--fix

test/e2e/custom-assertions/elementCount.js

@@ -16,7 +16,7 @@ exports.assertion = function (selector, count) {
     return res.value
   }
   this.command = function (cb) {
-    var self = this
+    const self = this
     return this.api.execute(function (selector) {
       return document.querySelectorAll(selector).length
     }, [selector], function (res) {

test/e2e/nightwatch.conf.js

@@ -1,45 +1,45 @@
 require('@babel/register')
-var config = require('../../config')
+const config = require('../../config')
 
 // http://nightwatchjs.org/guide#settings-file
 module.exports = {
-  'src_folders': ['test/e2e/specs'],
-  'output_folder': 'test/e2e/reports',
-  'custom_assertions_path': ['test/e2e/custom-assertions'],
+  src_folders: ['test/e2e/specs'],
+  output_folder: 'test/e2e/reports',
+  custom_assertions_path: ['test/e2e/custom-assertions'],
 
-  'selenium': {
-    'start_process': true,
-    'server_path': 'node_modules/selenium-server/lib/runner/selenium-server-standalone-2.53.1.jar',
-    'host': '127.0.0.1',
-    'port': 4444,
-    'cli_args': {
+  selenium: {
+    start_process: true,
+    server_path: 'node_modules/selenium-server/lib/runner/selenium-server-standalone-2.53.1.jar',
+    host: '127.0.0.1',
+    port: 4444,
+    cli_args: {
       'webdriver.chrome.driver': require('chromedriver').path
     }
   },
 
-  'test_settings': {
-    'default': {
-      'selenium_port': 4444,
-      'selenium_host': 'localhost',
-      'silent': true,
-      'globals': {
-        'devServerURL': 'http://localhost:' + (process.env.PORT || config.dev.port)
+  test_settings: {
+    default: {
+      selenium_port: 4444,
+      selenium_host: 'localhost',
+      silent: true,
+      globals: {
+        devServerURL: 'http://localhost:' + (process.env.PORT || config.dev.port)
       }
     },
 
-    'chrome': {
-      'desiredCapabilities': {
-        'browserName': 'chrome',
-        'javascriptEnabled': true,
-        'acceptSslCerts': true
+    chrome: {
+      desiredCapabilities: {
+        browserName: 'chrome',
+        javascriptEnabled: true,
+        acceptSslCerts: true
       }
     },
 
-    'firefox': {
-      'desiredCapabilities': {
-        'browserName': 'firefox',
-        'javascriptEnabled': true,
-        'acceptSslCerts': true
+    firefox: {
+      desiredCapabilities: {
+        browserName: 'firefox',
+        javascriptEnabled: true,
+        acceptSslCerts: true
       }
     }
   }

test/e2e/runner.js

@@ -1,6 +1,6 @@
 // 1. start the dev server using production config
 process.env.NODE_ENV = 'testing'
-var server = require('../../build/dev-server.js')
+const server = require('../../build/dev-server.js')
 
 // 2. run the nightwatch test suite against it
 // to run in additional browsers:
@@ -9,7 +9,7 @@ var server = require('../../build/dev-server.js')
 // or override the environment flag, for example: `npm run e2e -- --env chrome,firefox`
 // For more information on Nightwatch's config file, see
 // http://nightwatchjs.org/guide#settings-file
-var opts = process.argv.slice(2)
+let opts = process.argv.slice(2)
 if (opts.indexOf('--config') === -1) {
   opts = opts.concat(['--config', 'test/e2e/nightwatch.conf.js'])
 }
@@ -17,8 +17,8 @@ if (opts.indexOf('--env') === -1) {
   opts = opts.concat(['--env', 'chrome'])
 }
 
-var spawn = require('cross-spawn')
-var runner = spawn('./node_modules/.bin/nightwatch', opts, { stdio: 'inherit' })
+const spawn = require('cross-spawn')
+const runner = spawn('./node_modules/.bin/nightwatch', opts, { stdio: 'inherit' })
 
 runner.on('exit', function (code) {
   server.close()