1 files changed, 103 insertions, 106 deletions
diff --git a/app/assets/javascripts/label_manager.js b/app/assets/javascripts/label_manager.js
index d8814802d9e..c929dc98c10 100644
--- a/app/assets/javascripts/label_manager.js
+++ b/app/assets/javascripts/label_manager.js
@@ -1,124 +1,121 @@
 /* eslint-disable comma-dangle, class-methods-use-this, no-underscore-dangle, no-param-reassign, no-unused-vars, consistent-return, func-names, space-before-function-paren, max-len */
-/* global Flash */
 /* global Sortable */
 
-((global) => {
-  class LabelManager {
-    constructor({ togglePriorityButton, prioritizedLabels, otherLabels } = {}) {
-      this.togglePriorityButton = togglePriorityButton || $('.js-toggle-priority');
-      this.prioritizedLabels = prioritizedLabels || $('.js-prioritized-labels');
-      this.otherLabels = otherLabels || $('.js-other-labels');
-      this.errorMessage = 'Unable to update label prioritization at this time';
-      this.emptyState = document.querySelector('#js-priority-labels-empty-state');
-      this.sortable = Sortable.create(this.prioritizedLabels.get(0), {
-        filter: '.empty-message',
-        forceFallback: true,
-        fallbackClass: 'is-dragging',
-        dataIdAttr: 'data-id',
-        onUpdate: this.onPrioritySortUpdate.bind(this),
-      });
-      this.bindEvents();
-    }
+import Flash from './flash';
 
-    bindEvents() {
-      this.prioritizedLabels.find('.btn-action').on('mousedown', this, this.onButtonActionClick);
-      return this.togglePriorityButton.on('click', this, this.onTogglePriorityClick);
-    }
+export default class LabelManager {
+  constructor({ togglePriorityButton, prioritizedLabels, otherLabels } = {}) {
+    this.togglePriorityButton = togglePriorityButton || $('.js-toggle-priority');
+    this.prioritizedLabels = prioritizedLabels || $('.js-prioritized-labels');
+    this.otherLabels = otherLabels || $('.js-other-labels');
+    this.errorMessage = 'Unable to update label prioritization at this time';
+    this.emptyState = document.querySelector('#js-priority-labels-empty-state');
+    this.sortable = Sortable.create(this.prioritizedLabels.get(0), {
+      filter: '.empty-message',
+      forceFallback: true,
+      fallbackClass: 'is-dragging',
+      dataIdAttr: 'data-id',
+      onUpdate: this.onPrioritySortUpdate.bind(this),
+    });
+    this.bindEvents();
+  }
 
-    onTogglePriorityClick(e) {
-      e.preventDefault();
-      const _this = e.data;
-      const $btn = $(e.currentTarget);
-      const $label = $(`#${$btn.data('domId')}`);
-      const action = $btn.parents('.js-prioritized-labels').length ? 'remove' : 'add';
-      const $tooltip = $(`#${$btn.find('.has-tooltip:visible').attr('aria-describedby')}`);
-      $tooltip.tooltip('destroy');
-      _this.toggleLabelPriority($label, action);
-      _this.toggleEmptyState($label, $btn, action);
-    }
+  bindEvents() {
+    this.prioritizedLabels.find('.btn-action').on('mousedown', this, this.onButtonActionClick);
+    return this.togglePriorityButton.on('click', this, this.onTogglePriorityClick);
+  }
 
-    onButtonActionClick(e) {
-      e.stopPropagation();
-      $(e.currentTarget).tooltip('hide');
-    }
+  onTogglePriorityClick(e) {
+    e.preventDefault();
+    const _this = e.data;
+    const $btn = $(e.currentTarget);
+    const $label = $(`#${$btn.data('domId')}`);
+    const action = $btn.parents('.js-prioritized-labels').length ? 'remove' : 'add';
+    const $tooltip = $(`#${$btn.find('.has-tooltip:visible').attr('aria-describedby')}`);
+    $tooltip.tooltip('destroy');
+    _this.toggleLabelPriority($label, action);
+    _this.toggleEmptyState($label, $btn, action);
+  }
 
-    toggleEmptyState($label, $btn, action) {
-      this.emptyState.classList.toggle('hidden', !!this.prioritizedLabels[0].querySelector(':scope > li'));
-    }
+  onButtonActionClick(e) {
+    e.stopPropagation();
+    $(e.currentTarget).tooltip('hide');
+  }
 
