\n {!hasSubmittedForm ? (\n <>\n \n We’d love to know what you think of our website. Take our \n \n short survey\n \n to give us your feedback and help us improve our online\n services.\n
\n \n If you are reporting a problem with using the site, please tell us\n in the space below. Please include which version of the internet\n browser you are using, for example Internet Explorer 8, as this\n may help us to fix things faster.\n
\n \n We will only use any personal data you may disclose to understand\n your feedback and pass it on to the relevant department. You will\n not receive any marketing. If you are making a complaint and you\n provide contact details we will respond to you. For more details\n of our complaints policy please refer to our website.\n
\n \n \n If you need a response, don’t forget to tell us your email\n address.\n \n
\n\n \n Your email address (optional)\n \n\n \n Your feedback (required)\n \n\n \n Thank you for your feedback! \n
\n\n \n We have recieved your comments and will contact you shortly if you\n have provided your email address.\n
\n \n )}\n \n \n )\n}\n","'use strict';\n\nfunction _interopDefault(ex) {\n return ex && typeof ex === 'object' && 'default' in ex ? ex['default'] : ex;\n}\n\nvar React = require('react');\n\nvar React__default = _interopDefault(React);\n\nvar shallowEqual = _interopDefault(require('shallowequal'));\n\nfunction _defineProperty(obj, key, value) {\n if (key in obj) {\n Object.defineProperty(obj, key, {\n value: value,\n enumerable: true,\n configurable: true,\n writable: true\n });\n } else {\n obj[key] = value;\n }\n\n return obj;\n}\n\nfunction _inheritsLoose(subClass, superClass) {\n subClass.prototype = Object.create(superClass.prototype);\n subClass.prototype.constructor = subClass;\n subClass.__proto__ = superClass;\n}\n\nvar canUseDOM = !!(typeof window !== 'undefined' && window.document && window.document.createElement);\n\nfunction withSideEffect(reducePropsToState, handleStateChangeOnClient, mapStateOnServer) {\n if (typeof reducePropsToState !== 'function') {\n throw new Error('Expected reducePropsToState to be a function.');\n }\n\n if (typeof handleStateChangeOnClient !== 'function') {\n throw new Error('Expected handleStateChangeOnClient to be a function.');\n }\n\n if (typeof mapStateOnServer !== 'undefined' && typeof mapStateOnServer !== 'function') {\n throw new Error('Expected mapStateOnServer to either be undefined or a function.');\n }\n\n function getDisplayName(WrappedComponent) {\n return WrappedComponent.displayName || WrappedComponent.name || 'Component';\n }\n\n return function wrap(WrappedComponent) {\n if (typeof WrappedComponent !== 'function') {\n throw new Error('Expected WrappedComponent to be a React component.');\n }\n\n var mountedInstances = [];\n var state;\n\n function emitChange() {\n state = reducePropsToState(mountedInstances.map(function (instance) {\n return instance.props;\n }));\n\n if (SideEffect.canUseDOM) {\n handleStateChangeOnClient(state);\n } else if (mapStateOnServer) {\n state = mapStateOnServer(state);\n }\n }\n\n var SideEffect = /*#__PURE__*/function (_Component) {\n _inheritsLoose(SideEffect, _Component);\n\n function SideEffect() {\n return _Component.apply(this, arguments) || this;\n } // Try to use displayName of wrapped component\n // Expose canUseDOM so tests can monkeypatch it\n\n\n SideEffect.peek = function peek() {\n return state;\n };\n\n SideEffect.rewind = function rewind() {\n if (SideEffect.canUseDOM) {\n throw new Error('You may only call rewind() on the server. Call peek() to read the current state.');\n }\n\n var recordedState = state;\n state = undefined;\n mountedInstances = [];\n return recordedState;\n };\n\n var _proto = SideEffect.prototype;\n\n _proto.shouldComponentUpdate = function shouldComponentUpdate(nextProps) {\n return !shallowEqual(nextProps, this.props);\n };\n\n _proto.componentWillMount = function componentWillMount() {\n mountedInstances.push(this);\n emitChange();\n };\n\n _proto.componentDidUpdate = function componentDidUpdate() {\n emitChange();\n };\n\n _proto.componentWillUnmount = function componentWillUnmount() {\n var index = mountedInstances.indexOf(this);\n mountedInstances.splice(index, 1);\n emitChange();\n };\n\n _proto.render = function render() {\n return React__default.createElement(WrappedComponent, this.props);\n };\n\n return SideEffect;\n }(React.Component);\n\n _defineProperty(SideEffect, \"displayName\", \"SideEffect(\" + getDisplayName(WrappedComponent) + \")\");\n\n _defineProperty(SideEffect, \"canUseDOM\", canUseDOM);\n\n return SideEffect;\n };\n}\n\nmodule.exports = withSideEffect;","import React from \"react\"\n\nimport { useStaticQuery, graphql } from \"gatsby\"\nimport PropTypes from \"prop-types\"\n\nimport { HeaderNavLink } from \"./header-nav-link/header-nav-link\"\nimport { HeaderSearch } from \"../header-search/header-search\"\n\nimport \"./header-nav.scss\"\n\nexport const