Comply to the new rules.

15 files changed, 64 insertions, 60 deletions

diff --git a/js/tests/browsers.js b/js/tests/browsers.js
index 2341f58ab..859f9505c 100644
--- a/js/tests/browsers.js
+++ b/js/tests/browsers.js
@@ -13,8 +13,8 @@ const browsers = {
     base: 'BrowserStack',
     os: 'OS X',
     os_version: 'High Sierra',
-    browser : 'Chrome',
-    browser_version : 'latest'
+    browser: 'Chrome',
+    browser_version: 'latest'
   },
   firefoxMac: {
     base: 'BrowserStack',
diff --git a/js/tests/integration/bundle.js b/js/tests/integration/bundle.js
index f2d3b0d7b..5597cd063 100644
--- a/js/tests/integration/bundle.js
+++ b/js/tests/integration/bundle.js
@@ -2,6 +2,6 @@ import 'popper.js'
 import bootstrap from '../../../dist/js/bootstrap'
 
 window.addEventListener('load', () => {
-  Array.from(document.querySelectorAll('[data-toggle="tooltip"]'))
-    .map((tooltipNode) => new bootstrap.Tooltip(tooltipNode))
+  [...document.querySelectorAll('[data-toggle="tooltip"]')]
+    .map(tooltipNode => new bootstrap.Tooltip(tooltipNode))
 })
diff --git a/js/tests/karma.conf.js b/js/tests/karma.conf.js
index 46df7ae10..122d95753 100644
--- a/js/tests/karma.conf.js
+++ b/js/tests/karma.conf.js
@@ -8,7 +8,7 @@ const {
   browsersKeys
 } = require('./browsers')
 
-const env = process.env
+const { env } = process
 const bundle = env.BUNDLE === 'true'
 const browserStack = env.BROWSER === 'true'
 const debug = env.DEBUG === 'true'
@@ -173,7 +173,7 @@ conf.plugins = plugins
 conf.reporters = reporters
 conf.files = files
 
-module.exports = (karmaConfig) => {
+module.exports = karmaConfig => {
   // possible values: karmaConfig.LOG_DISABLE || karmaConfig.LOG_ERROR || karmaConfig.LOG_WARN || karmaConfig.LOG_INFO || karmaConfig.LOG_DEBUG
   conf.logLevel = karmaConfig.LOG_ERROR || karmaConfig.LOG_WARN
   karmaConfig.set(conf)
diff --git a/js/tests/unit/alert.js b/js/tests/unit/alert.js
index 4fa9ca19f..c03435618 100644
--- a/js/tests/unit/alert.js
+++ b/js/tests/unit/alert.js
@@ -1,7 +1,7 @@
 $(function () {
   'use strict'
 
-  var Alert = typeof window.bootstrap !== 'undefined' ? window.bootstrap.Alert : window.Alert
+  var Alert = typeof window.bootstrap === 'undefined' ? window.Alert : window.bootstrap.Alert
 
   QUnit.module('alert plugin')
 
diff --git a/js/tests/unit/button.js b/js/tests/unit/button.js
index bd393078b..d351cc770 100644
--- a/js/tests/unit/button.js
+++ b/js/tests/unit/button.js
@@ -1,7 +1,7 @@
 $(function () {
   'use strict'
 
-  var Button = typeof window.bootstrap !== 'undefined' ? window.bootstrap.Button : window.Button
+  var Button = typeof window.bootstrap === 'undefined' ? window.Button : window.bootstrap.Button
 
   QUnit.module('button plugin')
 
diff --git a/js/tests/unit/carousel.js b/js/tests/unit/carousel.js
index a45ef4564..02a0c8a77 100644
--- a/js/tests/unit/carousel.js
+++ b/js/tests/unit/carousel.js
@@ -1,7 +1,7 @@
 $(function () {
   'use strict'
 
