diff --git a/.github/workflows/apply.yml b/.github/workflows/apply.yml
index 15de3fe..2fa2212 100644
--- a/.github/workflows/apply.yml
+++ b/.github/workflows/apply.yml
@@ -15,6 +15,8 @@ jobs:
       with:
         fetch-depth: 30
 
+    - uses: actions/setup-node@v4
+
     - uses: actions/setup-python@v5
       with:
         python-version: '3.x'
diff --git a/.github/workflows/gadget-lint.yaml b/.github/workflows/gadget-lint.yaml
index e075452..ea4c5db 100644
--- a/.github/workflows/gadget-lint.yaml
+++ b/.github/workflows/gadget-lint.yaml
@@ -17,6 +17,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - uses: actions/setup-node@v4
+
       - name: Get yarn cache
         id: yarn-cache
         run: echo "::set-output name=dir::$(yarn cache dir)"
diff --git a/.github/workflows/update_mirrors.yml b/.github/workflows/update-mirrors.yml
similarity index 100%
rename from .github/workflows/update_mirrors.yml
rename to .github/workflows/update-mirrors.yml
diff --git a/.prettierrc.yml b/.prettierrc.yml
index 467e467..00a628c 100644
--- a/.prettierrc.yml
+++ b/.prettierrc.yml
@@ -1,4 +1,5 @@
 singleQuote: true
+trailingComma: es5
 overrides:
   - files: "gadgets/**/{G,g}adget_definition:*"
     options:
diff --git a/gadgets/bookflap/mediawiki%3Agadget-bookflap.js b/gadgets/bookflap/mediawiki%3Agadget-bookflap.js
index af82561..27ad7a2 100644
--- a/gadgets/bookflap/mediawiki%3Agadget-bookflap.js
+++ b/gadgets/bookflap/mediawiki%3Agadget-bookflap.js
@@ -32,13 +32,13 @@
 
   $raws.each(function () {
     var $title = $(this).find(
-      '.book-flap-title a, .book-flap-title .mw-selflink',
+      '.book-flap-title a, .book-flap-title .mw-selflink'
     );
     var $slideBookFlap = $('<div></div>')
       .addClass('book-flap-slide')
       .html($(this).find('book-flap-raw book-flap-title'))
       .append(
-        $(this).find('.book-flap-body').clone().addClass('mw-parser-output'),
+        $(this).find('.book-flap-body').clone().addClass('mw-parser-output')
       )
       .appendTo($overlay);
 
@@ -85,7 +85,7 @@
       .addClass('book-flap-side')
       .html($(this).find('book-flap-raw book-flap-title'))
       .append(
-        $(this).find('.book-flap-body').clone().addClass('mw-parser-output'),
+        $(this).find('.book-flap-body').clone().addClass('mw-parser-output')
       )
       .appendTo($(this).hasClass('book-flap-left') ? $leftside : $rightside)
       .hide()
diff --git a/gadgets/create-redirect/mediawiki%3Agadget-create-redirect.js b/gadgets/create-redirect/mediawiki%3Agadget-create-redirect.js
index 289e589..94a3274 100644
--- a/gadgets/create-redirect/mediawiki%3Agadget-create-redirect.js
+++ b/gadgets/create-redirect/mediawiki%3Agadget-create-redirect.js
@@ -11,8 +11,8 @@
         '#',
         '여기로 넘겨주기',
         'p-createRedirect',
-        '이 문서로 오는 넘겨주기 문서를 만듭니다.',
-      ),
+        '이 문서로 오는 넘겨주기 문서를 만듭니다.'
+      )
     ).on('click', function (e) {
       e.preventDefault();
       target = mw.config.get('wgPageName').replace(/_/g, ' ');
@@ -62,7 +62,7 @@
           title +
           '" 문서에서 "' +
           target +
-          '" 문서로 넘겨주기를 만드시겠습니까?',
+          '" 문서로 넘겨주기를 만드시겠습니까?'
       )
       .done(function (confirmed) {
         if (confirmed) {
@@ -75,7 +75,7 @@
                   '" 문서에서 ' +
                   '"' +
                   target +
-                  '" 문서로 넘겨주기 문서가 생성되었습니다.',
+                  '" 문서로 넘겨주기 문서가 생성되었습니다.'
               );
             })
             .fail(function (e) {
diff --git a/gadgets/hide-insulting-names/mediawiki%3Agadget-hide-insulting-names.js b/gadgets/hide-insulting-names/mediawiki%3Agadget-hide-insulting-names.js
index 211e985..a8bb631 100644
--- a/gadgets/hide-insulting-names/mediawiki%3Agadget-hide-insulting-names.js
+++ b/gadgets/hide-insulting-names/mediawiki%3Agadget-hide-insulting-names.js
@@ -17,7 +17,7 @@
 
