From 252a783ab361e62990e31e5cbf483663548a34be Mon Sep 17 00:00:00 2001
From: Carl Worth <cworth@cworth.org>
Date: Tue, 6 Dec 2022 20:18:59 -0800
Subject: [PATCH] Add a (half)-functional comment field

This sends the comment from the client to the server (but not back again).

The server process simply prints the comment out on its console.
---
 index.html | 17 +++++++++++++++++
 index.js   |  4 +++-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/index.html b/index.html
index 5a74b47..b7b82de 100644
--- a/index.html
+++ b/index.html
@@ -64,6 +64,12 @@
       </form>
     </p>
 
+    <p>
+      <form action="" id="comment-form">
+        <input id="comment" type="text" style="width:100%" autocomplete="off" placeholder="Add a comment" />
+      </form>
+    </p>
+
     <div align="center">
       <div class="animate-flicker">
         <p>
@@ -100,6 +106,17 @@ mute.addEventListener("click", () => {
   <script src="/socket.io/socket.io.js"></script>
   <script>
     var socket = io();
+
+    var form = document.querySelector("#comment-form");
+    var comment = document.querySelector("#comment");
+
+    form.addEventListener('submit', function(e) {
+        e.preventDefault();
+        if (comment.value) {
+            socket.emit('comment', comment.value);
+            comment.value = '';
+        }
+    });
   </script>
 </body>
 </html>
diff --git a/index.js b/index.js
index 336f36f..3ffea3d 100644
--- a/index.js
+++ b/index.js
@@ -12,9 +12,11 @@ app.get('/index.html', (req, res) => {
 
 io.on('connection', (socket) => {
     console.log('a user connected');
+    socket.on('comment', (comment) => {
+        console.log('comment: ' + comment);
+    });
 });
 
 server.listen(port, () => {
     console.log(`listening on *:${port}`);
 });
-
-- 
2.43.0