Infrastructure: Fix previously excluded ESLint issues

.eslintrc.json

@@ -39,111 +39,6 @@
       "rules": {
         "no-console": 0
       }
-    },
-    {
-      "files": [
-        "examples/accordion/js/accordion.js",
-        "examples/alert/js/alert.js",
-        "examples/checkbox/checkbox-1/js/checkbox.js",
-        "examples/checkbox/checkbox-2/js/checkboxMixed.js",
-        "examples/checkbox/checkbox-2/js/controlledCheckbox.js",
-        "examples/combobox/js/combobox-autocomplete.js",
-        "examples/combobox/js/combobox-datepicker.js",
-        "examples/combobox/js/grid-combo-example.js",
-        "examples/combobox/js/grid-combo.js",
-        "examples/dialog-modal/js/alertdialog.js",
-        "examples/dialog-modal/js/dialog.js",
-        "examples/disclosure/js/disclosureButton.js",
-        "examples/disclosure/js/disclosureMenu.js",
-        "examples/grid/js/dataGrid.js",
-        "examples/grid/js/dataGrids.js",
-        "examples/grid/js/layoutGrids.js",
-        "examples/js/examples.js",
-        "examples/landmarks/js/bootstrap-accessibility-2.js",
-        "examples/landmarks/js/show.js",
-        "examples/link/js/link.js",
-        "examples/listbox/js/listbox-collapsible.js",
-        "examples/listbox/js/listbox-scrollable.js",
-        "examples/listbox/js/listbox.js",
-        "examples/menu-button/js/menu-button-actions-active-descendant.js",
-        "examples/menu-button/js/menu-button-actions.js",
-        "examples/menu-button/js/menu-button-links.js",
-        "examples/menubar/js/menubar-editor.js",
-        "examples/menubar/js/menubar-navigation.js",
-        "examples/meter/js/meter.js",
-        "examples/slider/js/multithumb-slider.js",
-        "examples/slider/js/slider.js",
-        "examples/slider/js/text-slider.js",
-        "examples/slider/js/vertical-slider.js",
-        "examples/tabs/tabs-2/js/tabs.js",
-        "examples/toolbar/js/FontMenu.js",
-        "examples/toolbar/js/FontMenuButton.js",
-        "examples/toolbar/js/FontMenuItem.js",
-        "examples/toolbar/js/FormatToolbar.js",
-        "examples/toolbar/js/FormatToolbarItem.js",
-        "examples/treeview/treeview-1/js/treeitem.js",
-        "examples/treeview/treeview-2/js/treeitemLinks.js",
-        "respec-config.js",
-        "test/index.js",
-        "test/tests/accordion_accordion.js",
-        "test/tests/combobox_datepicker.js",
-        "test/tests/combobox_select-only.js",
-        "test/tests/dialog-modal_datepicker.js",
-        "test/tests/grid_LayoutGrids.js",
-        "test/tests/grid_dataGrids.js",
-        "test/tests/menu-button_actions.js",
-        "test/tests/menu-button_actions-active-descendant.js",
-        "test/tests/menubar_menubar-editor.js",
-        "test/tests/menubar_menubar-navigation.js",
-        "test/tests/slider_slider-2.js",
-        "test/tests/tabs_tabs-1.js",
-        "test/tests/tabs_tabs-2.js",
-        "test/util/assertHasFocus.js",
-        "test/tests/toolbar_toolbar.js",
-        "test/tests/treegrid_treegrid-1.js",
-        "test/tests/treeview_treeview-1a.js",
-        "test/tests/treeview_treeview-1b.js",
-        "test/tests/treeview_treeview-2a.js",
-        "test/tests/treeview_treeview-2b.js",
-        "test/util/assertAriaDescribedby.js",
-        "test/util/assertDotValue.js",
-        "test/util/report.js"
-      ],
-      "rules": {
-        "no-unused-vars": 0
-      }
-    },
-    {
-      "files": [
-        "examples/checkbox/checkbox-2/js/checkboxMixed.js",
-        "examples/combobox/js/grid-combo-example.js",
-        "examples/combobox/js/grid-combo.js",
-        "examples/dialog-modal/js/alertdialog.js",
-        "examples/feed/js/main.js",
-        "examples/grid/js/dataGrids.js",
-        "examples/js/app.js",
-        "examples/landmarks/js/bootstrap-accessibility-2.js",
-        "examples/landmarks/js/show.js",
-        "examples/landmarks/js/tabs.js",
-        "examples/listbox/js/listbox-rearrangeable.js",
-        "examples/listbox/js/listbox-scrollable.js",
-        "examples/menubar/js/menubar-editor.js",
-        "examples/toolbar/js/FontMenu.js",
-        "examples/toolbar/js/FontMenuButton.js",
-        "examples/toolbar/js/FormatToolbar.js",
-        "examples/treeview/treeview-1/js/tree.js",
-        "examples/treeview/treeview-2/js/treeLinks.js",
-        "respec-config.js",
-        "test/tests/link_link.js",
-        "test/tests/menu-button_actions-active-descendant.js",
-        "test/tests/menu-button_actions.js",
-        "test/tests/menu-button_links.js",
-        "test/util/assertTabOrder.js",
-        "test/util/force-serial.js"
-      ],
-      "rules": {
-        "no-undef": 0
-      }
     }
   ]
 }