       if (isLinkToSanction) {
         $(this).html(
-          '사용자:' + substitute + ' 님에 대한 부적절한 사용자명 변경 건의',
+          '사용자:' + substitute + ' 님에 대한 부적절한 사용자명 변경 건의'
         );
       }
     });
diff --git a/gadgets/imageview/mediawiki%3Agadget-imageview.js b/gadgets/imageview/mediawiki%3Agadget-imageview.js
index 14bf3f5..b292daf 100644
--- a/gadgets/imageview/mediawiki%3Agadget-imageview.js
+++ b/gadgets/imageview/mediawiki%3Agadget-imageview.js
@@ -17,9 +17,9 @@
       $('<img></img>')
         .attr(
           'src',
-          'https://upload.wikimedia.org/wikipedia/commons/d/de/Ajax-loader.gif',
+          'https://upload.wikimedia.org/wikipedia/commons/d/de/Ajax-loader.gif'
         )
-        .addClass('loading-spinner'),
+        .addClass('loading-spinner')
     );
 
     $('body').css('overflow', 'hidden');
@@ -29,7 +29,7 @@
         titles: decodeURI(
           $(this)
             .attr('href')
-            .match(/\/([^/]+)$/)[1],
+            .match(/\/([^/]+)$/)[1]
         ),
         prop: 'imageinfo',
         iiprop: 'url',
@@ -42,7 +42,7 @@
         });
 
         overlay.append(
-          $('<img></img>').attr('src', imageSource).addClass('image'),
+          $('<img></img>').attr('src', imageSource).addClass('image')
         );
       });
   });
diff --git a/gadgets/mute/mediawiki%3Agadget-mute.js b/gadgets/mute/mediawiki%3Agadget-mute.js
index 871944b..292e9db 100644
--- a/gadgets/mute/mediawiki%3Agadget-mute.js
+++ b/gadgets/mute/mediawiki%3Agadget-mute.js
@@ -13,7 +13,7 @@
       '  여러 브라우저로 페미위키를 이용하시는 분들은 각 브라우저별로' +
       '  키워드를 등록해주시기 바랍니다.' +
       '</p>' +
-      '</div>',
+      '</div>'
   );
 
   function _initUI() {
@@ -25,8 +25,8 @@
         '#',
         '뮤트',
         'p-mute',
-        '금지어를 설정합니다.',
-      ),
+        '금지어를 설정합니다.'
+      )
     ).on('click', function (e) {
       e.preventDefault();
       $editorEl.show();
@@ -58,7 +58,7 @@
     $('#mw-content-text').prepend(
       '<div class="notice warning">' +
         '가림 단어가 포함된 문서입니다. 이 문서의 제목 또는 본문에 한 개 이상의 가림 단어가 있습니다.' +
-        '</div>',
+        '</div>'
     );
   }
 