HeaderNav = ({ className, passedRef }) => {\n const { wagtail } = useStaticQuery(\n graphql`\n query {\n wagtail {\n steps: pages {\n ... on SimpleStepsRootPage {\n url\n title\n }\n }\n sampleLetters: pages {\n ... on SampleLetterLibraryPage {\n url\n title\n }\n }\n factSheets: pages {\n ... on FactSheetLibraryPage {\n url\n title\n }\n }\n }\n }\n `\n )\n\n const { steps, sampleLetters, factSheets } = wagtail\n\n const createLinksFromPageArray = pages =>\n pages.map(({ title, url }) => {\n if (title) {\n return (\n \n \n )\n }\n })\n\n return (\n \n \n {createLinksFromPageArray(steps)}\n\n \n \n\n {createLinksFromPageArray(factSheets)}\n {createLinksFromPageArray(sampleLetters)}\n \n \n \n \n )\n}\n\nHeaderNav.propTypes = {\n className: PropTypes.string,\n passedRef: PropTypes.any,\n}\n","//\nmodule.exports = function shallowEqual(objA, objB, compare, compareContext) {\n var ret = compare ? compare.call(compareContext, objA, objB) : void 0;\n\n if (ret !== void 0) {\n return !!ret;\n }\n\n if (objA === objB) {\n return true;\n }\n\n if (typeof objA !== \"object\" || !objA || typeof objB !== \"object\" || !objB) {\n return false;\n }\n\n var keysA = Object.keys(objA);\n var keysB = Object.keys(objB);\n\n if (keysA.length !== keysB.length) {\n return false;\n }\n\n var bHasOwnProperty = Object.prototype.hasOwnProperty.bind(objB); // Test for A's keys different from B.\n\n for (var idx = 0; idx < keysA.length; idx++) {\n var key = keysA[idx];\n\n if (!bHasOwnProperty(key)) {\n return false;\n }\n\n var valueA = objA[key];\n var valueB = objB[key];\n ret = compare ? compare.call(compareContext, valueA, valueB, key) : void 0;\n\n if (ret === false || ret === void 0 && valueA !== valueB) {\n return false;\n }\n }\n\n return true;\n};","import React from \"react\"\n\nimport { Link } from \"gatsby\"\nimport { PropTypes } from \"prop-types\"\nimport { inject, observer } from \"mobx-react\"\n\nimport { isCurrentPage, isInternalUrl } from \"../../../../../helpers/helpers\"\n\nimport \"./header-nav-link.scss\"\n\nexport const HeaderNavLink = inject(\"headerStore\")(\n observer(({ headerStore, href, label }) =>\n React.createElement(\n isInternalUrl(href) ? Link : \"a\",\n {\n className: `header-nav-link nav-link ${\n isCurrentPage(href) ? \"is-active\" : \"\"\n }`,\n tabIndex:\n headerStore.isNavToggled || headerStore.isNavToggled === null\n ? 0\n : -1,\n href: href,\n to: href,\n },\n <>\n {label}\n {isCurrentPage(href) && (\n (current) \n )}\n \n )\n )\n)\n\nHeaderNavLink.propTypes = {\n href: PropTypes.string,\n label: PropTypes.string,\n}\n\nHeaderNavLink.defaultProps = {\n href: \"#\",\n}\n","import React from \"react\"\n\nimport PropTypes from \"prop-types\"\n\nexport const HeaderSearch = ({ classNames }) => (\n \n \n Search our resources\n \n\n \n
\n
\n \n Search\n \n
\n
components within each other, which is not allowed. Refer to our API for more information.\");\n }\n\n return (0, _HelmetUtils.warn)(\"Only elements types \" + _HelmetConstants.VALID_TAG_NAMES.join(\", \") + \" are allowed. Helmet does not support rendering <\" + child.type + \"> elements. Refer to our API for more information.\");\n }\n\n if (nestedChildren && typeof nestedChildren !== \"string\" && (!Array.isArray(nestedChildren) || nestedChildren.some(function (nestedChild) {\n return typeof nestedChild !== \"string\";\n }))) {\n throw new Error(\"Helmet expects a string as a child of <\" + child.type + \">. Did you forget to wrap your children in braces? ( <\" + child.type + \">{``} ) Refer to our API for more information.\");\n }\n }\n\n return true;\n };\n\n HelmetWrapper.prototype.mapChildrenToProps = function mapChildrenToProps(children, newProps) {\n var _this2 = this;\n\n var arrayTypeChildren = {};\n\n _react2.default.Children.forEach(children, function (child) {\n if (!child || !child.props) {\n return;\n }\n\n var _child$props = child.props,\n nestedChildren = _child$props.children,\n childProps = _objectWithoutProperties(_child$props, [\"children\"]);\n\n var newChildProps = (0, _HelmetUtils.convertReactPropstoHtmlAttributes)(childProps);\n\n _this2.warnOnInvalidChildren(child, nestedChildren);\n\n switch (child.type) {\n case _HelmetConstants.TAG_NAMES.LINK:\n case _HelmetConstants.TAG_NAMES.META:\n case _HelmetConstants.TAG_NAMES.NOSCRIPT:\n case _HelmetConstants.TAG_NAMES.SCRIPT:\n case _HelmetConstants.TAG_NAMES.STYLE:\n arrayTypeChildren = _this2.flattenArrayTypeChildren({\n child: child,\n arrayTypeChildren: arrayTypeChildren,\n newChildProps: newChildProps,\n nestedChildren: nestedChildren\n });\n break;\n\n default:\n newProps = _this2.mapObjectTypeChildren({\n child: child,\n newProps: newProps,\n newChildProps: newChildProps,\n nestedChildren: nestedChildren\n });\n break;\n }\n });\n\n newProps = this.mapArrayTypeChildrenToProps(arrayTypeChildren, newProps);\n return newProps;\n };\n\n HelmetWrapper.prototype.render = function render() {\n var _props = this.props,\n children = _props.children,\n props = _objectWithoutProperties(_props, [\"children\"]);\n\n var newProps = _extends({}, props);\n\n if (children) {\n newProps = this.mapChildrenToProps(children, newProps);\n }\n\n return _react2.default.createElement(Component, newProps);\n };\n\n _createClass(HelmetWrapper, null, [{\n key: \"canUseDOM\",\n // Component.peek comes from react-side-effect:\n // For testing, you may use a static peek() method available on the returned component.