk) as DataPacketChunk;
+export default (buffer: Uint8Array): DataPacketChunk =>
+  Decoders.Chunk(buffer, decodeDataPacketChunk) as DataPacketChunk;

src/decoders/data/data-tracker-chunk.ts

@@ -6,7 +6,7 @@ function decodeTrackerChunk(trackerChunk: DataTrackerChunk) {
   if (trackerChunk.chunk_data && trackerChunk.data_len) {
     let offset = 0;
     while (offset < trackerChunk.data_len) {
-      const trackerFieldChunk = Decoders.DataTrackerFieldChunk(trackerChunk.chunk_data.subarray(offset));
+      const trackerFieldChunk = Decoders.DataTrackerFieldChunk(trackerChunk.chunk_data.slice(offset));
       offset += Constants.CHUNK_HEADER_SIZE;
       if (trackerFieldChunk.data_len) {
         offset += trackerFieldChunk.data_len;
@@ -40,4 +40,4 @@ function decodeTrackerChunk(trackerChunk: DataTrackerChunk) {
   }
 }
 
-export default (buffer: Buffer): DataTrackerChunk => Decoders.Chunk(buffer, decodeTrackerChunk) as DataTrackerChunk;
+export default (buffer: Uint8Array): DataTrackerChunk => Decoders.Chunk(buffer, decodeTrackerChunk) as DataTrackerChunk;

src/decoders/data/data-tracker-field-chunk.ts

@@ -5,9 +5,14 @@ import { DataTrackerFieldChunk } from '../../models/data/data-tracker-field-chun
 
 function readXYZ(trackerFieldChunk: DataTrackerFieldChunk, prefix: string = '') {
   if (trackerFieldChunk.chunk_data) {
-    trackerFieldChunk[`${prefix}x`] = trackerFieldChunk.chunk_data.readFloatLE(0);
+    const view = new DataView(
-    trackerFieldChunk[`${prefix}y`] = trackerFieldChunk.chunk_data.readFloatLE(4);
+      trackerFieldChunk.chunk_data.buffer,
-    trackerFieldChunk[`${prefix}z`] = trackerFieldChunk.chunk_data.readFloatLE(8);
+      trackerFieldChunk.chunk_data.byteOffset,
+      trackerFieldChunk.chunk_data.byteLength
+    );
+    trackerFieldChunk[`${prefix}x`] = view.getFloat32(0, true);
+    trackerFieldChunk[`${prefix}y`] = view.getFloat32(4, true);
+    trackerFieldChunk[`${prefix}z`] = view.getFloat32(8, true);
   }
 }
 function decodeTrackerFieldChunk(trackerFieldChunk: DataTrackerFieldChunk) {
@@ -24,7 +29,12 @@ function decodeTrackerFieldChunk(trackerFieldChunk: DataTrackerFieldChunk) {
         break;
       case 0x0003:
         if (trackerFieldChunk.chunk_data) {
-          trackerFieldChunk.validity = trackerFieldChunk.chunk_data.readFloatLE();
+          const view = new DataView(
+            trackerFieldChunk.chunk_data.buffer,
+            trackerFieldChunk.chunk_data.byteOffset,
+            trackerFieldChunk.chunk_data.byteLength
+          );
+          trackerFieldChunk.validity = view.getFloat32(0, true);
         }
         break;
       case 0x0004:
@@ -35,7 +45,12 @@ function decodeTrackerFieldChunk(trackerFieldChunk: DataTrackerFieldChunk) {
         break;
       case 0x0006:
         if (trackerFieldChunk.chunk_data) {
-          trackerFieldChunk.tracker_timestamp = trackerFieldChunk.chunk_data.readBigUInt64LE();
+          const view = new DataView(
+            trackerFieldChunk.chunk_data.buffer,
+            trackerFieldChunk.chunk_data.byteOffset,
+            trackerFieldChunk.chunk_data.byteLength
+          );
+          trackerFieldChunk.tracker_timestamp = view.getBigUint64(0, true);
         }
         break;
       default:
@@ -44,5 +59,5 @@ function decodeTrackerFieldChunk(trackerFieldChunk: DataTrackerFieldChunk) {
   }
 }
 
