Interim commit; want to retain chokidar file watcher code, even if it's not needed; not sure if socket.io sync is working yet.

package.json

@@ -3,6 +3,7 @@
   "version": "0.0.1",
   "dependencies": {
     "body-parser": "^1.12.4",
+    "chokidar": "^1.6.1",
     "connect-ensure-login": "^0.1.1",
     "cookie-parser": "^1.4.3",
     "express": "^4.12.4",

server.js

@@ -95,8 +95,8 @@ io.on('connection', function(socket){
     //winston.info('a user connected');
     fileSystem.readFile(notePath, {encoding: 'utf-8'}, function(err,data){
         if (!err){
-            winston.info('successful file read');
+            winston.info('file read on connection');
-            io.emit('download allNotes',data);
+            socket.emit('download allNotes',data);  // Send content only to newly connected client.
         } else { winston.error(err); }
     });
     socket.on('upload allNotes', function(msg){
@@ -109,23 +109,45 @@ io.on('connection', function(socket){
             } else {
                 fileSystem.writeFile(notePath, msg, 'utf-8', function(err) {
                     if (err) { winston.error(err); }
-                    winston.info('new contents from client written to allNotes.txt');
                     var exec = require('child_process').exec;
                     var cmd = 'cd note-data && git commit -am "Notes modified via websocket, ' + now + '"';
                     winston.info(cmd);
                     exec(cmd, function(error, stdout, stderr) {
                         if (error) { winston.error(error); }
                         winston.info(stdout);
+                        winston.info('new contents from client written to allNotes.txt');
                     });
                 });
             }
         });
+        // Send new content to all other clients EXCEPT the orig sender.
+        fileSystem.readFile(notePath, {encoding: 'utf-8'}, function(err,data){
+            if (!err){
+                socket.broadcast.emit('download allNotes',data);
+                winston.info('sent content update to other clients');
+            } else { winston.error(err); }
+        });
     });
     socket.on('cm-save', function(msg){
         winston.info(msg);
     });
 });
 
+//var chokidar = require('chokidar');
+//var watcher = chokidar.watch(notePath, {
+    //ignored: /[\/\\]\./,
+    //persistent: true
+//});
+//watcher.on('change', function(){
+    //winston.info('file watcher change event');
+    //fileSystem.readFile(notePath, {encoding: 'utf-8'}, function(err,data){
+        //if (!err){
+            //winston.info('successful file read');
+            //io.emit('download allNotes',data);
+        //} else { winston.error(err); }
+    //});
+//});
+
 http.listen(3000, function() {
     winston.info("Started on PORT 3000");
 });

views/index.html

@@ -45,7 +45,6 @@
 
 <div class=wrap>
     <div class=border>
-        <!-- <textarea id="editor" name="editor">{{{notetxt}}}</textarea> -->
         <textarea id="editor" name="editor"></textarea>
     </div>
 </div>
@@ -73,13 +72,14 @@
         socket.emit('cm-save', 'codemirror save event');
     }
 
+    var userKeypress = false;
     var socket = io();
     socket.on('download allNotes', function(msg){
         //console.log(msg);
+        userKeypress = false;   // Set this back to false, still getting infinite loop.
         editor.getDoc().setValue(msg);
     });
 
-    var userKeypress = false;
     document.onkeydown = function(){ userKeypress = true; };
     var typingTimer;
     editor.on("changes", function() {