Remove reliance on govuk-frontend for nodeListForEach

src/javascripts/application-ie8.js

@@ -1,4 +1,4 @@
-import { nodeListForEach } from 'govuk-frontend/govuk-esm/common'
+import { nodeListForEach } from './components/helpers.js'
 import Example from './components/example.js'
 import AppTabs from './components/tabs.js'
 import OptionsTable from './components/options-table.js'

src/javascripts/application.js

@@ -1,6 +1,6 @@
 import CookieBanner from './components/cookie-banner.js'
 import BackToTop from './components/back-to-top.js'
-import { nodeListForEach } from 'govuk-frontend/govuk-esm/common'
+import { nodeListForEach } from './components/helpers.js'
 import Example from './components/example.js'
 import AppTabs from './components/tabs.js'
 import Copy from './components/copy.js'

src/javascripts/components/cookie-banner.js

@@ -1,7 +1,7 @@
 import * as CookieFunctions from './cookie-functions.js'
 import 'govuk-frontend/govuk/vendor/polyfills/Function/prototype/bind'
 import 'govuk-frontend/govuk/vendor/polyfills/Event'
-import { nodeListForEach } from 'govuk-frontend/govuk-esm/common'
+import { nodeListForEach } from './helpers.js'
 
 var cookieBannerAcceptSelector = '.js-cookie-banner-accept'
 var cookieBannerRejectSelector = '.js-cookie-banner-reject'

src/javascripts/components/cookies-page.js

@@ -1,5 +1,5 @@
 import { getConsentCookie, setConsentCookie } from './cookie-functions.js'
-import { nodeListForEach } from 'govuk-frontend/govuk-esm/common'
+import { nodeListForEach } from './helpers.js'
 
 function CookiesPage ($module) {
   this.$module = $module

src/javascripts/components/helpers.js

@@ -0,0 +1,12 @@
+function nodeListForEach (nodes, callback) {
+  if (window.NodeList.prototype.forEach) {
+    return nodes.forEach(callback)
+  }
+  for (var i = 0; i < nodes.length; i++) {
+    callback.call(window, nodes[i], i, nodes)
+  }
+}
+
+export {
+  nodeListForEach
+}

src/javascripts/components/mobile-navigation.js

@@ -1,6 +1,6 @@
 import 'govuk-frontend/govuk/vendor/polyfills/Element/prototype/classList'
 
-import { nodeListForEach } from 'govuk-frontend/govuk-esm/common'
+import { nodeListForEach } from './helpers.js'
 
 var navActiveClass = 'app-mobile-nav--active'
 var navTogglerActiveClass = 'app-header-mobile-nav-toggler--active'

src/javascripts/components/tabs.js

@@ -1,9 +1,7 @@
 import 'govuk-frontend/govuk/vendor/polyfills/Function/prototype/bind'
 import 'govuk-frontend/govuk/vendor/polyfills/Element/prototype/classList'
 import 'govuk-frontend/govuk/vendor/polyfills/Event'
-import common from 'govuk-frontend/govuk/common'
-
-var nodeListForEach = common.nodeListForEach
+import { nodeListForEach } from './helpers.js'
 
 var tabsItemClass = 'app-tabs__item'
 var tabsItemCurrentClass = tabsItemClass + '--current'