FIX: hamburger toggles drawer open and close

Author: hyeondo-jang

contact.html

@@ -311,7 +311,7 @@ <h2>Contact</h2>
         overlay.classList.remove('open');
     }
 
-    toggle.addEventListener('click', openDrawer);
+    toggle.addEventListener('click', function() { drawer.classList.contains('open') ? closeDrawer() : openDrawer(); });
     close.addEventListener('click', closeDrawer);
     overlay.addEventListener('click', closeDrawer);
 </script>

group.html

@@ -521,7 +521,7 @@ <h3>Alumni</h3>
         overlay.classList.remove('open');
     }
 
-    toggle.addEventListener('click', openDrawer);
+    toggle.addEventListener('click', function() { drawer.classList.contains('open') ? closeDrawer() : openDrawer(); });
     close.addEventListener('click', closeDrawer);
     overlay.addEventListener('click', closeDrawer);
 </script>

hiring.html

@@ -398,7 +398,7 @@ <h2 class="red-title">All</h2>
         overlay.classList.remove('open');
     }
 
-    toggle.addEventListener('click', openDrawer);
+    toggle.addEventListener('click', function() { drawer.classList.contains('open') ? closeDrawer() : openDrawer(); });
     close.addEventListener('click', closeDrawer);
     overlay.addEventListener('click', closeDrawer);
 </script>

index.html

@@ -451,7 +451,7 @@ <h3>Acknowledgements</h3>
         overlay.classList.remove('open');
     }
 
-    toggle.addEventListener('click', openDrawer);
+    toggle.addEventListener('click', function() { drawer.classList.contains('open') ? closeDrawer() : openDrawer(); });
     close.addEventListener('click', closeDrawer);
     overlay.addEventListener('click', closeDrawer);
 </script>

publications.html

@@ -575,7 +575,7 @@ <h2>Publications</h2>
         overlay.classList.remove('open');
     }
 
-    toggle.addEventListener('click', openDrawer);
+    toggle.addEventListener('click', function() { drawer.classList.contains('open') ? closeDrawer() : openDrawer(); });
     close.addEventListener('click', closeDrawer);
     overlay.addEventListener('click', closeDrawer);
 </script>

research.html

@@ -404,7 +404,7 @@ <h2>Collaborators</h2>
         overlay.classList.remove('open');
     }
 
-    toggle.addEventListener('click', openDrawer);
+    toggle.addEventListener('click', function() { drawer.classList.contains('open') ? closeDrawer() : openDrawer(); });
     close.addEventListener('click', closeDrawer);
     overlay.addEventListener('click', closeDrawer);
 </script>