\n // It lets you get the current state without resetting the mounted instance stack.\n // Don’t use it for anything other than testing.\n\n /**\n * @param {Object} base: {\"target\": \"_blank\", \"href\": \"http://mysite.com/\"}\n * @param {Object} bodyAttributes: {\"className\": \"root\"}\n * @param {String} defaultTitle: \"Default Title\"\n * @param {Boolean} defer: true\n * @param {Boolean} encodeSpecialCharacters: true\n * @param {Object} htmlAttributes: {\"lang\": \"en\", \"amp\": undefined}\n * @param {Array} link: [{\"rel\": \"canonical\", \"href\": \"http://mysite.com/example\"}]\n * @param {Array} meta: [{\"name\": \"description\", \"content\": \"Test description\"}]\n * @param {Array} noscript: [{\"innerHTML\": \"\n
\n Currently selected region: \n {label}\n
\n\n
\n Change\n \n \n {canonical && \n )\n}\n\nSEO.defaultProps = {\n lang: `en`,\n meta: [],\n description: ``,\n}\n\nSEO.propTypes = {\n description: PropTypes.string,\n lang: PropTypes.string,\n meta: PropTypes.arrayOf(PropTypes.object),\n title: PropTypes.string.isRequired,\n canonical: PropTypes.string,\n}\n","'use strict';\n\nvar isArray = Array.isArray;\nvar keyList = Object.keys;\nvar hasProp = Object.prototype.hasOwnProperty;\nvar hasElementType = typeof Element !== 'undefined';\n\nfunction equal(a, b) {\n // fast-deep-equal index.js 2.0.1\n if (a === b) return true;\n\n if (a && b && typeof a == 'object' && typeof b == 'object') {\n var arrA = isArray(a),\n arrB = isArray(b),\n i,\n length,\n key;\n\n if (arrA && arrB) {\n length = a.length;\n if (length != b.length) return false;\n\n for (i = length; i-- !== 0;) {\n if (!equal(a[i], b[i])) return false;\n }\n\n return true;\n }\n\n if (arrA != arrB) return false;\n var dateA = a instanceof Date,\n dateB = b instanceof Date;\n if (dateA != dateB) return false;\n if (dateA && dateB) return a.getTime() == b.getTime();\n var regexpA = a instanceof RegExp,\n regexpB = b instanceof RegExp;\n if (regexpA != regexpB) return false;\n if (regexpA && regexpB) return a.toString() == b.toString();\n var keys = keyList(a);\n length = keys.length;\n if (length !== keyList(b).length) return false;\n\n for (i = length; i-- !== 0;) {\n if (!hasProp.call(b, keys[i])) return false;\n } // end fast-deep-equal\n // start react-fast-compare\n // custom handling for DOM elements\n\n\n if (hasElementType && a instanceof Element && b instanceof Element) return a === b; // custom handling for React\n\n for (i = length; i-- !== 0;) {\n key = keys[i];\n\n if (key === '_owner' && a.$$typeof) {\n // React-specific: avoid traversing React elements' _owner.\n // _owner contains circular references\n // and is not needed when comparing the actual elements (and not their owners)\n // .$$typeof and ._store on just reasonable markers of a react element\n continue;\n } else {\n // all other properties should be traversed as usual\n if (!equal(a[key], b[key])) return false;\n }\n } // end react-fast-compare\n // fast-deep-equal index.js 2.0.1\n\n\n return true;\n }\n\n return a !== a && b !== b;\n} // end fast-deep-equal\n\n\nmodule.exports = function exportedEqual(a, b) {\n try {\n return equal(a, b);\n } catch (error) {\n if (error.message && error.message.match(/stack|recursion/i) || error.number === -2146828260) {\n // warn on circular references, don't crash\n // browsers give this different errors name and messages:\n // chrome/safari: \"RangeError\", \"Maximum call stack size exceeded\"\n // firefox: \"InternalError\", too much recursion\"\n // edge: \"Error\", \"Out of stack space\"\n console.warn('Warning: react-fast-compare does not handle circular references.', error.name, error.message);\n return false;\n } // some other error. we should definitely know about these\n\n\n throw error;\n }\n};","require(\"core-js/modules/es.array.reduce.js\");\n\nexports.