feat: Publish Socket timeout property (#131)

Author: Rapsssito

README.md

@@ -241,6 +241,7 @@ Here are listed all methods implemented in `react-native-tcp-socket`, their func
   * [`remotePort`](https://nodejs.org/api/net.html#net_socket_remoteport)
   * [`localAddress`](https://nodejs.org/api/net.html#net_socket_localaddress)
   * [`localPort`](https://nodejs.org/api/net.html#net_socket_localport)
+  * [`timeout`](https://nodejs.org/api/net.html#sockettimeout)
 * **Events:**
   * Inherited from [`Stream.Readable`](https://nodejs.org/api/stream.html#stream_class_stream_readable):
     * [`'pause'`](https://nodejs.org/api/stream.html#stream_event_pause)

src/Socket.js

@@ -62,7 +62,7 @@ export default class Socket extends EventEmitter {
         this._msgEvtEmitter = new EventEmitter();
         /** @type {number} @private */
         this._timeoutMsecs = 0;
-        /** @private */
+        /** @type {number | undefined} @private */
         this._timeout = undefined;
         /** @type {number} @private */
         this._state = STATE.DISCONNECTED;
@@ -94,6 +94,10 @@ export default class Socket extends EventEmitter {
         this._registerEvents();
     }
 
+    get timeout() {
+        return this._timeout;
+    }
+
     /**
      * @package
      * @param {number} id

tsconfig.json

@@ -1,5 +1,6 @@
 {
     "compilerOptions": {
+        "target": "ES5",
         "allowJs": true,
         "lib": ["es2015"],
         "checkJs": true,