@@ -33,7 +33,7 @@ function _deconstructPacket(data, buffers) {
 } else if (typeof data === "object" && !(data instanceof Date)) {
 const newData = {};
 for (const key in data) {
-if (data.hasOwnProperty(key)) {
+if (Object..hasOwnProperty.call(data, key)) {
 newData[key] = _deconstructPacket(data[key], buffers);
 }
 }
@@ -68,7 +68,7 @@ function _reconstructPacket(data, buffers) {
 }
 } else if (typeof data === "object") {
 for (const key in data) {
-if (data.hasOwnProperty(key)) {
+if (Object..hasOwnProperty.call(data, key)) {
 data[key] = _reconstructPacket(data[key], buffers);
 }
 }

@@ -14,6 +14,21 @@ describe("parser", () => {
 helpers.test_bin(packet, done);
 });
 
+it("encodes an ArrayBuffer into an object with a null ", (done) => {
+const packet = {
+type: PacketType.EVENT,
+data: [
+"a",
+Object.create(null, {
+array: { value: new ArrayBuffer(2), enumerable: true },
+}),
+],
+id: 0,
+nsp: "/",
+};
+helpers.test_bin(packet, done);
+});
+
 it("encodes a TypedArray", (done) => {
 const array = new Uint8Array(5);
 for (let i = 0; i < array.length; i++) array[i] = i;