-export default (buffer: Buffer): DataTrackerFieldChunk =>
+export default (buffer: Uint8Array): DataTrackerFieldChunk =>
   Decoders.Chunk(buffer, decodeTrackerFieldChunk) as DataTrackerFieldChunk;

src/decoders/data/data-tracker-list-chunk.ts

@@ -9,7 +9,7 @@ function decodeDataTrackerListChunk(dataTrackerListChunk: DataTrackerListChunk)
   let offset = 0;
   if (dataTrackerListChunk.chunk_data) {
     while (offset < dataTrackerListChunk.chunk_data.length) {
-      const trackerChunk = Decoders.DataTrackerChunk(dataTrackerListChunk.chunk_data.subarray(offset));
+      const trackerChunk = Decoders.DataTrackerChunk(dataTrackerListChunk.chunk_data.slice(offset));
       offset += Constants.CHUNK_HEADER_SIZE;
       if (trackerChunk.data_len) {
         offset += trackerChunk.data_len;
@@ -20,5 +20,5 @@ function decodeDataTrackerListChunk(dataTrackerListChunk: DataTrackerListChunk)
     }
   }
 }
-export default (buffer: Buffer): DataTrackerListChunk =>
+export default (buffer: Uint8Array): DataTrackerListChunk =>
   Decoders.Chunk(buffer, decodeDataTrackerListChunk) as DataTrackerListChunk;

src/decoders/info/info-packet-chunk.ts

@@ -6,24 +6,29 @@ function decodeInfoPacketChunk(infoPacketChunk: InfoPacketChunk) {
   if (infoPacketChunk.has_subchunks && infoPacketChunk.chunk_data && infoPacketChunk.data_len) {
     let offset = 0;
     while (offset < infoPacketChunk.data_len) {
-      const chunkId = infoPacketChunk.chunk_data.readUInt16LE(offset);
+      const view = new DataView(
+        infoPacketChunk.chunk_data.buffer,
+        infoPacketChunk.chunk_data.byteOffset,
+        infoPacketChunk.chunk_data.byteLength
+      );
+      const chunkId = view.getUint16(offset, true);
       switch (chunkId) {
         case 0x0000:
-          infoPacketChunk.packet_header = Decoders.PacketHeaderChunk(infoPacketChunk.chunk_data.subarray(offset));
+          infoPacketChunk.packet_header = Decoders.PacketHeaderChunk(infoPacketChunk.chunk_data.slice(offset));
           offset += Constants.CHUNK_HEADER_SIZE;
           if (infoPacketChunk.packet_header?.data_len) {
             offset += infoPacketChunk.packet_header.data_len;
           }
           break;
         case 0x0001:
-          infoPacketChunk.system_name = Decoders.InfoSystemNameChunk(infoPacketChunk.chunk_data.subarray(offset));
+          infoPacketChunk.system_name = Decoders.InfoSystemNameChunk(infoPacketChunk.chunk_data.slice(offset));
           offset += Constants.CHUNK_HEADER_SIZE;
           if (infoPacketChunk.system_name?.data_len) {
             offset += infoPacketChunk.system_name.data_len;
           }
           break;
         case 0x0002:
-          infoPacketChunk.tracker_list = Decoders.InfoTrackerListChunk(infoPacketChunk.chunk_data.subarray(offset));
+          infoPacketChunk.tracker_list = Decoders.InfoTrackerListChunk(infoPacketChunk.chunk_data.slice(offset));
           offset += Constants.CHUNK_HEADER_SIZE;
           if (infoPacketChunk.tracker_list?.data_len) {
             offset += infoPacketChunk.tracker_list.data_len;
@@ -36,4 +41,5 @@ function decodeInfoPacketChunk(infoPacketChunk: InfoPacketChunk) {
   }
 }
 