-  window.Carousel = typeof bootstrap !== 'undefined' ? bootstrap.Carousel : Carousel
+  window.Carousel = typeof bootstrap === 'undefined' ? Carousel : bootstrap.Carousel
 
   var originWinPointerEvent = window.PointerEvent
   window.MSPointerEvent = null
@@ -65,8 +65,8 @@ $(function () {
     $el.bootstrapCarousel()
     try {
       $el.bootstrapCarousel('noMethod')
-    } catch (err) {
-      assert.strictEqual(err.message, 'No method named "noMethod"')
+    } catch (error) {
+      assert.strictEqual(error.message, 'No method named "noMethod"')
     }
   })
 
@@ -89,8 +89,8 @@ $(function () {
 
     try {
       $('<div/>').bootstrapCarousel(config)
-    } catch (err) {
-      message = err.message
+    } catch (error) {
+      message = error.message
     }
 
     assert.ok(message === expectedMessage, 'correct error message')
@@ -102,8 +102,8 @@ $(function () {
 
     try {
       $('<div/>').bootstrapCarousel(config)
-    } catch (err) {
-      message = err.message
+    } catch (error) {
+      message = error.message
     }
 
     assert.ok(message === expectedMessage, 'correct error message')
@@ -161,6 +161,7 @@ $(function () {
       }, 0)
       $carousel[0].removeEventListener('slide.bs.carousel', onSlide)
     }
+
     $carousel[0].addEventListener('slide.bs.carousel', onSlide)
 
     function onSlid() {
@@ -173,6 +174,7 @@ $(function () {
       }, 0)
       $carousel[0].removeEventListener('slid.bs.carousel', onSlid)
     }
+
     $carousel[0].addEventListener('slid.bs.carousel', onSlid)
 
     $carousel.bootstrapCarousel('next')
@@ -682,6 +684,7 @@ $(function () {
       assert.strictEqual(event.defaultPrevented, false)
       $template[0].removeEventListener('keydown', handlerKeydown)
     }
+
     $template[0].addEventListener('keydown', handlerKeydown)
 
     // arrow down
@@ -694,6 +697,7 @@ $(function () {
       $template[0].addEventListener('keydown', handlerKeydown2)
       done()
     }
+
     $template[0].addEventListener('keydown', handlerKeydown2)
 
     // arrow up
diff --git a/js/tests/unit/collapse.js b/js/tests/unit/collapse.js
index b21c18b8e..a051d4f5c 100644
--- a/js/tests/unit/collapse.js
+++ b/js/tests/unit/collapse.js
@@ -1,7 +1,7 @@
 $(function () {
   'use strict'
 
-  var Collapse = typeof window.bootstrap !== 'undefined' ? window.bootstrap.Collapse : window.Collapse
+  var Collapse = typeof window.bootstrap === 'undefined' ? window.Collapse : window.bootstrap.Collapse
 
   QUnit.module('collapse plugin')
 
@@ -33,8 +33,8 @@ $(function () {
     $el.bootstrapCollapse()
     try {
       $el.bootstrapCollapse('noMethod')
-    } catch (err) {
-      assert.strictEqual(err.message, 'No method named "noMethod"')
+    } catch (error) {
+      assert.strictEqual(error.message, 'No method named "noMethod"')
     }
   })
 
@@ -459,7 +459,7 @@ $(function () {
         '<div class="card"/>' +
         '</div>'
     var showFired = false
-    var $groups   = $(accordionHTML).appendTo('#qunit-fixture').find('.card')
+    var $groups = $(accordionHTML).appendTo('#qunit-fixture').find('.card')
 
     var $target1 = $('<a role="button" data-toggle="collapse" href="#body1"/>').appendTo($groups.eq(0))
 
@@ -470,7 +470,7 @@ $(function () {
       })
 
     var $target2 = $('<a role="button" data-toggle="collapse" href="#body2"/>').appendTo($groups.eq(1))
-    var $body2   = $('<div id="body2" class="collapse" data-parent="#accordion"/>').appendTo($groups.eq(1))
+    var $body2 = $('<div id="body2" class="collapse" data-parent="#accordion"/>').appendTo($groups.eq(1))
 
