Convert to ES6 class

app/assets/javascripts/protected_branches/protected_branch_access_dropdown.js

-/* eslint-disable arrow-parens, no-param-reassign, object-shorthand, no-else-return, comma-dangle, max-len */
+export default class ProtectedBranchAccessDropdown {
+  constructor(options) {
+    this.options = options;
+    this.initDropdown();
+  }
 
-(global => {
-  global.gl = global.gl || {};
-
-  gl.ProtectedBranchAccessDropdown = class {
-    constructor(options) {
-      const { $dropdown, data, onSelect } = options;
-
-      $dropdown.glDropdown({
-        data: data,
-        selectable: true,
-        inputId: $dropdown.data('input-id'),
-        fieldName: $dropdown.data('field-name'),
-        toggleLabel(item, el) {
-          if (el.is('.is-active')) {
-            return item.text;
-          } else {
-            return 'Select';
-          }
-        },
-        clicked(opts) {
-          const { e } = opts;
-
-          e.preventDefault();
-          onSelect();
+  initDropdown() {
+    const { onSelect } = this.options;
+    this.options.$dropdown.glDropdown({
+      data: this.options.data,
+      selectable: true,
+      inputId: this.options.$dropdown.data('input-id'),
+      fieldName: this.options.$dropdown.data('field-name'),
+      toggleLabel(item, $el) {
+        if ($el.is('.is-active')) {
+          return item.text;
         }
-      });
-    }
-  };
-})(window);
+        return 'Select';
+      },
+      clicked(options) {
+        options.e.preventDefault();
+        onSelect();
+      },
+    });
+  }
+}

app/assets/javascripts/protected_branches/protected_branch_create.js

-/* eslint-disable no-new, arrow-parens, no-param-reassign, comma-dangle, max-len */
-/* global ProtectedBranchDropdown */
-
-(global => {
-  global.gl = global.gl || {};
-
-  gl.ProtectedBranchCreate = class {
-    constructor() {
-      this.$wrap = this.$form = $('#new_protected_branch');
-      this.buildDropdowns();
-    }
-
-    buildDropdowns() {
-      const $allowedToMergeDropdown = this.$wrap.find('.js-allowed-to-merge');
-      const $allowedToPushDropdown = this.$wrap.find('.js-allowed-to-push');
-
-      // Cache callback
-      this.onSelectCallback = this.onSelect.bind(this);
-
-      // Allowed to Merge dropdown
-      new gl.ProtectedBranchAccessDropdown({
-        $dropdown: $allowedToMergeDropdown,
-        data: gon.merge_access_levels,
-        onSelect: this.onSelectCallback
-      });
-
-      // Allowed to Push dropdown
-      new gl.ProtectedBranchAccessDropdown({
-        $dropdown: $allowedToPushDropdown,
-        data: gon.push_access_levels,
-        onSelect: this.onSelectCallback
-      });
-
-      // Select default
-      $allowedToPushDropdown.data('glDropdown').selectRowAtIndex(0);
-      $allowedToMergeDropdown.data('glDropdown').selectRowAtIndex(0);
-
-      // Protected branch dropdown
-      new ProtectedBranchDropdown({
-        $dropdown: this.$wrap.find('.js-protected-branch-select'),
-        onSelect: this.onSelectCallback
-      });
-    }
-
-    // This will run after clicked callback
-    onSelect() {
-      // Enable submit button
-      const $branchInput = this.$wrap.find('input[name="protected_branch[name]"]');
-      const $allowedToMergeInput = this.$wrap.find('input[name="protected_branch[merge_access_levels_attributes][0][access_level]"]');
-      const $allowedToPushInput = this.$wrap.find('input[name="protected_branch[push_access_levels_attributes][0][access_level]"]');
-
-      this.$form.find('input[type="submit"]').attr('disabled', !($branchInput.val() && $allowedToMergeInput.length && $allowedToPushInput.length));
-    }
-  };
-})(window);
+import ProtectedBranchAccessDropdown from './protected_branch_access_dropdown';
+import ProtectedBranchDropdown from './protected_branch_dropdown';
+
+export default class ProtectedBranchCreate {
+  constructor() {
+    this.$form = $('.js-new-protected-branch');
+    this.buildDropdowns();
+  }
+
+  buildDropdowns() {
+    const $allowedToMergeDropdown = this.$form.find('.js-allowed-to-merge');
+    const $allowedToPushDropdown = this.$form.find('.js-allowed-to-push');
+
+    // Cache callback
+    this.onSelectCallback = this.onSelect.bind(this);
+
+    // Allowed to Merge dropdown
+    this.protectedBranchMergeAccessDropdown = new ProtectedBranchAccessDropdown({
+      $dropdown: $allowedToMergeDropdown,
+      data: gon.merge_access_levels,
+      onSelect: this.onSelectCallback,
+    });
+
+    // Allowed to Push dropdown
+    this.protectedBranchPushAccessDropdown = new ProtectedBranchAccessDropdown({
+      $dropdown: $allowedToPushDropdown,
+      data: gon.push_access_levels,
+      onSelect: this.onSelectCallback,
+    });
+
+    // Select default
+    $allowedToPushDropdown.data('glDropdown').selectRowAtIndex(0);
+    $allowedToMergeDropdown.data('glDropdown').selectRowAtIndex(0);
+
+    // Protected branch dropdown
+    this.protectedBranchDropdown = new ProtectedBranchDropdown({
+      $dropdown: this.$form.find('.js-protected-branch-select'),
+      onSelect: this.onSelectCallback,
+    });
+  }
+
+  // This will run after clicked callback
+  onSelect() {
+    // Enable submit button
+    const $branchInput = this.$form.find('input[name="protected_branch[name]"]');
+    const $allowedToMergeInput = this.$form.find('input[name="protected_branch[merge_access_levels_attributes][0][access_level]"]');
+    const $allowedToPushInput = this.$form.find('input[name="protected_branch[push_access_levels_attributes][0][access_level]"]');
+
+    this.$form.find('input[type="submit"]').attr('disabled', !($branchInput.val() && $allowedToMergeInput.length && $allowedToPushInput.length));
+  }
+}