examples/accordion/js/accordion.js

@@ -21,9 +21,6 @@ Array.prototype.slice
     var triggers = Array.prototype.slice.call(
       accordion.querySelectorAll('.Accordion-trigger')
     );
-    var panels = Array.prototype.slice.call(
-      accordion.querySelectorAll('.Accordion-panel')
-    );
 
     accordion.addEventListener('click', function (event) {
       var target = event.target;
@@ -78,11 +75,6 @@ Array.prototype.slice
       var target = event.target;
       var key = event.which.toString();
 
-      var isExpanded = target.getAttribute('aria-expanded') == 'true';
-      var allowToggle = allowMultiple
-        ? allowMultiple
-        : accordion.hasAttribute('data-allow-toggle');
-
       // 33 = Page Up, 34 = Page Down
       var ctrlModifier = event.ctrlKey && key.match(/33|34/);
 
@@ -120,11 +112,11 @@ Array.prototype.slice
     accordion
       .querySelectorAll('.Accordion-trigger')
       .forEach(function (trigger) {
-        trigger.addEventListener('focus', function (event) {
+        trigger.addEventListener('focus', function () {
           accordion.classList.add('focus');
         });
 
-        trigger.addEventListener('blur', function (event) {
+        trigger.addEventListener('blur', function () {
           accordion.classList.remove('focus');
         });
       });

examples/alert/js/alert.js

@@ -21,7 +21,7 @@ window.addEventListener('load', function () {
  *
  */
 
-function addAlert(event) {
+function addAlert() {
   var example = document.getElementById('example');
   var template = document.getElementById('alert-template').innerHTML;
 

examples/checkbox/checkbox-1/js/checkbox.js

@@ -67,14 +67,14 @@ Checkbox.prototype.handleKeydown = function (event) {
   }
 };
 
-Checkbox.prototype.handleClick = function (event) {
+Checkbox.prototype.handleClick = function () {
   this.toggleCheckbox();
 };
 
-Checkbox.prototype.handleFocus = function (event) {
+Checkbox.prototype.handleFocus = function () {
   this.domNode.classList.add('focus');
 };
 
-Checkbox.prototype.handleBlur = function (event) {
+Checkbox.prototype.handleBlur = function () {
   this.domNode.classList.remove('focus');
 };

examples/checkbox/checkbox-2/js/checkboxMixed.js

@@ -8,6 +8,8 @@
  *           for a menu of links
  */
 
+/* global ControlledCheckbox */
+
 'use strict';
 
 /*
@@ -136,14 +138,14 @@ CheckboxMixed.prototype.handleKeydown = function (event) {
   }
 };
 
-CheckboxMixed.prototype.handleClick = function (event) {
+CheckboxMixed.prototype.handleClick = function () {
   this.toggleCheckboxMixed();
 };
 
-CheckboxMixed.prototype.handleFocus = function (event) {
+CheckboxMixed.prototype.handleFocus = function () {
   this.domNode.classList.add('focus');
 };
 
-CheckboxMixed.prototype.handleBlur = function (event) {
+CheckboxMixed.prototype.handleBlur = function () {
   this.domNode.classList.remove('focus');
 };

examples/checkbox/checkbox-2/js/controlledCheckbox.js

@@ -85,14 +85,14 @@ ControlledCheckbox.prototype.setChecked = function (value) {
 
 /* EVENT HANDLERS */
 
-ControlledCheckbox.prototype.handleChange = function (event) {
+ControlledCheckbox.prototype.handleChange = function () {
   this.controller.updateCheckboxMixed();
 };
 
-ControlledCheckbox.prototype.handleKeyup = function (event) {
+ControlledCheckbox.prototype.handleKeyup = function () {
   this.lastState = this.isChecked();
 };
 
-ControlledCheckbox.prototype.handleClick = function (event) {
+ControlledCheckbox.prototype.handleClick = function () {
   this.lastState = this.isChecked();
 };

examples/combobox/js/combobox-autocomplete.js

@@ -294,7 +294,6 @@ class ComboboxAutocomplete {
 
   onComboboxKeyDown(event) {
     var flag = false,
-      char = event.key,
       altKey = event.altKey;
 
     if (event.ctrlKey || event.shiftKey) {
@@ -492,30 +491,30 @@ class ComboboxAutocomplete {
     }
   }
 
-  onComboboxClick(event) {
+  onComboboxClick() {
     if (this.isOpen()) {
       this.close(true);
     } else {
       this.open();
     }
   }
 
-  onComboboxFocus(event) {
+  onComboboxFocus() {
     this.filter = this.comboboxNode.value;
     this.filterOptions();
     this.setVisualFocusCombobox();
     this.option = null;
     this.setCurrentOptionStyle(null);
   }
 
