Port nested compact serialization sample [API-1332]

code_samples/compact_serialization_nested_sample.js

@@ -0,0 +1,98 @@
+'use strict';
+
+const {Client} = require('hazelcast-client');
+
+class Address {
+    constructor(city, street) {
+        this.city = city;
+        this.street = street;
+    }
+}
+
+class Employee {
+    constructor(name, age, address) {
+        this.name = name;
+        this.age = age;
+        this.address = address;
+    }
+}
+
+class AddressSerializer {
+
+    getClass() {
+        return Address;
+    }
+
+    getTypeName() {
+        return 'Address';
+    }
+
+    read(reader) {
+        const city = reader.readString('city');
+        const street = reader.readString('street');
+        return new Address(city, street);
+    }
+
+    write(writer, obj) {
+        writer.writeString('city', obj.city);
+        writer.writeString('street', obj.street);
+    }
+}
+
+class EmployeeSerializer {
+
+    getClass() {
+        return Employee;
+    }
+
+    getTypeName() {
+        return 'Employee';
+    }
+
+    read(reader) {
+        const name = reader.readString('name');
+        const age = reader.readInt32('age');
+        const address = reader.readCompact('address');
+        return new Employee(name, age, address);
+    }
+
+    write(writer, obj) {
+        writer.writeString('name', obj.name);
+        writer.writeInt32('age', obj.age);
+        writer.writeCompact('address', obj.address);
+    }
+}
+
+(async () => {
+    try {
+        const client = await Client.newHazelcastClient({
+            serialization: {
+                compact: {
+                    serializers: [new AddressSerializer(), new EmployeeSerializer()]
+                }
+            }
+        });
+
+        const map = await client.getMap('employees');
+
+        await map.put(
+            0,
+            new Employee(
+                'John Doe',
+                42,
+                new Address(
+                    'Cambridge',
+                    '3487 Cedar Lane'
+                )
+            )
+        );
+
+        const result = await map.get(0);
+        console.log(result);
+
+        await client.shutdown();
+    } catch (err) {
+        console.error('Error occurred:', err);
+        process.exit(1);
+    }
+})();