Improve session closing

assets/shell.js

@@ -2,9 +2,10 @@
 
 $(document).ready(() => {
     let $shell = $("#shell");
-    if (!$shell) {
+    if ($shell.length < 1) {
         return;
     }
+    let $close = $(".shell-close");
 
     let closeTimeout = null;
 
@@ -90,4 +91,8 @@ $(document).ready(() => {
         }, 2000);
     });
 
+    $close.click(() => {
+        socket.disconnect();
+    });
+
 });

views/shell.handlebars

@@ -6,7 +6,7 @@
 
 <nav class="navbar navbar-light bg-light fixed-bottom justify-content-between">
     <div class="btn-group mr-auto" role="group">
-        <a class="btn btn-primary" href="/{{path}}">
+        <a class="btn btn-primary" href="/{{path}}" class="shell-close">
             <span class="octicon octicon-chevron-left"></span>
             Close shell
         </a>