app/assets/javascripts/protected_branches/protected_branch_edit.js

-/* eslint-disable no-new, arrow-parens, no-param-reassign, comma-dangle, max-len */
+/* eslint-disable no-new */
 /* global Flash */
 
-(global => {
-  global.gl = global.gl || {};
+import ProtectedBranchAccessDropdown from './protected_branch_access_dropdown';
 
-  gl.ProtectedBranchEdit = class {
-    constructor(options) {
-      this.$wrap = options.$wrap;
-      this.$allowedToMergeDropdown = this.$wrap.find('.js-allowed-to-merge');
-      this.$allowedToPushDropdown = this.$wrap.find('.js-allowed-to-push');
+export default class ProtectedBranchEdit {
+  constructor(options) {
+    this.$wrap = options.$wrap;
+    this.$allowedToMergeDropdown = this.$wrap.find('.js-allowed-to-merge');
+    this.$allowedToPushDropdown = this.$wrap.find('.js-allowed-to-push');
+    this.onSelectCallback = this.onSelect.bind(this);
 
-      this.buildDropdowns();
-    }
+    this.buildDropdowns();
+  }
 
-    buildDropdowns() {
-      // Allowed to merge dropdown
-      new gl.ProtectedBranchAccessDropdown({
-        $dropdown: this.$allowedToMergeDropdown,
-        data: gon.merge_access_levels,
-        onSelect: this.onSelect.bind(this)
-      });
+  buildDropdowns() {
+    // Allowed to merge dropdown
+    this.protectedBranchAccessDropdown = new ProtectedBranchAccessDropdown({
+      $dropdown: this.$allowedToMergeDropdown,
+      data: gon.merge_access_levels,
+      onSelect: this.onSelectCallback,
+    });
 
-      // Allowed to push dropdown
-      new gl.ProtectedBranchAccessDropdown({
-        $dropdown: this.$allowedToPushDropdown,
-        data: gon.push_access_levels,
-        onSelect: this.onSelect.bind(this)
-      });
-    }
+    // Allowed to push dropdown
+    this.protectedBranchAccessDropdown = new ProtectedBranchAccessDropdown({
+      $dropdown: this.$allowedToPushDropdown,
+      data: gon.push_access_levels,
+      onSelect: this.onSelectCallback,
+    });
+  }
 
