tty: fix TypeError when stream is closed

Fixes: nodejs#41330
PR-URL: nodejs#43803
Reviewed-By: Joyee Cheung <[email protected]>

Author: aduh95

lib/tty.js

@@ -72,7 +72,7 @@ ObjectSetPrototypeOf(ReadStream, net.Socket);
 
 ReadStream.prototype.setRawMode = function(flag) {
   flag = !!flag;
-  const err = this._handle.setRawMode(flag);
+  const err = this._handle?.setRawMode(flag);
   if (err) {
     this.emit('error', errors.errnoException(err, 'setRawMode'));
     return this;

test/parallel/test-repl-stdin-push-null.js

@@ -0,0 +1,9 @@
+'use strict';
+const common = require('../common');
+
+if (!process.stdin.isTTY) {
+  common.skip('does not apply on non-TTY stdin');
+}
+
+process.stdin.destroy();
+process.stdin.setRawMode(true);