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o=this.defaults.characterCountAttribute;this.options.maxwords&&(o=this.defaults.wordCountAttribute),this.maxLength=t.getAttribute(o),this.maxLength&&(t.removeAttribute("maxlength"),"onpageshow"in window?window.addEventListener("pageshow",this.sync.bind(this)):window.addEventListener("DOMContentLoaded",this.sync.bind(this)),this.sync())}},r.prototype.sync=function(){this.bindChangeEvents(),this.updateCountMessage()},r.prototype.getDataset=function(t){var e={},n=t.attributes;if(n)for(var o=0;o<n.length;o++){var i=n[o],s=i.name.match(/^data-(.+)/);s&&(e[s[1]]=i.value)}return e},r.prototype.count=function(t){var e;this.options.maxwords?e=(t.match(/\S+/g)||[]).length:e=t.length;return e},r.prototype.bindChangeEvents=function(){var t=this.$textarea;t.addEventListener("keyup",this.checkIfValueChanged.bind(this)),t.addEventListener("focus",this.handleFocus.bind(this)),t.addEventListener("blur",this.handleBlur.bind(this))},r.prototype.checkIfValueChanged=function(){this.$textarea.oldValue||(this.$textarea.oldValue=""),this.$textarea.value!==this.$textarea.oldValue&&(this.$textarea.oldValue=this.$textarea.value,this.updateCountMessage())},r.prototype.updateCountMessage=function(){var t=this.$textarea,e=this.options,n=this.$countMessage,o=this.count(t.value),i=this.maxLength,s=i-o;o<i*(e.threshold?e.threshold:0)/100?(n.classList.add("govuk-character-count__message--disabled"),n.setAttribute("aria-hidden",!0)):(n.classList.remove("govuk-character-count__message--disabled"),n.removeAttribute("aria-hidden")),s<0?(t.classList.add("govuk-textarea--error"),n.classList.remove("govuk-hint"),n.classList.add("govuk-error-message")):(t.classList.remove("govuk-textarea--error"),n.classList.remove("govuk-error-message"),n.classList.add("govuk-hint"));var r,a,l="character";e.maxwords&&(l="word"),l+=-1==s||1==s?"":"s",r=s<0?"too many":"remaining",a=Math.abs(s),n.innerHTML="You have "+a+" "+l+" "+r},r.prototype.handleFocus=function(){this.valueChecker=setInterval(this.checkIfValueChanged.bind(this),1e3)},r.prototype.handleBlur=function(){clearInterval(this.valueChecker)},a.prototype.init=function(){var t=this.$module;s(this.$inputs,function(t){var e=t.getAttribute("data-aria-controls");e&&document.getElementById(e)&&(t.setAttribute("aria-controls",e),t.removeAttribute("data-aria-controls"))}),"onpageshow"in window?window.addEventListener("pageshow",this.syncAllConditionalReveals.bind(this)):window.addEventListener("DOMContentLoaded",this.syncAllConditionalReveals.bind(this)),this.syncAllConditionalReveals(),t.addEventListener("click",this.handleClick.bind(this))},a.prototype.syncAllConditionalReveals=function(){s(this.$inputs,this.syncConditionalRevealWithInputState.bind(this))},a.prototype.syncConditionalRevealWithInputState=function(t){var e=document.getElementById(t.getAttribute("aria-controls"));if(e&&e.classList.contains("govuk-checkboxes__conditional")){var n=t.checked;t.setAttribute("aria-expanded",n),e.classList.toggle("govuk-checkboxes__conditional--hidden",!n)}},a.prototype.unCheckAllInputsExcept=function(e){s(document.querySelectorAll('input[type="checkbox"][name="'+e.name+'"]'),function(t){e.form===t.form&&t!==e&&(t.checked=!1,this.syncConditionalRevealWithInputState(t))}.bind(this))},a.prototype.unCheckExclusiveInputs=function(e){s(document.querySelectorAll('input[data-behaviour="exclusive"][type="checkbox"][name="'+e.name+'"]'),function(t){e.form===t.form&&(t.checked=!1,this.syncConditionalRevealWithInputState(t))}.bind(this))},a.prototype.handleClick=function(t){var e=t.target;"checkbox"===e.type&&(e.getAttribute("aria-controls")&&this.syncConditionalRevealWithInputState(e),e.checked&&("exclusive"===e.getAttribute("data-behaviour")?this.unCheckAllInputsExcept(e):this.unCheckExclusiveInputs(e)))},function(t){"document"in this&&"matches"in document.documentElement||(Element.prototype.matches=Element.prototype.webkitMatchesSelector||Element.prototype.oMatchesSelector||Element.prototype.msMatchesSelector||Element.prototype.mozMatchesSelector||function(t){for(var e=(this.document||this.ownerDocument).querySelectorAll(t),n=0;e[n]&&e[n]!