-    onSelect() {
-      const $allowedToMergeInput = this.$wrap.find(`input[name="${this.$allowedToMergeDropdown.data('fieldName')}"]`);
-      const $allowedToPushInput = this.$wrap.find(`input[name="${this.$allowedToPushDropdown.data('fieldName')}"]`);
+  onSelect() {
+    const $allowedToMergeInput = this.$wrap.find(`input[name="${this.$allowedToMergeDropdown.data('fieldName')}"]`);
+    const $allowedToPushInput = this.$wrap.find(`input[name="${this.$allowedToPushDropdown.data('fieldName')}"]`);
 
-      // Do not update if one dropdown has not selected any option
-      if (!($allowedToMergeInput.length && $allowedToPushInput.length)) return;
+    // Do not update if one dropdown has not selected any option
+    if (!($allowedToMergeInput.length && $allowedToPushInput.length)) return;
 
-      this.$allowedToMergeDropdown.disable();
-      this.$allowedToPushDropdown.disable();
+    this.$allowedToMergeDropdown.disable();
+    this.$allowedToPushDropdown.disable();
 
-      $.ajax({
-        type: 'POST',
-        url: this.$wrap.data('url'),
-        dataType: 'json',
-        data: {
-          _method: 'PATCH',
-          protected_branch: {
-            merge_access_levels_attributes: [{
-              id: this.$allowedToMergeDropdown.data('access-level-id'),
-              access_level: $allowedToMergeInput.val()
-            }],
-            push_access_levels_attributes: [{
-              id: this.$allowedToPushDropdown.data('access-level-id'),
-              access_level: $allowedToPushInput.val()
-            }]
-          }
+    $.ajax({
+      type: 'POST',
+      url: this.$wrap.data('url'),
+      dataType: 'json',
+      data: {
+        _method: 'PATCH',
+        protected_branch: {
+          merge_access_levels_attributes: [{
+            id: this.$allowedToMergeDropdown.data('access-level-id'),
+            access_level: $allowedToMergeInput.val(),
+          }],
+          push_access_levels_attributes: [{
+            id: this.$allowedToPushDropdown.data('access-level-id'),
+            access_level: $allowedToPushInput.val(),
+          }],
         },
-        error() {
-          $.scrollTo(0);
-          new Flash('Failed to update branch!');
-        }
-      }).always(() => {
-        this.$allowedToMergeDropdown.enable();
-        this.$allowedToPushDropdown.enable();
-      });
-    }
-  };
-})(window);
+      },
+      error() {
+        $.scrollTo(0);
+        new Flash('Failed to update branch!', null, $('.js-protected-branches-list'));
+      },
+    }).always(() => {
+      this.$allowedToMergeDropdown.enable();
+      this.$allowedToPushDropdown.enable();
+    });
+  }
+}

app/assets/javascripts/protected_branches/protected_branch_edit_list.js

-/* eslint-disable arrow-parens, no-param-reassign, no-new, comma-dangle */
+/* eslint-disable no-new */
 
-(global => {
-  global.gl = global.gl || {};
+import ProtectedBranchEdit from './protected_branch_edit';
 
-  gl.ProtectedBranchEditList = class {
-    constructor() {
-      this.$wrap = $('.protected-branches-list');
+export default class ProtectedBranchEditList {
+  constructor() {
+    this.$wrap = $('.protected-branches-list');
+    this.initEditForm();
+  }
 
-      // Build edit forms
-      this.$wrap.find('.js-protected-branch-edit-form').each((i, el) => {
-        new gl.ProtectedBranchEdit({
-          $wrap: $(el)
-        });
+  initEditForm() {
+    this.$wrap.find('.js-protected-branch-edit-form').each((i, el) => {
+      new ProtectedBranchEdit({
+        $wrap: $(el),
       });
-    }
-  };
-})(window);
+    });
+  }
+}