-    toggleLabelPriority($label, action, persistState) {
-      if (persistState == null) {
-        persistState = true;
-      }
-      let xhr;
-      const _this = this;
-      const url = $label.find('.js-toggle-priority').data('url');
-      let $target = this.prioritizedLabels;
-      let $from = this.otherLabels;
-      if (action === 'remove') {
-        $target = this.otherLabels;
-        $from = this.prioritizedLabels;
-      }
-      $label.detach().appendTo($target);
-      if ($from.find('li').length) {
-        $from.find('.empty-message').removeClass('hidden');
-      }
-      if ($target.find('> li:not(.empty-message)').length) {
-        $target.find('.empty-message').addClass('hidden');
-      }
-      // Return if we are not persisting state
-      if (!persistState) {
-        return;
-      }
-      if (action === 'remove') {
-        xhr = $.ajax({
-          url,
-          type: 'DELETE'
-        });
-        // Restore empty message
-        if (!$from.find('li').length) {
-          $from.find('.empty-message').removeClass('hidden');
-        }
-      } else {
-        xhr = this.savePrioritySort($label, action);
-      }
-      return xhr.fail(this.rollbackLabelPosition.bind(this, $label, action));
-    }
+  toggleEmptyState($label, $btn, action) {
+    this.emptyState.classList.toggle('hidden', !!this.prioritizedLabels[0].querySelector(':scope > li'));
+  }
 
-    onPrioritySortUpdate() {
-      const xhr = this.savePrioritySort();
-      return xhr.fail(function() {
-        return new Flash(this.errorMessage, 'alert');
-      });
+  toggleLabelPriority($label, action, persistState) {
+    if (persistState == null) {
+      persistState = true;
     }
-
-    savePrioritySort() {
-      return $.post({
-        url: this.prioritizedLabels.data('url'),
-        data: {
-          label_ids: this.getSortedLabelsIds()
-        }
+    let xhr;
+    const _this = this;
+    const url = $label.find('.js-toggle-priority').data('url');
+    let $target = this.prioritizedLabels;
+    let $from = this.otherLabels;
+    if (action === 'remove') {
+      $target = this.otherLabels;
+      $from = this.prioritizedLabels;
+    }
+    $label.detach().appendTo($target);
+    if ($from.find('li').length) {
+      $from.find('.empty-message').removeClass('hidden');
+    }
+    if ($target.find('> li:not(.empty-message)').length) {
+      $target.find('.empty-message').addClass('hidden');
+    }
+    // Return if we are not persisting state
+    if (!persistState) {
+      return;
+    }
+    if (action === 'remove') {
+      xhr = $.ajax({
+        url,
+        type: 'DELETE'
       });
+      // Restore empty message
+      if (!$from.find('li').length) {
+        $from.find('.empty-message').removeClass('hidden');
+      }
+    } else {
+      xhr = this.savePrioritySort($label, action);
     }
+    return xhr.fail(this.rollbackLabelPosition.bind(this, $label, action));
+  }
 
-    rollbackLabelPosition($label, originalAction) {
-      const action = originalAction === 'remove' ? 'add' : 'remove';
-      this.toggleLabelPriority($label, action, false);
+  onPrioritySortUpdate() {
+    const xhr = this.savePrioritySort();
+    return xhr.fail(function() {
       return new Flash(this.errorMessage, 'alert');
-    }
+    });
+  }
 
-    getSortedLabelsIds() {
-      const sortedIds = [];
-      this.prioritizedLabels.find('> li').each(function() {
-        const id = $(this).data('id');
+  savePrioritySort() {
+    return $.post({
+      url: this.prioritizedLabels.data('url'),
+      data: {
+        label_ids: this.getSortedLabelsIds()
+      }
+    });
+  }
 
-        if (id) {
-          sortedIds.push(id);
-        }
-      });
-      return sortedIds;
-    }
+  rollbackLabelPosition($label, originalAction) {
+    const action = originalAction === 'remove' ? 'add' : 'remove';
+    this.toggleLabelPriority($label, action, false);
+    return new Flash(this.errorMessage, 'alert');
   }
 
-  gl.LabelManager = LabelManager;
-})(window.gl || (window.gl = {}));
+  getSortedLabelsIds() {
+    const sortedIds = [];
+    this.prioritizedLabels.find('> li').each(function() {
+      const id = $(this).data('id');
+
+      if (id) {
+        sortedIds.push(id);
+      }
+    });
+    return sortedIds;
+  }
+}