-export default (buffer: Buffer): InfoPacketChunk => Decoders.Chunk(buffer, decodeInfoPacketChunk) as InfoPacketChunk;
+export default (buffer: Uint8Array): InfoPacketChunk =>
+  Decoders.Chunk(buffer, decodeInfoPacketChunk) as InfoPacketChunk;

src/decoders/info/info-system-name-chunk.ts

@@ -3,9 +3,11 @@ import { InfoSystemNameChunk } from '../../models/info/info-system-name-chunk';
 
 function decodeSystemNameChunk(systemNameChunk: InfoSystemNameChunk) {
   if (systemNameChunk.chunk_data !== undefined && systemNameChunk.data_len !== undefined) {
-    systemNameChunk.system_name = systemNameChunk.chunk_data.subarray(0, systemNameChunk.data_len).toString();
+    systemNameChunk.system_name = new TextDecoder().decode(
+      systemNameChunk.chunk_data.slice(0, systemNameChunk.data_len)
+    );
   }
 }
 
-export default (buffer: Buffer): InfoSystemNameChunk =>
+export default (buffer: Uint8Array): InfoSystemNameChunk =>
   Decoders.Chunk(buffer, decodeSystemNameChunk) as InfoSystemNameChunk;

src/decoders/info/info-tracker-chunk.ts

@@ -6,10 +6,15 @@ function decodeInfoTrackerChunk(infoTrackerChunk: InfoTrackerChunk) {
   if (infoTrackerChunk.has_subchunks && infoTrackerChunk.chunk_data && infoTrackerChunk.data_len) {
     let offset = 0;
     while (offset < infoTrackerChunk.data_len) {
-      const chunkId = infoTrackerChunk.chunk_data.readUInt16LE(offset);
+      const view = new DataView(
+        infoTrackerChunk.chunk_data.buffer,
+        infoTrackerChunk.chunk_data.byteOffset,
+        infoTrackerChunk.chunk_data.byteLength
+      );
+      const chunkId = view.getUint16(offset, true);
       switch (chunkId) {
         case 0x0000:
-          infoTrackerChunk.tracker_name = Decoders.InfoTrackerNameChunk(infoTrackerChunk.chunk_data.subarray(offset));
+          infoTrackerChunk.tracker_name = Decoders.InfoTrackerNameChunk(infoTrackerChunk.chunk_data.slice(offset));
           offset += Constants.CHUNK_HEADER_SIZE;
           if (infoTrackerChunk.tracker_name?.data_len) {
             offset += infoTrackerChunk?.tracker_name?.data_len;
@@ -23,4 +28,4 @@ function decodeInfoTrackerChunk(infoTrackerChunk: InfoTrackerChunk) {
   }
 }
 
-export default (buffer: Buffer): InfoTrackerChunk => Decoders.Chunk(buffer, decodeInfoTrackerChunk);
+export default (buffer: Uint8Array): InfoTrackerChunk => Decoders.Chunk(buffer, decodeInfoTrackerChunk);

src/decoders/info/info-tracker-list-chunk.ts

@@ -8,7 +8,7 @@ function decodeInfoTrackerListChunk(infoTrackerListChunk: InfoTrackerListChunk)
     let offset = 0;
     if (infoTrackerListChunk.data_len) {
       while (offset < infoTrackerListChunk.data_len) {
-        const trackerChunk = Decoders.InfoTrackerChunk(infoTrackerListChunk.chunk_data.subarray(offset));
+        const trackerChunk = Decoders.InfoTrackerChunk(infoTrackerListChunk.chunk_data.slice(offset));
         offset += Constants.CHUNK_HEADER_SIZE;
         if (trackerChunk.data_len) {
           offset += trackerChunk.data_len;
@@ -20,5 +20,5 @@ function decodeInfoTrackerListChunk(infoTrackerListChunk: InfoTrackerListChunk)
     }
   }
 }
-export default (buffer: Buffer): InfoTrackerListChunk =>
+export default (buffer: Uint8Array): InfoTrackerListChunk =>
   Decoders.Chunk(buffer, decodeInfoTrackerListChunk) as InfoTrackerListChunk;

src/decoders/info/info-tracker-name-chunk.ts

@@ -3,8 +3,10 @@ import { InfoTrackerNameChunk } from '../../models/info/info-tracker-name-chunk'
 