__esModule = true;\nvar ATTRIBUTE_NAMES = exports.ATTRIBUTE_NAMES = {\n BODY: \"bodyAttributes\",\n HTML: \"htmlAttributes\",\n TITLE: \"titleAttributes\"\n};\nvar TAG_NAMES = exports.TAG_NAMES = {\n BASE: \"base\",\n BODY: \"body\",\n HEAD: \"head\",\n HTML: \"html\",\n LINK: \"link\",\n META: \"meta\",\n NOSCRIPT: \"noscript\",\n SCRIPT: \"script\",\n STYLE: \"style\",\n TITLE: \"title\"\n};\nvar VALID_TAG_NAMES = exports.VALID_TAG_NAMES = Object.keys(TAG_NAMES).map(function (name) {\n return TAG_NAMES[name];\n});\nvar TAG_PROPERTIES = exports.TAG_PROPERTIES = {\n CHARSET: \"charset\",\n CSS_TEXT: \"cssText\",\n HREF: \"href\",\n HTTPEQUIV: \"http-equiv\",\n INNER_HTML: \"innerHTML\",\n ITEM_PROP: \"itemprop\",\n NAME: \"name\",\n PROPERTY: \"property\",\n REL: \"rel\",\n SRC: \"src\"\n};\nvar REACT_TAG_MAP = exports.REACT_TAG_MAP = {\n accesskey: \"accessKey\",\n charset: \"charSet\",\n class: \"className\",\n contenteditable: \"contentEditable\",\n contextmenu: \"contextMenu\",\n \"http-equiv\": \"httpEquiv\",\n itemprop: \"itemProp\",\n tabindex: \"tabIndex\"\n};\nvar HELMET_PROPS = exports.HELMET_PROPS = {\n DEFAULT_TITLE: \"defaultTitle\",\n DEFER: \"defer\",\n ENCODE_SPECIAL_CHARACTERS: \"encodeSpecialCharacters\",\n ON_CHANGE_CLIENT_STATE: \"onChangeClientState\",\n TITLE_TEMPLATE: \"titleTemplate\"\n};\nvar HTML_TAG_MAP = exports.HTML_TAG_MAP = Object.keys(REACT_TAG_MAP).reduce(function (obj, key) {\n obj[REACT_TAG_MAP[key]] = key;\n return obj;\n}, {});\nvar SELF_CLOSING_TAGS = exports.SELF_CLOSING_TAGS = [TAG_NAMES.NOSCRIPT, TAG_NAMES.SCRIPT, TAG_NAMES.STYLE];\nvar HELMET_ATTRIBUTE = exports.HELMET_ATTRIBUTE = \"data-react-helmet\";","import React, { useRef, useEffect } from \"react\"\n\nimport { Link } from \"gatsby\"\nimport { inject, observer } from \"mobx-react\"\n\nimport { RegionToggle } from \"../../modules/region-toggle/region-toggle\"\nimport { HeaderNav } from \"./header-nav/header-nav\"\nimport { HeaderSearch } from \"./header-search/header-search\"\n\nimport Logo from \"../../../images/logo.svg\"\n\nimport \"./header.scss\"\n\nexport const Header = inject(\"headerStore\")(\n observer(({ headerStore }) => {\n const nav = useRef(null)\n const menuToggle = useRef(null)\n\n useEffect(() => {\n headerStore.setIsNavToggled(null)\n window.addEventListener(\"resize\", adjustMenuToggleState)\n }, [])\n\n const adjustMenuToggleState = () => {\n const { isNavToggled } = headerStore\n\n const isDesktopView = menuToggle.current\n ? window.getComputedStyle(menuToggle.current).display === \"none\"\n : true\n\n if (isDesktopView) {\n if (isNavToggled !== null) {\n headerStore.setIsNavToggled(null)\n }\n } else if (isNavToggled === null) {\n headerStore.setIsNavToggled(false)\n }\n }\n\n const toggleNavbar = () => {\n const { isNavToggled } = headerStore\n\n const isMenuOpening = isNavToggled === null ? true : !isNavToggled\n\n headerStore.setIsNavToggled(isMenuOpening)\n\n if (isMenuOpening) {\n nav.current.querySelector(\"input\").focus()\n }\n }\n\n return (\n \n )\n })\n)\n","import React, { useEffect } from \"react\"\n\nimport PropTypes from \"prop-types\"\nimport { useStaticQuery, graphql } from \"gatsby\"\nimport { inject, observer } from \"mobx-react\"\n\nimport { Footer } from \"../../layout/footer/footer\"\nimport { Header } from \"../../layout/header/header\"\nimport { FeedbackForm } from \"../../modules/feedback-form/feedback-form\"\nimport { triggerWebchat } from \"../../../helpers/helpers\"\n\nimport \"./wrapper.scss\"\n\nexport const Wrapper = inject(\"regionStore\")(\n observer(({ regionStore, className, hasFeedbackForm, children }) => {\n const { site } = useStaticQuery(graphql`\n query SiteTitleQuery {\n site {\n siteMetadata {\n title\n }\n }\n }\n `)\n\n const injectPhoneNumberLinks = () => {\n // Use \"#PHONE_NUMBER\" to determine whether or not it is a phone number link.\n const documentLinks = Array.from(\n document.querySelectorAll(\"a\")\n );\n\n documentLinks.forEach((link) => {\n const href = link.getAttribute(\"href\");\n\n if (href && href.indexOf('#PHONE_NUMBER') != -1) {\n link.setAttribute('href', 'tel:08001976026');\n }\n });\n };\n\n useEffect(() => {\n const { pathname } = window.location\n if (pathname === \"/scotland\") {\n regionStore.changeRegion(\"S\")\n setTimeout(() => {\n window.location.pathname = \"/\"\n }, 250)\n } else {\n if(window.location.search) {\n const params = new Proxy(new URLSearchParams(window.location.search), {\n get: (searchParams, prop) => searchParams.get(prop),\n });\n if(params.region == 'england-wales') {\n regionStore.changeRegion(\"EW\")\n }\n if(params.region == 'scotland') {\n regionStore.changeRegion(\"S\")\n }\n }\n }\n }, [])\n\n // To inject phone number links when there's a match with a specific URL hash\n useEffect(() => {\n injectPhoneNumberLinks();\n }, [site.siteMetadata.title]);\n\n return (\n <>\n \n Skip to content\n \n\n \n\n \n {hasFeedbackForm && \n\n \n \n )\n })\n)\n\nWrapper.propTypes = {\n className: PropTypes.string,\n children: PropTypes.node.isRequired,\n hasFeedbackForm: PropTypes.bool,\n}\n\nWrapper.defaultProps = {\n hasFeedbackForm: false,\n}\n","require(\"core-js/modules/es.array.reduce.js\");\n\nexports.