==this;)++n;return!!e[n]})}.call("object"==typeof window&&window||"object"==typeof self&&self||"object"==typeof global&&global||{}),function(t){"document"in this&&"closest"in document.documentElement||(Element.prototype.closest=function(t){for(var e=this;e;){if(e.matches(t))return e;e="SVGElement"in window&&e instanceof SVGElement?e.parentNode:e.parentElement}return null})}.call("object"==typeof window&&window||"object"==typeof self&&self||"object"==typeof global&&global||{}),l.prototype.init=function(){var t=this.$module;t&&(t.focus(),t.addEventListener("click",this.handleClick.bind(this)))},l.prototype.handleClick=function(t){var e=t.target;this.focusTarget(e)&&t.preventDefault()},l.prototype.focusTarget=function(t){if("A"!==t.tagName||!1===t.href)return!1;var e=this.getFragmentFromUrl(t.href),n=document.getElementById(e);if(!n)return!1;var o=this.getAssociatedLegendOrLabel(n);return!!o&&(o.scrollIntoView(),n.focus({preventScroll:!0}),!0)},l.prototype.getFragmentFromUrl=function(t){return-1!==t.indexOf("#")&&t.split("#").pop()},l.prototype.getAssociatedLegendOrLabel=function(t){var e=t.closest("fieldset");if(e){var n=e.getElementsByTagName("legend");if(n.length){var o=n[0];if("checkbox"===t.type||"radio"===t.type)return o;var i=o.getBoundingClientRect().top,s=t.getBoundingClientRect();if(s.height&&window.innerHeight)if(s.top+s.height-i<window.innerHeight/2)return o}}return document.querySelector("label[for='"+t.getAttribute("id")+"']")||t.closest("label")},c.prototype.init=function(){this.$module&&this.setFocus()},c.prototype.setFocus=function(){var t=this.$module;"true"!==t.getAttribute("data-disable-auto-focus")&&"alert"===t.getAttribute("role")&&(t.getAttribute("tabindex")||(t.setAttribute("tabindex","-1"),t.addEventListener("blur",function(){t.removeAttribute("tabindex")})),t.focus())},u.prototype.init=function(){this.$module&&this.$menuButton&&this.$menu&&(this.syncState(this.$menu.classList.contains("govuk-header__navigation-list--open")),this.$menuButton.addEventListener("click",this.handleMenuButtonClick.bind(this)))},u.prototype.syncState=function(t){this.$menuButton.classList.toggle("govuk-header__menu-button--open",t),this.$menuButton.setAttribute("aria-expanded",t)},u.prototype.handleMenuButtonClick=function(){var t=this.$menu.classList.toggle("govuk-header__navigation-list--open");this.syncState(t)},d.prototype.init=function(){var t=this.$module;s(this.$inputs,function(t){var e=t.getAttribute("data-aria-controls");e&&document.getElementById(e)&&(t.setAttribute("aria-controls",e),t.removeAttribute("data-aria-controls"))}),"onpageshow"in window?window.addEventListener("pageshow",this.syncAllConditionalReveals.bind(this)):window.addEventListener("DOMContentLoaded",this.syncAllConditionalReveals.bind(this)),this.syncAllConditionalReveals(),t.addEventListener("click",this.handleClick.bind(this))},d.prototype.syncAllConditionalReveals=function(){s(this.$inputs,this.syncConditionalRevealWithInputState.bind(this))},d.prototype.syncConditionalRevealWithInputState=function(t){var e=document.getElementById(t.getAttribute("aria-controls"));if(e&&e.classList.contains("govuk-radios__conditional")){var n=t.checked;t.setAttribute("aria-expanded",n),e.classList.toggle("govuk-radios__conditional--hidden",!n)}},d.prototype.handleClick=function(t){var n=t.target;"radio"===n.type&&s(document.querySelectorAll('input[type="radio"][aria-controls]'),function(t){var e=t.form===n.form;t.name===n.name&&e&&this.syncConditionalRevealWithInputState(t)}.bind(this))},h.prototype.init=function(){this.