diff --git a/gadgets/rc-lazy-load/mediawiki%3Agadget-rc-lazy-load.js b/gadgets/rc-lazy-load/mediawiki%3Agadget-rc-lazy-load.js
index cc79bc3..cc2e52a 100644
--- a/gadgets/rc-lazy-load/mediawiki%3Agadget-rc-lazy-load.js
+++ b/gadgets/rc-lazy-load/mediawiki%3Agadget-rc-lazy-load.js
@@ -9,7 +9,7 @@
     // 바뀐글 링크를 limit가 0인 링크로 바꿉니다.
     $('#site-navigation .changes a').attr(
       'href',
-      $('#site-navigation .changes a').attr('href') + '?limit=0',
+      $('#site-navigation .changes a').attr('href') + '?limit=0'
     );
 
     if (
@@ -46,12 +46,12 @@
 
         // limit를 50으로 변경하는 버튼
         var btn = $(
-          '.mw-rcfilters-ui-changesLimitPopupWidget .oo-ui-buttonSelectWidget a',
+          '.mw-rcfilters-ui-changesLimitPopupWidget .oo-ui-buttonSelectWidget a'
         ).eq(limitButtonIndex);
 
         // 버튼을 누르는 동작을 흉내냅니다. 즉 limit를 50으로 다시 설정합니다.
         btn.trigger(
-          jQuery.Event('mousedown', { which: OO.ui.MouseButtons.LEFT }),
+          jQuery.Event('mousedown', { which: OO.ui.MouseButtons.LEFT })
         );
         btn[0].dispatchEvent(new MouseEvent('mouseup'));
       });
diff --git a/gadgets/visual-editor-for-femiwiki/mediawiki%3Agadget-visual-editor-for-femiwiki.js b/gadgets/visual-editor-for-femiwiki/mediawiki%3Agadget-visual-editor-for-femiwiki.js
index ec7812b..265c7b6 100644
--- a/gadgets/visual-editor-for-femiwiki/mediawiki%3Agadget-visual-editor-for-femiwiki.js
+++ b/gadgets/visual-editor-for-femiwiki/mediawiki%3Agadget-visual-editor-for-femiwiki.js
@@ -12,7 +12,7 @@
     var AddReferencesListCommand = function () {
       AddReferencesListCommand.parent.call(
         this,
-        'addReferencesList', // Command name
+        'addReferencesList' // Command name
       );
     };
     OO.inheritClass(AddReferencesListCommand, ve.ui.Command);
@@ -46,7 +46,7 @@
                 isResponsive: mw.config.get('wgCiteResponsiveReferences'),
               },
             })
-            .concat({ type: '/mwReferencesList' }),
+            .concat({ type: '/mwReferencesList' })
         )
         .collapseToEnd()
         .select();
@@ -61,8 +61,8 @@
         'addReferencesList', // Sequence name
         'addReferencesList', // Command name
         '=r',
-        2,
-      ),
+        2
+      )
     );
 
     ve.ui.commandHelpRegistry.register('insert', 'addReferencesList', {
@@ -86,7 +86,7 @@
       // Parent constructor
       AddNotesSectionCommand.parent.call(
         this,
-        'addNotesSection', // Command name
+        'addNotesSection' // Command name
       );
     };
     OO.inheritClass(AddNotesSectionCommand, ve.ui.Command);
@@ -130,7 +130,7 @@
                 },
               },
             })
-            .concat({ type: '/mwTransclusionBlock' }),
+            .concat({ type: '/mwTransclusionBlock' })
         )
         .collapseToEnd()
         .select();
@@ -145,8 +145,8 @@
         'addNotesSection', // Sequence name
         'addNotesSection', // Command name
         '=n',
-        2,
-      ),
+        2
+      )
     );
 
     ve.ui.commandHelpRegistry.register('insert', 'addNotesSection', {
@@ -203,8 +203,8 @@
         'dash',
         'bulletWrapOnce',
         [{ type: 'paragraph' }, '-', ' '],
-        2,
-      ),
+        2
+      )
     );
 
     ve.ui.commandHelpRegistry.register('formatting', 'listBullet', {