Stop Pikaday using moment

app/assets/javascripts/due_date_select.js.es6

@@ -48,7 +48,7 @@
       const calendar = new Pikaday({
         field: $dueDateInput.get(0),
         theme: 'gitlab-theme',
-        format: 'YYYY-MM-DD',
+        format: 'yyyy-mm-dd',
         onSelect: (dateText) => {
           const formattedDate = dateFormat(new Date(dateText), 'yyyy-mm-dd');
 
@@ -63,6 +63,7 @@
         }
       });
 
+      calendar.setDate(new Date($dueDateInput.val()));
       this.$datePicker.append(calendar.el);
       this.$datePicker.data('pikaday', calendar);
     }
@@ -169,11 +170,12 @@
         const calendar = new Pikaday({
           field: $datePicker.get(0),
           theme: 'gitlab-theme',
-          format: 'YYYY-MM-DD',
+          format: 'yyyy-mm-dd',
           onSelect(dateText) {
             $datePicker.val(dateFormat(new Date(dateText), 'yyyy-mm-dd'));
           }
         });
+        calendar.setDate(new Date($datePicker.val()));
 
         $datePicker.data('pikaday', calendar);
       });

app/assets/javascripts/issuable_form.js

@@ -40,11 +40,12 @@
         calendar = new Pikaday({
           field: $issuableDueDate.get(0),
           theme: 'gitlab-theme',
-          format: 'YYYY-MM-DD',
+          format: 'yyyy-mm-dd',
           onSelect: function(dateText) {
             $issuableDueDate.val(dateFormat(new Date(dateText), 'yyyy-mm-dd'));
           }
         });
+        calendar.setDate(new Date($issuableDueDate.val()));
       }
     }
 

app/assets/javascripts/member_expiration_date.js.es6

@@ -19,7 +19,7 @@
       const calendar = new Pikaday({
         field: $input.get(0),
         theme: 'gitlab-theme',
-        format: 'YYYY-MM-DD',
+        format: 'yyyy-mm-dd',
         minDate: new Date(),
         onSelect(dateText) {
           $input.val(dateFormat(new Date(dateText), 'yyyy-mm-dd'));
@@ -30,6 +30,7 @@
         },
       });
 
+      calendar.setDate(new Date($input.val()));
       $input.data('pikaday', calendar);
     });
 

app/views/profiles/personal_access_tokens/index.html.haml

@@ -91,7 +91,7 @@
   new Pikaday({
     field: $dateField.get(0),
     theme: 'gitlab-theme',
-    format: 'YYYY-MM-DD',
+    format: 'yyyy-mm-dd',
     minDate: new Date(),
     onSelect: function(dateText) {
       $dateField.val(dateFormat(new Date(dateText), 'yyyy-mm-dd'));

config/webpack.config.js

@@ -83,6 +83,7 @@ var config = {
     new CompressionPlugin({
       asset: '[path].gz[query]',
     }),
+    new webpack.IgnorePlugin(/moment/, /pikaday/),
   ],
 
   resolve: {