 function decodeTrackerNameChunk(trackerNameChunk: InfoTrackerNameChunk) {
   if (trackerNameChunk.chunk_data !== undefined && trackerNameChunk.data_len !== undefined) {
-    trackerNameChunk.tracker_name = trackerNameChunk.chunk_data.subarray(0, trackerNameChunk.data_len).toString();
+    trackerNameChunk.tracker_name = new TextDecoder().decode(
+      trackerNameChunk.chunk_data.slice(0, trackerNameChunk.data_len)
+    );
   }
 }
-export default (buffer: Buffer): InfoTrackerNameChunk =>
+export default (buffer: Uint8Array): InfoTrackerNameChunk =>
   Decoders.Chunk(buffer, decodeTrackerNameChunk) as InfoTrackerNameChunk;

src/decoders/packet-header-chunk.ts

@@ -3,12 +3,19 @@ import { PacketHeaderChunk } from '../models/packet-header-chunk';
 
 function decodePacketHeaderChunk(packetHeaderChunk: PacketHeaderChunk) {
   if (packetHeaderChunk.chunk_data) {
-    packetHeaderChunk.packet_timestamp = packetHeaderChunk.chunk_data.readBigUInt64LE(0);
+    const view = new DataView(
-    packetHeaderChunk.version_high = packetHeaderChunk.chunk_data.readUInt8(8);
+      packetHeaderChunk.chunk_data.buffer,
-    packetHeaderChunk.version_low = packetHeaderChunk.chunk_data.readUInt8(9);
+      packetHeaderChunk.chunk_data.byteOffset,
-    packetHeaderChunk.frame_id = packetHeaderChunk.chunk_data.readUInt8(10);
+      packetHeaderChunk.chunk_data.byteLength
-    packetHeaderChunk.frame_packet_count = packetHeaderChunk.chunk_data.readUInt8(11);
+    );
+    packetHeaderChunk.packet_timestamp = view.getBigUint64(0, true);
+    packetHeaderChunk.version_high = view.getUint8(8);
+    packetHeaderChunk.version_low = view.getUint8(9);
+    packetHeaderChunk.frame_id = view.getUint8(10);
+    packetHeaderChunk.frame_packet_count = view.getUint8(11);
   }
 }
 
-export default (buffer: Buffer): PacketHeaderChunk => Decoders.Chunk(buffer, decodePacketHeaderChunk);
+export default (buffer: Uint8Array): PacketHeaderChunk => {
+  return Decoders.Chunk(buffer, decodePacketHeaderChunk);
+};

src/decoders/packet.ts

@@ -2,8 +2,10 @@ import { Decoders } from '.';
 import { DataPacketChunk } from '../models/data/data-packet-chunk';
 import { InfoPacketChunk } from '../models/info/info-packet-chunk';
 
-export default (buffer: Buffer): InfoPacketChunk | DataPacketChunk | undefined => {
+export default (buffer: Uint8Array): InfoPacketChunk | DataPacketChunk | undefined => {
-  const chunkId = buffer.readUInt16LE();
+  const view = new DataView(buffer.buffer, buffer.byteOffset, buffer.byteLength);
+  const chunkId = view.getUint16(0, true);
+
   switch (chunkId) {
     case 0x6756:
       return Decoders.InfoPacketChunk(buffer);

src/encoder.ts

@@ -47,14 +47,14 @@ export class Encoder {
 
     const trackerChunks = trackers.map((tracker: Tracker) => tracker.getInfoChunk());
 
-    const infoPackets: Buffer[] = [];
+    const infoPackets: Uint8Array[] = [];
 
-    const trackerChunksLists: Buffer[][] = [];
+    const trackerChunksLists: Uint8Array[][] = [];
-    let currentTrackerList: Buffer[] = [];
+    let currentTrackerList: Uint8Array[] = [];
 
     let currentInfoPacketSize = Constants.PACKET_HEADER_SIZE + systemNameChunk.length + Constants.CHUNK_HEADER_SIZE;
 