     $target2[0].dispatchEvent(new Event('click'))
 
@@ -607,8 +607,8 @@ $(function () {
     var $collapseTwoOne = $('#collapseTwoOne')
     var $collapseTwoTwo = $('#collapseTwoTwo')
     var collapsedElements = {
-      one : false,
-      two : false
+      one: false,
+      two: false
     }
 
     function firstTest() {
@@ -838,7 +838,7 @@ $(function () {
         parent: $('.my-collapse')
       })
       assert.ok(true, 'collapse correctly created')
-    } catch (err) {
+    } catch (error) {
       assert.ok(false, 'collapse not created')
     }
   })
@@ -859,7 +859,7 @@ $(function () {
         parent: $('.my-collapse')[0]
       })
       assert.ok(true, 'collapse correctly created')
-    } catch (err) {
+    } catch (error) {
       assert.ok(false, 'collapse not created')
     }
   })
diff --git a/js/tests/unit/dropdown.js b/js/tests/unit/dropdown.js
index d1f13c8ee..63f83b3bb 100644
--- a/js/tests/unit/dropdown.js
+++ b/js/tests/unit/dropdown.js
@@ -1,7 +1,7 @@
 $(function () {
   'use strict'
 
-  var Dropdown = typeof window.bootstrap !== 'undefined' ? window.bootstrap.Dropdown : window.Dropdown
+  var Dropdown = typeof window.bootstrap === 'undefined' ? window.Dropdown : window.bootstrap.Dropdown
 
   QUnit.module('dropdowns plugin')
 
@@ -34,8 +34,8 @@ $(function () {
     $el.bootstrapDropdown()
     try {
       $el.bootstrapDropdown('noMethod')
-    } catch (err) {
-      assert.strictEqual(err.message, 'No method named "noMethod"')
+    } catch (error) {
+      assert.strictEqual(error.message, 'No method named "noMethod"')
     }
   })
 
diff --git a/js/tests/unit/modal.js b/js/tests/unit/modal.js
index 6025a6570..87d778b86 100644
--- a/js/tests/unit/modal.js
+++ b/js/tests/unit/modal.js
@@ -1,8 +1,8 @@
 $(function () {
   'use strict'
 
-  window.Util = typeof bootstrap !== 'undefined' ? bootstrap.Util : Util
-  var Modal = typeof window.bootstrap !== 'undefined' ? window.bootstrap.Modal : window.Modal
+  window.Util = typeof bootstrap === 'undefined' ? Util : bootstrap.Util
+  var Modal = typeof window.bootstrap === 'undefined' ? window.Modal : window.bootstrap.Modal
 
   QUnit.module('modal plugin')
 
@@ -45,8 +45,8 @@ $(function () {
     $el.bootstrapModal()
     try {
       $el.bootstrapModal('noMethod')
-    } catch (err) {
-      assert.strictEqual(err.message, 'No method named "noMethod"')
+    } catch (error) {
+      assert.strictEqual(error.message, 'No method named "noMethod"')
     }
   })
 
@@ -460,8 +460,8 @@ $(function () {
     var originalPadding = $body.css('padding-right')
 
     // Hide scrollbars to prevent the body overflowing
-    $body.css('overflow', 'hidden')        // Real scrollbar (for in-browser testing)
-    $('html').css('padding-right', '0px')  // Simulated scrollbar (for PhantomJS)
+    $body.css('overflow', 'hidden') // Real scrollbar (for in-browser testing)
+    $('html').css('padding-right', '0px') // Simulated scrollbar (for PhantomJS)
 
     $('<div id="modal-test"><div class="modal-dialog" /></div>')
       .on('shown.bs.modal', function () {
@@ -758,6 +758,7 @@ $(function () {
         document.removeEventListener('focusin', focusInListener)
         done()
       }
+
       document.addEventListener('focusin', focusInListener)
 
       var focusInEvent = new Event('focusin')
diff --git a/js/tests/unit/popover.js b/js/tests/unit/popover.js
index ac5c54757..3782ed7ee 100644
--- a/js/tests/unit/popover.js
+++ b/js/tests/unit/popover.js
@@ -1,7 +1,7 @@
 $(function () {
   'use strict'
 