$module&&(this.$linkedElement=this.getLinkedElement(),this.$linkedElement&&this.$module.addEventListener("click",this.focusLinkedElement.bind(this)))},h.prototype.getLinkedElement=function(){var t=this.getFragmentFromUrl();return!!t&&document.getElementById(t)},h.prototype.focusLinkedElement=function(){var t=this.$linkedElement;t.getAttribute("tabindex")||(t.setAttribute("tabindex","-1"),t.classList.add("govuk-skip-link-focused-element"),this.linkedElementListener||(this.$linkedElement.addEventListener("blur",this.removeFocusProperties.bind(this)),this.linkedElementListener=!0)),t.focus()},h.prototype.removeFocusProperties=function(){this.$linkedElement.removeAttribute("tabindex"),this.$linkedElement.classList.remove("govuk-skip-link-focused-element")},h.prototype.getFragmentFromUrl=function(){return!!this.$module.hash&&this.$module.hash.split("#").pop()},function(t){"document"in this&&"nextElementSibling"in document.documentElement||Object.defineProperty(Element.prototype,"nextElementSibling",{get:function(){for(var t=this.nextSibling;t&&1!==t.nodeType;)t=t.nextSibling;return t}})}.call("object"==typeof window&&window||"object"==typeof self&&self||"object"==typeof global&&global||{}),function(t){"document"in this&&"previousElementSibling"in document.documentElement||Object.defineProperty(Element.prototype,"previousElementSibling",{get:function(){for(var t=this.previousSibling;t&&1!==t.nodeType;)t=t.previousSibling;return t}})}.call("object"==typeof window&&window||"object"==typeof self&&self||"object"==typeof global&&global||{}),p.prototype.init=function(){"function"==typeof window.matchMedia?this.setupResponsiveChecks():this.setup()},p.prototype.setupResponsiveChecks=function(){this.mql=window.matchMedia("(min-width: 40.0625em)"),this.mql.addListener(this.checkMode.bind(this)),this.checkMode()},p.prototype.checkMode=function(){this.mql.matches?this.setup():this.teardown()},p.prototype.setup=function(){var t=this.$module,e=this.$tabs,n=t.querySelector(".govuk-tabs__list"),o=t.querySelectorAll(".govuk-tabs__list-item");if(e&&n&&o){n.setAttribute("role","tablist"),s(o,function(t){t.setAttribute("role","presentation")}),s(e,function(t){this.setAttributes(t),t.boundTabClick=this.onTabClick.bind(this),t.boundTabKeydown=this.onTabKeydown.bind(this),t.addEventListener("click",t.boundTabClick,!0),t.addEventListener("keydown",t.boundTabKeydown,!0),this.hideTab(t)}.bind(this));var i=this.getTab(window.location.hash)||this.$tabs[0];this.showTab(i),t.boundOnHashChange=this.onHashChange.bind(this),window.addEventListener("hashchange",t.boundOnHashChange,!0)}},p.prototype.teardown=function(){var t=this.$module,e=this.$tabs,n=t.querySelector(".govuk-tabs__list"),o=t.querySelectorAll(".govuk-tabs__list-item");e&&n&&o&&(n.removeAttribute("role"),s(o,function(t){t.removeAttribute("role","presentation")}),s(e,function(t){t.removeEventListener("click",t.boundTabClick,!0),t.removeEventListener("keydown",t.boundTabKeydown,!0),this.unsetAttributes(t)}.bind(this)),window.removeEventListener("hashchange",t.boundOnHashChange,!0))},p.prototype.onHashChange=function(t){var e=window.location.hash,n=this.getTab(e);if(n)if(this.changingHash)this.changingHash=!1;else{var o=this.getCurrentTab();this.hideTab(o),this.showTab(n),n.focus()}},p.prototype.hideTab=function(t){this.unhighlightTab(t),this.hidePanel(t)},p.prototype.showTab=function(t){this.highlightTab(t),this.showPanel(t)},p.prototype.getTab=function(t){return this.