-    trackerChunks.forEach((trackerChunk: Buffer) => {
+    trackerChunks.forEach((trackerChunk: Uint8Array) => {
       if (currentInfoPacketSize + trackerChunk.length > Constants.MAX_UDP_PACKET_SIZE) {
         trackerChunksLists.push(currentTrackerList);
         currentTrackerList = [];
@@ -95,10 +95,10 @@ export class Encoder {
     }
 
     const allTrackerChunks = trackers.map((tracker) => tracker.getDataChunk());
-    const dataPackets: Buffer[] = [];
+    const dataPackets: Uint8Array[] = [];
 
-    const trackerChunksLists: Buffer[][] = [];
+    const trackerChunksLists: Uint8Array[][] = [];
-    let currentTrackerList: Buffer[] = [];
+    let currentTrackerList: Uint8Array[] = [];
 
     let currentDataPacketSize = Constants.PACKET_HEADER_SIZE + Constants.CHUNK_HEADER_SIZE;
 

src/encoders/chunk.ts

@@ -1,4 +1,4 @@
-export default (id: number, chunkData: Buffer, hasSubchunks: boolean): Buffer => {
+export default (id: number, chunkData: Uint8Array, hasSubchunks: boolean): Uint8Array => {
   if (!Number.isInteger(id)) {
     throw new Error('chunk id must be an integer');
   }
@@ -11,10 +11,15 @@ export default (id: number, chunkData: Buffer, hasSubchunks: boolean): Buffer =>
     throw new Error('chunkData can not be greater than 32767 bytes');
   }
 
-  const header = Buffer.alloc(4);
+  const header = new DataView(new ArrayBuffer(4));
-  header.writeUInt16LE(id);
+  header.setUint16(0, id, true);
   const hasSubChunksBit = (hasSubchunks ? 1 : 0) << 15;
-  header.writeUInt16LE(hasSubChunksBit + chunkData.length, 2);
+  header.setUint16(2, hasSubChunksBit + chunkData.length, true);
 
-  return Buffer.concat([header, chunkData]);
+  const headerBytes = new Uint8Array(header.buffer);
+
+  const bytes = new Uint8Array(headerBytes.length + chunkData.length);
+  bytes.set(headerBytes);
+  bytes.set(chunkData, headerBytes.length);
+  return bytes;
 };

src/encoders/data/data-packet-chunk.ts

@@ -1,3 +1,7 @@
 import chunk from '../chunk';
-export default (packetHeaderChunk: Buffer, trackerListChunk: Buffer): Buffer =>
+export default (packetHeaderChunk: Uint8Array, trackerListChunk: Uint8Array): Uint8Array => {
-  chunk(0x6755, Buffer.concat([packetHeaderChunk, trackerListChunk]), true);
+  const chunkData = new Uint8Array(packetHeaderChunk.length + trackerListChunk.length);
+  chunkData.set(packetHeaderChunk);
+  chunkData.set(trackerListChunk, packetHeaderChunk.length);
+  return chunk(0x6755, chunkData, true);
+};

src/encoders/data/data-tracker-accel-chunk.ts

@@ -1,9 +1,9 @@
 import chunk from '../chunk';
 
-export default (x: number, y: number, z: number): Buffer => {
+export default (x: number, y: number, z: number): Uint8Array => {
-  const buf = Buffer.alloc(12);
+  const buf = new DataView(new ArrayBuffer(12));
-  buf.writeFloatLE(x);
+  buf.setFloat32(0, x, true);
-  buf.writeFloatLE(y, 4);
+  buf.setFloat32(4, y, true);
-  buf.writeFloatLE(z, 8);
+  buf.setFloat32(8, z, true);
-  return chunk(0x0004, buf, false);
+  return chunk(0x0004, new Uint8Array(buf.buffer), false);
 };

src/encoders/data/data-tracker-chunk.ts

@@ -1,4 +1,20 @@
 import chunk from '../chunk';
 
