add support for interactive sessions

backend.js

@@ -14,13 +14,27 @@ var ptyProcess = pty.spawn(shell, [], {
 });
 wss.on('connection', ws => {
     console.log("new session")
+
+    // Catch incoming request
     ws.on('message', command => {
-        ptyProcess.write(command);
+        var processedCommand = commandProcessor(command)
+        // console.log(processedCommand, "incoming command");
+        ptyProcess.write(processedCommand);
     })
 
-    ptyProcess.on('data', function (data) {
-        ws.send(data)
-        console.log(data);
+    // Output: Sent to the frontend
+    ptyProcess.on('data', function (rawOutput) {
+        var processedOutput = outputProcessor(rawOutput);
+        ws.send(processedOutput);
+        console.log(processedOutput);
 
     });
-})
+})
+
+const commandProcessor = function(command) {
+    return command;
+}
+
+const outputProcessor = function(output) {
+    return output;
+}

frontend.js

@@ -18,57 +18,22 @@ function init() {
     };
     prompt(term);
 
-    term.onData(e => {
-        switch (e) {
-            case '\u0003': // Ctrl+C
-                term.write('^C');
-                prompt(term);
-                break;
-            case '\r': // Enter
-                runCommand(term, command);
-                command = '';
-                break;
-            case '\u007F': // Backspace (DEL)
-                // Do not delete the prompt
-                if (term._core.buffer.x > 2) {
-                    term.write('\b \b');
-                    if (command.length > 0) {
-                        command = command.substr(0, command.length - 1);
-                    }
-                }
-                break;
-            case '\u0009':
-                console.log('tabbed', output, ["dd", "ls"]);
-                break;
-            default:
-                if (e >= String.fromCharCode(0x20) && e <= String.fromCharCode(0x7E) || e >= '\u00a0') {
-                    command += e;
-                    term.write(e);
-                }
-        }
+    term.onKey(key => {
+        runCommand(term, key.key);
     });
 }
 
-function clearInput(command) {
-    var inputLengh = command.length;
-    for (var i = 0; i < inputLengh; i++) {
-        term.write('\b \b');
-    }
-}
 function prompt(term) {
-    command = '';
     term.write('\r\n$ ');
 }
 socket.onmessage = (event) => {
     term.write(event.data);
+
 }
 
 function runCommand(term, command) {
-    if (command.length > 0) {
-        clearInput(command);
-        socket.send(command + '\n');
-        return;
-    }
+    socket.send(command);
+
 }
 
 init();