add getter for .arrayBuffer

Author: hcortezr

package.json

@@ -3,7 +3,7 @@
     "description": "a package designed to facilitate the reading and writing of binary data.",
     "module": "./dist/BinaryStream.js",
     "types": "./dist/BinaryStream.d.ts",
-    "version": "1.1.3",
+    "version": "1.1.4",
     "type": "module",
     "keywords": [
         "binary",

src/BinaryStream.ts

@@ -119,7 +119,16 @@ class BinaryStream {
      * @param offset The optional offset to write the data at.
      * @returns The updated BinaryStream instance.
      */
-    write(buffer: Uint8Array | number[], offset?: number): this {
+    write(stream: BinaryStream, offset?: number): this;
+    write(buffer: ArrayBuffer, offset?: number): this;
+    write(buffer: Uint8Array | number[], offset?: number): this;
+    write(buffer: any, offset?: number): this {
+        if (buffer instanceof ArrayBuffer) {
+            buffer = new Uint8Array(buffer);
+        } else if (buffer instanceof BinaryStream) {
+            buffer = buffer.buffer;
+        }
+
         const { start, end } = this.increaseOffset(buffer.length, offset);
         if (end > this.length) {
             this.resize(end, false);
@@ -169,6 +178,10 @@ class BinaryStream {
         return this.view.buffer.byteLength;
     }
 
+    get arrayBuffer(): ArrayBuffer {
+        return this.view.buffer;
+    }
+
     /**
      * Creates a Blob from the buffer.
      * @param type The MIME type of the Blob.