simplify attach addon

demo/server.js

@@ -4,10 +4,9 @@ var os = require('os');
 var pty = require('node-pty');
 
 /**
- * Whether to use UTF8 binary transport.
- * (Must also be switched in client.ts)
+ * Whether to use binary transport.
  */
-const USE_BINARY_UTF8 = false;
+const USE_BINARY = true;
 
 
 function startServer() {
@@ -46,7 +45,7 @@ function startServer() {
           rows: rows || 24,
           cwd: env.PWD,
           env: env,
-          encoding: USE_BINARY_UTF8 ? null : 'utf8'
+          encoding: USE_BINARY ? null : 'utf8'
         });
 
     console.log('Created terminal with PID: ' + term.pid);
@@ -108,7 +107,7 @@ function startServer() {
         }
       };
     }
-    const send = USE_BINARY_UTF8 ? bufferUtf8(ws, 5) : buffer(ws, 5);
+    const send = USE_BINARY ? bufferUtf8(ws, 5) : buffer(ws, 5);
 
     term.on('data', function(data) {
       try {