-  onComboboxBlur(event) {
+  onComboboxBlur() {
     this.comboboxHasVisualFocus = false;
     this.setCurrentOptionStyle(null);
     this.removeVisualFocusAll();
     setTimeout(this.close.bind(this, false), 300);
   }
 
-  onButtonClick(event) {
+  onButtonClick() {
     if (this.isOpen()) {
       this.close(true);
     } else {
@@ -527,11 +526,11 @@ class ComboboxAutocomplete {
 
   /* Listbox Events */
 
-  onListboxMouseover(event) {
+  onListboxMouseover() {
     this.hasHover = true;
   }
 
-  onListboxMouseout(event) {
+  onListboxMouseout() {
     this.hasHover = false;
     setTimeout(this.close.bind(this, false), 300);
   }
@@ -543,12 +542,12 @@ class ComboboxAutocomplete {
     this.close(true);
   }
 
-  onOptionMouseover(event) {
+  onOptionMouseover() {
     this.hasHover = true;
     this.open();
   }
 
-  onOptionMouseout(event) {
+  onOptionMouseout() {
     this.hasHover = false;
     setTimeout(this.close.bind(this, false), 300);
   }

examples/combobox/js/combobox-datepicker.js

@@ -754,9 +754,7 @@ class ComboboxDatePicker {
   }
 
   onComboboxKeyDown(event) {
-    var flag = false,
-      char = event.key,
-      altKey = event.altKey;
+    var flag = false;
 
     if (event.ctrlKey || event.shiftKey) {
       return;

examples/combobox/js/grid-combo-example.js

@@ -93,7 +93,7 @@ function searchVeggies(searchString) {
  * @desc Initialize the combobox examples once the page has loaded
  */
 window.addEventListener('load', function () {
-  var ex1Combobox = new aria.GridCombobox(
+  new aria.GridCombobox(
     document.getElementById('ex1-input'),
     document.getElementById('ex1-grid'),
     searchVeggies

examples/combobox/js/grid-combo.js

@@ -180,7 +180,7 @@ aria.GridCombobox.prototype.handleInputKeyDown = function (evt) {
   }
 };
 
-aria.GridCombobox.prototype.handleInputFocus = function (evt) {
+aria.GridCombobox.prototype.handleInputFocus = function () {
   this.updateResults();
 };
 

examples/dialog-modal/js/alertdialog.js

@@ -1,3 +1,5 @@
+/* global closeDialog, openDialog */
+
 'use strict';
 
 var aria = aria || {};
@@ -19,7 +21,7 @@ aria.Utils.triggerAlert = function (alertEl, content) {
       alertEl.classList.remove('hidden');
       alertEl.addEventListener(
         'transitionend',
-        function (e) {
+        function () {
           if (!this.classList.contains('active')) {
             this.classList.add('hidden');
           }

examples/dialog-modal/js/dialog.js

@@ -276,7 +276,6 @@ aria.Utils = aria.Utils || {};
     newFocusAfterClosed,
     newFocusFirst
   ) {
-    var closedDialog = aria.getCurrentDialog();
     aria.OpenDialogList.pop();
     this.removeListeners();
     aria.Utils.remove(this.preNode);
@@ -285,7 +284,7 @@ aria.Utils = aria.Utils || {};
     this.backdropNode.classList.remove('active');
 
     var focusAfterClosed = newFocusAfterClosed || this.focusAfterClosed;
-    var dialog = new aria.Dialog(newDialogId, focusAfterClosed, newFocusFirst);
+    new aria.Dialog(newDialogId, focusAfterClosed, newFocusFirst);
   }; // end replace
 
   aria.Dialog.prototype.addListeners = function () {
@@ -313,7 +312,7 @@ aria.Utils = aria.Utils || {};
   }; // end trapFocus
 
   window.openDialog = function (dialogId, focusAfterClosed, focusFirst) {
-    var dialog = new aria.Dialog(dialogId, focusAfterClosed, focusFirst);
+    new aria.Dialog(dialogId, focusAfterClosed, focusFirst);
   };
 
   window.closeDialog = function (closeButton) {

examples/disclosure/js/disclosureButton.js

@@ -79,23 +79,23 @@ ButtonExpand.prototype.handleKeydown = function (event) {
   }
 };
 
-ButtonExpand.prototype.handleClick = function (event) {
+ButtonExpand.prototype.handleClick = function () {
   this.toggleExpand();
 };
 
-ButtonExpand.prototype.handleFocus = function (event) {
+ButtonExpand.prototype.handleFocus = function () {
   this.domNode.classList.add('focus');
 };
 
-ButtonExpand.prototype.handleBlur = function (event) {
+ButtonExpand.prototype.handleBlur = function () {
   this.domNode.classList.remove('focus');
 };
 
 /* Initialize Hide/Show Buttons */
 
 window.addEventListener(
   'load',
-  function (event) {
+  function () {
     var buttons = document.querySelectorAll(
       'button[aria-expanded][aria-controls]'
     );