-  var Popover = typeof window.bootstrap !== 'undefined' ? window.bootstrap.Popover : window.Popover
+  var Popover = typeof window.bootstrap === 'undefined' ? window.Popover : window.bootstrap.Popover
 
   QUnit.module('popover plugin')
 
@@ -34,8 +34,8 @@ $(function () {
     $el.bootstrapPopover()
     try {
       $el.bootstrapPopover('noMethod')
-    } catch (err) {
-      assert.strictEqual(err.message, 'No method named "noMethod"')
+    } catch (error) {
+      assert.strictEqual(error.message, 'No method named "noMethod"')
     }
   })
 
@@ -367,8 +367,8 @@ $(function () {
 
     try {
       $('<div data-toggle="popover" data-title="some title" data-content="@Johann-S" style="display: none"/>').bootstrapPopover('show')
-    } catch (err) {
-      assert.strictEqual(err.message, 'Please use show on visible elements')
+    } catch (error) {
+      assert.strictEqual(error.message, 'Please use show on visible elements')
       done()
     }
   })
diff --git a/js/tests/unit/scrollspy.js b/js/tests/unit/scrollspy.js
index 153067699..41a155b7a 100644
--- a/js/tests/unit/scrollspy.js
+++ b/js/tests/unit/scrollspy.js
@@ -1,7 +1,7 @@
 $(function () {
   'use strict'
 
-  var ScrollSpy = typeof window.bootstrap !== 'undefined' ? window.bootstrap.ScrollSpy : window.ScrollSpy
+  var ScrollSpy = typeof window.bootstrap === 'undefined' ? window.ScrollSpy : window.bootstrap.ScrollSpy
 
   QUnit.module('scrollspy plugin')
 
@@ -33,8 +33,8 @@ $(function () {
     $el.bootstrapScrollspy()
     try {
       $el.bootstrapScrollspy('noMethod')
-    } catch (err) {
-      assert.strictEqual(err.message, 'No method named "noMethod"')
+    } catch (error) {
+      assert.strictEqual(error.message, 'No method named "noMethod"')
     }
   })
 
diff --git a/js/tests/unit/tab.js b/js/tests/unit/tab.js
index 0675126f8..827fb707c 100644
--- a/js/tests/unit/tab.js
+++ b/js/tests/unit/tab.js
@@ -33,8 +33,8 @@ $(function () {
     $el.bootstrapTab()
     try {
       $el.bootstrapTab('noMethod')
-    } catch (err) {
-      assert.strictEqual(err.message, 'No method named "noMethod"')
+    } catch (error) {
+      assert.strictEqual(error.message, 'No method named "noMethod"')
     }
   })
 
@@ -96,7 +96,7 @@ $(function () {
 
   QUnit.test('should activate element by tab id in nav list', function (assert) {
     assert.expect(2)
-    var tabsHTML =  '<nav class="nav">' +
+    var tabsHTML = '<nav class="nav">' +
                       '<a href="#home">Home</a>' +
                       '<a href="#profile">Profile</a>' +
                     '</nav>'
@@ -112,7 +112,7 @@ $(function () {
 
   QUnit.test('should activate element by tab id in list group', function (assert) {
     assert.expect(2)
-    var tabsHTML =  '<div class="list-group">' +
+    var tabsHTML = '<div class="list-group">' +
                       '<a href="#home">Home</a>' +
                       '<a href="#profile">Profile</a>' +
                     '</div>'
diff --git a/js/tests/unit/toast.js b/js/tests/unit/toast.js
index ffd929646..57f953bd1 100644
--- a/js/tests/unit/toast.js
+++ b/js/tests/unit/toast.js
@@ -41,8 +41,8 @@ $(function () {
 
     try {
       $el.bootstrapToast('noMethod')
-    } catch (err) {
-      assert.strictEqual(err.message, 'No method named "noMethod"')
+    } catch (error) {
+      assert.strictEqual(error.message, 'No method named "noMethod"')
     }
   })
 
