fix: Use ES6 class methods to prevent broken this references, exit …

…after close event in TCP TS example

ts/ltsrpc-example-tcp-client.ts

@@ -49,7 +49,11 @@ const { remote, close } = linkTCPSocket(
   (v) => v,
   (v) => v
 );
-socket.on("close", close);
+socket.on("close", () => {
+  close();
+
+  exit(0);
+});
 
 console.log("Connected to", raddr);
 

ts/registry.ts

@@ -63,23 +63,22 @@ class WebSocketRequestResponseReader<T> implements IRequestResponseReader<T> {
     };
   }
 
-  open() {
-    this.socket.addEventListener("message", this.handler);
-  }
+  open = () => this.socket.addEventListener("message", this.handler);
 
-  close() {
-    this.socket.removeEventListener("message", this.handler);
-  }
+  close = () => this.socket.removeEventListener("message", this.handler);
 
-  on(event: "request" | "response", listener: (message: T) => void): this {
+  on = (
+    event: "request" | "response",
+    listener: (message: T) => void
+  ): this => {
     if (event === "request") {
       this.requestListener = listener;
     } else if (event === "response") {
       this.responseListener = listener;
     }
 
     return this;
-  }
+  };
 }
 
 class TCPSocketRequestResponseReader<T> implements IRequestResponseReader<T> {
@@ -105,23 +104,22 @@ class TCPSocketRequestResponseReader<T> implements IRequestResponseReader<T> {
     };
   }
 
-  open() {
-    this.socket.addListener("data", this.handler);
-  }
+  open = () => this.socket.addListener("data", this.handler);
 
-  close() {
-    this.socket.removeListener("data", this.handler);
-  }
+  close = () => this.socket.removeListener("data", this.handler);
 
-  on(event: "request" | "response", listener: (message: T) => void): this {
+  on = (
+    event: "request" | "response",
+    listener: (message: T) => void
+  ): this => {
     if (event === "request") {
       this.requestListener = listener;
     } else if (event === "response") {
       this.responseListener = listener;
     }
 
     return this;
-  }
+  };
 }
 
 /**