replace NodeJS buffer with Uint8Array

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));