-export default (trackerId: number, fieldChunks: Buffer[]): Buffer =>
+export default (trackerId: number, fieldChunks: Uint8Array[]): Uint8Array => {
-  chunk(trackerId, Buffer.concat(fieldChunks), fieldChunks.length > 0);
+  let fieldChunksTotalLength = 0;
+
+  fieldChunks.forEach((fieldChunk) => {
+    fieldChunksTotalLength += fieldChunk.length;
+  });
+
+  const fieldChunksBytes = new Uint8Array(fieldChunksTotalLength);
+
+  let offset = 0;
+
+  fieldChunks.forEach((fieldChunk) => {
+    fieldChunksBytes.set(fieldChunk, offset);
+    offset += fieldChunk.length;
+  });
+
+  return chunk(trackerId, fieldChunksBytes, fieldChunks.length > 0);
+};

src/encoders/data/data-tracker-list-chunk.ts

@@ -1,3 +1,20 @@
 import chunk from '../chunk';
 
-export default (trackerChunks: Buffer[]) => chunk(0x0001, Buffer.concat(trackerChunks), true);
+export default (trackerChunks: Uint8Array[]) => {
+  let trackerChunksTotalLength = 0;
+
+  trackerChunks.forEach((trackerChunk) => {
+    trackerChunksTotalLength += trackerChunk.length;
+  });
+
+  const trackerChunksBytes = new Uint8Array(trackerChunksTotalLength);
+
+  let offset = 0;
+
+  trackerChunks.forEach((trackerChunk) => {
+    trackerChunksBytes.set(trackerChunk, offset);
+    offset += trackerChunk.length;
+  });
+
+  return chunk(0x0001, trackerChunksBytes, true);
+};

src/encoders/data/data-tracker-ori-chunk.ts

@@ -1,9 +1,10 @@
 import chunk from '../chunk';
 
-export default (x: number, y: number, z: number): Buffer => {
+export default (x: number, y: number, z: number): Uint8Array => {
-  const buf = Buffer.alloc(12);
+  const buf = new DataView(new ArrayBuffer(12));
-  buf.writeFloatLE(x);
+
-  buf.writeFloatLE(y, 4);
+  buf.setFloat32(0, x, true);
-  buf.writeFloatLE(z, 8);
+  buf.setFloat32(4, y, true);
-  return chunk(0x0002, buf, false);
+  buf.setFloat32(8, z, true);
+  return chunk(0x0002, new Uint8Array(buf.buffer), false);
 };

src/encoders/data/data-tracker-pos-chunk.ts

@@ -1,9 +1,11 @@
 import chunk from '../chunk';
 
-export default (x: number, y: number, z: number): Buffer => {
+export default (x: number, y: number, z: number): Uint8Array => {
-  const buf = Buffer.alloc(12);
+  const buf = new DataView(new ArrayBuffer(12));
-  buf.writeFloatLE(x);
+
-  buf.writeFloatLE(y, 4);
+  buf.setFloat32(0, x, true);
-  buf.writeFloatLE(z, 8);
+  buf.setFloat32(4, y, true);
-  return chunk(0x0000, buf, false);
+  buf.setFloat32(8, z, true);
+
+  return chunk(0x0000, new Uint8Array(buf.buffer), false);
 };

src/encoders/data/data-tracker-speed-chunk.ts

@@ -1,9 +1,11 @@
 import chunk from '../chunk';
 
-export default (x: number, y: number, z: number): Buffer => {
+export default (x: number, y: number, z: number): Uint8Array => {
-  const buf = Buffer.alloc(12);
+  const buf = new DataView(new ArrayBuffer(12));
-  buf.writeFloatLE(x);
+
-  buf.writeFloatLE(y, 4);
+  buf.setFloat32(0, x, true);
-  buf.writeFloatLE(z, 8);
+  buf.setFloat32(4, y, true);
-  return chunk(0x0001, buf, false);
+  buf.setFloat32(8, z, true);
+
+  return chunk(0x0001, new Uint8Array(buf.buffer), false);
 };

src/encoders/data/data-tracker-status-chunk.ts

@@ -1,7 +1,7 @@
 import chunk from '../chunk';
 