__esModule = true;\nexports.warn = exports.requestAnimationFrame = exports.reducePropsToState = exports.mapStateOnServer = exports.handleClientStateChange = exports.convertReactPropstoHtmlAttributes = undefined;\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) {\n return typeof obj;\n} : function (obj) {\n return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n};\n\nvar _extends = Object.assign || function (target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n\n return target;\n};\n\nvar _react = require(\"react\");\n\nvar _react2 = _interopRequireDefault(_react);\n\nvar _objectAssign = require(\"object-assign\");\n\nvar _objectAssign2 = _interopRequireDefault(_objectAssign);\n\nvar _HelmetConstants = require(\"./HelmetConstants.js\");\n\nfunction _interopRequireDefault(obj) {\n return obj && obj.__esModule ? obj : {\n default: obj\n };\n}\n\nvar encodeSpecialCharacters = function encodeSpecialCharacters(str) {\n var encode = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;\n\n if (encode === false) {\n return String(str);\n }\n\n return String(str).replace(/&/g, \"&\").replace(//g, \">\").replace(/\"/g, \""\").replace(/'/g, \"'\");\n};\n\nvar getTitleFromPropsList = function getTitleFromPropsList(propsList) {\n var innermostTitle = getInnermostProperty(propsList, _HelmetConstants.TAG_NAMES.TITLE);\n var innermostTemplate = getInnermostProperty(propsList, _HelmetConstants.HELMET_PROPS.TITLE_TEMPLATE);\n\n if (innermostTemplate && innermostTitle) {\n // use function arg to avoid need to escape $ characters\n return innermostTemplate.replace(/%s/g, function () {\n return innermostTitle;\n });\n }\n\n var innermostDefaultTitle = getInnermostProperty(propsList, _HelmetConstants.HELMET_PROPS.DEFAULT_TITLE);\n return innermostTitle || innermostDefaultTitle || undefined;\n};\n\nvar getOnChangeClientState = function getOnChangeClientState(propsList) {\n return getInnermostProperty(propsList, _HelmetConstants.HELMET_PROPS.ON_CHANGE_CLIENT_STATE) || function () {};\n};\n\nvar getAttributesFromPropsList = function getAttributesFromPropsList(tagType, propsList) {\n return propsList.filter(function (props) {\n return typeof props[tagType] !== \"undefined\";\n }).map(function (props) {\n return props[tagType];\n }).reduce(function (tagAttrs, current) {\n return _extends({}, tagAttrs, current);\n }, {});\n};\n\nvar getBaseTagFromPropsList = function getBaseTagFromPropsList(primaryAttributes, propsList) {\n return propsList.filter(function (props) {\n return typeof props[_HelmetConstants.TAG_NAMES.BASE] !== \"undefined\";\n }).map(function (props) {\n return props[_HelmetConstants.TAG_NAMES.BASE];\n }).reverse().reduce(function (innermostBaseTag, tag) {\n if (!innermostBaseTag.length) {\n var keys = Object.keys(tag);\n\n for (var i = 0; i < keys.length; i++) {\n var attributeKey = keys[i];\n var lowerCaseAttributeKey = attributeKey.toLowerCase();\n\n if (primaryAttributes.indexOf(lowerCaseAttributeKey) !== -1 && tag[lowerCaseAttributeKey]) {\n return innermostBaseTag.concat(tag);\n }\n }\n }\n\n return innermostBaseTag;\n }, []);\n};\n\nvar getTagsFromPropsList = function getTagsFromPropsList(tagName, primaryAttributes, propsList) {\n // Calculate list of tags, giving priority innermost component (end of the propslist)\n var approvedSeenTags = {};\n return propsList.filter(function (props) {\n if (Array.isArray(props[tagName])) {\n return true;\n }\n\n if (typeof props[tagName] !== \"undefined\") {\n warn(\"Helmet: \" + tagName + \" should be of type \\\"Array\\\". Instead found type \\\"\" + _typeof(props[tagName]) + \"\\\"\");\n }\n\n return false;\n }).map(function (props) {\n return props[tagName];\n }).reverse().reduce(function (approvedTags, instanceTags) {\n var instanceSeenTags = {};\n instanceTags.filter(function (tag) {\n var primaryAttributeKey = void 0;\n var keys = Object.keys(tag);\n\n for (var i = 0; i < keys.length; i++) {\n var attributeKey = keys[i];\n var lowerCaseAttributeKey = attributeKey.toLowerCase(); // Special rule with link tags, since rel and href are both primary tags, rel takes priority\n\n if (primaryAttributes.indexOf(lowerCaseAttributeKey) !== -1 && !(primaryAttributeKey === _HelmetConstants.TAG_PROPERTIES.REL && tag[primaryAttributeKey].toLowerCase() === \"canonical\") && !(lowerCaseAttributeKey === _HelmetConstants.TAG_PROPERTIES.REL && tag[lowerCaseAttributeKey].toLowerCase() === \"stylesheet\")) {\n primaryAttributeKey = lowerCaseAttributeKey;\n } // Special case for innerHTML which doesn't work lowercased\n\n\n if (primaryAttributes.indexOf(attributeKey) !== -1 && (attributeKey === _HelmetConstants.TAG_PROPERTIES.INNER_HTML || attributeKey === _HelmetConstants.TAG_PROPERTIES.CSS_TEXT || attributeKey === _HelmetConstants.TAG_PROPERTIES.ITEM_PROP)) {\n primaryAttributeKey = attributeKey;\n }\n }\n\n if (!primaryAttributeKey || !tag[primaryAttributeKey]) {\n return false;\n }\n\n var value = tag[primaryAttributeKey].toLowerCase();\n\n if (!approvedSeenTags[primaryAttributeKey]) {\n approvedSeenTags[primaryAttributeKey] = {};\n }\n\n if (!instanceSeenTags[primaryAttributeKey]) {\n instanceSeenTags[primaryAttributeKey] = {};\n }\n\n if (!approvedSeenTags[primaryAttributeKey][value]) {\n instanceSeenTags[primaryAttributeKey][value] = true;\n return true;\n }\n\n return false;\n }).reverse().forEach(function (tag) {\n return approvedTags.push(tag);\n }); // Update seen tags with tags from this instance\n\n var keys = Object.keys(instanceSeenTags);\n\n for (var i = 0; i < keys.length; i++) {\n var attributeKey = keys[i];\n var tagUnion = (0, _objectAssign2.default)({}, approvedSeenTags[attributeKey], instanceSeenTags[attributeKey]);\n approvedSeenTags[attributeKey] = tagUnion;\n }\n\n return approvedTags;\n }, []).reverse();\n};\n\nvar getInnermostProperty = function getInnermostProperty(propsList, property) {\n for (var i = propsList.length - 1; i >= 0; i--) {\n var props = propsList[i];\n\n if (props.hasOwnProperty(property)) {\n return props[property];\n }\n }\n\n return null;\n};\n\nvar reducePropsToState = function reducePropsToState(propsList) {\n return {\n baseTag: getBaseTagFromPropsList([_HelmetConstants.TAG_PROPERTIES.HREF], propsList),\n bodyAttributes: getAttributesFromPropsList(_HelmetConstants.ATTRIBUTE_NAMES.BODY, propsList),\n defer: getInnermostProperty(propsList, _HelmetConstants.HELMET_PROPS.DEFER),\n encode: getInnermostProperty(propsList, _HelmetConstants.HELMET_PROPS.ENCODE_SPECIAL_CHARACTERS),\n htmlAttributes: getAttributesFromPropsList(_HelmetConstants.ATTRIBUTE_NAMES.HTML, propsList),\n linkTags: getTagsFromPropsList(_HelmetConstants.TAG_NAMES.LINK, [_HelmetConstants.TAG_PROPERTIES.REL, _HelmetConstants.TAG_PROPERTIES.HREF], propsList),\n metaTags: getTagsFromPropsList(_HelmetConstants.TAG_NAMES.META, [_HelmetConstants.TAG_PROPERTIES.NAME, _HelmetConstants.TAG_PROPERTIES.CHARSET, _HelmetConstants.TAG_PROPERTIES.HTTPEQUIV, _HelmetConstants.TAG_PROPERTIES.PROPERTY, _HelmetConstants.TAG_PROPERTIES.ITEM_PROP], propsList),\n noscriptTags: getTagsFromPropsList(_HelmetConstants.TAG_NAMES.NOSCRIPT, [_HelmetConstants.TAG_PROPERTIES.INNER_HTML], propsList),\n onChangeClientState: getOnChangeClientState(propsList),\n scriptTags: getTagsFromPropsList(_HelmetConstants.TAG_NAMES.SCRIPT, [_HelmetConstants.TAG_PROPERTIES.SRC, _HelmetConstants.TAG_PROPERTIES.INNER_HTML], propsList),\n styleTags: getTagsFromPropsList(_HelmetConstants.TAG_NAMES.STYLE, [_HelmetConstants.TAG_PROPERTIES.CSS_TEXT], propsList),\n title: getTitleFromPropsList(propsList),\n titleAttributes: getAttributesFromPropsList(_HelmetConstants.ATTRIBUTE_NAMES.TITLE, propsList)\n };\n};\n\nvar rafPolyfill = function () {\n var clock = Date.now();\n return function (callback) {\n var currentTime = Date.now();\n\n if (currentTime - clock > 16) {\n clock = currentTime;\n callback(currentTime);\n } else {\n setTimeout(function () {\n rafPolyfill(callback);\n }, 0);\n }\n };\n}();\n\nvar cafPolyfill = function cafPolyfill(id) {\n return clearTimeout(id);\n};\n\nvar requestAnimationFrame = typeof window !== \"undefined\" ? window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || rafPolyfill : global.requestAnimationFrame || rafPolyfill;\nvar cancelAnimationFrame = typeof window !== \"undefined\" ? window.cancelAnimationFrame || window.webkitCancelAnimationFrame || window.mozCancelAnimationFrame || cafPolyfill : global.cancelAnimationFrame || cafPolyfill;\n\nvar warn = function warn(msg) {\n return console && typeof console.warn === \"function\" && console.warn(msg);\n};\n\nvar _helmetCallback = null;\n\nvar handleClientStateChange = function handleClientStateChange(newState) {\n if (_helmetCallback) {\n cancelAnimationFrame(_helmetCallback);\n }\n\n if (newState.defer) {\n _helmetCallback = requestAnimationFrame(function () {\n commitTagChanges(newState, function () {\n _helmetCallback = null;\n });\n });\n } else {\n commitTagChanges(newState);\n _helmetCallback = null;\n }\n};\n\nvar commitTagChanges = function commitTagChanges(newState, cb) {\n var baseTag = newState.baseTag,\n bodyAttributes = newState.bodyAttributes,\n htmlAttributes = newState.htmlAttributes,\n linkTags = newState.linkTags,\n metaTags = newState.metaTags,\n noscriptTags = newState.noscriptTags,\n onChangeClientState = newState.onChangeClientState,\n scriptTags = newState.scriptTags,\n styleTags = newState.styleTags,\n title = newState.title,\n titleAttributes = newState.titleAttributes;\n updateAttributes(_HelmetConstants.TAG_NAMES.BODY, bodyAttributes);\n updateAttributes(_HelmetConstants.TAG_NAMES.HTML, htmlAttributes);\n updateTitle(title, titleAttributes);\n var tagUpdates = {\n baseTag: updateTags(_HelmetConstants.TAG_NAMES.BASE, baseTag),\n linkTags: updateTags(_HelmetConstants.TAG_NAMES.LINK, linkTags),\n metaTags: updateTags(_HelmetConstants.TAG_NAMES.META, metaTags),\n noscriptTags: updateTags(_HelmetConstants.TAG_NAMES.NOSCRIPT, noscriptTags),\n scriptTags: updateTags(_HelmetConstants.TAG_NAMES.SCRIPT, scriptTags),\n styleTags: updateTags(_HelmetConstants.TAG_NAMES.STYLE, styleTags)\n };\n var addedTags = {};\n var removedTags = {};\n Object.keys(tagUpdates).forEach(function (tagType) {\n var _tagUpdates$tagType = tagUpdates[tagType],\n newTags = _tagUpdates$tagType.newTags,\n oldTags = _tagUpdates$tagType.oldTags;\n\n if (newTags.length) {\n addedTags[tagType] = newTags;\n }\n\n if (oldTags.length) {\n removedTags[tagType] = tagUpdates[tagType].oldTags;\n }\n });\n cb && cb();\n onChangeClientState(newState, addedTags, removedTags);\n};\n\nvar flattenArray = function flattenArray(possibleArray) {\n return Array.isArray(possibleArray) ? possibleArray.join(\"\") : possibleArray;\n};\n\nvar updateTitle = function updateTitle(title, attributes) {\n if (typeof title !