$module.querySelector('.govuk-tabs__tab[href="'+t+'"]')},p.prototype.setAttributes=function(t){var e=this.getHref(t).slice(1);t.setAttribute("id","tab_"+e),t.setAttribute("role","tab"),t.setAttribute("aria-controls",e),t.setAttribute("aria-selected","false"),t.setAttribute("tabindex","-1");var n=this.getPanel(t);n.setAttribute("role","tabpanel"),n.setAttribute("aria-labelledby",t.id),n.classList.add(this.jsHiddenClass)},p.prototype.unsetAttributes=function(t){t.removeAttribute("id"),t.removeAttribute("role"),t.removeAttribute("aria-controls"),t.removeAttribute("aria-selected"),t.removeAttribute("tabindex");var e=this.getPanel(t);e.removeAttribute("role"),e.removeAttribute("aria-labelledby"),e.classList.remove(this.jsHiddenClass)},p.prototype.onTabClick=function(t){if(!t.target.classList.contains("govuk-tabs__tab"))return!1;t.preventDefault();var e=t.target,n=this.getCurrentTab();this.hideTab(n),this.showTab(e),this.createHistoryEntry(e)},p.prototype.createHistoryEntry=function(t){var e=this.getPanel(t),n=e.id;e.id="",this.changingHash=!0,window.location.hash=this.getHref(t).slice(1),e.id=n},p.prototype.onTabKeydown=function(t){switch(t.keyCode){case this.keys.left:case this.keys.up:this.activatePreviousTab(),t.preventDefault();break;case this.keys.right:case this.keys.down:this.activateNextTab(),t.preventDefault()}},p.prototype.activateNextTab=function(){var t=this.getCurrentTab(),e=t.parentNode.nextElementSibling;if(e)var n=e.querySelector(".govuk-tabs__tab");n&&(this.hideTab(t),this.showTab(n),n.focus(),this.createHistoryEntry(n))},p.prototype.activatePreviousTab=function(){var t=this.getCurrentTab(),e=t.parentNode.previousElementSibling;if(e)var n=e.querySelector(".govuk-tabs__tab");n&&(this.hideTab(t),this.showTab(n),n.focus(),this.createHistoryEntry(n))},p.prototype.getPanel=function(t){return this.$module.querySelector(this.getHref(t))},p.prototype.showPanel=function(t){this.getPanel(t).classList.remove(this.jsHiddenClass)},p.prototype.hidePanel=function(t){this.getPanel(t).classList.add(this.jsHiddenClass)},p.prototype.unhighlightTab=function(t){t.setAttribute("aria-selected","false"),t.parentNode.classList.remove("govuk-tabs__list-item--selected"),t.setAttribute("tabindex","-1")},p.prototype.highlightTab=function(t){t.setAttribute("aria-selected","true"),t.parentNode.classList.add("govuk-tabs__list-item--selected"),t.setAttribute("tabindex","0")},p.prototype.getCurrentTab=function(){return this.$module.querySelector(".govuk-tabs__list-item--selected .govuk-tabs__tab")},p.prototype.getHref=function(t){var e=t.getAttribute("href");return e.slice(e.indexOf("#"),e.length)},t.initAll=function f(t){var e="undefined"!=typeof(t=void 0!==t?t:{}).scope?t.scope:document;s(e.querySelectorAll('[data-module="govuk-button"]'),function(t){new o(t).init()}),s(e.querySelectorAll('[data-module="govuk-accordion"]'),function(t){new n(t).init()}),s(e.querySelectorAll('[data-module="govuk-details"]'),function(t){new i(t).init()}),s(e.querySelectorAll('[data-module="govuk-character-count"]'),function(t){new r(t).init()}),s(e.querySelectorAll('[data-module="govuk-checkboxes"]'),function(t){new a(t).init()}),new l(e.querySelector('[data-module="govuk-error-summary"]')).init(),new u(e.querySelector('[data-module="govuk-header"]')).init(),s(e.querySelectorAll('[data-module="govuk-notification-banner"]'),function(t){new c(t).init()}),s(e.querySelectorAll('[data-module="govuk-radios"]'),function(t){new d(t).init()}),new h(e.querySelector('[data-module="govuk-skip-link"]')).init(),s(e.querySelectorAll('[data-module="govuk-tabs"]'),function(t){new p(t).init()})},t.Accordion=n,t.Button=o,t.Details=i,t.CharacterCount=r,t.Checkboxes=a,t.ErrorSummary=l,t.Header=u,t.NotificationBanner=c,t.Radios=d,t.SkipLink=h,t.Tabs=p});
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