-export default (validity: number): Buffer => {
+export default (validity: number): Uint8Array => {
-  const buf = Buffer.alloc(4);
+  const buf = new DataView(new ArrayBuffer(4));
-  buf.writeFloatLE(validity);
+  buf.setFloat32(0, validity, true);
-  return chunk(0x0003, buf, false);
+  return chunk(0x0003, new Uint8Array(buf.buffer), false);
 };

src/encoders/data/data-tracker-timestamp-chunk.ts

@@ -1,7 +1,7 @@
 import chunk from '../chunk';
 
-export default (timestamp: bigint): Buffer => {
+export default (timestamp: bigint): Uint8Array => {
-  const buf = Buffer.alloc(8);
+  const buf = new DataView(new ArrayBuffer(8));
-  buf.writeBigUInt64LE(BigInt(timestamp));
+  buf.setBigUint64(0, BigInt(timestamp), true);
-  return chunk(0x0006, buf, false);
+  return chunk(0x0006, new Uint8Array(buf.buffer), false);
 };

src/encoders/data/data-tracker-trgtpos-chunk.ts

@@ -1,9 +1,11 @@
 import chunk from '../chunk';
 
-export default (x: number, y: number, z: number): Buffer => {
+export default (x: number, y: number, z: number): Uint8Array => {
-  const buf = Buffer.alloc(12);
+  const buf = new DataView(new ArrayBuffer(12));
-  buf.writeFloatLE(x);
+
-  buf.writeFloatLE(y, 4);
+  buf.setFloat32(0, x, true);
-  buf.writeFloatLE(z, 8);
+  buf.setFloat32(4, y, true);
-  return chunk(0x0005, buf, false);
+  buf.setFloat32(8, z, true);
+
+  return chunk(0x0005, new Uint8Array(buf.buffer), false);
 };

src/encoders/info/info-packet-chunk.ts

@@ -1,4 +1,14 @@
 import chunk from '../chunk';
 
-export default (packetHeaderChunk: Buffer, systemNameChunk: Buffer, trackerListChunk: Buffer): Buffer =>
+export default (
-  chunk(0x6756, Buffer.concat([packetHeaderChunk, systemNameChunk, trackerListChunk]), true);
+  packetHeaderChunk: Uint8Array,
+  systemNameChunk: Uint8Array,
+  trackerListChunk: Uint8Array
+): Uint8Array => {
+  const chunkData = new Uint8Array(packetHeaderChunk.length + systemNameChunk.length + trackerListChunk.length);
+
+  chunkData.set(packetHeaderChunk);
+  chunkData.set(systemNameChunk, packetHeaderChunk.length);
+  chunkData.set(trackerListChunk, packetHeaderChunk.length + systemNameChunk.length);
+  return chunk(0x6756, chunkData, true);
+};

src/encoders/info/info-system-name-chunk.ts

@@ -1,3 +1,3 @@
 import chunk from '../chunk';
 
-export default (systemName: string): Buffer => chunk(0x0001, Buffer.from(systemName), false);
+export default (systemName: string): Uint8Array => chunk(0x0001, new TextEncoder().encode(systemName), false);

src/encoders/info/info-tracker-chunk.ts

@@ -1,3 +1,4 @@
 import chunk from '../chunk';
 
-export default (trackerId: number, trackerNameChunk: Buffer): Buffer => chunk(trackerId, trackerNameChunk, true);
+export default (trackerId: number, trackerNameChunk: Uint8Array): Uint8Array =>
+  chunk(trackerId, trackerNameChunk, true);

src/encoders/info/info-tracker-list-chunk.ts

@@ -1,3 +1,19 @@
 import chunk from '../chunk';
 