== \"undefined\" && document.title !== title) {\n document.title = flattenArray(title);\n }\n\n updateAttributes(_HelmetConstants.TAG_NAMES.TITLE, attributes);\n};\n\nvar updateAttributes = function updateAttributes(tagName, attributes) {\n var elementTag = document.getElementsByTagName(tagName)[0];\n\n if (!elementTag) {\n return;\n }\n\n var helmetAttributeString = elementTag.getAttribute(_HelmetConstants.HELMET_ATTRIBUTE);\n var helmetAttributes = helmetAttributeString ? helmetAttributeString.split(\",\") : [];\n var attributesToRemove = [].concat(helmetAttributes);\n var attributeKeys = Object.keys(attributes);\n\n for (var i = 0; i < attributeKeys.length; i++) {\n var attribute = attributeKeys[i];\n var value = attributes[attribute] || \"\";\n\n if (elementTag.getAttribute(attribute) !== value) {\n elementTag.setAttribute(attribute, value);\n }\n\n if (helmetAttributes.indexOf(attribute) === -1) {\n helmetAttributes.push(attribute);\n }\n\n var indexToSave = attributesToRemove.indexOf(attribute);\n\n if (indexToSave !== -1) {\n attributesToRemove.splice(indexToSave, 1);\n }\n }\n\n for (var _i = attributesToRemove.length - 1; _i >= 0; _i--) {\n elementTag.removeAttribute(attributesToRemove[_i]);\n }\n\n if (helmetAttributes.length === attributesToRemove.length) {\n elementTag.removeAttribute(_HelmetConstants.HELMET_ATTRIBUTE);\n } else if (elementTag.getAttribute(_HelmetConstants.HELMET_ATTRIBUTE) !== attributeKeys.join(\",\")) {\n elementTag.setAttribute(_HelmetConstants.HELMET_ATTRIBUTE, attributeKeys.join(\",\"));\n }\n};\n\nvar updateTags = function updateTags(type, tags) {\n var headElement = document.head || document.querySelector(_HelmetConstants.TAG_NAMES.HEAD);\n var tagNodes = headElement.querySelectorAll(type + \"[\" + _HelmetConstants.HELMET_ATTRIBUTE + \"]\");\n var oldTags = Array.prototype.slice.call(tagNodes);\n var newTags = [];\n var indexToDelete = void 0;\n\n if (tags && tags.length) {\n tags.forEach(function (tag) {\n var newElement = document.createElement(type);\n\n for (var attribute in tag) {\n if (tag.hasOwnProperty(attribute)) {\n if (attribute === _HelmetConstants.TAG_PROPERTIES.INNER_HTML) {\n newElement.innerHTML = tag.innerHTML;\n } else if (attribute === _HelmetConstants.TAG_PROPERTIES.CSS_TEXT) {\n if (newElement.styleSheet) {\n newElement.styleSheet.cssText = tag.cssText;\n } else {\n newElement.appendChild(document.createTextNode(tag.cssText));\n }\n } else {\n var value = typeof tag[attribute] === \"undefined\" ? \"\" : tag[attribute];\n newElement.setAttribute(attribute, value);\n }\n }\n }\n\n newElement.setAttribute(_HelmetConstants.HELMET_ATTRIBUTE, \"true\"); // Remove a duplicate tag from domTagstoRemove, so it isn't cleared.\n\n if (oldTags.some(function (existingTag, index) {\n indexToDelete = index;\n return newElement.isEqualNode(existingTag);\n })) {\n oldTags.splice(indexToDelete, 1);\n } else {\n newTags.push(newElement);\n }\n });\n }\n\n oldTags.forEach(function (tag) {\n return tag.parentNode.removeChild(tag);\n });\n newTags.forEach(function (tag) {\n return headElement.appendChild(tag);\n });\n return {\n oldTags: oldTags,\n newTags: newTags\n };\n};\n\nvar generateElementAttributesAsString = function generateElementAttributesAsString(attributes) {\n return Object.keys(attributes).reduce(function (str, key) {\n var attr = typeof attributes[key] !== \"undefined\" ? key + \"=\\\"\" + attributes[key] + \"\\\"\" : \"\" + key;\n return str ? str + \" \" + attr : attr;\n }, \"\");\n};\n\nvar generateTitleAsString = function generateTitleAsString(type, title, attributes, encode) {\n var attributeString = generateElementAttributesAsString(attributes);\n var flattenedTitle = flattenArray(title);\n return attributeString ? \"<\" + type + \" \" + _HelmetConstants.HELMET_ATTRIBUTE + \"=\\\"true\\\" \" + attributeString + \">\" + encodeSpecialCharacters(flattenedTitle, encode) + \"\" : \"<\" + type + \" \" + _HelmetConstants.HELMET_ATTRIBUTE + \"=\\\"true\\\">\" + encodeSpecialCharacters(flattenedTitle, encode) + \"\";\n};\n\nvar generateTagsAsString = function generateTagsAsString(type, tags, encode) {\n return tags.reduce(function (str, tag) {\n var attributeHtml = Object.keys(tag).filter(function (attribute) {\n return !