1 files changed, 58 insertions, 0 deletions
diff --git a/shardweb/assets/js/app.js b/shardweb/assets/js/app.js
new file mode 100644
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+++ b/shardweb/assets/js/app.js
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+// Brunch automatically concatenates all files in your
+// watched paths. Those paths can be configured at
+// config.paths.watched in "brunch-config.js".
+//
+// However, those files will only be executed if
+// explicitly imported. The only exception are files
+// in vendor, which are never wrapped in imports and
+// therefore are always executed.
+
+// Import dependencies
+//
+// If you no longer want to use a dependency, remember
+// to also remove its path from "config.paths.watched".
+import "phoenix_html"
+
+// Import local files
+//
+// Local files can be imported directly using relative
+// paths "./socket" or full ones "web/static/js/socket".
+
+import socket from "./socket"
+
+var room_name = window.Gon.getAsset('chat_room');
+if (room_name != undefined)
+{
+  var channel = socket.channel('room:' + room_name, {}); // connect to chat "room"
+
+  channel.on('shout', function (payload) { // listen to the 'shout' event
+    var li = document.createElement("li"); // creaet new list item DOM element
+    var name = payload.name || 'guest';    // get name from payload or set default
+    li.innerHTML = '<b>' + name + '</b>: ' + payload.message; // set li contents
+
+    console.log(ul.scrollTop + ' ' + ul.scrollHeight + ' ' + ul.clientHeight);
+    var must_scroll = (ul.scrollTop >= ul.scrollHeight - ul.clientHeight - 10);
+
+    ul.appendChild(li);                    // append to list
+
+    if (must_scroll) ul.scrollTop = ul.scrollHeight;
+  });
+
+  channel.join(); // join the channel.
+
+
+  var ul = document.getElementById('msg-list');        // list of messages.
+  var name = document.getElementById('name');          // name of message sender
+  var msg = document.getElementById('msg');            // message input field
+
+  // "listen" for the [Enter] keypress event to send a message:
+  msg.addEventListener('keypress', function (event) {
+    if (event.keyCode == 13 && msg.value.length > 0) { // don't sent empty msg.
+      channel.push('shout', { // send the message to the server on "shout" channel
+        name: name.value,     // get value of "name" of person sending the message
+        message: msg.value    // get message text (value) from msg input field.
+      });
+      msg.value = '';         // reset the message input field for next message.
+    }
+  });
+}