@@ -208,7 +208,6 @@ $(function () {
       .bootstrapToast('show')
   })
 
-
   QUnit.test('should close toast when close element with data-dismiss attribute is set', function (assert) {
     assert.expect(2)
     var done = assert.async()
diff --git a/js/tests/unit/tooltip.js b/js/tests/unit/tooltip.js
index 3bc91046b..c9cd2a10c 100644
--- a/js/tests/unit/tooltip.js
+++ b/js/tests/unit/tooltip.js
@@ -1,7 +1,7 @@
 $(function () {
   'use strict'
 
-  var Tooltip = typeof window.bootstrap !== 'undefined' ? window.bootstrap.Tooltip : window.Tooltip
+  var Tooltip = typeof window.bootstrap === 'undefined' ? window.Tooltip : window.bootstrap.Tooltip
 
   QUnit.module('tooltip plugin')
 
@@ -34,8 +34,8 @@ $(function () {
     $el.bootstrapTooltip()
     try {
       $el.bootstrapTooltip('noMethod')
-    } catch (err) {
-      assert.strictEqual(err.message, 'No method named "noMethod"')
+    } catch (error) {
+      assert.strictEqual(error.message, 'No method named "noMethod"')
     }
   })
 
@@ -231,8 +231,8 @@ $(function () {
 
     try {
       $('<div title="tooltip title" style="display: none"/>').bootstrapTooltip('show')
-    } catch (err) {
-      assert.strictEqual(err.message, 'Please use show on visible elements')
+    } catch (error) {
+      assert.strictEqual(error.message, 'Please use show on visible elements')
       done()
     }
   })
@@ -336,7 +336,7 @@ $(function () {
     assert.expect(3)
     var $tooltip = $('<div/>')
       .bootstrapTooltip()
-      .on('click.foo', function () {})  // eslint-disable-line no-empty-function
+      .on('click.foo', function () {}) // eslint-disable-line no-empty-function
 
     assert.ok(Tooltip._getInstance($tooltip[0]), 'tooltip has data')
 
@@ -557,7 +557,7 @@ $(function () {
 
     try {
       $tooltip.bootstrapTooltip('show')
-    } catch (err) {
+    } catch (error) {
       passed = false
     }
 
diff --git a/js/tests/unit/util/index.js b/js/tests/unit/util/index.js
index 2d52ca59a..19d3891d3 100644
--- a/js/tests/unit/util/index.js
+++ b/js/tests/unit/util/index.js
@@ -44,8 +44,8 @@ $(function () {
 
     try {
       Util.typeCheckConfig(namePlugin, config, defaultType)
-    } catch (err) {
-      assert.strictEqual(err.message, 'COLLAPSE: Option "parent" provided type "number" but expected type "(string|element)".')
+    } catch (error) {
+      assert.strictEqual(error.message, 'COLLAPSE: Option "parent" provided type "number" but expected type "(string|element)".')
     }
   })
 
@@ -139,9 +139,7 @@ $(function () {
     assert.expect(1)
 
     var $div = $('<div id="test"></div>').appendTo($('#qunit-fixture'))
-    if (!document.documentElement.attachShadow) {
-      assert.equal(null, Util.findShadowRoot($div[0]))
-    } else {
+    if (document.documentElement.attachShadow) {
       var sandbox = sinon.createSandbox()
 
       sandbox.replace(document.documentElement, 'attachShadow', function () {
@@ -151,6 +149,8 @@ $(function () {
 
       assert.equal(null, Util.findShadowRoot($div[0]))
       sandbox.restore()
+    } else {
+      assert.equal(null, Util.findShadowRoot($div[0]))
     }
   })