-export default (trackerChunks: Buffer[]): Buffer => chunk(0x0002, Buffer.concat(trackerChunks), true);
+export default (trackerChunks: Uint8Array[]): Uint8Array => {
+  let trackerChunksTotalLength = 0;
+
+  trackerChunks.forEach((trackerChunk) => {
+    trackerChunksTotalLength += trackerChunk.length;
+  });
+
+  const trackerChunksBytes = new Uint8Array(trackerChunksTotalLength);
+
+  let offset = 0;
+
+  trackerChunks.forEach((trackerChunk) => {
+    trackerChunksBytes.set(trackerChunk, offset);
+    offset += trackerChunk.length;
+  });
+  return chunk(0x0002, trackerChunksBytes, true);
+};

src/encoders/info/info-tracker-name-chunk.ts

@@ -1,3 +1,3 @@
 import chunk from '../chunk';
 
-export default (trackerName: string) => chunk(0x0000, Buffer.from(trackerName), false);
+export default (trackerName: string) => chunk(0x0000, new TextEncoder().encode(trackerName), false);

src/encoders/packet-header-chunk.ts

@@ -6,7 +6,7 @@ export default (
   versionLow: number,
   frameId: number,
   framePacketCount: number
-): Buffer => {
+): Uint8Array => {
   if (!Number.isInteger(versionHigh)) {
     throw new Error('version high must be an integer');
   }
@@ -33,12 +33,12 @@ export default (
     throw new Error('frame packet count must be >= 0 and <= 255');
   }
 
-  const packetHeader = Buffer.alloc(12);
+  const packetHeader = new DataView(new ArrayBuffer(12));
-  packetHeader.writeBigUInt64LE(BigInt(timestamp));
+  packetHeader.setBigUint64(0, BigInt(timestamp), true);
-  packetHeader.writeUint8(versionHigh, 8);
+  packetHeader.setUint8(8, versionHigh);
-  packetHeader.writeUint8(versionLow, 9);
+  packetHeader.setUint8(9, versionLow);
-  packetHeader.writeUint8(frameId, 10);
+  packetHeader.setUint8(10, frameId);
-  packetHeader.writeUint8(framePacketCount, 11);
+  packetHeader.setUint8(11, framePacketCount);
 
-  return chunk(0x0000, packetHeader, false);
+  return chunk(0x0000, new Uint8Array(packetHeader.buffer), false);
 };

src/models/chunk.ts

@@ -2,5 +2,5 @@ export interface Chunk {
   id?: number;
   has_subchunks?: boolean;
   data_len?: number;
-  chunk_data?: Buffer;
+  chunk_data?: Uint8Array;
 }

src/models/data/data-tracker-field-chunk.ts

@@ -1,5 +1,5 @@
 import { Chunk } from '../chunk';
 
 export interface DataTrackerFieldChunk extends Chunk {
-  [key: string]: number | bigint | number[] | Buffer | undefined | boolean;
+  [key: string]: number | bigint | number[] | Uint8Array | undefined | boolean;
 }

src/models/tracker.ts

@@ -61,7 +61,7 @@ export class Tracker {
   }
 
   getDataChunk() {
-    const fieldChunks: Buffer[] = [];
+    const fieldChunks: Uint8Array[] = [];
 
     if (this.pos) {
       fieldChunks.push(dataTrackerPosChunk(...this.pos));

tsconfig.cjs.json

@@ -0,0 +1,8 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "module": "CommonJS",
+    "declaration": false,
+    "outDir": "./dist/cjs"
+  }
+}

tsconfig.esm.json

@@ -0,0 +1,8 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "module": "ESNext",
+    "declaration": false,
+    "outDir": "./dist/esm"
+  }
+}

tsconfig.json

@@ -1,12 +1,12 @@
 {
   "compilerOptions": {
+    "moduleResolution": "Node",
+    "lib": ["ESNext"],
+    "target": "ESNext",
     "esModuleInterop": true,
-    "module": "commonjs",
+    "isolatedModules": true,
-    "target": "ES2020",
+    "rootDir": "src/",
-    "declaration": true,
+    "strict": true
-    "rootDir": "./src",
-    "strict": true,
-    "outDir": "dist"
   },
-  "exclude": ["node_modules", "dist", "examples"]
+  "include": ["src/"]
 }

tsconfig.types.json

@@ -0,0 +1,8 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "emitDeclarationOnly": true,
+    "declaration": true,
+    "outDir": "./dist/types"
+  }
+}