(attribute === _HelmetConstants.TAG_PROPERTIES.INNER_HTML || attribute === _HelmetConstants.TAG_PROPERTIES.CSS_TEXT);\n }).reduce(function (string, attribute) {\n var attr = typeof tag[attribute] === \"undefined\" ? attribute : attribute + \"=\\\"\" + encodeSpecialCharacters(tag[attribute], encode) + \"\\\"\";\n return string ? string + \" \" + attr : attr;\n }, \"\");\n var tagContent = tag.innerHTML || tag.cssText || \"\";\n var isSelfClosing = _HelmetConstants.SELF_CLOSING_TAGS.indexOf(type) === -1;\n return str + \"<\" + type + \" \" + _HelmetConstants.HELMET_ATTRIBUTE + \"=\\\"true\\\" \" + attributeHtml + (isSelfClosing ? \"/>\" : \">\" + tagContent + \"\");\n }, \"\");\n};\n\nvar convertElementAttributestoReactProps = function convertElementAttributestoReactProps(attributes) {\n var initProps = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n return Object.keys(attributes).reduce(function (obj, key) {\n obj[_HelmetConstants.REACT_TAG_MAP[key] || key] = attributes[key];\n return obj;\n }, initProps);\n};\n\nvar convertReactPropstoHtmlAttributes = function convertReactPropstoHtmlAttributes(props) {\n var initAttributes = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n return Object.keys(props).reduce(function (obj, key) {\n obj[_HelmetConstants.HTML_TAG_MAP[key] || key] = props[key];\n return obj;\n }, initAttributes);\n};\n\nvar generateTitleAsReactComponent = function generateTitleAsReactComponent(type, title, attributes) {\n var _initProps; // assigning into an array to define toString function on it\n\n\n var initProps = (_initProps = {\n key: title\n }, _initProps[_HelmetConstants.HELMET_ATTRIBUTE] = true, _initProps);\n var props = convertElementAttributestoReactProps(attributes, initProps);\n return [_react2.default.createElement(_HelmetConstants.TAG_NAMES.TITLE, props, title)];\n};\n\nvar generateTagsAsReactComponent = function generateTagsAsReactComponent(type, tags) {\n return tags.map(function (tag, i) {\n var _mappedTag;\n\n var mappedTag = (_mappedTag = {\n key: i\n }, _mappedTag[_HelmetConstants.HELMET_ATTRIBUTE] = true, _mappedTag);\n Object.keys(tag).forEach(function (attribute) {\n var mappedAttribute = _HelmetConstants.REACT_TAG_MAP[attribute] || attribute;\n\n if (mappedAttribute === _HelmetConstants.TAG_PROPERTIES.INNER_HTML || mappedAttribute === _HelmetConstants.TAG_PROPERTIES.CSS_TEXT) {\n var content = tag.innerHTML || tag.cssText;\n mappedTag.dangerouslySetInnerHTML = {\n __html: content\n };\n } else {\n mappedTag[mappedAttribute] = tag[attribute];\n }\n });\n return _react2.default.createElement(type, mappedTag);\n });\n};\n\nvar getMethodsForTag = function getMethodsForTag(type, tags, encode) {\n switch (type) {\n case _HelmetConstants.TAG_NAMES.TITLE:\n return {\n toComponent: function toComponent() {\n return generateTitleAsReactComponent(type, tags.title, tags.titleAttributes, encode);\n },\n toString: function toString() {\n return generateTitleAsString(type, tags.title, tags.titleAttributes, encode);\n }\n };\n\n case _HelmetConstants.ATTRIBUTE_NAMES.BODY:\n case _HelmetConstants.ATTRIBUTE_NAMES.HTML:\n return {\n toComponent: function toComponent() {\n return convertElementAttributestoReactProps(tags);\n },\n toString: function toString() {\n return generateElementAttributesAsString(tags);\n }\n };\n\n default:\n return {\n toComponent: function toComponent() {\n return generateTagsAsReactComponent(type, tags);\n },\n toString: function toString() {\n return generateTagsAsString(type, tags, encode);\n }\n };\n }\n};\n\nvar mapStateOnServer = function mapStateOnServer(_ref) {\n var baseTag = _ref.baseTag,\n bodyAttributes = _ref.bodyAttributes,\n encode = _ref.encode,\n htmlAttributes = _ref.htmlAttributes,\n linkTags = _ref.linkTags,\n metaTags = _ref.metaTags,\n noscriptTags = _ref.noscriptTags,\n scriptTags = _ref.scriptTags,\n styleTags = _ref.styleTags,\n _ref$title = _ref.title,\n title = _ref$title === undefined ? \"\" : _ref$title,\n titleAttributes = _ref.titleAttributes;\n return {\n base: getMethodsForTag(_HelmetConstants.TAG_NAMES.BASE, baseTag, encode),\n bodyAttributes: getMethodsForTag(_HelmetConstants.ATTRIBUTE_NAMES.BODY, bodyAttributes, encode),\n htmlAttributes: getMethodsForTag(_HelmetConstants.ATTRIBUTE_NAMES.HTML, htmlAttributes, encode),\n link: getMethodsForTag(_HelmetConstants.TAG_NAMES.LINK, linkTags, encode),\n meta: getMethodsForTag(_HelmetConstants.TAG_NAMES.META, metaTags, encode),\n noscript: getMethodsForTag(_HelmetConstants.TAG_NAMES.NOSCRIPT, noscriptTags, encode),\n script: getMethodsForTag(_HelmetConstants.TAG_NAMES.SCRIPT, scriptTags, encode),\n style: getMethodsForTag(_HelmetConstants.TAG_NAMES.STYLE, styleTags, encode),\n title: getMethodsForTag(_HelmetConstants.TAG_NAMES.TITLE, {\n title: title,\n titleAttributes: titleAttributes\n }, encode)\n };\n};\n\nexports.convertReactPropstoHtmlAttributes = convertReactPropstoHtmlAttributes;\nexports.handleClientStateChange = handleClientStateChange;\nexports.mapStateOnServer = mapStateOnServer;\nexports.reducePropsToState = reducePropsToState;\nexports.requestAnimationFrame = requestAnimationFrame;\nexports.warn = warn;"],"sourceRoot":""}